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diff --git a/util/wolfdawn-master/Cargo.toml b/util/wolfdawn-master/Cargo.toml
new file mode 100644
index 0000000..2de7afb
--- /dev/null
+++ b/util/wolfdawn-master/Cargo.toml
@@ -0,0 +1,17 @@
+[workspace]
+resolver = "2"
+members = ["crates/*"]
+
+[workspace.package]
+edition = "2021"
+version = "0.1.0"
+license = "MIT"
+repository = "https://gitgud.io/zero64801/wolfdawn"
+
+# Hand-rolled LZ4/AES/Huffman are intentionally dependency-free; keep it that way
+# in the lower layers. Encoding (SJIS<->UTF-8) deps belong only in the decompiler layer.
+
+[profile.release]
+opt-level = 3
+lto = "thin"
+codegen-units = 1
diff --git a/util/wolfdawn-master/README.md b/util/wolfdawn-master/README.md
new file mode 100644
index 0000000..2f5b2c9
--- /dev/null
+++ b/util/wolfdawn-master/README.md
@@ -0,0 +1,145 @@
+# WolfDawn
+
+WolfDawn turns Wolf RPG Editor game files into a readable, editable form and back. It unpacks the
+`Data.wolf` archive, decompiles event code into readable WolfScript, pulls out translatable text and
+puts it back, edits databases and save files, and packs everything into a runnable game again.
+
+It comes as a command line tool (`wolf`) and a desktop app (WolfDawn Studio). The GUI is built for
+people who do not use a terminal. Every option is a checkbox or a dropdown and every file is picked
+with a normal file dialog.
+
+## What it does
+
+- Unpack and repack `Data.wolf`. Supports the current DXArchive v8 container, the older VER5 and VER6
+  format used by Wolf 2.x, and WolfPro and ChaCha20 encryption.
+- Decompile maps and common events into editable WolfScript, then compile them back. Untouched code
+  stays byte for byte the same.
+- Extract every player-facing string for translation and inject the finished translation back.
+- A project glossary keeps database names (items, skills, enemies) consistent across every file that
+  looks them up, so a renamed monster does not break by-name lookups.
+- Carry an existing translation into a fresh extraction when a game updates. You only translate the
+  lines that are actually new.
+- Edit databases in a spreadsheet grid, edit `Game.dat` (title, fonts, messages, image paths), and
+  edit save files.
+- Fix saves so a Japanese or old save loads in a translated build. This rewrites the baked game title
+  and refreshes the baked strings. It handles standard saves and the GamePro Pro save format.
+- Verify that a file decodes and re-encodes without loss before you ship it.
+
+## WolfDawn Studio (GUI)
+
+Launch it with `wolf gui`, or run the `wolf-gui` binary directly. Open a game folder or a `Data.wolf`
+and WolfDawn Studio reads the title, version, encoding, and font, then fills the relevant file lists
+for each section. New files (for example after you unpack) show up on their own.
+
+Sections:
+
+- **Project** opens a game and shows its details.
+- **Archive** unpacks `Data.wolf` to a folder and repacks a folder back, with encryption and format
+  options.
+- **Decompile** turns a map or common event into WolfScript, lets you edit it (with Ctrl+F search),
+  and compiles it back.
+- **Database** edits a database in a grid of rows and fields.
+- **Game.dat** edits the title, fonts, messages, and image paths in a simple form.
+- **Translation** extracts the whole `Data` folder into a source and translation grid plus a name
+  glossary, then injects it. The English punctuation cleanup and the code-safety guard are checkboxes.
+- **Saves** opens a `.sav`, shows the format and baked strings, lets you edit the title and strings,
+  and re-encrypts. It can also batch-fix a whole `Save` folder.
+- **Verify** round-trips a file or a whole data folder and reports pass or fail.
+- **Settings** holds the theme and the default options. They persist between runs.
+
+## Command line
+
+```
+wolf unpack <Data.wolf> -o <dir>
+wolf pack   <dir> -o <out.wolf> [--encrypt --version 0x14b | --like <orig> | --format ver5|ver6]
+
+wolf decompile <map.mps|CommonEvent.dat> [--mode edit] [-o out.wscript]
+wolf compile   <doc.wscript> --base <orig> -o <out>
+
+wolf db-json      <X.project|data-dir> [-o out]
+wolf db-apply     <edited.json> --base <X.project> -o <out.project>
+wolf gamedat-json  <Game.dat> [-o out.json]
+wolf gamedat-apply <edited.json> --base <Game.dat> -o <out>
+
+wolf strings-extract <CommonEvent.dat|map.mps|X.project|Game.dat> -o <out.json>
+wolf strings-inject  <edited.json> --base <orig> -o <out> [--allow-code-drift] [--en-punct]
+wolf names-extract   <data-dir> -o <names.json>
+wolf names-inject    <names.json> --data <data-dir> [-o <out-dir>] [--allow-code-drift] [--en-punct]
+wolf names-check     <file.json>...
+wolf translations-merge --old <path>... --new <dir> -o <out-dir>
+
+wolf save-update <save.sav|dir> [-o <out>] [--title <text> | --game <Game.dat>] [--translations <path>...]
+
+wolf verify-roundtrip <file>
+wolf verify-roundtrip --corpus <data-dir>
+
+wolf gui
+```
+
+Exit codes: `0` ok, `2` round-trip or usage failure, `3` merge conflict, `4` crypto failure.
+
+## A typical translation run
+
+1. `wolf unpack Data.wolf -o Data` to get an editable folder.
+2. `wolf strings-extract` per file and `wolf names-extract Data -o names.json` to pull the text. In the
+   GUI the Translation section does the whole folder at once.
+3. Translate the text. Pass `--en-punct` to convert Japanese punctuation to ASCII for English.
+4. `wolf strings-inject` and `wolf names-inject` to write it back.
+5. Rename `Data.wolf` and keep the edited `Data` folder next to `Game.exe`, or `wolf pack Data -o
+   Data.wolf` to rebuild the archive.
+6. `wolf save-update` so existing saves still load in the translated build.
+
+## Build
+
+```
+cargo build --release
+```
+
+This produces `target/release/wolf` (the CLI) and `target/release/wolf-gui` (the desktop app). The
+build is plain Rust with a small set of dependencies. The crypto, codecs, and binary format readers
+are all hand written.
+
+## Running the tests
+
+```
+cargo test
+```
+
+That runs the unit tests, which need nothing extra. A handful of integration tests want real Wolf
+game data (an unpacked `Data` folder, a couple of saves, a GamePro Pro save and its ground-truth
+decrypt). That data is copyrighted and not bundled, so those tests skip themselves unless you point
+them at a fixtures folder.
+
+Set `WOLFDAWN_TEST_DATA` to a folder laid out like this and the data-dependent tests run too:
+
+```
+<root>/chamber/Data/...               an unpacked game Data folder (BasicData, MapData)
+<root>/chamber/Data/BasicData/Game.dat
+<root>/chamber/Data/BasicData/CommonEvent.dat
+<root>/chamber/Data/BasicData/DataBase.project (+ DataBase.dat)
+<root>/chamber/Data/MapData/TitleMap.mps
+<root>/chamber/Data.wolf               the packed archive (the unpack test)
+<root>/chamber/SaveData01.sav          a standard save
+<root>/pachimon/SaveData01.sav         a GamePro Pro save
+<root>/pachimon/decrypted.bin          the ground-truth decrypt of that save
+```
+
+Any file that is missing just skips the test that needs it, so a partial fixtures folder is fine.
+With the variable unset every one of these tests skips and the suite still passes.
+
+## Project layout
+
+- `wolf-core` holds the low level reader and writer, the LZ4 block codec, and CRC32.
+- `wolf-archive` is the `Data.wolf` container and its encryption.
+- `wolf-formats` reads and writes the binary maps, common events, databases, and `Game.dat`.
+- `wolf-decompiler` is the WolfScript decompiler and compiler, the translation pipeline, the database
+  and `Game.dat` editors, and the save codecs.
+- `wolf-cli` is the `wolf` binary.
+- `wolf-gui` is WolfDawn Studio.
+
+## Notes
+
+The decompiler aims for a faithful round trip. Where a region of a file is not fully understood it is
+preserved as raw bytes, so a recompiled file always loads. Saves and `Game.dat` round-trip byte for
+byte when you do not change a field. The GamePro Pro save format is supported for marker-3 saves. A
+few other GamePro save markers are detected and skipped rather than corrupted.
diff --git a/util/wolfdawn-master/crates/wolf-archive/Cargo.toml b/util/wolfdawn-master/crates/wolf-archive/Cargo.toml
new file mode 100644
index 0000000..eb24eb6
--- /dev/null
+++ b/util/wolfdawn-master/crates/wolf-archive/Cargo.toml
@@ -0,0 +1,21 @@
+[package]
+name = "wolf-archive"
+edition.workspace = true
+version.workspace = true
+license.workspace = true
+
+# Folded in from the standalone `wolf_unpack` crate: the DXArchive container + WolfPro
+# crypto layer (DXArchive v8, WolfPro 768-byte stream cipher + AES-128-CTR, DXLib Huffman
+# + LZSS, CRC32 key derivation). The crypto/codecs are hand-rolled (no crates); the only
+# dependency is `encoding_rs`, used solely to decode Shift-JIS archive *filenames*.
+
+[dependencies]
+encoding_rs = "0.8"
+
+[lib]
+name = "wolf_archive"
+path = "src/lib.rs"
+
+[[bin]]
+name = "wolf-unpack"
+path = "src/bin/wolf-unpack.rs"
diff --git a/util/wolfdawn-master/crates/wolf-archive/src/bin/wolf-unpack.rs b/util/wolfdawn-master/crates/wolf-archive/src/bin/wolf-unpack.rs
new file mode 100644
index 0000000..2e2c8b7
--- /dev/null
+++ b/util/wolfdawn-master/crates/wolf-archive/src/bin/wolf-unpack.rs
@@ -0,0 +1,6 @@
+//! `wolf-unpack` CLI: thin wrapper over `wolf_archive::run`.
+
+fn main() -> std::io::Result<()> {
+    let args: Vec<String> = std::env::args().collect();
+    wolf_archive::run(&args)
+}
diff --git a/util/wolfdawn-master/crates/wolf-archive/src/chacha20.rs b/util/wolfdawn-master/crates/wolf-archive/src/chacha20.rs
new file mode 100644
index 0000000..8fd0916
--- /dev/null
+++ b/util/wolfdawn-master/crates/wolf-archive/src/chacha20.rs
@@ -0,0 +1,153 @@
+//! ChaCha20 stream cipher for Wolf "ChaCha2" archives (cryptVersion `0x64` / `0xC8`).
+//!
+//! Standard RFC 8439 ChaCha20 with the block counter initialised to 1 and a position-addressed
+//! keystream, so any byte offset can be decrypted independently. Also has the Wolf-specific
+//! [`key_setup`] used by cv `0xC8`. The core is verified against the RFC 8439 §2.3.2 test
+//! vector.
+
+fn pack4(a: &[u8]) -> u32 {
+    u32::from_le_bytes([a[0], a[1], a[2], a[3]])
+}
+
+fn rotl32(x: u32, n: u32) -> u32 {
+    x.rotate_left(n)
+}
+
+fn init_block(key: &[u8; 32], nonce: &[u8; 12]) -> [u32; 16] {
+    let magic = b"expand 32-byte k";
+    let mut s = [0u32; 16];
+    for i in 0..4 {
+        s[i] = pack4(&magic[i * 4..]);
+    }
+    for i in 0..8 {
+        s[4 + i] = pack4(&key[i * 4..]);
+    }
+    s[12] = 1; // counter starts at 1 (Wolf/RFC test-vector convention)
+    for i in 0..3 {
+        s[13 + i] = pack4(&nonce[i * 4..]);
+    }
+    s
+}
+
+macro_rules! qr {
+    ($x:expr, $a:expr, $b:expr, $c:expr, $d:expr) => {
+        $x[$a] = $x[$a].wrapping_add($x[$b]);
+        $x[$d] = rotl32($x[$d] ^ $x[$a], 16);
+        $x[$c] = $x[$c].wrapping_add($x[$d]);
+        $x[$b] = rotl32($x[$b] ^ $x[$c], 12);
+        $x[$a] = $x[$a].wrapping_add($x[$b]);
+        $x[$d] = rotl32($x[$d] ^ $x[$a], 8);
+        $x[$c] = $x[$c].wrapping_add($x[$d]);
+        $x[$b] = rotl32($x[$b] ^ $x[$c], 7);
+    };
+}
+
+fn block_next(state: &mut [u32; 16], ks: &mut [u32; 16]) {
+    ks.copy_from_slice(state);
+    for _ in 0..10 {
+        qr!(ks, 0, 4, 8, 12);
+        qr!(ks, 1, 5, 9, 13);
+        qr!(ks, 2, 6, 10, 14);
+        qr!(ks, 3, 7, 11, 15);
+        qr!(ks, 0, 5, 10, 15);
+        qr!(ks, 1, 6, 11, 12);
+        qr!(ks, 2, 7, 8, 13);
+        qr!(ks, 3, 4, 9, 14);
+    }
+    for i in 0..16 {
+        ks[i] = ks[i].wrapping_add(state[i]);
+    }
+    state[12] = state[12].wrapping_add(1);
+    if state[12] == 0 {
+        state[13] = state[13].wrapping_add(1);
+    }
+}
+
+#[inline]
+fn ks_byte(ks: &[u32; 16], idx: usize) -> u8 {
+    (ks[idx / 4] >> (8 * (idx % 4))) as u8
+}
+
+/// XOR the ChaCha20 keystream into `bytes`, addressing the stream at absolute byte
+/// `position` (mirrors `DXArchive::KeyConv`'s ChaCha20 branch).
+pub fn crypt(bytes: &mut [u8], key: &[u8; 32], nonce: &[u8; 12], position: u32) {
+    let mut state = init_block(key, nonce);
+    let mut ks = [0u32; 16];
+    let mut pos = 0usize;
+    let mut offset = (position % 64) as usize;
+    state[12] = state[12].wrapping_add(position / 64);
+    while pos < bytes.len() {
+        let steps = core::cmp::min(64 - offset, bytes.len() - pos);
+        block_next(&mut state, &mut ks);
+        for i in 0..steps {
+            bytes[pos + i] ^= ks_byte(&ks, offset + i);
+        }
+        pos += steps;
+        offset = 0;
+    }
+}
+
+/// Wolf cv-`0xC8` key derivation: expand 4 header bytes into a 64-byte key buffer
+/// (`key[0..32]` = ChaCha key, `key[34..46]` = nonce).
+pub fn key_setup(data: [u8; 4]) -> [u8; 64] {
+    const MOD1: [u8; 4] = [0x3F, 0xA7, 0xD2, 0x1C];
+    const MOD2: [u8; 4] = [0xB4, 0xE1, 0x9D, 0x58];
+    const MOD3: [u8; 4] = [0x6A, 0x2B, 0x4C, 0x8E];
+    let mut key = [0u8; 64];
+    for i in 0..63usize {
+        let index = i % 4;
+        let mut temp = (data[index].wrapping_add(MOD2[index]))
+            ^ (MOD1[index]
+                .wrapping_add(i as u8)
+                .wrapping_add(16u8.wrapping_mul(i as u8)));
+        temp = if i % 2 == 0 {
+            (temp >> 5) | (temp << 3)
+        } else {
+            (temp >> 2) | (temp << 6)
+        };
+        key[i] = !(temp ^ data[index] ^ MOD3[index]);
+    }
+    key
+}
+
+#[cfg(test)]
+mod tests {
+    use super::*;
+
+    #[test]
+    fn rfc8439_keystream_block() {
+        // RFC 8439 §2.3.2: key 00..1f, nonce 00 00 00 09 00 00 00 4a 00 00 00 00, counter 1.
+        let mut key = [0u8; 32];
+        for i in 0..32 {
+            key[i] = i as u8;
+        }
+        let nonce: [u8; 12] = [0, 0, 0, 9, 0, 0, 0, 0x4a, 0, 0, 0, 0];
+        let mut buf = [0u8; 64]; // XOR into zeros -> keystream
+        crypt(&mut buf, &key, &nonce, 0);
+        let expected: [u8; 64] = [
+            0x10, 0xf1, 0xe7, 0xe4, 0xd1, 0x3b, 0x59, 0x15, 0x50, 0x0f, 0xdd, 0x1f, 0xa3, 0x20,
+            0x71, 0xc4, 0xc7, 0xd1, 0xf4, 0xc7, 0x33, 0xc0, 0x68, 0x03, 0x04, 0x22, 0xaa, 0x9a,
+            0xc3, 0xd4, 0x6c, 0x4e, 0xd2, 0x82, 0x64, 0x46, 0x07, 0x9f, 0xaa, 0x09, 0x14, 0xc2,
+            0xd7, 0x05, 0xd9, 0x8b, 0x02, 0xa2, 0xb5, 0x12, 0x9c, 0xd1, 0xde, 0x16, 0x4e, 0xb9,
+            0xcb, 0xd0, 0x83, 0xe8, 0xa2, 0x50, 0x3c, 0x4e,
+        ];
+        assert_eq!(
+            buf, expected,
+            "ChaCha20 keystream must match RFC 8439 §2.3.2"
+        );
+    }
+
+    #[test]
+    fn position_addressing_matches_contiguous() {
+        // Decrypting in two position-addressed chunks == one contiguous pass.
+        let key = [7u8; 32];
+        let nonce = [3u8; 12];
+        let mut whole: Vec<u8> = (0..200).map(|i| (i * 13) as u8).collect();
+        let mut split = whole.clone();
+        crypt(&mut whole, &key, &nonce, 0);
+        let (a, b) = split.split_at_mut(80);
+        crypt(a, &key, &nonce, 0);
+        crypt(b, &key, &nonce, 80);
+        assert_eq!(whole, split);
+    }
+}
diff --git a/util/wolfdawn-master/crates/wolf-archive/src/codec.rs b/util/wolfdawn-master/crates/wolf-archive/src/codec.rs
new file mode 100644
index 0000000..bd14b7a
--- /dev/null
+++ b/util/wolfdawn-master/crates/wolf-archive/src/codec.rs
@@ -0,0 +1,361 @@
+//! DXLib codecs: the Huffman decoder and the LZSS ("DXA") decompressor.
+
+use crate::*;
+use std::io;
+
+#[derive(Clone, Copy)]
+pub(crate) struct HuffNode {
+    weight: u32,
+    child: [i32; 2],
+    parent: i32,
+    index: u8,
+    bit_num: u8,
+    bit_array: [u8; 32],
+}
+
+/// MSB-first bit reader over the Huffman header bitstream.
+pub(crate) struct BitReader<'a> {
+    data: &'a [u8],
+    byte: usize,
+    bit: u8,
+}
+
+impl<'a> BitReader<'a> {
+    fn new(data: &'a [u8]) -> Self {
+        Self {
+            data,
+            byte: 0,
+            bit: 0,
+        }
+    }
+
+    fn read(&mut self, bits: u8) -> io::Result<u64> {
+        let mut out = 0u64;
+        for i in 0..bits {
+            let b = *self
+                .data
+                .get(self.byte)
+                .ok_or_else(|| invalid("huffman bitstream ended early"))?;
+            out |= (((b >> (7 - self.bit)) & 1) as u64) << (bits - 1 - i);
+            self.bit += 1;
+            if self.bit == 8 {
+                self.byte += 1;
+                self.bit = 0;
+            }
+        }
+        Ok(out)
+    }
+
+    fn bytes(&self) -> usize {
+        self.byte + usize::from(self.bit != 0)
+    }
+}
+
+pub(crate) fn huffman_decode(src: &[u8]) -> io::Result<Vec<u8>> {
+    let mut br = BitReader::new(src);
+    let original_bits = br.read(6)? as u8 + 1;
+    let original_size = br.read(original_bits)? as usize;
+    if original_size > MAX_DECODE_SIZE {
+        return Err(invalid(format!(
+            "huffman output is implausibly large: {original_size}"
+        )));
+    }
+    let press_bits = br.read(6)? as u8 + 1;
+    let _press_size = br.read(press_bits)?;
+
+    let mut weight = [0u16; 256];
+    let mut bit_num = (br.read(3)? as u8 + 1) * 2;
+    let _ = br.read(1)?;
+    let mut save = br.read(bit_num)? as u16;
+    weight[0] = save;
+    for i in 1..256 {
+        bit_num = (br.read(3)? as u8 + 1) * 2;
+        let minus = br.read(1)?;
+        save = br.read(bit_num)? as u16;
+        weight[i] = if minus == 1 {
+            weight[i - 1].wrapping_sub(save)
+        } else {
+            weight[i - 1].wrapping_add(save)
+        };
+    }
+
+    let head_size = br.bytes();
+    if head_size >= src.len() {
+        return Err(invalid("huffman body missing"));
+    }
+
+    let mut nodes = vec![
+        HuffNode {
+            weight: 0,
+            child: [-1, -1],
+            parent: -1,
+            index: 0,
+            bit_num: 0,
+            bit_array: [0; 32],
+        };
+        511
+    ];
+    for i in 0..511 {
+        nodes[i].weight = if i < 256 { weight[i] as u32 } else { 0 };
+    }
+
+    let mut data_num = 256usize;
+    let mut node_num = 256usize;
+    while data_num > 1 {
+        let mut min1: i32 = -1;
+        let mut min2: i32 = -1;
+        let mut valid = 0usize;
+        let mut node_index = 0usize;
+        while valid < data_num {
+            if nodes[node_index].parent != -1 {
+                node_index += 1;
+                continue;
+            }
+            valid += 1;
+            if min1 == -1 || nodes[min1 as usize].weight > nodes[node_index].weight {
+                min2 = min1;
+                min1 = node_index as i32;
+            } else if min2 == -1 || nodes[min2 as usize].weight > nodes[node_index].weight {
+                min2 = node_index as i32;
+            }
+            node_index += 1;
+        }
+
+        let a = min1 as usize;
+        let b = min2 as usize;
+        nodes[node_num].weight = nodes[a].weight + nodes[b].weight;
+        nodes[node_num].child = [min1, min2];
+        nodes[a].index = 0;
+        nodes[b].index = 1;
+        nodes[a].parent = node_num as i32;
+        nodes[b].parent = node_num as i32;
+        node_num += 1;
+        data_num -= 1;
+    }
+
+    for i in 0..510 {
+        let mut temp = [0u8; 32];
+        let mut temp_index = 0usize;
+        let mut temp_count = 0u8;
+        let mut n = i;
+        while nodes[n].parent != -1 {
+            if temp_count == 8 {
+                temp_count = 0;
+                temp_index += 1;
+            }
+            temp[temp_index] <<= 1;
+            temp[temp_index] |= nodes[n].index;
+            temp_count += 1;
+            nodes[i].bit_num += 1;
+            n = nodes[n].parent as usize;
+        }
+
+        let mut bit_count = 0u8;
+        let mut bit_index = 0usize;
+        while temp_index < temp.len() {
+            if bit_count == 8 {
+                bit_count = 0;
+                bit_index += 1;
+            }
+            nodes[i].bit_array[bit_index] |= (temp[temp_index] & 1) << bit_count;
+            temp[temp_index] >>= 1;
+            temp_count = temp_count.wrapping_sub(1);
+            if temp_count == 0 {
+                if temp_index == 0 {
+                    break;
+                }
+                temp_index -= 1;
+                temp_count = 8;
+            }
+            bit_count += 1;
+        }
+    }
+
+    let mut bitmask = [0u16; 9];
+    for i in 0..9 {
+        bitmask[i] = (1u16 << (i + 1)) - 1;
+    }
+    let mut node_index_table = [-1i32; 512];
+    for i in 0..512usize {
+        for j in 0..510usize {
+            let bn = nodes[j].bit_num;
+            if bn == 0 || bn > 9 {
+                continue;
+            }
+            let bit_array_01 = nodes[j].bit_array[0] as u16 | ((nodes[j].bit_array[1] as u16) << 8);
+            if (i as u16 & bitmask[bn as usize - 1]) == (bit_array_01 & bitmask[bn as usize - 1]) {
+                node_index_table[i] = j as i32;
+                break;
+            }
+        }
+    }
+
+    let press = &src[head_size..];
+    let mut out = vec![0u8; original_size];
+    let mut press_counter = 0usize;
+    let mut press_bit_counter = 0u8;
+    let mut press_bit_data = *press.first().ok_or_else(|| invalid("empty huffman body"))? as u16;
+
+    for dest_counter in 0..original_size {
+        let mut node_index: i32;
+        if dest_counter >= original_size.saturating_sub(17) {
+            node_index = 510;
+        } else {
+            if press_bit_counter == 8 {
+                press_counter += 1;
+                press_bit_data = *press
+                    .get(press_counter)
+                    .ok_or_else(|| invalid("huffman body ended early"))?
+                    as u16;
+                press_bit_counter = 0;
+            }
+            let next = *press.get(press_counter + 1).unwrap_or(&0) as u16;
+            press_bit_data = (press_bit_data | (next << (8 - press_bit_counter))) & 0x1ff;
+            node_index = node_index_table[press_bit_data as usize];
+            if node_index < 0 {
+                return Err(invalid("bad huffman lookup"));
+            }
+            press_bit_counter += nodes[node_index as usize].bit_num;
+            if press_bit_counter >= 16 {
+                press_counter += 2;
+                press_bit_counter -= 16;
+                press_bit_data =
+                    (*press.get(press_counter).unwrap_or(&0) as u16) >> press_bit_counter;
+            } else if press_bit_counter >= 8 {
+                press_counter += 1;
+                press_bit_counter -= 8;
+                press_bit_data =
+                    (*press.get(press_counter).unwrap_or(&0) as u16) >> press_bit_counter;
+            } else {
+                press_bit_data >>= nodes[node_index as usize].bit_num;
+            }
+        }
+
+        while node_index > 255 {
+            if press_bit_counter == 8 {
+                press_counter += 1;
+                press_bit_data = *press
+                    .get(press_counter)
+                    .ok_or_else(|| invalid("huffman body ended early"))?
+                    as u16;
+                press_bit_counter = 0;
+            }
+            let index = (press_bit_data & 1) as usize;
+            press_bit_data >>= 1;
+            press_bit_counter += 1;
+            node_index = nodes[node_index as usize].child[index];
+        }
+        out[dest_counter] = node_index as u8;
+    }
+
+    Ok(out)
+}
+
+pub(crate) fn dxa_decode(src: &[u8]) -> io::Result<Vec<u8>> {
+    if src.len() < 9 {
+        return Err(invalid("lz source too small"));
+    }
+    let dest_size = read_u32(src) as usize;
+    if dest_size > MAX_DECODE_SIZE {
+        return Err(invalid(format!(
+            "lz output is implausibly large: {dest_size}"
+        )));
+    }
+    let packed_total = read_u32(&src[4..]) as usize;
+    if packed_total < 9 || packed_total > src.len() {
+        return Err(invalid("lz packed size is invalid"));
+    }
+    let mut src_left = packed_total - 9;
+    let key_code = src[8];
+    let mut sp = 9usize;
+    let mut out = Vec::with_capacity(dest_size);
+
+    while src_left > 0 {
+        let b = *src
+            .get(sp)
+            .ok_or_else(|| invalid("lz source ended early"))?;
+        if b != key_code {
+            out.push(b);
+            sp += 1;
+            src_left -= 1;
+            continue;
+        }
+
+        let b1 = *src
+            .get(sp + 1)
+            .ok_or_else(|| invalid("lz source ended early"))?;
+        if b1 == key_code {
+            out.push(key_code);
+            sp += 2;
+            src_left = src_left.saturating_sub(2);
+            continue;
+        }
+
+        let mut code = b1;
+        if code > key_code {
+            code -= 1;
+        }
+        sp += 2;
+        src_left = src_left.saturating_sub(2);
+
+        let mut conbo = (code >> 3) as usize;
+        if (code & 4) != 0 {
+            conbo |= (*src
+                .get(sp)
+                .ok_or_else(|| invalid("lz source ended early"))? as usize)
+                << 5;
+            sp += 1;
+            src_left = src_left.saturating_sub(1);
+        }
+        conbo += 4;
+
+        let index_size = code & 3;
+        let mut index = match index_size {
+            0 => {
+                let v = *src
+                    .get(sp)
+                    .ok_or_else(|| invalid("lz source ended early"))?
+                    as usize;
+                sp += 1;
+                src_left = src_left.saturating_sub(1);
+                v
+            }
+            1 => {
+                if sp + 2 > src.len() {
+                    return Err(invalid("lz source ended early"));
+                }
+                let v = read_u16(&src[sp..]) as usize;
+                sp += 2;
+                src_left = src_left.saturating_sub(2);
+                v
+            }
+            2 => {
+                if sp + 3 > src.len() {
+                    return Err(invalid("lz source ended early"));
+                }
+                let v = read_u16(&src[sp..]) as usize | ((src[sp + 2] as usize) << 16);
+                sp += 3;
+                src_left = src_left.saturating_sub(3);
+                v
+            }
+            _ => return Err(invalid("unsupported lz index size")),
+        };
+        index += 1;
+        if index > out.len() {
+            return Err(invalid("lz back-reference before output start"));
+        }
+        for _ in 0..conbo {
+            let v = out[out.len() - index];
+            out.push(v);
+        }
+    }
+
+    if out.len() != dest_size {
+        return Err(invalid(format!(
+            "lz decoded {} bytes, expected {}",
+            out.len(),
+            dest_size
+        )));
+    }
+    Ok(out)
+}
diff --git a/util/wolfdawn-master/crates/wolf-archive/src/crypto.rs b/util/wolfdawn-master/crates/wolf-archive/src/crypto.rs
new file mode 100644
index 0000000..1bca797
--- /dev/null
+++ b/util/wolfdawn-master/crates/wolf-archive/src/crypto.rs
@@ -0,0 +1,726 @@
+//! WolfPro crypto: the 7-byte DXLib key (`key_create`/`key_conv`/`crc32`), the 768-byte
+//! stream cipher + its key schedule (`wolf_init_key`/`wolf_crypt`), the header-address
+//! scramble, and the AES-128-CTR pass used by v3.5+ archives.
+
+use crate::codec::{dxa_decode, huffman_decode};
+use crate::*;
+
+pub(crate) fn key_create(source: &[u8]) -> [u8; KEY_BYTES] {
+    let mut src = nul_terminated(source).to_vec();
+    if src.len() < 4 {
+        src.extend_from_slice(DEFAULT_DXLIB_KEY);
+    }
+    let even: Vec<u8> = src.iter().step_by(2).copied().collect();
+    let odd: Vec<u8> = src.iter().skip(1).step_by(2).copied().collect();
+    let c0 = crc32(&even);
+    let c1 = crc32(&odd);
+    [
+        c0 as u8,
+        (c0 >> 8) as u8,
+        (c0 >> 16) as u8,
+        (c0 >> 24) as u8,
+        c1 as u8,
+        (c1 >> 8) as u8,
+        (c1 >> 16) as u8,
+    ]
+}
+
+pub(crate) fn nul_terminated(source: &[u8]) -> &[u8] {
+    source
+        .iter()
+        .position(|&b| b == 0)
+        .map(|end| &source[..end])
+        .unwrap_or(source)
+}
+
+pub(crate) fn crc32(data: &[u8]) -> u32 {
+    let mut table = [0u32; 256];
+    for i in 0..256u32 {
+        let mut v = i;
+        for _ in 0..8 {
+            let b = v & 1;
+            v >>= 1;
+            if b != 0 {
+                v ^= 0xedb88320;
+            }
+        }
+        table[i as usize] = v;
+    }
+    let mut crc = 0xffff_ffffu32;
+    for &b in data {
+        crc = table[((crc ^ b as u32) & 0xff) as usize] ^ (crc >> 8);
+    }
+    crc ^ 0xffff_ffff
+}
+
+pub(crate) fn key_conv(data: &mut [u8], key: &[u8; KEY_BYTES], pos: usize) {
+    for (i, byte) in data.iter_mut().enumerate() {
+        *byte ^= key[(pos + i) % KEY_BYTES];
+    }
+}
+
+pub(crate) fn is_new_wolf_crypt(crypt_version: u16) -> bool {
+    (crypt_version >= 331 && crypt_version < 1000) || crypt_version >= 1010
+}
+
+pub(crate) fn is_wolf_v35(crypt_version: u16) -> bool {
+    (crypt_version >= 0x15e && crypt_version < 0x3e8) || crypt_version >= 0x3fc
+}
+
+pub(crate) fn candidate_matches_wolf_version(label: &str, crypt_version: u16) -> bool {
+    label == "requested"
+        || matches!(
+            (crypt_version, label),
+            (0x14b, "wolf-v3.31")
+                | (0x15e, "wolf-v3.50")
+                | (0x64, "wolf-chacha2")
+                | (0xc8, "wolf-chacha2")
+        )
+}
+
+#[derive(Clone, Copy)]
+pub(crate) struct MsvcRand {
+    state: u32,
+}
+
+impl MsvcRand {
+    fn new(seed: u32) -> Self {
+        Self { state: seed }
+    }
+
+    fn next(&mut self) -> u32 {
+        self.state = self.state.wrapping_mul(214013).wrapping_add(2531011);
+        (self.state >> 16) & 0x7fff
+    }
+}
+
+pub(crate) fn wolf_init_key(
+    crypt_version: u16,
+    pwd: &[u8; 15],
+    key2: Option<&[u8]>,
+    other: bool,
+    key_string: &[u8],
+) -> [u8; 768] {
+    let mut key = [0u8; 768];
+    let mut fac = [0u8; 3];
+
+    let s0 = pwd[2];
+    let s1 = pwd[5];
+    let s2 = pwd[12];
+    let mut s3 = 0u8;
+
+    if !other {
+        let len = pwd[11] / 3;
+        for i in 0..len {
+            s3 = i ^ (s3 ^ pwd[i as usize % 15]).rotate_right(3);
+        }
+    } else {
+        let len = pwd[8] / 4;
+        for i in 0..len {
+            s3 = i ^ (s3 ^ pwd[i as usize % 15]).rotate_right(2);
+        }
+    }
+
+    let seed = (s0 as u32) * (s1 as u32) + (s2 as u32) + (s3 as u32);
+    let mut rng = MsvcRand::new(seed);
+
+    fac[s3 as usize % 3] = (rng.next() % 256) as u8;
+
+    if !other && is_wolf_v35(crypt_version) {
+        fac[1] = (rng.next() % 0xfb) as u8;
+    }
+
+    for i in 0..256 {
+        let rn = (rng.next() & 0xffff) as u16;
+        key[i] = fac[0] ^ (rng.next() as u8);
+        key[i + 256] = fac[1] ^ (rn >> 8) as u8;
+        key[i + 512] = fac[2] ^ rn as u8;
+    }
+
+    if let Some(key2) = key2 {
+        for j in 0..128 {
+            let rn = (rng.next() & 0xffff) as u16;
+            key[j] ^= s3 ^ key2[2] ^ (rn >> 8) as u8;
+            key[j + 256] ^= s3 ^ key2[0] ^ rn as u8;
+        }
+    }
+
+    if other {
+        let mut salt = [0u8; 128];
+        let salt_source = if crypt_version == 0x15e {
+            b"958".as_slice()
+        } else {
+            nul_terminated(key_string)
+        };
+        calc_wolf_salt(salt_source, &mut salt);
+
+        let mut mod_factor = 7u8;
+        if is_wolf_v35(crypt_version) {
+            s3 = s3.wrapping_add(0x22);
+            mod_factor = 16;
+        }
+
+        for i in 0..3usize {
+            let mut t = s3 as i32;
+            for j in 0..256usize {
+                let mut skip = false;
+                let cur_s = salt[j & 0x7f];
+                let cur_s2 = salt[(j + i) % 0x80];
+                let cur_k = key[i * 256 + j];
+                let s_x_k = cur_s ^ cur_k;
+                let round = (((cur_s2 as u16) | ((cur_s as u16) << 8)) % mod_factor as u16) as u8;
+                let mut new_k = s_x_k;
+
+                match round {
+                    1 => {
+                        if cur_s2 % 0x0b == 0 {
+                            new_k = cur_k;
+                        }
+                    }
+                    2 => {
+                        if cur_s % 0x1d == 0 {
+                            new_k = !s_x_k;
+                        }
+                    }
+                    3 => {
+                        if ((round as usize + j) % 0x25) == 0 {
+                            new_k = cur_s2 ^ s_x_k;
+                        }
+                    }
+                    4 => {
+                        if ((cur_s as u16 + cur_s2 as u16) % 97) == 0 {
+                            new_k = cur_s.wrapping_add(s_x_k);
+                        }
+                    }
+                    5 => {
+                        if ((j * round as usize) % 0x7b) == 0 {
+                            new_k = s_x_k ^ t as u8;
+                        }
+                    }
+                    6 => {
+                        if cur_s == 0xff && cur_s2 == 0 {
+                            new_k = 0;
+                            skip = true;
+                        }
+                    }
+                    7 => {
+                        if crypt_version >= 0x154
+                            && !(crypt_version > 0x3e8 && crypt_version < 0x3fc)
+                            && (((round as usize + j) % 0x33) == 0 || crypt_version >= 0x3fc)
+                        {
+                            new_k ^= cur_s;
+                        }
+                    }
+                    8 => {
+                        if crypt_version >= 0x154
+                            && !(crypt_version > 0x3e8 && crypt_version < 0x3fc)
+                            && ((cur_s % 0x1d) == 0 || crypt_version >= 0x3fc)
+                        {
+                            new_k ^= cur_s;
+                        }
+                    }
+                    _ => {}
+                }
+
+                if ((j + i) % (cur_s as usize % 5 + 1)) == 0 {
+                    new_k ^= t as u8;
+                } else if skip {
+                    new_k = !s_x_k;
+                }
+
+                key[i * 256 + j] = new_k;
+                t += i as i32;
+            }
+        }
+    }
+
+    key
+}
+
+pub(crate) fn calc_wolf_salt(source: &[u8], salt: &mut [u8; 128]) {
+    let source = if source.is_empty() {
+        DEFAULT_DXLIB_KEY
+    } else {
+        source
+    };
+    for i in 0..128 {
+        salt[i] = (i / source.len()) as u8 + source[i % source.len()];
+    }
+}
+
+pub(crate) fn wolf_crypt(key: &[u8; 768], data: &mut [u8], start: usize, crypt_version: u16) {
+    let mut v1 = start % 256;
+    let mut v2 = (start / 256) % 256;
+    let mut v3 = (start / 0x10000) % 256;
+
+    if is_wolf_v35(crypt_version) {
+        let mut modded = [0u8; 512];
+        for i in 0..512 {
+            modded[i] = key[i % 256] ^ (7u8.wrapping_mul(i as u8));
+        }
+        for byte in data {
+            *byte ^= modded[v1] ^ modded[v2 + 256];
+            v1 += 1;
+            if v1 == 256 {
+                v1 = 0;
+                v2 = (v2 + 1) % 256;
+            }
+        }
+    } else {
+        for byte in data {
+            *byte ^= key[v1] ^ key[v2 + 256] ^ key[v3 + 512];
+            v1 += 1;
+            if v1 == 256 {
+                v1 = 0;
+                v2 += 1;
+                if v2 == 256 {
+                    v2 = 0;
+                    v3 = (v3 + 1) % 256;
+                }
+            }
+        }
+    }
+}
+
+pub(crate) fn wolf_crypt_addresses(data: &mut [u8], pwd: &[u8; 15], crypt_version: u16) {
+    if data.len() < 64 {
+        return;
+    }
+
+    if is_wolf_v35(crypt_version) {
+        let seed = 0x0c + pwd[9] as u32 * pwd[10] as u32 + pwd[3] as u32;
+        let mut rng = MsvcRand::new(seed);
+        let mut word = 4usize;
+        for _ in 0..2 {
+            for j in (0..4).rev() {
+                xor_u16_at(data, (word + j) * 2, (rng.next() & 0xffff) as u16);
+            }
+            word += 4;
+        }
+        let r0 = (rng.next() as u64) << 17;
+        let r1 = (rng.next() as u64) << 31;
+        let v0 = ((r0 & 0xffff_ffff) | (r1 & 0xffff_ffff) | rng.next() as u64) as u32;
+        let v1 = ((r0 >> 32) | (r1 >> 32)) as u32;
+        xor_u32_at(data, word * 2, v0);
+        xor_u32_at(data, word * 2 + 4, v1);
+        word += 4;
+        for j in (0..4).rev() {
+            xor_u16_at(data, (word + j) * 2, (rng.next() & 0xffff) as u16);
+        }
+    } else {
+        let seed = pwd[0] as u32 + pwd[7] as u32 * pwd[12] as u32;
+        let mut rng = MsvcRand::new(seed);
+        let mut word = 4usize;
+        for _ in 0..4 {
+            for j in (0..4).rev() {
+                xor_u16_at(data, (word + j) * 2, (rng.next() & 0xffff) as u16);
+            }
+            word += 4;
+        }
+    }
+}
+
+pub(crate) fn xor_u16_at(data: &mut [u8], off: usize, value: u16) {
+    if off + 2 <= data.len() {
+        let v = read_u16(&data[off..]) ^ value;
+        data[off..off + 2].copy_from_slice(&v.to_le_bytes());
+    }
+}
+
+pub(crate) fn xor_u32_at(data: &mut [u8], off: usize, value: u32) {
+    if off + 4 <= data.len() {
+        let v = read_u32(&data[off..]) ^ value;
+        data[off..off + 4].copy_from_slice(&v.to_le_bytes());
+    }
+}
+
+pub(crate) fn wolf_aes_body_size(
+    file_size: usize,
+    crypt_version: u16,
+    pwd: &[u8; 15],
+    key2: Option<&[u8]>,
+) -> usize {
+    let body_len = file_size.saturating_sub(64);
+    if body_len < 0x400 {
+        return 0;
+    }
+    if !is_wolf_v35(crypt_version) {
+        return 0x400;
+    }
+
+    let mut seed = if crypt_version >= 1020 {
+        let key2 = key2.unwrap_or(&[0, 0, 0, 0]);
+        key2[0] as u32 * key2[1] as u32 + pwd[2] as u32 * pwd[4] as u32 + pwd[11] as u32
+    } else {
+        pwd[2] as u32 * pwd[4] as u32 + pwd[12] as u32
+    };
+    if seed == 0 {
+        seed = 1;
+    }
+    let mut xs = XorShift32::new(seed);
+    let first = xs.next() % 500 + 800;
+    if file_size >= first as usize {
+        xs.next();
+    }
+    let mut body_size = body_len;
+    let limit = xs.next() % 500 + 800;
+    if body_size >= limit as usize {
+        body_size = (xs.next() % 500 + 800) as usize;
+    }
+    body_size
+}
+
+pub(crate) struct XorShift32 {
+    state: u32,
+}
+
+impl XorShift32 {
+    fn new(seed: u32) -> Self {
+        Self { state: seed }
+    }
+
+    fn next(&mut self) -> u32 {
+        self.state ^= self.state << 0x0b;
+        self.state ^= self.state >> 0x13;
+        self.state ^= self.state << 0x07;
+        self.state
+    }
+}
+
+pub(crate) fn read_wolf_table(data: &[u8], head: &DxHead, wolf: &WolfContext) -> Option<Vec<u8>> {
+    let start = head.name_table_start as usize;
+    let no_key = (head.flags & 1) != 0;
+    let no_head_press = (head.flags & 2) != 0;
+
+    if no_head_press {
+        let mut table = read_wolf_archive_slice(data, start, head.head_size as usize, wolf)?;
+        if !no_key {
+            wolf_crypt(&wolf.special_key, &mut table, 0, wolf.crypt_version);
+        }
+        Some(table)
+    } else {
+        let huff_len = data.len().checked_sub(start)?;
+        let mut huff = read_wolf_archive_slice(data, start, huff_len, wolf)?;
+        if !no_key {
+            wolf_crypt(&wolf.special_key, &mut huff, 0, wolf.crypt_version);
+        }
+        let lz = huffman_decode(&huff).ok()?;
+        dxa_decode(&lz).ok()
+    }
+}
+
+pub(crate) fn read_wolf_archive_slice(
+    data: &[u8],
+    start: usize,
+    len: usize,
+    wolf: &WolfContext,
+) -> Option<Vec<u8>> {
+    let end = start.checked_add(len)?;
+    let mut out = data.get(start..end)?.to_vec();
+    let file_size = data.len();
+
+    apply_wolf_stream_overlap(
+        &mut out,
+        start,
+        64,
+        file_size.saturating_sub(64),
+        &wolf.other_key,
+        wolf.crypt_version,
+    );
+
+    let pass1_end = 64usize.saturating_add(wolf.body_size).min(file_size);
+    apply_aes_overlap(&mut out, start, 64, pass1_end, &wolf.aes_round_key, 0);
+
+    if wolf.name_table_start < file_size {
+        let body_blocks = (wolf.body_size + AES_BLOCK_LEN - 1) / AES_BLOCK_LEN;
+        apply_aes_overlap(
+            &mut out,
+            start,
+            wolf.name_table_start,
+            file_size,
+            &wolf.aes_round_key,
+            body_blocks,
+        );
+    }
+
+    Some(out)
+}
+
+pub(crate) fn apply_wolf_stream_overlap(
+    out: &mut [u8],
+    out_start: usize,
+    range_start: usize,
+    range_end: usize,
+    key: &[u8; 768],
+    crypt_version: u16,
+) {
+    let out_end = out_start.saturating_add(out.len());
+    let begin = out_start.max(range_start);
+    let end = out_end.min(range_end);
+    if begin >= end {
+        return;
+    }
+    let local = begin - out_start;
+    wolf_crypt(
+        key,
+        &mut out[local..local + (end - begin)],
+        begin,
+        crypt_version,
+    );
+}
+
+pub(crate) fn apply_aes_overlap(
+    out: &mut [u8],
+    out_start: usize,
+    range_start: usize,
+    range_end: usize,
+    round_key: &[u8; AES_ROUND_KEY_SIZE],
+    iv_block_offset: usize,
+) {
+    let out_end = out_start.saturating_add(out.len());
+    let begin = out_start.max(range_start);
+    let end = out_end.min(range_end);
+    if begin >= end {
+        return;
+    }
+    let local = begin - out_start;
+    let stream_offset = begin - range_start;
+    aes_ctr_xcrypt_at(
+        &mut out[local..local + (end - begin)],
+        round_key,
+        stream_offset,
+        iv_block_offset,
+    );
+}
+
+pub(crate) const AES_SBOX: [u8; 256] = [
+    0x63, 0x7c, 0x77, 0x7b, 0xf2, 0x6b, 0x6f, 0xc5, 0x30, 0x01, 0x67, 0x2b, 0xfe, 0xd7, 0xab, 0x76,
+    0xca, 0x82, 0xc9, 0x7d, 0xfa, 0x59, 0x47, 0xf0, 0xad, 0xd4, 0xa2, 0xaf, 0x9c, 0xa4, 0x72, 0xc0,
+    0xb7, 0xfd, 0x93, 0x26, 0x36, 0x3f, 0xf7, 0xcc, 0x34, 0xa5, 0xe5, 0xf1, 0x71, 0xd8, 0x31, 0x15,
+    0x04, 0xc7, 0x23, 0xc3, 0x18, 0x96, 0x05, 0x9a, 0x07, 0x12, 0x80, 0xe2, 0xeb, 0x27, 0xb2, 0x75,
+    0x09, 0x83, 0x2c, 0x1a, 0x1b, 0x6e, 0x5a, 0xa0, 0x52, 0x3b, 0xd6, 0xb3, 0x29, 0xe3, 0x2f, 0x84,
+    0x53, 0xd1, 0x00, 0xed, 0x20, 0xfc, 0xb1, 0x5b, 0x6a, 0xcb, 0xbe, 0x39, 0x4a, 0x4c, 0x58, 0xcf,
+    0xd0, 0xef, 0xaa, 0xfb, 0x43, 0x4d, 0x33, 0x85, 0x45, 0xf9, 0x02, 0x7f, 0x50, 0x3c, 0x9f, 0xa8,
+    0x51, 0xa3, 0x40, 0x8f, 0x92, 0x9d, 0x38, 0xf5, 0xbc, 0xb6, 0xda, 0x21, 0x10, 0xff, 0xf3, 0xd2,
+    0xcd, 0x0c, 0x13, 0xec, 0x5f, 0x97, 0x44, 0x17, 0xc4, 0xa7, 0x7e, 0x3d, 0x64, 0x5d, 0x19, 0x73,
+    0x60, 0x81, 0x4f, 0xdc, 0x22, 0x2a, 0x90, 0x88, 0x46, 0xee, 0xb8, 0x14, 0xde, 0x5e, 0x0b, 0xdb,
+    0xe0, 0x32, 0x3a, 0x0a, 0x49, 0x06, 0x24, 0x5c, 0xc2, 0xd3, 0xac, 0x62, 0x91, 0x95, 0xe4, 0x79,
+    0xe7, 0xc8, 0x37, 0x6d, 0x8d, 0xd5, 0x4e, 0xa9, 0x6c, 0x56, 0xf4, 0xea, 0x65, 0x7a, 0xae, 0x08,
+    0xba, 0x78, 0x25, 0x2e, 0x1c, 0xa6, 0xb4, 0xc6, 0xe8, 0xdd, 0x74, 0x1f, 0x4b, 0xbd, 0x8b, 0x8a,
+    0x70, 0x3e, 0xb5, 0x66, 0x48, 0x03, 0xf6, 0x0e, 0x61, 0x35, 0x57, 0xb9, 0x86, 0xc1, 0x1d, 0x9e,
+    0xe1, 0xf8, 0x98, 0x11, 0x69, 0xd9, 0x8e, 0x94, 0x9b, 0x1e, 0x87, 0xe9, 0xce, 0x55, 0x28, 0xdf,
+    0x8c, 0xa1, 0x89, 0x0d, 0xbf, 0xe6, 0x42, 0x68, 0x41, 0x99, 0x2d, 0x0f, 0xb0, 0x54, 0xbb, 0x16,
+];
+pub(crate) const AES_RCON: [u8; 11] = [
+    0x8d, 0x01, 0x02, 0x04, 0x08, 0x10, 0x20, 0x40, 0x80, 0x1b, 0x36,
+];
+
+pub(crate) fn wolf_aes_init_round_key(
+    pwd: &[u8; 15],
+    pro_key: Option<&[u8]>,
+    crypt_version: u16,
+) -> [u8; AES_ROUND_KEY_SIZE] {
+    let zero = [0u8; 4];
+    let pro = pro_key.unwrap_or(&zero);
+    let mut key = [0u8; AES_BLOCK_LEN];
+    let mut iv = [0u8; AES_BLOCK_LEN];
+
+    if is_wolf_v35(crypt_version) {
+        for i in 0..15usize {
+            let pro_elem = pro[i % 4];
+            let key_idx = ((i * (pro_elem as usize % 5 + 7)) ^ (3 * pwd[i] as usize)) % 15;
+            let iv_idx = (i * (pro[(i + 1) % 4] as usize % 7 + 0x0b)
+                ^ (5 * pwd[(i + 3) % 15] as usize))
+                % 15;
+
+            key[i] ^= ((i as u8 ^ pro_elem)
+                .wrapping_add(pwd[key_idx].wrapping_shl((i % 3) as u32)))
+                % 0xfb;
+            iv[i] ^= (pwd[iv_idx]
+                .wrapping_shr((i % 2) as u32)
+                .wrapping_add((i * i) as u8 ^ pro[(i + 2) % 4]))
+                % 0xf6;
+            key[15] ^= (7u16 * (pwd[i].wrapping_add((i as u8 + 1) ^ pro_elem)) as u16 % 0xfd) as u8;
+            iv[15] ^= (11u16 * (pwd[i].wrapping_sub((i as u8 * 2) ^ pro[(i + 2) % 4])) as u16
+                % 0x100) as u8;
+        }
+    } else if crypt_version == 0x3f2 {
+        for i in 0..15usize {
+            key[i] ^= pwd[(i * 7) % 15]
+                .wrapping_add(pro[i & 3])
+                .wrapping_mul((i * i) as u8);
+            iv[i] ^= pwd[(i * 11) % 15]
+                .wrapping_add(pro[(i + 2) % 4])
+                .wrapping_sub((i * i) as u8);
+            key[15] ^= (i as u8)
+                .wrapping_mul(3)
+                .wrapping_add(pwd[i])
+                .wrapping_add(pro[i & 3]);
+            iv[15] ^= (i as u8)
+                .wrapping_mul(5)
+                .wrapping_add(pwd[i])
+                .wrapping_add(pro[(i + 2) % 4]);
+        }
+    } else {
+        for i in 0..15usize {
+            key[i] ^= pwd[(i * 7) % 15].wrapping_add((i * i) as u8);
+            iv[i] ^= pwd[(i * 11) % 15].wrapping_sub((i * i) as u8);
+            key[15] ^= pwd[i].wrapping_add((i * 3) as u8);
+            iv[15] ^= pwd[i].wrapping_add((i * 5) as u8);
+        }
+    }
+
+    key[0] ^= pro[0];
+    iv[10] ^= pro[0];
+    key[4] ^= pro[1];
+    iv[1] ^= pro[1];
+    key[8] ^= pro[2];
+    iv[4] ^= pro[2];
+    key[12] ^= pro[3];
+    iv[7] ^= pro[3];
+
+    let mut round_key = [0u8; AES_ROUND_KEY_SIZE];
+    aes_key_expansion(&mut round_key[..AES_KEY_EXP_SIZE], &key);
+    round_key[AES_KEY_EXP_SIZE..].copy_from_slice(&iv);
+    round_key
+}
+
+pub(crate) fn aes_key_expansion(round_key: &mut [u8], key: &[u8; AES_BLOCK_LEN]) {
+    for i in 0..4 {
+        round_key[i * 4..i * 4 + 4].copy_from_slice(&key[i * 4..i * 4 + 4]);
+    }
+
+    for i in 4..44usize {
+        let mut temp = [
+            round_key[(i - 1) * 4],
+            round_key[(i - 1) * 4 + 1],
+            round_key[(i - 1) * 4 + 2],
+            round_key[(i - 1) * 4 + 3],
+        ];
+
+        if i % 4 == 0 {
+            temp.rotate_left(1);
+            temp[0] = AES_SBOX[temp[0] as usize] ^ AES_RCON[i / 4];
+            temp[1] = AES_SBOX[temp[1] as usize] >> 4;
+            temp[2] = !AES_SBOX[temp[2] as usize];
+            temp[3] = AES_SBOX[temp[3] as usize].rotate_right(7);
+        }
+
+        for j in 0..4 {
+            round_key[i * 4 + j] = round_key[(i - 4) * 4 + j] ^ temp[j];
+        }
+    }
+}
+
+pub(crate) fn aes_ctr_xcrypt_at(
+    data: &mut [u8],
+    round_key: &[u8; AES_ROUND_KEY_SIZE],
+    stream_offset: usize,
+    iv_block_offset: usize,
+) {
+    let mut local_key = *round_key;
+    let block_offset = stream_offset / AES_BLOCK_LEN + iv_block_offset;
+    aes_advance_iv(&mut local_key[AES_KEY_EXP_SIZE..], block_offset);
+
+    let mut state = [0u8; AES_BLOCK_LEN];
+    let rem = stream_offset % AES_BLOCK_LEN;
+    let mut bi = AES_BLOCK_LEN;
+    if rem != 0 {
+        aes_next_ctr_block(&mut local_key, &mut state);
+        bi = rem;
+    }
+
+    for byte in data {
+        if bi == AES_BLOCK_LEN {
+            aes_next_ctr_block(&mut local_key, &mut state);
+            bi = 0;
+        }
+        *byte ^= state[bi];
+        bi += 1;
+    }
+}
+
+pub(crate) fn aes_next_ctr_block(
+    round_key: &mut [u8; AES_ROUND_KEY_SIZE],
+    state: &mut [u8; AES_BLOCK_LEN],
+) {
+    state.copy_from_slice(&round_key[AES_KEY_EXP_SIZE..]);
+    aes_cipher(state, &round_key[..AES_KEY_EXP_SIZE]);
+    aes_increment_iv(&mut round_key[AES_KEY_EXP_SIZE..]);
+}
+
+pub(crate) fn aes_advance_iv(iv: &mut [u8], blocks: usize) {
+    for _ in 0..blocks {
+        aes_increment_iv(iv);
+    }
+}
+
+pub(crate) fn aes_increment_iv(iv: &mut [u8]) {
+    for byte in iv.iter_mut().rev() {
+        if *byte == 0xff {
+            *byte = 0;
+        } else {
+            *byte = byte.wrapping_add(1);
+            break;
+        }
+    }
+}
+
+pub(crate) fn aes_cipher(state: &mut [u8; AES_BLOCK_LEN], round_key: &[u8]) {
+    aes_add_round_key(state, 0, round_key);
+    for round in 1..10u8 {
+        aes_sub_bytes(state);
+        aes_shift_rows(state);
+        aes_mix_columns(state);
+        aes_add_round_key(state, round, round_key);
+    }
+    aes_sub_bytes(state);
+    aes_shift_rows(state);
+    aes_add_round_key(state, 10, round_key);
+}
+
+pub(crate) fn aes_add_round_key(state: &mut [u8; AES_BLOCK_LEN], round: u8, round_key: &[u8]) {
+    let start = round as usize * AES_BLOCK_LEN;
+    for i in 0..AES_BLOCK_LEN {
+        state[i] ^= round_key[start + i];
+    }
+}
+
+pub(crate) fn aes_sub_bytes(state: &mut [u8; AES_BLOCK_LEN]) {
+    for byte in state {
+        *byte = AES_SBOX[*byte as usize];
+    }
+}
+
+pub(crate) fn aes_shift_rows(state: &mut [u8; AES_BLOCK_LEN]) {
+    let temp = state[1];
+    state[1] = state[5];
+    state[5] = state[9];
+    state[9] = state[13];
+    state[13] = temp;
+
+    state.swap(2, 10);
+    state.swap(6, 14);
+
+    let temp = state[3];
+    state[3] = state[15];
+    state[15] = state[11];
+    state[11] = state[7];
+    state[7] = temp;
+}
+
+pub(crate) fn aes_xtime(x: u8) -> u8 {
+    (x << 1) ^ (((x >> 7) & 1) * 0x1b)
+}
+
+pub(crate) fn aes_mix_columns(state: &mut [u8; AES_BLOCK_LEN]) {
+    for col in 0..4 {
+        let base = col * 4;
+        let t = state[base];
+        let tmp = state[base] ^ state[base + 1] ^ state[base + 2] ^ state[base + 3];
+        state[base] ^= tmp ^ aes_xtime(state[base + 1] ^ state[base]);
+        state[base + 1] ^= tmp ^ aes_xtime(state[base + 2] ^ state[base + 1]);
+        state[base + 2] ^= tmp ^ aes_xtime(state[base + 2] ^ state[base + 3]);
+        state[base + 3] ^= tmp ^ aes_xtime(state[base + 3] ^ t);
+    }
+}
diff --git a/util/wolfdawn-master/crates/wolf-archive/src/dxarc_v2/common.rs b/util/wolfdawn-master/crates/wolf-archive/src/dxarc_v2/common.rs
new file mode 100644
index 0000000..977ec3b
--- /dev/null
+++ b/util/wolfdawn-master/crates/wolf-archive/src/dxarc_v2/common.rs
@@ -0,0 +1,151 @@
+//! Shared primitives for the DXArchive VER5/VER6 (Wolf 2.0x) decoders: the 12-byte key
+//! derivation and `KeyConv`, the keycode-LZSS decompressor, and file-name extraction. These
+//! are byte-for-byte identical between VER5 and VER6. Only the table/struct layout differs.
+
+pub(super) const KEYLEN: usize = 12;
+const MIN_COMPRESS: usize = 4;
+
+/// `KeyCreate`: loop the source string to 12 bytes, then a fixed per-byte transform.
+pub(super) fn key_create(source: &[u8]) -> [u8; KEYLEN] {
+    let mut k = [0xaau8; KEYLEN];
+    if !source.is_empty() {
+        for (i, b) in k.iter_mut().enumerate() {
+            *b = source[i % source.len()];
+        }
+    }
+    k[0] = !k[0];
+    k[1] = (k[1] >> 4) | (k[1] << 4);
+    k[2] ^= 0x8a;
+    k[3] = !((k[3] >> 4) | (k[3] << 4));
+    k[4] = !k[4];
+    k[5] ^= 0xac;
+    k[6] = !k[6];
+    k[7] = !((k[7] >> 3) | (k[7] << 5));
+    k[8] = (k[8] >> 5) | (k[8] << 3);
+    k[9] ^= 0x7f;
+    k[10] = ((k[10] >> 4) | (k[10] << 4)) ^ 0xd6;
+    k[11] ^= 0xcc;
+    k
+}
+
+/// XOR `buf` with the key starting at stream position `pos` (DXLib `KeyConv`).
+pub(super) fn key_conv(key: &[u8; KEYLEN], buf: &[u8], pos: usize) -> Vec<u8> {
+    buf.iter()
+        .enumerate()
+        .map(|(i, &b)| b ^ key[(pos + i) % KEYLEN])
+        .collect()
+}
+
+pub(super) fn u32at(d: &[u8], o: usize) -> Option<u32> {
+    d.get(o..o + 4)
+        .map(|b| u32::from_le_bytes([b[0], b[1], b[2], b[3]]))
+}
+
+pub(super) fn u64at(d: &[u8], o: usize) -> Option<u64> {
+    d.get(o..o + 8)
+        .map(|b| u64::from_le_bytes(b.try_into().unwrap()))
+}
+
+/// The original (display) file name: at `name_addr + 4 + packs*4`, NUL-terminated, Shift-JIS.
+pub(super) fn name(d: &[u8], name_addr: usize) -> Option<String> {
+    let packs = u16::from_le_bytes([*d.get(name_addr)?, *d.get(name_addr + 1)?]) as usize;
+    let start = name_addr + 4 + packs * 4;
+    let end = d[start..].iter().position(|&b| b == 0).map(|p| start + p)?;
+    Some(crate::decode_filename(&d[start..end]))
+}
+
+/// The keycode-LZSS used by both VER5 and VER6: `[destSize u32][srcSize u32][keycode u8][stream]`.
+pub(super) fn decode_lz(src: &[u8], dest_size: usize) -> Option<Vec<u8>> {
+    if src.len() < 9 {
+        return None;
+    }
+    let mut remaining = (u32at(src, 4)? as usize).checked_sub(9)?;
+    let keycode = src[8];
+    let mut out: Vec<u8> = Vec::with_capacity(dest_size);
+    let mut sp = 9usize;
+
+    while remaining > 0 {
+        let b = *src.get(sp)?;
+        if b != keycode {
+            out.push(b);
+            sp += 1;
+            remaining -= 1;
+            continue;
+        }
+        if *src.get(sp + 1)? == keycode {
+            out.push(keycode);
+            sp += 2;
+            remaining -= 2;
+            continue;
+        }
+        let mut code = *src.get(sp + 1)? as u32;
+        if code > keycode as u32 {
+            code -= 1;
+        }
+        sp += 2;
+        remaining -= 2;
+
+        let mut conbo = (code >> 3) as usize;
+        if code & 0x4 != 0 {
+            conbo |= (*src.get(sp)? as usize) << 5;
+            sp += 1;
+            remaining -= 1;
+        }
+        conbo += MIN_COMPRESS;
+
+        let mut index = match code & 0x3 {
+            0 => {
+                let v = *src.get(sp)? as usize;
+                sp += 1;
+                remaining -= 1;
+                v
+            }
+            1 => {
+                let v = u16::from_le_bytes([*src.get(sp)?, *src.get(sp + 1)?]) as usize;
+                sp += 2;
+                remaining -= 2;
+                v
+            }
+            _ => {
+                let v = u16::from_le_bytes([*src.get(sp)?, *src.get(sp + 1)?]) as usize
+                    | ((*src.get(sp + 2)? as usize) << 16);
+                sp += 3;
+                remaining -= 3;
+                v
+            }
+        };
+        index += 1;
+
+        if index > out.len() {
+            return None; // back-reference before start
+        }
+        if index < conbo {
+            // Overlapping run via doubling memcpy (matches DXLib exactly).
+            let mut num = index;
+            let mut left = conbo;
+            while left > num {
+                let s = out.len() - num;
+                for j in 0..num {
+                    let v = out[s + j];
+                    out.push(v);
+                }
+                left -= num;
+                num += num;
+            }
+            if left != 0 {
+                let s = out.len() - num;
+                for j in 0..left {
+                    let v = out[s + j];
+                    out.push(v);
+                }
+            }
+        } else {
+            let s = out.len() - index;
+            for j in 0..conbo {
+                let v = out[s + j];
+                out.push(v);
+            }
+        }
+    }
+    Some(out)
+}
diff --git a/util/wolfdawn-master/crates/wolf-archive/src/dxarc_v2/encode.rs b/util/wolfdawn-master/crates/wolf-archive/src/dxarc_v2/encode.rs
new file mode 100644
index 0000000..0172205
--- /dev/null
+++ b/util/wolfdawn-master/crates/wolf-archive/src/dxarc_v2/encode.rs
@@ -0,0 +1,303 @@
+//! DXArchive VER5 / VER6 writers: the inverse of [`super::ver5`] / [`super::ver6`].
+//!
+//! Produce the old Wolf 2.0x containers, storing files uncompressed so no keycode-LZSS encoder
+//! is needed (the reader reads `press_size == 0xFFFF…` verbatim). Both ciphers are a symmetric
+//! `key_conv` XOR, so encryption is the reader's decrypt applied to the plaintext container.
+//! Header layouts mirror the real sample archives exactly. VER5 is version 3 with a 24-byte
+//! header and whole-archive XOR by file offset. VER6 is version 6 with a 48-byte header, tables
+//! keyed at position 0, and each file's data at position `data_size`. The shared tree walk and
+//! name-table encoder come from [`crate::pack`].
+
+use super::common::{key_conv, key_create, KEYLEN};
+use crate::pack::{add_filename, Node};
+
+const DX_HEAD: u16 = 0x5844;
+const ATTR_DIRECTORY: u64 = 0x10;
+const ATTR_ARCHIVE: u64 = 0x20;
+
+/// VER5 v2.01 / VER6 v2.20 table keys. The reader tries these, so the output decodes through
+/// our own dispatch and the real engine.
+const KEY_V201: &[u8] = &[
+    0x0f, 0x53, 0xe1, 0x3e, 0x04, 0x37, 0x12, 0x17, 0x60, 0x0f, 0x53, 0xe1,
+];
+const KEY_V220: &[u8] = &[
+    0x38, 0x50, 0x40, 0x28, 0x72, 0x4f, 0x21, 0x70, 0x3b, 0x73, 0x35, 0x38,
+];
+
+/// Per-version struct geometry. Field offsets within a file head: `name_addr@0`, `attr@ptr`,
+/// time block, `data_addr@data_addr_off`, `data_size@+ptr`, `press@+2*ptr`.
+struct Spec {
+    ptr: usize,
+    fh_size: usize,
+    data_addr_off: usize,
+}
+const V5: Spec = Spec {
+    ptr: 4,
+    fh_size: 44,
+    data_addr_off: 32,
+};
+const V6: Spec = Spec {
+    ptr: 8,
+    fh_size: 64,
+    data_addr_off: 40,
+};
+
+impl Spec {
+    fn none(&self) -> u64 {
+        if self.ptr == 4 {
+            0xFFFF_FFFF
+        } else {
+            u64::MAX
+        }
+    }
+    fn dir_size(&self) -> usize {
+        self.ptr * 4
+    }
+}
+
+fn put(buf: &mut [u8], off: usize, val: u64, ptr: usize) {
+    buf[off..off + ptr].copy_from_slice(&val.to_le_bytes()[..ptr]);
+}
+
+fn get(buf: &[u8], off: usize, ptr: usize) -> u64 {
+    let mut b = [0u8; 8];
+    b[..ptr].copy_from_slice(&buf[off..off + ptr]);
+    u64::from_le_bytes(b)
+}
+
+#[derive(Default)]
+struct Build {
+    name: Vec<u8>,
+    file: Vec<u8>,
+    dir: Vec<u8>,
+    data: Vec<u8>,
+    /// `(data_addr, data_size)` per leaf file. VER6 keys each region at `pos = data_size`.
+    file_regions: Vec<(u64, u64)>,
+}
+
+/// Build the name/file/dir/data buffers for `root` using `spec`'s geometry (mirrors the v8
+/// `DirectoryEncode`: root self-filehead, per-directory contiguous file runs).
+fn build_tables(spec: &Spec, root: &Node) -> Build {
+    let mut b = Build::default();
+    add_filename(&mut b.name, ""); // root name (address 0)
+    b.file.resize(spec.fh_size, 0);
+    write_filehead(spec, &mut b.file, 0, 0, ATTR_DIRECTORY, 0, 0);
+
+    let root_num = root.entry_count() as u64;
+    let root_fha = b.file.len() as u64; // = fh_size
+    append_dir(spec, &mut b.dir, 0, spec.none(), root_num, root_fha);
+    b.file
+        .resize(b.file.len() + spec.fh_size * root_num as usize, 0);
+
+    encode_children(spec, &mut b, root, root_fha, 0);
+    b
+}
+
+fn encode_children(spec: &Spec, b: &mut Build, node: &Node, fha: u64, this_dir_addr: u64) {
+    let mut i = 0u64;
+    for (name, child) in &node.dirs {
+        directory_encode(spec, b, child, name, fha, this_dir_addr, i);
+        i += 1;
+    }
+    for (name, data) in &node.files {
+        write_file_entry(spec, b, name, data, fha, i);
+        i += 1;
+    }
+}
+
+fn directory_encode(
+    spec: &Spec,
+    b: &mut Build,
+    node: &Node,
+    name: &str,
+    parent_fha: u64,
+    parent_dir_addr: u64,
+    data_number: u64,
+) {
+    let name_addr = b.name.len() as u64;
+    let this_dir_offset = b.dir.len() as u64;
+    add_filename(&mut b.name, name);
+    let self_off = (parent_fha + data_number * spec.fh_size as u64) as usize;
+    write_filehead(
+        spec,
+        &mut b.file,
+        self_off,
+        name_addr,
+        ATTR_DIRECTORY,
+        this_dir_offset,
+        0,
+    );
+
+    let this_fha = b.file.len() as u64;
+    let parent_directory_address = if parent_dir_addr != spec.none() && parent_dir_addr != 0 {
+        get(
+            &b.file,
+            parent_dir_addr as usize + spec.data_addr_off,
+            spec.ptr,
+        )
+    } else {
+        0
+    };
+    let num = node.entry_count() as u64;
+    append_dir(
+        spec,
+        &mut b.dir,
+        self_off as u64,
+        parent_directory_address,
+        num,
+        this_fha,
+    );
+    b.file.resize(b.file.len() + spec.fh_size * num as usize, 0);
+
+    encode_children(spec, b, node, this_fha, self_off as u64);
+}
+
+fn write_file_entry(
+    spec: &Spec,
+    b: &mut Build,
+    name: &str,
+    data: &[u8],
+    fha: u64,
+    data_number: u64,
+) {
+    let name_addr = b.name.len() as u64;
+    add_filename(&mut b.name, name);
+    let data_addr = b.data.len() as u64;
+    let off = (fha + data_number * spec.fh_size as u64) as usize;
+    write_filehead(
+        spec,
+        &mut b.file,
+        off,
+        name_addr,
+        ATTR_ARCHIVE,
+        data_addr,
+        data.len() as u64,
+    );
+    b.file_regions.push((data_addr, data.len() as u64));
+    b.data.extend_from_slice(data);
+    while b.data.len() % 4 != 0 {
+        b.data.push(0);
+    }
+}
+
+fn write_filehead(
+    spec: &Spec,
+    file: &mut [u8],
+    off: usize,
+    name_addr: u64,
+    attr: u64,
+    data_addr: u64,
+    data_size: u64,
+) {
+    put(file, off, name_addr, spec.ptr);
+    put(file, off + spec.ptr, attr, spec.ptr);
+    // time block [2*ptr .. data_addr_off] stays zero
+    put(file, off + spec.data_addr_off, data_addr, spec.ptr);
+    put(
+        file,
+        off + spec.data_addr_off + spec.ptr,
+        data_size,
+        spec.ptr,
+    );
+    put(
+        file,
+        off + spec.data_addr_off + 2 * spec.ptr,
+        spec.none(),
+        spec.ptr,
+    ); // press = uncompressed
+}
+
+fn append_dir(spec: &Spec, dir: &mut Vec<u8>, dir_addr: u64, parent: u64, fhn: u64, fha: u64) {
+    let base = dir.len();
+    dir.resize(base + spec.dir_size(), 0);
+    put(dir, base, dir_addr, spec.ptr);
+    put(dir, base + spec.ptr, parent, spec.ptr);
+    put(dir, base + 2 * spec.ptr, fhn, spec.ptr);
+    put(dir, base + 3 * spec.ptr, fha, spec.ptr);
+}
+
+fn build_tree<'a>(files: &'a [(String, Vec<u8>)]) -> Result<Node<'a>, String> {
+    if files.is_empty() {
+        return Err("cannot pack an empty file list".to_string());
+    }
+    let mut root = Node::default();
+    for (path, data) in files {
+        let parts: Vec<&str> = path.split(['\\', '/']).filter(|s| !s.is_empty()).collect();
+        if parts.is_empty() {
+            return Err(format!("invalid (empty) path: {path:?}"));
+        }
+        root.insert(&parts, data);
+    }
+    Ok(root)
+}
+
+/// Pack into a Wolf 2.01/2.10 (VER5, version 3) archive. Build the plaintext container, then
+/// XOR the whole file by offset with the version key, which is the reader's exact inverse.
+pub fn pack_ver5(files: &[(String, Vec<u8>)]) -> Result<Vec<u8>, String> {
+    let root = build_tree(files)?;
+    let b = build_tables(&V5, &root);
+    let head_size = b.name.len() + b.file.len() + b.dir.len();
+    let data_start = 24usize; // version-3 header has no CodePage field
+    let name_tbl = data_start + b.data.len();
+
+    let mut out = vec![0u8; data_start];
+    out[0..2].copy_from_slice(&DX_HEAD.to_le_bytes());
+    out[2..4].copy_from_slice(&3u16.to_le_bytes()); // version 3 (Wolf 2.01/2.10)
+    put(&mut out, 4, head_size as u64, 4);
+    put(&mut out, 8, data_start as u64, 4);
+    put(&mut out, 12, name_tbl as u64, 4);
+    put(&mut out, 16, b.name.len() as u64, 4); // FileTableStart (rel to name table)
+    put(&mut out, 20, (b.name.len() + b.file.len()) as u64, 4); // DirectoryTableStart (rel)
+    out.extend_from_slice(&b.data);
+    out.extend_from_slice(&b.name);
+    out.extend_from_slice(&b.file);
+    out.extend_from_slice(&b.dir);
+
+    let key = key_create(KEY_V201);
+    for (i, byte) in out.iter_mut().enumerate() {
+        *byte ^= key[i % KEYLEN];
+    }
+    Ok(out)
+}
+
+/// Pack into a Wolf 2.20 (VER6, version 6) archive: header + tables keyed at position 0, each
+/// file's data keyed at position `data_size`. Mirrors the reader's decrypt.
+pub fn pack_ver6(files: &[(String, Vec<u8>)]) -> Result<Vec<u8>, String> {
+    let root = build_tree(files)?;
+    let b = build_tables(&V6, &root);
+    let head_size = b.name.len() + b.file.len() + b.dir.len();
+    let data_start = 48usize;
+    let name_tbl = data_start + b.data.len();
+
+    let mut head = vec![0u8; 48];
+    head[0..2].copy_from_slice(&DX_HEAD.to_le_bytes());
+    head[2..4].copy_from_slice(&6u16.to_le_bytes()); // version 6 (Wolf 2.20)
+    put(&mut head, 4, head_size as u64, 4); // HeadSize is u32 even in VER6
+    put(&mut head, 8, data_start as u64, 8);
+    put(&mut head, 16, name_tbl as u64, 8);
+    put(&mut head, 24, b.name.len() as u64, 8); // FileTableStart (rel)
+    put(&mut head, 32, (b.name.len() + b.file.len()) as u64, 8); // DirectoryTableStart (rel)
+    put(&mut head, 40, 1252, 8); // CodePage (matches the real 2.20 sample archive)
+
+    let key = key_create(KEY_V220);
+
+    // File data: key each region at pos = its data_size (padding between files stays
+    // plaintext, exactly as the reader ignores it).
+    let mut data = b.data.clone();
+    for &(addr, size) in &b.file_regions {
+        let (a, s) = (addr as usize, size as usize);
+        let keyed = key_conv(&key, &data[a..a + s], s);
+        data[a..a + s].copy_from_slice(&keyed);
+    }
+
+    let mut table = Vec::with_capacity(head_size);
+    table.extend_from_slice(&b.name);
+    table.extend_from_slice(&b.file);
+    table.extend_from_slice(&b.dir);
+
+    let mut out = Vec::with_capacity(data_start + data.len() + head_size);
+    out.extend_from_slice(&key_conv(&key, &head, 0)); // header keyed at 0
+    out.extend_from_slice(&data);
+    out.extend_from_slice(&key_conv(&key, &table, 0)); // tables keyed at 0
+    Ok(out)
+}
diff --git a/util/wolfdawn-master/crates/wolf-archive/src/dxarc_v2/mod.rs b/util/wolfdawn-master/crates/wolf-archive/src/dxarc_v2/mod.rs
new file mode 100644
index 0000000..edc160f
--- /dev/null
+++ b/util/wolfdawn-master/crates/wolf-archive/src/dxarc_v2/mod.rs
@@ -0,0 +1,19 @@
+//! DXArchive VER5 / VER6: the old Wolf RPG Editor 2.0x archive formats.
+//!
+//! The shared crypto and codec (12-byte key derivation and `KeyConv`, keycode-LZSS, name
+//! extraction) live in [`common`]. Each version's distinct table/struct layout lives in its
+//! own module ([`ver5`] = Wolf 2.01/2.10, [`ver6`] = Wolf 2.20). The newer v8 (Wolf 2.225+)
+//! format is handled separately in the crate root.
+
+mod common;
+pub mod encode;
+mod ver5;
+mod ver6;
+
+pub use encode::{pack_ver5, pack_ver6};
+
+/// Try to decode `data` as a VER5 (Wolf 2.01/2.10) then VER6 (Wolf 2.20) archive, returning
+/// `(path, contents)` pairs. `None` if it isn't one of these legacy formats.
+pub fn try_extract(data: &[u8]) -> Option<Vec<(String, Vec<u8>)>> {
+    ver5::try_extract(data).or_else(|| ver6::try_extract(data))
+}
diff --git a/util/wolfdawn-master/crates/wolf-archive/src/dxarc_v2/ver5.rs b/util/wolfdawn-master/crates/wolf-archive/src/dxarc_v2/ver5.rs
new file mode 100644
index 0000000..34f46f1
--- /dev/null
+++ b/util/wolfdawn-master/crates/wolf-archive/src/dxarc_v2/ver5.rs
@@ -0,0 +1,99 @@
+//! DXArchive VER5: Wolf RPG Editor 2.01 / 2.10.
+//!
+//! 32-bit offsets and a 44-byte file head. For header version < 5 every region (header,
+//! tables, file data) is keyed by its file offset, so the whole archive decrypts as one
+//! continuous XOR stream. Verified byte-exact against the Wolf 2.01 sample-game `Data.wolf`.
+
+use super::common::{decode_lz, key_create, name, u32at, KEYLEN};
+
+/// VER5 version-table keys.
+const KEYS: &[&[u8; KEYLEN]] = &[
+    &[
+        0x0f, 0x53, 0xe1, 0x3e, 0x04, 0x37, 0x12, 0x17, 0x60, 0x0f, 0x53, 0xe1,
+    ], // v2.01
+    &[
+        0x4c, 0xd9, 0x2a, 0xb7, 0x28, 0x9b, 0xac, 0x07, 0x3e, 0x77, 0xec, 0x4c,
+    ], // v2.10
+];
+
+pub(super) fn try_extract(data: &[u8]) -> Option<Vec<(String, Vec<u8>)>> {
+    KEYS.iter().find_map(|ks| decode(data, &key_create(*ks)))
+}
+
+fn decode(data: &[u8], key: &[u8; KEYLEN]) -> Option<Vec<(String, Vec<u8>)>> {
+    // Header version < 5: every region is keyed by file offset, so it is one XOR stream.
+    let mut d = data.to_vec();
+    for (i, b) in d.iter_mut().enumerate() {
+        *b ^= key[i % KEYLEN];
+    }
+    if u16::from_le_bytes([*d.first()?, *d.get(1)?]) != 0x5844 {
+        return None; // not a DX archive under this key
+    }
+    if u16::from_le_bytes([d[2], d[3]]) >= 5 {
+        return None; // v>=5 keys files at DataSize, not file offset. That is VER6's job.
+    }
+    let data_start = u32at(&d, 8)? as usize;
+    let name_tbl = u32at(&d, 12)? as usize;
+    let file_p = name_tbl + u32at(&d, 16)? as usize;
+    let dir_p = name_tbl + u32at(&d, 20)? as usize;
+
+    let mut out = Vec::new();
+    walk(
+        &d,
+        name_tbl,
+        file_p,
+        dir_p,
+        data_start,
+        0,
+        String::new(),
+        &mut out,
+    )?;
+    Some(out)
+}
+
+#[allow(clippy::too_many_arguments)]
+fn walk(
+    d: &[u8],
+    name_p: usize,
+    file_p: usize,
+    dir_p: usize,
+    data_start: usize,
+    dir_off: usize,
+    path: String,
+    out: &mut Vec<(String, Vec<u8>)>,
+) -> Option<()> {
+    let fhn = u32at(d, dir_p + dir_off + 8)? as usize; // FileHeadNum
+    let fha = u32at(d, dir_p + dir_off + 12)? as usize; // FileHeadAddress
+    const FH: usize = 44; // sizeof(DARC_FILEHEAD_VER5)
+    for i in 0..fhn {
+        let fh = file_p + fha + i * FH;
+        let name_addr = u32at(d, fh)? as usize;
+        let attr = u32at(d, fh + 4)?;
+        let data_addr = u32at(d, fh + 32)? as usize;
+        let data_size = u32at(d, fh + 36)? as usize;
+        let press_size = u32at(d, fh + 40)?;
+        let nm = name(d, name_p + name_addr)?;
+
+        if attr & 0x10 != 0 {
+            walk(
+                d,
+                name_p,
+                file_p,
+                dir_p,
+                data_start,
+                data_addr,
+                format!("{path}{nm}\\"),
+                out,
+            )?;
+        } else {
+            let start = data_start + data_addr;
+            let content = if press_size != 0xffff_ffff {
+                decode_lz(d.get(start..start + press_size as usize)?, data_size)?
+            } else {
+                d.get(start..start + data_size)?.to_vec()
+            };
+            out.push((format!("{path}{nm}"), content));
+        }
+    }
+    Some(())
+}
diff --git a/util/wolfdawn-master/crates/wolf-archive/src/dxarc_v2/ver6.rs b/util/wolfdawn-master/crates/wolf-archive/src/dxarc_v2/ver6.rs
new file mode 100644
index 0000000..13ed5d2
--- /dev/null
+++ b/util/wolfdawn-master/crates/wolf-archive/src/dxarc_v2/ver6.rs
@@ -0,0 +1,104 @@
+//! DXArchive VER6: Wolf RPG Editor 2.20.
+//!
+//! 64-bit offsets and a 64-byte file head (a bridge toward the v8 format). Unlike VER5, the
+//! header and tables are keyed at stream position 0 and file data at position `DataSize`
+//! (not the file offset). Same keycode-LZSS as VER5. Verified byte-exact against the Wolf
+//! 2.20 sample-game `Data.wolf`.
+
+use super::common::{decode_lz, key_conv, key_create, name, u64at, KEYLEN};
+
+/// VER6 version-table key.
+const KEYS: &[&[u8; KEYLEN]] = &[
+    &[
+        0x38, 0x50, 0x40, 0x28, 0x72, 0x4f, 0x21, 0x70, 0x3b, 0x73, 0x35, 0x38,
+    ], // v2.20
+];
+
+pub(super) fn try_extract(data: &[u8]) -> Option<Vec<(String, Vec<u8>)>> {
+    KEYS.iter().find_map(|ks| decode(data, &key_create(*ks)))
+}
+
+fn decode(data: &[u8], key: &[u8; KEYLEN]) -> Option<Vec<(String, Vec<u8>)>> {
+    let head = key_conv(key, data.get(0..48)?, 0);
+    if u16::from_le_bytes([head[0], head[1]]) != 0x5844
+        || u16::from_le_bytes([head[2], head[3]]) != 6
+    {
+        return None;
+    }
+    let head_size = u32::from_le_bytes([head[4], head[5], head[6], head[7]]) as usize;
+    let data_start = u64at(&head, 8)? as usize;
+    let name_tbl = u64at(&head, 16)? as usize;
+    let file_tbl = u64at(&head, 24)? as usize;
+    let dir_tbl = u64at(&head, 32)? as usize;
+    // Header + tables are keyed at position 0.
+    let tbl = key_conv(key, data.get(name_tbl..name_tbl + head_size)?, 0);
+
+    let mut out = Vec::new();
+    walk(
+        data,
+        &tbl,
+        key,
+        file_tbl,
+        dir_tbl,
+        data_start,
+        0,
+        String::new(),
+        &mut out,
+    )?;
+    Some(out)
+}
+
+#[allow(clippy::too_many_arguments)]
+fn walk(
+    data: &[u8],
+    tbl: &[u8],
+    key: &[u8; KEYLEN],
+    file_tbl: usize,
+    dir_tbl: usize,
+    data_start: usize,
+    dir_off: usize,
+    path: String,
+    out: &mut Vec<(String, Vec<u8>)>,
+) -> Option<()> {
+    let fhn = u64at(tbl, dir_tbl + dir_off + 16)? as usize; // FileHeadNum
+    let fha = u64at(tbl, dir_tbl + dir_off + 24)? as usize; // FileHeadAddress
+    const FH: usize = 64; // sizeof(DARC_FILEHEAD_VER6)
+    for i in 0..fhn {
+        let fh = file_tbl + fha + i * FH;
+        let name_addr = u64at(tbl, fh)? as usize;
+        let attr = u64at(tbl, fh + 8)?;
+        let data_addr = u64at(tbl, fh + 40)? as usize;
+        let data_size = u64at(tbl, fh + 48)? as usize;
+        let press_size = u64at(tbl, fh + 56)?;
+        let nm = name(tbl, name_addr)?;
+
+        if attr & 0x10 != 0 {
+            walk(
+                data,
+                tbl,
+                key,
+                file_tbl,
+                dir_tbl,
+                data_start,
+                data_addr,
+                format!("{path}{nm}\\"),
+                out,
+            )?;
+        } else {
+            let start = data_start + data_addr;
+            // File data is keyed at stream position == DataSize.
+            let content = if press_size != 0xffff_ffff_ffff_ffff {
+                let enc = key_conv(
+                    key,
+                    data.get(start..start + press_size as usize)?,
+                    data_size,
+                );
+                decode_lz(&enc, data_size)?
+            } else {
+                key_conv(key, data.get(start..start + data_size)?, data_size)
+            };
+            out.push((format!("{path}{nm}"), content));
+        }
+    }
+    Some(())
+}
diff --git a/util/wolfdawn-master/crates/wolf-archive/src/dxarchive.rs b/util/wolfdawn-master/crates/wolf-archive/src/dxarchive.rs
new file mode 100644
index 0000000..0d45c26
--- /dev/null
+++ b/util/wolfdawn-master/crates/wolf-archive/src/dxarchive.rs
@@ -0,0 +1,947 @@
+//! DXArchive v8 (`Data.wolf`) container: header parsing, the key / crypt-version dispatch
+//! and detection strategies, the directory walk, and per-file extraction.
+
+use crate::chacha20;
+use crate::codec::{dxa_decode, huffman_decode};
+use crate::crypto::*;
+use crate::*;
+use std::fs;
+use std::io;
+use std::path::Path;
+
+#[derive(Debug)]
+pub(crate) struct Entry {
+    pub(crate) path: String,
+    pub(crate) head: FileHead,
+    pub(crate) directory_addr: usize,
+}
+
+/// Map a DXArchive-Wolf cryptVersion (`Flags>>16`) to its table key. Returns `Some` only
+/// for the plaintext-header, single-key "keyed decode" versions. New wolf-crypt (encrypted
+/// header), ChaCha20, and the ambiguous version-0 string-keyed games are handled by the
+/// strategy fallbacks.
+pub(crate) fn table_key_for_version(crypt_version: u16) -> Option<Vec<u8>> {
+    let key: &[u8] = match crypt_version {
+        0x12C => DEFAULT_WOLF_V310_KEY,  // Wolf v3.00
+        0x13A => DEFAULT_WOLF_V3173_KEY, // Wolf v3.14
+        _ => return None,
+    };
+    Some(key.to_vec())
+}
+
+/// Build a layout for a "ChaCha2" (cryptVersion 0x64) archive: the header is plaintext, the
+/// table and file data are ChaCha20-keyed with the fixed chacha2 key/nonce. This mirrors the
+/// old-crypt path with ChaCha20 substituted for `key_conv`. Not yet verified against a real
+/// ChaCha2 archive.
+pub(crate) fn try_chacha_layout(data: &[u8], head: DxHead) -> Option<Layout> {
+    let ck: [u8; 32] = DEFAULT_WOLF_CHACHA2_KEY[0..32].try_into().ok()?;
+    let cn: [u8; 12] = DEFAULT_WOLF_CHACHA2_KEY[32..44].try_into().ok()?;
+    let start = head.name_table_start as usize;
+    let no_head_press = (head.flags & 2) != 0;
+    let table = if no_head_press {
+        let mut t = data
+            .get(start..start.checked_add(head.head_size as usize)?)?
+            .to_vec();
+        chacha20::crypt(&mut t, &ck, &cn, 0);
+        t
+    } else {
+        let mut huff = data.get(start..)?.to_vec();
+        chacha20::crypt(&mut huff, &ck, &cn, 0);
+        let lz = huffman_decode(&huff).ok()?;
+        dxa_decode(&lz).ok()?
+    };
+    validate_table(
+        &table,
+        head.file_table_start as usize,
+        head.directory_table_start as usize,
+    )?;
+    Some(Layout {
+        table,
+        data_start: head.data_start,
+        file_table_start: head.file_table_start as usize,
+        directory_table_start: head.directory_table_start as usize,
+        huffman_encode_kb: head.huffman_encode_kb,
+        flags: head.flags,
+        key_string: DEFAULT_WOLF_CHACHA2_KEY.to_vec(),
+        main_key_pos: 0,
+        source: "deterministic chacha2 cv=0x64".to_string(),
+        wolf: None,
+        chacha: Some((ck, cn)),
+    })
+}
+
+pub(crate) fn detect_layout(data: &[u8], requested_key_string: &[u8]) -> io::Result<Layout> {
+    if data.len() < 8 {
+        return Err(invalid("file is too small"));
+    }
+
+    // Use the full header (real table offsets and Flags). For an encrypted header the offsets
+    // are garbage, but then `try_official_layout`/`plausible_head` reject it and we fall
+    // through to the wolf-crypt strategies, so this is safe for all archives.
+    let plain = parse_full_head(data).or_else(|_| parse_head_prefix(data))?;
+    if plain.version != DX_VER_8 || plain.head != DX_HEAD {
+        return Err(invalid("not a DX archive v8 header"));
+    }
+
+    // Deterministic dispatch: a plaintext header carries Flags, and cryptVersion = Flags>>16
+    // selects the exact table key. No key guessing needed.
+    if plausible_head(&plain, data.len()) {
+        let crypt_version = (plain.flags >> 16) as u16;
+        if let Some(key_string) = table_key_for_version(crypt_version) {
+            let key = key_create(&key_string);
+            if let Some(mut layout) =
+                try_official_layout(data, key, key_string, plain, "deterministic")
+            {
+                layout.source = format!("deterministic cryptVersion={crypt_version:#x}");
+                return Ok(layout);
+            }
+        }
+        // cv 0x64: "ChaCha2" archive. Plaintext header, table and files ChaCha20-keyed.
+        if crypt_version == 0x64 {
+            if let Some(layout) = try_chacha_layout(data, plain) {
+                return Ok(layout);
+            }
+        }
+    }
+
+    let mut tried = Vec::new();
+
+    let mut candidates: Vec<(&str, Vec<u8>)> = vec![
+        ("requested", requested_key_string.to_vec()),
+        ("wolf-pro", DEFAULT_WOLF_PRO_KEY.to_vec()),
+        ("wolf-v3.10", DEFAULT_WOLF_V310_KEY.to_vec()),
+        ("wolf-v3.173", DEFAULT_WOLF_V3173_KEY.to_vec()),
+        ("wolf-v3.31", DEFAULT_WOLF_V331_KEY.to_vec()),
+        ("wolf-v3.50", DEFAULT_WOLF_V350_KEY.to_vec()),
+        ("wolf-chacha2", DEFAULT_WOLF_CHACHA2_KEY.to_vec()),
+        ("one-way", DEFAULT_ONE_WAY_KEY.to_vec()),
+        ("one-way-full", DEFAULT_ONE_WAY_FULL_KEY.to_vec()),
+        ("dxlib", DEFAULT_DXLIB_KEY.to_vec()),
+        ("old-wolf", DEFAULT_OLD_WOLF_KEY.to_vec()),
+    ];
+    candidates.dedup_by(|a, b| nul_terminated(&a.1) == nul_terminated(&b.1));
+
+    for (label, key_string) in candidates {
+        let key = key_create(&key_string);
+        if tried.iter().any(|prev| prev == &hex(&key)) {
+            continue;
+        }
+        tried.push(hex(&key));
+
+        if let Some(layout) = try_wolf_newcrypt_layout(data, key, key_string.clone(), plain, label)
+        {
+            return Ok(layout);
+        }
+
+        if let Some(layout) = try_official_layout(
+            data,
+            key,
+            key_string.clone(),
+            plain,
+            "official-plain-header",
+        ) {
+            return Ok(layout);
+        }
+
+        if let Some(layout) =
+            try_encrypted_v8_header_layout(data, key, key_string.clone(), plain, label)
+        {
+            return Ok(layout);
+        }
+
+        if let Some(layout) = try_front_loaded_layout(data, key, key_string, plain) {
+            return Ok(layout);
+        }
+    }
+
+    Err(invalid(format!(
+        "could not decode archive tables; alternate keys tried: {}",
+        tried.join(", ")
+    )))
+}
+
+pub(crate) fn try_official_layout(
+    data: &[u8],
+    key: [u8; KEY_BYTES],
+    key_string: Vec<u8>,
+    head: DxHead,
+    source: &str,
+) -> Option<Layout> {
+    if !plausible_head(&head, data.len()) {
+        return None;
+    }
+
+    let start = head.name_table_start as usize;
+    let head_size = head.head_size as usize;
+    let no_key = (head.flags & 1) != 0;
+    let no_head_press = (head.flags & 2) != 0;
+
+    let table = if no_head_press {
+        let mut table = data.get(start..start.checked_add(head_size)?)?.to_vec();
+        if !no_key {
+            key_conv(&mut table, &key, 0);
+        }
+        table
+    } else {
+        let mut huff = data.get(start..)?.to_vec();
+        if !no_key {
+            key_conv(&mut huff, &key, 0);
+        }
+        let lz = huffman_decode(&huff).ok()?;
+        dxa_decode(&lz).ok()?
+    };
+
+    validate_table(
+        &table,
+        head.file_table_start as usize,
+        head.directory_table_start as usize,
+    )?;
+    Some(Layout {
+        table,
+        data_start: head.data_start,
+        file_table_start: head.file_table_start as usize,
+        directory_table_start: head.directory_table_start as usize,
+        huffman_encode_kb: head.huffman_encode_kb,
+        flags: head.flags,
+        key_string,
+        main_key_pos: 0,
+        source: source.to_string(),
+        wolf: None,
+        chacha: None,
+    })
+}
+
+pub(crate) fn try_encrypted_v8_header_layout(
+    data: &[u8],
+    key: [u8; KEY_BYTES],
+    key_string: Vec<u8>,
+    plain: DxHead,
+    label: &str,
+) -> Option<Layout> {
+    if data.len() < 64 {
+        return None;
+    }
+
+    for pos in 0..KEY_BYTES {
+        let mut head_buf = data[..64].to_vec();
+        key_conv(&mut head_buf[8..64], &key, pos);
+        let head = parse_full_head(&head_buf).ok()?;
+        if head.head == plain.head
+            && head.version == plain.version
+            && head.head_size == plain.head_size
+            && plausible_head(&head, data.len())
+        {
+            let source = format!("encrypted-v8-header-{label}-pos{pos}");
+            if let Some(layout) = try_official_layout(data, key, key_string.clone(), head, &source)
+            {
+                return Some(layout);
+            }
+        }
+    }
+
+    None
+}
+
+pub(crate) fn try_wolf_newcrypt_layout(
+    data: &[u8],
+    _key: [u8; KEY_BYTES],
+    key_string: Vec<u8>,
+    plain: DxHead,
+    label: &str,
+) -> Option<Layout> {
+    if data.len() < 64 {
+        return None;
+    }
+
+    let raw_head = parse_full_head(data).ok()?;
+    let crypt_version = (raw_head.flags >> 16) as u16;
+    if !is_new_wolf_crypt(crypt_version) || !candidate_matches_wolf_version(label, crypt_version) {
+        return None;
+    }
+    let debug = std::env::var_os("WOLF_DEBUG").is_some();
+
+    let mut pwd = [0u8; 15];
+    pwd.copy_from_slice(data.get(49..64)?);
+
+    let mut head_buf = data[..64].to_vec();
+    wolf_crypt_addresses(&mut head_buf, &pwd, crypt_version);
+    let head = parse_full_head(&head_buf).ok()?;
+    if debug {
+        eprintln!(
+            "newcrypt {label}: raw_cv=0x{crypt_version:04x} head_size={} data_start={} name_start={} file_start={} dir_start={} flags=0x{:08x} huff_kb={}",
+            head.head_size,
+            head.data_start,
+            head.name_table_start,
+            head.file_table_start,
+            head.directory_table_start,
+            head.flags,
+            head.huffman_encode_kb
+        );
+    }
+    if head.head != plain.head
+        || head.version != plain.version
+        || head.head_size != plain.head_size
+        || !plausible_head(&head, data.len())
+    {
+        return None;
+    }
+
+    let ctx = WolfContext {
+        crypt_version,
+        other_key: wolf_init_key(crypt_version, &pwd, None, true, &key_string),
+        special_key: wolf_init_key(crypt_version, &pwd, None, false, &key_string),
+        aes_round_key: wolf_aes_init_round_key(&pwd, None, crypt_version),
+        body_size: wolf_aes_body_size(data.len(), crypt_version, &pwd, None),
+        name_table_start: head.name_table_start as usize,
+    };
+
+    let table = read_wolf_table(data, &head, &ctx)?;
+    if debug {
+        eprintln!(
+            "newcrypt {label}: table len={} first={}",
+            table.len(),
+            hex(&table[..table.len().min(16)])
+        );
+        if let Some(root) = parse_directory_at(&table, head.directory_table_start as usize) {
+            eprintln!(
+                "newcrypt {label}: root dir_addr={} parent={:016x} file_num={} file_addr={}",
+                root.directory_addr, root.parent_addr, root.file_head_num, root.file_head_addr
+            );
+        }
+        if let Some(first_file) = parse_file_head_at(&table, head.file_table_start as usize) {
+            eprintln!(
+                "newcrypt {label}: first file name={} attrs={:x} data={} size={} press={} huff={}",
+                first_file.name_addr,
+                first_file.attrs,
+                first_file.data_addr,
+                first_file.data_size,
+                first_file.press_size,
+                first_file.huff_size
+            );
+        }
+    }
+    validate_table(
+        &table,
+        head.file_table_start as usize,
+        head.directory_table_start as usize,
+    )?;
+
+    Some(Layout {
+        table,
+        data_start: head.data_start,
+        file_table_start: head.file_table_start as usize,
+        directory_table_start: head.directory_table_start as usize,
+        huffman_encode_kb: head.huffman_encode_kb,
+        flags: head.flags,
+        key_string,
+        main_key_pos: 0,
+        source: format!("wolf-newcrypt-v{crypt_version:x}-{label}"),
+        wolf: Some(ctx),
+        chacha: None,
+    })
+}
+
+pub(crate) fn try_front_loaded_layout(
+    data: &[u8],
+    key: [u8; KEY_BYTES],
+    key_string: Vec<u8>,
+    head: DxHead,
+) -> Option<Layout> {
+    let block_size = head.head_size as usize;
+    let block = data.get(8..8usize.checked_add(block_size)?)?;
+
+    for pos in 0..KEY_BYTES {
+        let mut decoded = block.to_vec();
+        key_conv(&mut decoded, &key, pos);
+
+        let candidates = front_table_candidates(&decoded);
+        for (table, source_suffix) in candidates {
+            if let Some(layout) = infer_front_layout(
+                &table,
+                data.len(),
+                block_size,
+                key_string.clone(),
+                pos,
+                &source_suffix,
+            ) {
+                return Some(layout);
+            }
+        }
+    }
+
+    None
+}
+
+pub(crate) fn front_table_candidates(decoded: &[u8]) -> Vec<(Vec<u8>, String)> {
+    let mut out = Vec::new();
+
+    out.push((decoded.to_vec(), "xor-direct".to_string()));
+
+    if let Ok(lz) = dxa_decode(decoded) {
+        out.push((lz, "xor-lz".to_string()));
+    }
+
+    if let Ok(huff) = huffman_decode(decoded) {
+        out.push((huff.clone(), "xor-huff".to_string()));
+        if let Ok(lz) = dxa_decode(&huff) {
+            out.push((lz, "xor-huff-lz".to_string()));
+        }
+    }
+
+    out
+}
+
+pub(crate) fn infer_front_layout(
+    table: &[u8],
+    archive_len: usize,
+    block_size: usize,
+    key_string: Vec<u8>,
+    pos: usize,
+    suffix: &str,
+) -> Option<Layout> {
+    if table.len() < 32 {
+        return None;
+    }
+
+    let data_start = 8u64 + block_size as u64;
+
+    let mut offset_pairs = Vec::new();
+
+    if table.len() >= 64 {
+        let h = parse_full_head(table).ok()?;
+        if h.head == DX_HEAD
+            && h.version == DX_VER_8
+            && plausible_table_offsets(
+                table,
+                h.file_table_start as usize,
+                h.directory_table_start as usize,
+            )
+        {
+            offset_pairs.push((
+                64,
+                h.file_table_start as usize,
+                h.directory_table_start as usize,
+                h.huffman_encode_kb,
+                h.flags,
+                "embedded-head",
+            ));
+        }
+    }
+
+    for file_start in guess_file_table_starts(table) {
+        for dir_start in guess_directory_table_starts(table, file_start) {
+            offset_pairs.push((0, file_start, dir_start, 0xff, 0, "guessed"));
+        }
+    }
+
+    for (base, file_table_start, directory_table_start, huff_kb, flags, kind) in offset_pairs {
+        let logical_table = if base == 0 {
+            table.to_vec()
+        } else {
+            table[base..].to_vec()
+        };
+        let file_start = file_table_start
+            .checked_sub(base)
+            .unwrap_or(file_table_start);
+        let dir_start = directory_table_start
+            .checked_sub(base)
+            .unwrap_or(directory_table_start);
+        if validate_table(&logical_table, file_start, dir_start).is_some() {
+            if data_start as usize <= archive_len {
+                return Some(Layout {
+                    table: logical_table,
+                    data_start,
+                    file_table_start: file_start,
+                    directory_table_start: dir_start,
+                    huffman_encode_kb: huff_kb,
+                    flags,
+                    key_string,
+                    main_key_pos: pos,
+                    source: format!("front-loaded-{suffix}-{kind}"),
+                    wolf: None,
+                    chacha: None,
+                });
+            }
+        }
+    }
+
+    None
+}
+
+pub(crate) fn guess_file_table_starts(table: &[u8]) -> Vec<usize> {
+    let mut guesses = Vec::new();
+    let max = table.len().saturating_sub(72);
+    let mut off = 0usize;
+    while off <= max.min(0x20000) {
+        if let Some(fh) = parse_file_head_at(table, off) {
+            if fh.name_addr < table.len() as u64
+                && fh.attrs & !0x37ff == 0
+                && fh.data_size < 1u64 << 34
+                && (fh.press_size == NONE || fh.press_size <= fh.data_size + (1u64 << 30))
+                && (fh.huff_size == NONE
+                    || fh.huff_size <= fh.press_size.max(fh.data_size) + (1u64 << 30))
+            {
+                guesses.push(off);
+            }
+        }
+        off += 8;
+    }
+    guesses.sort_unstable();
+    guesses.dedup();
+    guesses
+}
+
+pub(crate) fn guess_directory_table_starts(table: &[u8], file_start: usize) -> Vec<usize> {
+    let mut guesses = Vec::new();
+    let min = file_start.saturating_add(72);
+    let max = table.len().saturating_sub(32);
+    let mut off = min;
+    while off <= max {
+        if let Some(dir) = parse_directory_at(table, off) {
+            if dir.parent_addr == NONE
+                && dir.file_head_num > 0
+                && dir.file_head_num < 500_000
+                && (file_start as u64 + dir.file_head_addr) as usize
+                    + (dir.file_head_num as usize).saturating_mul(72)
+                    <= table.len()
+            {
+                guesses.push(off);
+            }
+        }
+        off += 8;
+    }
+    guesses.sort_unstable();
+    guesses.dedup();
+    guesses
+}
+
+pub(crate) fn validate_table(
+    table: &[u8],
+    file_table_start: usize,
+    directory_table_start: usize,
+) -> Option<()> {
+    if !plausible_table_offsets(table, file_table_start, directory_table_start) {
+        return None;
+    }
+    let root = parse_directory_at(table, directory_table_start)?;
+    if root.parent_addr != NONE {
+        return None;
+    }
+    if root.file_head_num == 0 || root.file_head_num > 500_000 {
+        return None;
+    }
+    let first = file_table_start.checked_add(root.file_head_addr as usize)?;
+    let bytes = (root.file_head_num as usize).checked_mul(72)?;
+    if first.checked_add(bytes)? > table.len() {
+        return None;
+    }
+    // Sanity-check the root's file headers. The root directory lives in the table's tail,
+    // which (for an uncompressed/NO_HEAD_PRESS header) decodes plausibly even under a wrong
+    // key because it sits past the stream-overlap range. The file headers do not. So a wrong
+    // key leaves garbage `name_addr`s here, which we reject to keep the key dispatch from
+    // latching onto a wrong candidate.
+    for i in 0..root.file_head_num as usize {
+        let fh = parse_file_head_at(table, first + i * 72)?;
+        // `name_addr` outside the table is the strong wrong-key tell. Keep the press/huff
+        // check only as a coarse garbage filter. A real compressed size is bounded by the
+        // archive (well under 1 TB), while a wrong-key decode yields random ~1e19 values.
+        if fh.name_addr as usize >= table.len() {
+            return None;
+        }
+        let sane = |v: u64| v == NONE || v < (1u64 << 40);
+        if !sane(fh.press_size) || !sane(fh.huff_size) {
+            return None;
+        }
+    }
+    Some(())
+}
+
+pub(crate) fn plausible_table_offsets(
+    table: &[u8],
+    file_table_start: usize,
+    directory_table_start: usize,
+) -> bool {
+    file_table_start < table.len()
+        && directory_table_start < table.len()
+        && file_table_start % 4 == 0
+        && directory_table_start % 4 == 0
+        && file_table_start < directory_table_start
+}
+
+pub(crate) fn collect_files(layout: &Layout) -> io::Result<Vec<Entry>> {
+    let mut out = Vec::new();
+    let root = parse_directory_at(&layout.table, layout.directory_table_start)
+        .ok_or_else(|| invalid("root directory is outside table"))?;
+    collect_dir(
+        layout,
+        root,
+        layout.directory_table_start,
+        String::new(),
+        &mut out,
+    )?;
+    Ok(out)
+}
+
+pub(crate) fn collect_dir(
+    layout: &Layout,
+    dir: Directory,
+    dir_addr: usize,
+    prefix: String,
+    out: &mut Vec<Entry>,
+) -> io::Result<()> {
+    let start = layout
+        .file_table_start
+        .checked_add(dir.file_head_addr as usize)
+        .ok_or_else(|| invalid("file table address overflow"))?;
+    for i in 0..dir.file_head_num as usize {
+        let off = start + i * 72;
+        let fh = parse_file_head_at(&layout.table, off)
+            .ok_or_else(|| invalid(format!("bad file header at 0x{off:x}")))?;
+        let name = name_for(layout, fh.name_addr as usize)?;
+        if fh.attrs & FILE_ATTRIBUTE_DIRECTORY != 0 {
+            let child_addr = layout
+                .directory_table_start
+                .checked_add(fh.data_addr as usize)
+                .ok_or_else(|| invalid("directory address overflow"))?;
+            let child = parse_directory_at(&layout.table, child_addr)
+                .ok_or_else(|| invalid(format!("bad directory at 0x{child_addr:x}")))?;
+            let child_prefix = if prefix.is_empty() {
+                name
+            } else {
+                format!("{prefix}\\{name}")
+            };
+            collect_dir(layout, child, child_addr, child_prefix, out)?;
+        } else {
+            let path = if prefix.is_empty() {
+                name
+            } else {
+                format!("{prefix}\\{name}")
+            };
+            out.push(Entry {
+                path,
+                head: fh,
+                directory_addr: dir_addr,
+            });
+        }
+    }
+    Ok(())
+}
+
+pub(crate) fn name_for(layout: &Layout, name_addr: usize) -> io::Result<String> {
+    if name_addr + 4 > layout.table.len() {
+        return Err(invalid("name address outside table"));
+    }
+    let packs = read_u16(&layout.table[name_addr..]) as usize;
+    let original_start = name_addr + 4 + packs * 4;
+    if original_start >= layout.table.len() {
+        return Err(invalid("name original string outside table"));
+    }
+    let end = layout.table[original_start..]
+        .iter()
+        .position(|&b| b == 0)
+        .map(|p| original_start + p)
+        .unwrap_or(layout.table.len());
+    let raw = &layout.table[original_start..end];
+    Ok(decode_filename(raw))
+}
+
+pub(crate) fn extract_all(
+    data: &[u8],
+    layout: &Layout,
+    files: &[Entry],
+    out_dir: &Path,
+) -> io::Result<()> {
+    fs::create_dir_all(out_dir)?;
+    let mut failed = 0usize;
+    for (idx, entry) in files.iter().enumerate() {
+        // Extract resiliently. One unwritable entry (e.g. a reserved/over-long name) must not
+        // abort the whole archive. Log it and keep going so the folder is as complete as possible.
+        let res = (|| -> io::Result<()> {
+            let bytes = extract_file(data, layout, entry)?;
+            let target = out_dir.join(safe_relative_path(&entry.path));
+            if let Some(parent) = target.parent() {
+                fs::create_dir_all(parent)?;
+            }
+            fs::write(&target, bytes)
+        })();
+        if let Err(e) = res {
+            eprintln!("warning: skipping {}: {e}", entry.path);
+            failed += 1;
+        }
+        if idx % 100 == 0 {
+            println!("extracted {:5}/{} {}", idx + 1, files.len(), entry.path);
+        }
+    }
+    if failed > 0 {
+        eprintln!("extract: {failed} file(s) could not be written (see warnings above)");
+    }
+    Ok(())
+}
+
+pub(crate) fn extract_file(data: &[u8], layout: &Layout, entry: &Entry) -> io::Result<Vec<u8>> {
+    let fh = entry.head;
+    // A NO_KEY archive (flags bit 0) stores file data unencrypted, with no per-file key.
+    let no_key = (layout.flags & 1) != 0;
+    let key = if layout.wolf.is_none() && layout.chacha.is_none() && !no_key {
+        Some(file_key(layout, entry)?)
+    } else {
+        None
+    };
+    let start = layout
+        .data_start
+        .checked_add(fh.data_addr)
+        .ok_or_else(|| invalid("data address overflow"))? as usize;
+
+    if fh.press_size != NONE {
+        let press = if fh.huff_size != NONE {
+            let huff = read_layout_slice(
+                data,
+                layout,
+                start,
+                fh.huff_size as usize,
+                key.as_ref(),
+                fh.data_size,
+            )?;
+            let mut lz = huffman_decode(&huff).map_err(invalid)?;
+            if layout.huffman_encode_kb != 0xff
+                && fh.press_size > (layout.huffman_encode_kb as u64) * 1024 * 2
+            {
+                let kb = layout.huffman_encode_kb as usize * 1024;
+                let middle_len = fh.press_size as usize - kb * 2;
+                let middle_start = start + fh.huff_size as usize;
+                let mut middle = read_layout_slice(
+                    data,
+                    layout,
+                    middle_start,
+                    middle_len,
+                    key.as_ref(),
+                    fh.data_size + fh.huff_size,
+                )?;
+                let tail = lz[kb..kb * 2].to_vec();
+                lz.truncate(kb);
+                lz.append(&mut middle);
+                lz.extend_from_slice(&tail);
+            }
+            lz
+        } else {
+            read_layout_slice(
+                data,
+                layout,
+                start,
+                fh.press_size as usize,
+                key.as_ref(),
+                fh.data_size,
+            )?
+        };
+        return dxa_decode(&press).map_err(invalid);
+    }
+
+    if fh.huff_size != NONE {
+        let mut output = if layout.huffman_encode_kb != 0xff
+            && fh.data_size > (layout.huffman_encode_kb as u64) * 1024 * 2
+        {
+            let kb = layout.huffman_encode_kb as usize * 1024;
+            let huff = read_layout_slice(
+                data,
+                layout,
+                start,
+                fh.huff_size as usize,
+                key.as_ref(),
+                fh.data_size,
+            )?;
+            let mut decoded = huffman_decode(&huff).map_err(invalid)?;
+            let middle_len = fh.data_size as usize - kb * 2;
+            let middle_start = start + fh.huff_size as usize;
+            let mut middle = read_layout_slice(
+                data,
+                layout,
+                middle_start,
+                middle_len,
+                key.as_ref(),
+                fh.data_size + fh.huff_size,
+            )?;
+            let tail = decoded[kb..kb * 2].to_vec();
+            decoded.truncate(kb);
+            decoded.append(&mut middle);
+            decoded.extend_from_slice(&tail);
+            decoded
+        } else {
+            let huff = read_layout_slice(
+                data,
+                layout,
+                start,
+                fh.huff_size as usize,
+                key.as_ref(),
+                fh.data_size,
+            )?;
+            huffman_decode(&huff).map_err(invalid)?
+        };
+        output.truncate(fh.data_size as usize);
+        return Ok(output);
+    }
+
+    read_layout_slice(
+        data,
+        layout,
+        start,
+        fh.data_size as usize,
+        key.as_ref(),
+        fh.data_size,
+    )
+}
+
+pub(crate) fn read_layout_slice(
+    data: &[u8],
+    layout: &Layout,
+    start: usize,
+    len: usize,
+    key: Option<&[u8; KEY_BYTES]>,
+    pos: u64,
+) -> io::Result<Vec<u8>> {
+    let end = start
+        .checked_add(len)
+        .ok_or_else(|| invalid("slice address overflow"))?;
+    if end > data.len() {
+        return Err(invalid("file data outside archive"));
+    }
+
+    let mut out = if let Some(wolf) = &layout.wolf {
+        read_wolf_archive_slice(data, start, len, wolf)
+            .ok_or_else(|| invalid("file data outside archive"))?
+    } else {
+        data[start..end].to_vec()
+    };
+
+    if let Some(wolf) = &layout.wolf {
+        if (layout.flags & 1) == 0 {
+            wolf_crypt(
+                &wolf.special_key,
+                &mut out,
+                pos as usize,
+                wolf.crypt_version,
+            );
+        }
+    } else if let Some((ck, cn)) = &layout.chacha {
+        chacha20::crypt(&mut out, ck, cn, pos as u32);
+    } else if let Some(key) = key {
+        key_conv(&mut out, key, (pos as usize) % KEY_BYTES);
+    }
+    Ok(out)
+}
+
+pub(crate) fn file_key(layout: &Layout, entry: &Entry) -> io::Result<[u8; KEY_BYTES]> {
+    let mut key_string = Vec::new();
+    key_string.extend_from_slice(nul_terminated(&layout.key_string));
+
+    let file_name = raw_search_name(layout, entry.head.name_addr as usize)?;
+    key_string.extend_from_slice(file_name);
+
+    let mut dir = parse_directory_at(&layout.table, entry.directory_addr)
+        .ok_or_else(|| invalid("entry directory is outside table"))?;
+    while dir.parent_addr != NONE {
+        let dir_fh_addr = layout
+            .file_table_start
+            .checked_add(dir.directory_addr as usize)
+            .ok_or_else(|| invalid("directory file header overflow"))?;
+        let dir_fh = parse_file_head_at(&layout.table, dir_fh_addr)
+            .ok_or_else(|| invalid("directory file header outside table"))?;
+        key_string.extend_from_slice(raw_search_name(layout, dir_fh.name_addr as usize)?);
+        let parent_addr = layout
+            .directory_table_start
+            .checked_add(dir.parent_addr as usize)
+            .ok_or_else(|| invalid("parent directory overflow"))?;
+        dir = parse_directory_at(&layout.table, parent_addr)
+            .ok_or_else(|| invalid("parent directory outside table"))?;
+    }
+
+    Ok(key_create(&key_string))
+}
+
+/// The "search" name (uppercased, stored at `NameAddress + 4`). This is the form DXArchive's
+/// `CreateKeyFileString` uses to build per-file keys. Distinct from the original display
+/// name (at `+ 4 + packs*4`).
+pub(crate) fn raw_search_name(layout: &Layout, name_addr: usize) -> io::Result<&[u8]> {
+    let start = name_addr
+        .checked_add(4)
+        .ok_or_else(|| invalid("search name overflow"))?;
+    if start > layout.table.len() {
+        return Err(invalid("search name outside table"));
+    }
+    let end = layout.table[start..]
+        .iter()
+        .position(|&b| b == 0)
+        .map(|p| start + p)
+        .unwrap_or(layout.table.len());
+    Ok(&layout.table[start..end])
+}
+
+pub(crate) fn parse_head_prefix(data: &[u8]) -> io::Result<DxHead> {
+    if data.len() < 8 {
+        return Err(invalid("missing header"));
+    }
+    Ok(DxHead {
+        head: read_u16(data),
+        version: read_u16(&data[2..]),
+        head_size: read_u32(&data[4..]),
+        data_start: 0,
+        name_table_start: 0,
+        file_table_start: 0,
+        directory_table_start: 0,
+        char_code_format: 0,
+        flags: 0,
+        huffman_encode_kb: 0xff,
+    })
+}
+
+pub(crate) fn parse_full_head(data: &[u8]) -> io::Result<DxHead> {
+    if data.len() < 64 {
+        return Err(invalid("missing full header"));
+    }
+    Ok(DxHead {
+        head: read_u16(data),
+        version: read_u16(&data[2..]),
+        head_size: read_u32(&data[4..]),
+        data_start: read_u64(&data[8..]),
+        name_table_start: read_u64(&data[16..]),
+        file_table_start: read_u64(&data[24..]),
+        directory_table_start: read_u64(&data[32..]),
+        char_code_format: read_u32(&data[40..]),
+        flags: read_u32(&data[44..]),
+        huffman_encode_kb: data[48],
+    })
+}
+
+pub(crate) fn parse_file_head_at(table: &[u8], off: usize) -> Option<FileHead> {
+    let b = table.get(off..off.checked_add(72)?)?;
+    Some(FileHead {
+        name_addr: read_u64(b),
+        attrs: read_u64(&b[8..]),
+        data_addr: read_u64(&b[40..]),
+        data_size: read_u64(&b[48..]),
+        press_size: read_u64(&b[56..]),
+        huff_size: read_u64(&b[64..]),
+    })
+}
+
+pub(crate) fn parse_directory_at(table: &[u8], off: usize) -> Option<Directory> {
+    let b = table.get(off..off.checked_add(32)?)?;
+    Some(Directory {
+        directory_addr: read_u64(b),
+        parent_addr: read_u64(&b[8..]),
+        file_head_num: read_u64(&b[16..]),
+        file_head_addr: read_u64(&b[24..]),
+    })
+}
+
+pub(crate) fn plausible_head(head: &DxHead, file_len: usize) -> bool {
+    head.head == DX_HEAD
+        && head.version == DX_VER_8
+        && head.head_size > 0
+        && head.head_size as usize <= file_len
+        && head.data_start < file_len as u64
+        && head.name_table_start < file_len as u64
+        && head.file_table_start < head.head_size as u64
+        && head.directory_table_start < head.head_size as u64
+        && head.file_table_start < head.directory_table_start
+        && head.char_code_format < 100_000
+}
diff --git a/util/wolfdawn-master/crates/wolf-archive/src/lib.rs b/util/wolfdawn-master/crates/wolf-archive/src/lib.rs
new file mode 100644
index 0000000..5c03dbd
--- /dev/null
+++ b/util/wolfdawn-master/crates/wolf-archive/src/lib.rs
@@ -0,0 +1,289 @@
+//! `wolf-archive`: Wolf RPG `Data.wolf` archives. Unpacks every DXArchive variant Wolf uses.
+//!
+//! Public API: [`extract_archive`] / [`list_archive`] / [`extract_one`] (bytes to files) and
+//! the CLI [`run`]. The format and crypto live in submodules: [`dxarchive`] (the v8 container
+//! plus key dispatch), [`crypto`] (WolfPro stream plus AES), [`codec`] (Huffman plus LZSS),
+//! [`dxarc_v2`] (the old VER5/VER6 archives), and [`chacha20`].
+
+use std::fs;
+use std::io::{self, Read};
+use std::path::PathBuf;
+
+pub mod chacha20;
+mod codec;
+mod crypto;
+pub mod dxarc_v2;
+mod dxarchive;
+pub mod pack;
+
+pub use dxarc_v2::{pack_ver5, pack_ver6};
+pub use pack::{archive_crypt_params, pack_chacha, pack_encrypted, pack_newcrypt, pack_plaintext};
+
+use crypto::*;
+use dxarchive::*;
+
+pub(crate) const DX_HEAD: u16 = 0x5844;
+pub(crate) const DX_VER_8: u16 = 0x0008;
+pub(crate) const KEY_BYTES: usize = 7;
+pub(crate) const NONE: u64 = u64::MAX;
+pub(crate) const FILE_ATTRIBUTE_DIRECTORY: u64 = 0x10;
+pub const DEFAULT_WOLF_PRO_KEY: &[u8] = b"WLFRPrO!p(;s5((8P@((UFWlu$#5(=";
+pub(crate) const DEFAULT_DXLIB_KEY: &[u8] = b"DXBDXARC";
+pub(crate) const DEFAULT_OLD_WOLF_KEY: &[u8] = b"8P@(rO!p;s5";
+pub(crate) const DEFAULT_WOLF_V310_KEY: &[u8] = &[
+    0x0f, 0x53, 0xe1, 0x3e, 0x8e, 0xb5, 0x41, 0x91, 0x52, 0x16, 0x55, 0xae, 0x34, 0xc9, 0x8f, 0x79,
+    0x59, 0x2f, 0x59, 0x6b, 0x95, 0x19, 0x9b, 0x1b, 0x35, 0x9a, 0x2f, 0xde, 0xc9, 0x7c, 0x12, 0x96,
+    0xc3, 0x14, 0xb5, 0x0f, 0x53, 0xe1, 0x3e, 0x8e, 0x00,
+];
+pub(crate) const DEFAULT_WOLF_V3173_KEY: &[u8] = &[
+    0x31, 0xf9, 0x01, 0x36, 0xa3, 0xe3, 0x8d, 0x3c, 0x7b, 0xc3, 0x7d, 0x25, 0xad, 0x63, 0x28, 0x19,
+    0x1b, 0xf7, 0x8e, 0x6c, 0xc4, 0xe5, 0xe2, 0x76, 0x82, 0xea, 0x4f, 0xed, 0x61, 0xda, 0xe0, 0x44,
+    0x5b, 0xb6, 0x46, 0x3b, 0x06, 0xd5, 0xce, 0xb6, 0x78, 0x58, 0xd0, 0x7c, 0x82, 0x00,
+];
+pub(crate) const DEFAULT_WOLF_V331_KEY: &[u8] = &[
+    0xca, 0x08, 0x4c, 0x5d, 0x17, 0x0d, 0xda, 0xa1, 0xd7, 0x27, 0xc8, 0x41, 0x54, 0x38, 0x82, 0x32,
+    0x54, 0xb7, 0xf9, 0x46, 0x8e, 0x13, 0x6b, 0xca, 0xd0, 0x5c, 0x95, 0x95, 0xe2, 0xdc, 0x03, 0x53,
+    0x60, 0x9b, 0x4a, 0x38, 0x17, 0xf3, 0x69, 0x59, 0xa4, 0xc7, 0x9a, 0x43, 0x63, 0xe6, 0x54, 0xaf,
+    0xdb, 0xbb, 0x43, 0x58, 0x00,
+];
+pub(crate) const DEFAULT_WOLF_V350_KEY: &[u8] = &[
+    0xd2, 0x84, 0xce, 0x28, 0xce, 0x88, 0x82, 0xe4, 0x2a, 0x18, 0x2e, 0x4c, 0x06, 0xb4, 0xea, 0x84,
+    0x06, 0xb8, 0xc6, 0x88, 0x5a, 0xa0, 0x9e, 0x7c, 0x56, 0x40, 0xba, 0x34, 0x52, 0xcc, 0xc6, 0x7c,
+    0x2e, 0x14, 0x12, 0x68, 0xfe, 0x5c, 0x76, 0x94, 0x86, 0x78, 0x8e, 0x4c, 0xbe, 0x88, 0x66, 0x9c,
+    0x1e, 0xe0, 0x8e, 0x6c, 0x00,
+];
+pub(crate) const DEFAULT_WOLF_CHACHA2_KEY: &[u8] = &[
+    0xc9, 0x82, 0xf8, 0xb4, 0x2c, 0x93, 0x9e, 0x83, 0x0e, 0xbc, 0xbc, 0x92, 0x68, 0x8d, 0x59, 0xa1,
+    0x4a, 0x9e, 0x7f, 0xb0, 0xac, 0xaf, 0x1d, 0x8f, 0x8e, 0xb8, 0x3b, 0x9e, 0xe8, 0x89, 0xd9, 0xad,
+    0xff, 0xbc, 0x2d, 0xab, 0x9d, 0x8b, 0x0f, 0xb4, 0xbb, 0x9a, 0x69, 0x85, 0x00,
+];
+pub(crate) const DEFAULT_ONE_WAY_KEY: &[u8] = b"nGui9('&1=@3#a";
+pub(crate) const DEFAULT_ONE_WAY_FULL_KEY: &[u8] = b"Ph=X3^]o2A(,1=@3#a";
+pub(crate) const MAX_DECODE_SIZE: usize = 2 * 1024 * 1024 * 1024;
+pub(crate) const AES_KEY_EXP_SIZE: usize = 176;
+pub(crate) const AES_IV_SIZE: usize = 16;
+pub(crate) const AES_ROUND_KEY_SIZE: usize = AES_KEY_EXP_SIZE + AES_IV_SIZE;
+pub(crate) const AES_BLOCK_LEN: usize = 16;
+#[derive(Clone, Copy, Debug)]
+pub(crate) struct DxHead {
+    pub(crate) head: u16,
+    pub(crate) version: u16,
+    pub(crate) head_size: u32,
+    pub(crate) data_start: u64,
+    pub(crate) name_table_start: u64,
+    pub(crate) file_table_start: u64,
+    pub(crate) directory_table_start: u64,
+    pub(crate) char_code_format: u32,
+    pub(crate) flags: u32,
+    pub(crate) huffman_encode_kb: u8,
+}
+
+#[derive(Clone, Copy, Debug)]
+pub(crate) struct FileHead {
+    pub(crate) name_addr: u64,
+    pub(crate) attrs: u64,
+    pub(crate) data_addr: u64,
+    pub(crate) data_size: u64,
+    pub(crate) press_size: u64,
+    pub(crate) huff_size: u64,
+}
+
+#[derive(Clone, Copy, Debug)]
+pub(crate) struct Directory {
+    pub(crate) directory_addr: u64,
+    pub(crate) parent_addr: u64,
+    pub(crate) file_head_num: u64,
+    pub(crate) file_head_addr: u64,
+}
+
+#[derive(Debug)]
+pub(crate) struct Layout {
+    pub(crate) table: Vec<u8>,
+    pub(crate) data_start: u64,
+    pub(crate) file_table_start: usize,
+    pub(crate) directory_table_start: usize,
+    pub(crate) huffman_encode_kb: u8,
+    pub(crate) flags: u32,
+    pub(crate) key_string: Vec<u8>,
+    pub(crate) main_key_pos: usize,
+    pub(crate) source: String,
+    pub(crate) wolf: Option<WolfContext>,
+    /// ChaCha20 (key, nonce) for "ChaCha2" archives (cryptVersion 0x64 / 0xC8).
+    pub(crate) chacha: Option<([u8; 32], [u8; 12])>,
+}
+
+#[derive(Clone, Debug)]
+pub(crate) struct WolfContext {
+    pub(crate) crypt_version: u16,
+    pub(crate) other_key: [u8; 768],
+    pub(crate) special_key: [u8; 768],
+    pub(crate) aes_round_key: [u8; AES_ROUND_KEY_SIZE],
+    pub(crate) body_size: usize,
+    pub(crate) name_table_start: usize,
+}
+
+/// `key_string` is the WolfPro key seed (use [`DEFAULT_WOLF_PRO_KEY`] when unknown).
+pub fn extract_archive(data: &[u8], key_string: &[u8]) -> io::Result<Vec<(String, Vec<u8>)>> {
+    let layout = match detect_layout(data, key_string) {
+        Ok(l) => l,
+        // Fall back to the old DXArchive VER5/VER6 format (Wolf 2.0x).
+        Err(e) => return dxarc_v2::try_extract(data).ok_or(e),
+    };
+    let files = collect_files(&layout)?;
+    let mut out = Vec::with_capacity(files.len());
+    for entry in &files {
+        let bytes = extract_file(data, &layout, entry)?;
+        out.push((entry.path.clone(), bytes));
+    }
+    Ok(out)
+}
+
+/// List archive file paths. Decodes only the tables, not file contents, so it stays cheap
+/// even for multi-GB archives.
+pub fn list_archive(data: &[u8], key_string: &[u8]) -> io::Result<Vec<String>> {
+    match detect_layout(data, key_string) {
+        Ok(layout) => Ok(collect_files(&layout)?
+            .into_iter()
+            .map(|e| e.path)
+            .collect()),
+        Err(e) => dxarc_v2::try_extract(data)
+            .map(|f| f.into_iter().map(|(p, _)| p).collect())
+            .ok_or(e),
+    }
+}
+
+/// Extract a single file by its `\\`-separated archive path, decoding only that file.
+pub fn extract_one(data: &[u8], key_string: &[u8], path: &str) -> io::Result<Option<Vec<u8>>> {
+    let layout = match detect_layout(data, key_string) {
+        Ok(l) => l,
+        Err(e) => {
+            return match dxarc_v2::try_extract(data) {
+                Some(files) => Ok(files.into_iter().find(|(p, _)| p == path).map(|(_, c)| c)),
+                None => Err(e),
+            }
+        }
+    };
+    let files = collect_files(&layout)?;
+    match files.iter().find(|e| e.path == path) {
+        Some(e) => Ok(Some(extract_file(data, &layout, e)?)),
+        None => Ok(None),
+    }
+}
+
+/// CLI entry point: `wolf-unpack <Data.wolf> [output_dir] [key_string]`. Traces the head-table
+/// decode with `key_string` and optionally extracts.
+pub fn run(args: &[String]) -> io::Result<()> {
+    if args.len() < 2 {
+        eprintln!("usage: wolf-unpack <Data.wolf> [output_dir] [key_string]");
+        std::process::exit(2);
+    }
+
+    let archive_path = PathBuf::from(&args[1]);
+    let out_dir = args.get(2).map(PathBuf::from);
+    let key_string = args
+        .get(3)
+        .map(|s| s.as_bytes().to_vec())
+        .unwrap_or_else(|| DEFAULT_WOLF_PRO_KEY.to_vec());
+
+    let mut data = Vec::new();
+    fs::File::open(&archive_path)?.read_to_end(&mut data)?;
+
+    let key = key_create(&key_string);
+    println!("archive: {}", archive_path.display());
+    println!("key: {}", hex(&key));
+
+    let layout = detect_layout(&data, &key_string)?;
+    println!("layout: {}", layout.source);
+    println!(
+        "table={} data_start={} file_table={} dir_table={} huff_kb={} flags=0x{:08x} key_pos={}",
+        layout.table.len(),
+        layout.data_start,
+        layout.file_table_start,
+        layout.directory_table_start,
+        layout.huffman_encode_kb,
+        layout.flags,
+        layout.main_key_pos
+    );
+
+    let files = collect_files(&layout)?;
+    println!("files: {}", files.len());
+    for (i, entry) in files.iter().take(20).enumerate() {
+        println!(
+            "{:5} {:10} {:10} {:10} {}",
+            i,
+            entry.head.data_size,
+            display_opt_size(entry.head.press_size),
+            display_opt_size(entry.head.huff_size),
+            entry.path
+        );
+    }
+
+    if let Some(out_dir) = out_dir {
+        extract_all(&data, &layout, &files, &out_dir)?;
+        println!("extracted to {}", out_dir.display());
+    }
+
+    Ok(())
+}
+pub(crate) fn read_u16(b: &[u8]) -> u16 {
+    u16::from_le_bytes([b[0], b[1]])
+}
+
+pub(crate) fn read_u32(b: &[u8]) -> u32 {
+    u32::from_le_bytes([b[0], b[1], b[2], b[3]])
+}
+
+pub(crate) fn read_u64(b: &[u8]) -> u64 {
+    u64::from_le_bytes([b[0], b[1], b[2], b[3], b[4], b[5], b[6], b[7]])
+}
+
+pub(crate) fn decode_filename(raw: &[u8]) -> String {
+    // Archive filenames are ASCII/UTF-8 in newer (3.x) Wolf builds and Shift-JIS in older
+    // Japanese ones. A lossy UTF-8 decode turns SJIS lead bytes into U+FFFD while leaving
+    // their trailing bytes (e.g. 0x7C `|`, 0x3C `<`) as literal ASCII. Those are invalid in
+    // Windows paths (ERROR_INVALID_NAME) and abort the unpack. Decode as Shift-JIS whenever
+    // the bytes are not already valid UTF-8.
+    let s = match std::str::from_utf8(raw) {
+        Ok(s) => std::borrow::Cow::Borrowed(s),
+        Err(_) => encoding_rs::SHIFT_JIS.decode(raw).0,
+    };
+    s.replace('/', "\\")
+}
+
+pub(crate) fn safe_relative_path(path: &str) -> PathBuf {
+    let mut out = PathBuf::new();
+    for part in path.split(['\\', '/']) {
+        if part.is_empty() || part == "." || part == ".." {
+            continue;
+        }
+        let cleaned: String = part
+            .chars()
+            .map(|c| match c {
+                '<' | '>' | ':' | '"' | '|' | '?' | '*' => '_',
+                _ => c,
+            })
+            .collect();
+        out.push(cleaned);
+    }
+    out
+}
+
+pub(crate) fn display_opt_size(v: u64) -> String {
+    if v == NONE {
+        "-".to_string()
+    } else {
+        v.to_string()
+    }
+}
+
+pub(crate) fn hex(bytes: &[u8]) -> String {
+    bytes
+        .iter()
+        .map(|b| format!("{b:02X}"))
+        .collect::<Vec<_>>()
+        .join("")
+}
+
+pub(crate) fn invalid<E: std::fmt::Display>(msg: E) -> io::Error {
+    io::Error::new(io::ErrorKind::InvalidData, msg.to_string())
+}
diff --git a/util/wolfdawn-master/crates/wolf-archive/src/pack.rs b/util/wolfdawn-master/crates/wolf-archive/src/pack.rs
new file mode 100644
index 0000000..7d38fd5
--- /dev/null
+++ b/util/wolfdawn-master/crates/wolf-archive/src/pack.rs
@@ -0,0 +1,527 @@
+//! DXArchive (VER8) writer: the inverse of [`crate::dxarchive`].
+//!
+//! Produces a `.wolf` the engine loads (DXLib's `NO_HEAD_PRESS` mode, plus `NO_KEY` for the
+//! plaintext variant) that our own extractor round-trips byte-for-byte. Follows DXLib's
+//! `EncodeArchive`/`DirectoryEncode` address semantics (root self-filehead, per-directory
+//! contiguous file runs, name-table parity), so the container is a real DXArchive. Re-encryption
+//! per `cryptVersion` layers on top of the plaintext build, reusing the reader's symmetric
+//! decrypt as the encrypt.
+//!
+//! ## Known deviations from an editor-produced archive (do not affect loading)
+//! * Filenames are stored as UTF-8 bytes with the header declaring codepage 932. For the
+//!   all-ASCII paths Wolf uses internally (`Game.dat`, `MapData/Map001.mps`, …) UTF-8 == SJIS,
+//!   so this is exact. A non-ASCII filename would need Shift-JIS encoding to match the
+//!   engine's `packNum`/parity file search, which is not yet done (this crate is
+//!   zero-dependency).
+//! * Inter-file 4-byte alignment padding is written as plaintext zeros (the reader reads
+//!   exactly `data_size` and ignores it). DXLib keys the padded length. So the archive
+//!   round-trips through our reader and loads, but is not byte-identical to the editor's.
+
+use std::collections::BTreeMap;
+
+use crate::crypto::{
+    key_conv, key_create, read_wolf_archive_slice, wolf_aes_body_size, wolf_aes_init_round_key,
+    wolf_crypt, wolf_crypt_addresses, wolf_init_key,
+};
+use crate::dxarchive::{collect_files, file_key, parse_full_head};
+use crate::{
+    Layout, WolfContext, DEFAULT_WOLF_V310_KEY, DEFAULT_WOLF_V3173_KEY, DEFAULT_WOLF_V331_KEY,
+    DEFAULT_WOLF_V350_KEY, KEY_BYTES,
+};
+
+const HEADER_SIZE: usize = 64;
+const FILEHEAD_SIZE: usize = 72;
+const NONE: u64 = u64::MAX;
+
+const DX_HEAD: u16 = 0x5844; // *(u16*)"DX"
+const DX_VER_8: u16 = 0x0008;
+const FLAG_NO_KEY: u32 = 0x01;
+const FLAG_NO_HEAD_PRESS: u32 = 0x02;
+const CHAR_CODE_SJIS: u32 = 0x3A4; // codepage 932
+const ATTR_DIRECTORY: u64 = 0x10;
+const ATTR_ARCHIVE: u64 = 0x20;
+
+/// A directory node built from the flat path list (references the caller's file bytes).
+/// Shared with the VER5/VER6 encoder ([`crate::dxarc_v2::encode`]).
+#[derive(Default)]
+pub(crate) struct Node<'a> {
+    pub(crate) dirs: BTreeMap<String, Node<'a>>,
+    pub(crate) files: BTreeMap<String, &'a [u8]>,
+}
+
+impl<'a> Node<'a> {
+    pub(crate) fn entry_count(&self) -> usize {
+        self.dirs.len() + self.files.len()
+    }
+
+    pub(crate) fn insert(&mut self, parts: &[&str], data: &'a [u8]) {
+        match parts {
+            [] => {}
+            [name] => {
+                self.files.insert((*name).to_string(), data);
+            }
+            [dir, rest @ ..] => {
+                self.dirs
+                    .entry((*dir).to_string())
+                    .or_default()
+                    .insert(rest, data);
+            }
+        }
+    }
+}
+
+/// The four growing sections of a DXArchive (mirrors DXLib's `SIZESAVE` + buffers).
+#[derive(Default)]
+struct Build {
+    name: Vec<u8>,
+    file: Vec<u8>,
+    dir: Vec<u8>,
+    data: Vec<u8>,
+}
+
+/// Pack a flat `(path, bytes)` list into an unencrypted, uncompressed `.wolf` archive.
+/// Paths may use `/` or `\` separators. Returns the archive bytes. Errors only if the list
+/// is empty (DXArchive requires at least one entry under the root).
+pub fn pack_plaintext(files: &[(String, Vec<u8>)]) -> Result<Vec<u8>, String> {
+    if files.is_empty() {
+        return Err("cannot pack an empty file list".to_string());
+    }
+
+    let mut root = Node::default();
+    for (path, data) in files {
+        let parts: Vec<&str> = path.split(['\\', '/']).filter(|s| !s.is_empty()).collect();
+        if parts.is_empty() {
+            return Err(format!("invalid (empty) path in file list: {path:?}"));
+        }
+        root.insert(&parts, data);
+    }
+
+    let mut b = Build::default();
+
+    // Root self-filehead (empty name) at file-table offset 0, root DARC_DIRECTORY at dir
+    // offset 0 (parent = NONE). Mirrors DXLib's EncodeArchive root setup.
+    add_filename(&mut b.name, ""); // name_address 0
+    b.file.resize(FILEHEAD_SIZE, 0);
+    write_filehead(&mut b.file, 0, 0, ATTR_DIRECTORY, 0, 0);
+
+    let root_num = root.entry_count() as u64;
+    let root_fha = b.file.len() as u64; // = 72
+    append_directory(&mut b.dir, 0, NONE, root_num, root_fha);
+    b.file
+        .resize(b.file.len() + FILEHEAD_SIZE * root_num as usize, 0);
+
+    encode_children(&mut b, &root, root_fha, 0);
+
+    // Assemble: HEADER | file data | name table | file table | directory table.
+    let head_size = b.name.len() + b.file.len() + b.dir.len();
+    let mut out = Vec::with_capacity(HEADER_SIZE + b.data.len() + head_size);
+    write_header(
+        &mut out,
+        head_size as u32,
+        (HEADER_SIZE + b.data.len()) as u64,  // name_table_start
+        b.name.len() as u64,                  // file_table_start (rel to name table)
+        (b.name.len() + b.file.len()) as u64, // directory_table_start (rel)
+    );
+    out.extend_from_slice(&b.data);
+    out.extend_from_slice(&b.name);
+    out.extend_from_slice(&b.file);
+    out.extend_from_slice(&b.dir);
+    Ok(out)
+}
+
+/// Re-encrypt a directory into a keyed VER8 archive for a known cryptVersion (v3.00 = `0x12C`,
+/// v3.14 = `0x13A`). Every Wolf cipher is symmetric (XOR-stream), so we build the plaintext
+/// container then apply the same `key_conv` the reader undoes. The 64-byte header stays
+/// plaintext (only `Flags` is patched), the table block and each file's data are keyed, and
+/// `NO_HEAD_PRESS` keeps the header uncompressed so no Huffman encoder is needed. The output
+/// decodes through our own deterministic dispatch (see the module-level note for the minor
+/// deviations from an editor-produced archive).
+pub fn pack_encrypted(files: &[(String, Vec<u8>)], crypt_version: u16) -> Result<Vec<u8>, String> {
+    let key_string: &[u8] = match crypt_version {
+        0x12C => DEFAULT_WOLF_V310_KEY,  // Wolf v3.00
+        0x13A => DEFAULT_WOLF_V3173_KEY, // Wolf v3.14
+        _ => {
+            return Err(format!(
+                "unsupported encrypt cryptVersion {crypt_version:#x} \
+                 (supported: 0x12c=v3.00, 0x13a=v3.14)"
+            ))
+        }
+    };
+
+    let mut out = pack_plaintext(files)?;
+    let head = parse_full_head(&out).map_err(|e| e.to_string())?;
+    let name_start = head.name_table_start as usize;
+    let head_size = head.head_size as usize;
+    let data_start = head.data_start;
+
+    // A reader Layout over the RAW (still-plaintext) table, so per-file keys are computed
+    // from the same name table the reader will see after it decrypts.
+    let layout = Layout {
+        table: out[name_start..name_start + head_size].to_vec(),
+        data_start,
+        file_table_start: head.file_table_start as usize,
+        directory_table_start: head.directory_table_start as usize,
+        huffman_encode_kb: head.huffman_encode_kb,
+        flags: head.flags,
+        key_string: key_string.to_vec(),
+        main_key_pos: 0,
+        source: "encrypt".to_string(),
+        wolf: None,
+        chacha: None,
+    };
+    let entries = collect_files(&layout).map_err(|e| e.to_string())?;
+
+    // Encrypt each file's data with its per-file key, at the same start offset the reader
+    // uses (`data_size % KEY_BYTES`).
+    for entry in &entries {
+        let key = file_key(&layout, entry).map_err(|e| e.to_string())?;
+        let start = (data_start + entry.head.data_addr) as usize;
+        let len = entry.head.data_size as usize;
+        key_conv(&mut out[start..start + len], &key, len % KEY_BYTES);
+    }
+
+    // Encrypt the table block (header stays plaintext) and patch Flags (clears NO_KEY).
+    key_conv(
+        &mut out[name_start..name_start + head_size],
+        &key_create(key_string),
+        0,
+    );
+    let flags = ((crypt_version as u32) << 16) | FLAG_NO_HEAD_PRESS;
+    out[44..48].copy_from_slice(&flags.to_le_bytes());
+
+    Ok(out)
+}
+
+/// Re-encrypt into a "ChaCha2" archive (cryptVersion `0x64`). The header stays plaintext, the
+/// table and each file's data are ChaCha20-keyed with the fixed chacha2 key/nonce (position 0
+/// for the table, `data_size` for each file, matching our decoder). ChaCha20 is symmetric, so
+/// this is again the reader's decode applied to plaintext. Self-consistent with our extractor.
+/// The ChaCha2 decode path itself is unverified against a real ChaCha2 game (none in the
+/// corpus).
+pub fn pack_chacha(files: &[(String, Vec<u8>)]) -> Result<Vec<u8>, String> {
+    let mut out = pack_plaintext(files)?;
+    let head = parse_full_head(&out).map_err(|e| e.to_string())?;
+    let name_start = head.name_table_start as usize;
+    let head_size = head.head_size as usize;
+    let data_start = head.data_start;
+
+    let ck: [u8; 32] = crate::DEFAULT_WOLF_CHACHA2_KEY[0..32]
+        .try_into()
+        .map_err(|_| "chacha key")?;
+    let cn: [u8; 12] = crate::DEFAULT_WOLF_CHACHA2_KEY[32..44]
+        .try_into()
+        .map_err(|_| "chacha nonce")?;
+
+    // Enumerate files from the plaintext table.
+    let layout = Layout {
+        table: out[name_start..name_start + head_size].to_vec(),
+        data_start,
+        file_table_start: head.file_table_start as usize,
+        directory_table_start: head.directory_table_start as usize,
+        huffman_encode_kb: head.huffman_encode_kb,
+        flags: head.flags,
+        key_string: Vec::new(),
+        main_key_pos: 0,
+        source: "chacha-encode".to_string(),
+        wolf: None,
+        chacha: Some((ck, cn)),
+    };
+    let entries = collect_files(&layout).map_err(|e| e.to_string())?;
+    for entry in &entries {
+        let start = (data_start + entry.head.data_addr) as usize;
+        let len = entry.head.data_size as usize;
+        crate::chacha20::crypt(&mut out[start..start + len], &ck, &cn, len as u32);
+    }
+    // Table at position 0.
+    crate::chacha20::crypt(&mut out[name_start..name_start + head_size], &ck, &cn, 0);
+
+    let flags = (0x64u32 << 16) | FLAG_NO_HEAD_PRESS;
+    out[44..48].copy_from_slice(&flags.to_le_bytes());
+    Ok(out)
+}
+
+/// Read the cryptVersion (`Flags>>16`) and the embedded 15-byte password from an existing
+/// archive header (both live plaintext in the header). Feed these to [`pack_newcrypt`] to
+/// repack a directory under the same encryption an original `Data.wolf` uses.
+pub fn archive_crypt_params(data: &[u8]) -> Option<(u16, [u8; 15])> {
+    if data.len() < 64 {
+        return None;
+    }
+    let flags = u32::from_le_bytes(data[44..48].try_into().ok()?);
+    let mut pwd = [0u8; 15];
+    pwd.copy_from_slice(&data[49..64]);
+    Some(((flags >> 16) as u16, pwd))
+}
+
+/// Re-encrypt into a WolfPro "new-crypt" archive (v3.31 = `0x14B`, v3.50 / v3.5 = `0x15E`).
+/// The whole new-crypt transform (768-byte stream, AES-CTR, header address scramble) is
+/// XOR-based, hence an involution, so encryption is exactly the reader's decrypt applied to
+/// the plaintext container, reusing the tested primitives. The 15-byte `pwd` is embedded in the
+/// header (bytes 49..64) just as the engine stores it. Re-encrypting GamePro with its own
+/// embedded password yields a game-loadable archive (the Game.dat hash still validates).
+/// `NO_HEAD_PRESS` keeps the header uncompressed (no Huffman encoder needed).
+pub fn pack_newcrypt(
+    files: &[(String, Vec<u8>)],
+    crypt_version: u16,
+    pwd: &[u8; 15],
+) -> Result<Vec<u8>, String> {
+    let key_string: &[u8] = match crypt_version {
+        0x14B => DEFAULT_WOLF_V331_KEY, // Wolf Pro v3.31
+        0x15E => DEFAULT_WOLF_V350_KEY, // Wolf Pro v3.50 / v3.5
+        _ => {
+            return Err(format!(
+                "unsupported new-crypt cryptVersion {crypt_version:#x} \
+                 (supported: 0x14b=v3.31, 0x15e=v3.50)"
+            ))
+        }
+    };
+
+    let mut out = pack_plaintext(files)?;
+    let head = parse_full_head(&out).map_err(|e| e.to_string())?;
+    let name_start = head.name_table_start as usize;
+    let head_size = head.head_size as usize;
+    let data_start = head.data_start;
+
+    // Patch the header: embed the password, set new-crypt flags (cv<<16 | NO_HEAD_PRESS).
+    out[49..64].copy_from_slice(pwd);
+    let flags = ((crypt_version as u32) << 16) | FLAG_NO_HEAD_PRESS;
+    out[44..48].copy_from_slice(&flags.to_le_bytes());
+
+    // Build the context exactly as the reader will recompute it (file_size + embedded pwd).
+    let file_size = out.len();
+    let ctx = WolfContext {
+        crypt_version,
+        other_key: wolf_init_key(crypt_version, pwd, None, true, key_string),
+        special_key: wolf_init_key(crypt_version, pwd, None, false, key_string),
+        aes_round_key: wolf_aes_init_round_key(pwd, None, crypt_version),
+        body_size: wolf_aes_body_size(file_size, crypt_version, pwd, None),
+        name_table_start: name_start,
+    };
+
+    // Enumerate files from the still-plaintext table (collect_files only walks the table).
+    let layout = Layout {
+        table: out[name_start..name_start + head_size].to_vec(),
+        data_start,
+        file_table_start: head.file_table_start as usize,
+        directory_table_start: head.directory_table_start as usize,
+        huffman_encode_kb: head.huffman_encode_kb,
+        flags,
+        key_string: key_string.to_vec(),
+        main_key_pos: 0,
+        source: "newcrypt-encode".to_string(),
+        wolf: Some(ctx.clone()),
+        chacha: None,
+    };
+    let entries = collect_files(&layout).map_err(|e| e.to_string())?;
+
+    // Encrypt each file's data: ciphertext = wolf_crypt_special(S(plaintext)), i.e. the
+    // reader's decrypt path, which is its own inverse. File regions are disjoint, so order
+    // is irrelevant and reading one never depends on another.
+    for entry in &entries {
+        let start = (data_start + entry.head.data_addr) as usize;
+        let len = entry.head.data_size as usize;
+        let mut slice = read_wolf_archive_slice(&out, start, len, &ctx)
+            .ok_or("file data slice out of range")?;
+        wolf_crypt(&ctx.special_key, &mut slice, len, crypt_version);
+        out[start..start + len].copy_from_slice(&slice);
+    }
+
+    // Encrypt the table block (still plaintext at this point).
+    let mut table = read_wolf_archive_slice(&out, name_start, head_size, &ctx)
+        .ok_or("table slice out of range")?;
+    wolf_crypt(&ctx.special_key, &mut table, 0, crypt_version);
+    out[name_start..name_start + head_size].copy_from_slice(&table);
+
+    // Encrypt the header address fields (bytes 8..40). The password at 49..64 stays plaintext.
+    let mut header = out[..64].to_vec();
+    wolf_crypt_addresses(&mut header, pwd, crypt_version);
+    out[..64].copy_from_slice(&header);
+
+    Ok(out)
+}
+
+/// Write the `data_number`-th entry slots of a directory whose children block starts at
+/// `fha`. Subdirectories recurse (each writes its own self-filehead into this block). Files
+/// write a leaf filehead and append their (4-aligned) data. `this_dir_addr` is this
+/// directory's own DirectoryAddress (used by children for ParentDirectoryAddress).
+fn encode_children(b: &mut Build, node: &Node, fha: u64, this_dir_addr: u64) {
+    let mut i = 0u64;
+    for (name, child) in &node.dirs {
+        directory_encode(b, child, name, fha, this_dir_addr, i);
+        i += 1;
+    }
+    for (name, data) in &node.files {
+        write_file_entry(b, name, data, fha, i);
+        i += 1;
+    }
+}
+
+/// Encode one subdirectory: its self-filehead goes into the parent's reserved slot
+/// (`parent_fha + data_number*72`). Its own DARC_DIRECTORY and children block follow.
+fn directory_encode(
+    b: &mut Build,
+    node: &Node,
+    name: &str,
+    parent_fha: u64,
+    parent_dir_addr: u64,
+    data_number: u64,
+) {
+    // This dir's self-filehead (written into the parent's file run).
+    let name_addr = b.name.len() as u64;
+    let this_dir_offset = b.dir.len() as u64;
+    add_filename(&mut b.name, name);
+    let self_fh_off = (parent_fha + data_number * FILEHEAD_SIZE as u64) as usize;
+    write_filehead(
+        &mut b.file,
+        self_fh_off,
+        name_addr,
+        ATTR_DIRECTORY,
+        this_dir_offset,
+        0,
+    );
+
+    let this_fha = b.file.len() as u64;
+    // ParentDirectoryAddress = DataAddress field of the parent's self-filehead (= parent's
+    // dir-table offset), or 0 for children of the root (whose DirectoryAddress is 0).
+    let parent_directory_address = if parent_dir_addr != NONE && parent_dir_addr != 0 {
+        read_u64(&b.file, parent_dir_addr as usize + 40)
+    } else {
+        0
+    };
+    let num = node.entry_count() as u64;
+    append_directory(
+        &mut b.dir,
+        self_fh_off as u64,
+        parent_directory_address,
+        num,
+        this_fha,
+    );
+    b.file
+        .resize(b.file.len() + FILEHEAD_SIZE * num as usize, 0);
+
+    encode_children(b, node, this_fha, self_fh_off as u64);
+}
+
+/// Write a leaf file: its filehead into slot `data_number` of the run at `fha`, its bytes
+/// (4-aligned) into the data section.
+fn write_file_entry(b: &mut Build, name: &str, data: &[u8], fha: u64, data_number: u64) {
+    let name_addr = b.name.len() as u64;
+    add_filename(&mut b.name, name);
+    let data_addr = b.data.len() as u64;
+    let off = (fha + data_number * FILEHEAD_SIZE as u64) as usize;
+    write_filehead(
+        &mut b.file,
+        off,
+        name_addr,
+        ATTR_ARCHIVE,
+        data_addr,
+        data.len() as u64,
+    );
+    b.data.extend_from_slice(data);
+    while b.data.len() % 4 != 0 {
+        b.data.push(0);
+    }
+}
+
+/// Append a DXArchive name-table entry: `[u16 packNum][u16 parity][UPPER name][original name]`.
+/// `packNum = ceil((len+1)/4)` and parity = sum of the uppercased name bytes. The engine's file
+/// search matches on packNum and parity, so both must be exact. The name-table format is
+/// identical across v8 and VER5/VER6, so the VER5/VER6 encoder ([`crate::dxarc_v2::encode`])
+/// reuses this.
+pub(crate) fn add_filename(buf: &mut Vec<u8>, name: &str) {
+    let s = name.as_bytes();
+    if s.is_empty() {
+        buf.extend_from_slice(&[0, 0, 0, 0]); // packNum 0, parity 0
+        return;
+    }
+    let length = s.len() + 1; // include the trailing NUL
+    let pack_num = (length + 3) / 4;
+    let entry_size = pack_num * 4 * 2 + 4;
+    let start = buf.len();
+    buf.resize(start + entry_size, 0);
+
+    let upper_off = start + 4;
+    let orig_off = start + 4 + pack_num * 4;
+    buf[orig_off..orig_off + s.len()].copy_from_slice(s); // original name (NUL already 0)
+
+    let mut parity: u32 = 0;
+    let mut i = 0;
+    while i < s.len() {
+        let lead = s[i];
+        // Shift-JIS lead bytes carry a 2-byte char copied verbatim (no upper-casing).
+        if (0x81..=0x9F).contains(&lead) || (0xE0..=0xFC).contains(&lead) {
+            if i + 1 < s.len() {
+                buf[upper_off + i] = s[i];
+                buf[upper_off + i + 1] = s[i + 1];
+                parity += s[i] as u32 + s[i + 1] as u32;
+                i += 2;
+                continue;
+            }
+        }
+        let up = if lead.is_ascii_lowercase() {
+            lead - b'a' + b'A'
+        } else {
+            lead
+        };
+        buf[upper_off + i] = up;
+        parity += up as u32;
+        i += 1;
+    }
+    buf[start + 2..start + 4].copy_from_slice(&(parity as u16).to_le_bytes());
+    buf[start..start + 2].copy_from_slice(&(pack_num as u16).to_le_bytes());
+}
+
+fn write_filehead(
+    file: &mut [u8],
+    off: usize,
+    name_addr: u64,
+    attrs: u64,
+    data_addr: u64,
+    data_size: u64,
+) {
+    let b = &mut file[off..off + FILEHEAD_SIZE];
+    b[0..8].copy_from_slice(&name_addr.to_le_bytes());
+    b[8..16].copy_from_slice(&attrs.to_le_bytes());
+    // Time (create / last-access / last-write) left zero.
+    b[40..48].copy_from_slice(&data_addr.to_le_bytes());
+    b[48..56].copy_from_slice(&data_size.to_le_bytes());
+    b[56..64].copy_from_slice(&NONE.to_le_bytes()); // PressDataSize: not compressed
+    b[64..72].copy_from_slice(&NONE.to_le_bytes()); // HuffPressDataSize: not compressed
+}
+
+fn append_directory(
+    dir: &mut Vec<u8>,
+    directory_addr: u64,
+    parent_addr: u64,
+    file_head_num: u64,
+    file_head_addr: u64,
+) {
+    dir.extend_from_slice(&directory_addr.to_le_bytes());
+    dir.extend_from_slice(&parent_addr.to_le_bytes());
+    dir.extend_from_slice(&file_head_num.to_le_bytes());
+    dir.extend_from_slice(&file_head_addr.to_le_bytes());
+}
+
+fn write_header(
+    out: &mut Vec<u8>,
+    head_size: u32,
+    name_table_start: u64,
+    file_table_start: u64,
+    directory_table_start: u64,
+) {
+    out.extend_from_slice(&DX_HEAD.to_le_bytes());
+    out.extend_from_slice(&DX_VER_8.to_le_bytes());
+    out.extend_from_slice(&head_size.to_le_bytes());
+    out.extend_from_slice(&(HEADER_SIZE as u64).to_le_bytes()); // DataStartAddress
+    out.extend_from_slice(&name_table_start.to_le_bytes());
+    out.extend_from_slice(&file_table_start.to_le_bytes());
+    out.extend_from_slice(&directory_table_start.to_le_bytes());
+    out.extend_from_slice(&CHAR_CODE_SJIS.to_le_bytes());
+    out.extend_from_slice(&(FLAG_NO_KEY | FLAG_NO_HEAD_PRESS).to_le_bytes()); // cryptVersion 0
+    out.push(0); // HuffmanEncodeKB (unused: nothing is compressed)
+    out.extend_from_slice(&[0u8; 15]); // Reserve
+}
+
+fn read_u64(b: &[u8], off: usize) -> u64 {
+    u64::from_le_bytes(b[off..off + 8].try_into().unwrap())
+}
diff --git a/util/wolfdawn-master/crates/wolf-archive/tests/extract_golden.rs b/util/wolfdawn-master/crates/wolf-archive/tests/extract_golden.rs
new file mode 100644
index 0000000..443e180
--- /dev/null
+++ b/util/wolfdawn-master/crates/wolf-archive/tests/extract_golden.rs
@@ -0,0 +1,75 @@
+//! Golden gate: extracting `Data.wolf` must reproduce the loose `Data/` tree byte-for-byte.
+//! Guards the archive decoder against any future crypto refactor. Skips gracefully when the
+//! 74 MB archive isn't present.
+
+use std::path::PathBuf;
+
+fn root() -> PathBuf {
+    PathBuf::from(env!("CARGO_MANIFEST_DIR"))
+        .join("..")
+        .join("..")
+        .join("..")
+}
+
+#[test]
+fn data_wolf_extracts_byte_identical() {
+    // Heavy (74 MB, decode attempts). Opt-in via WOLF_GOLDEN=1.
+    if std::env::var_os("WOLF_GOLDEN").is_none() {
+        eprintln!("set WOLF_GOLDEN=1 to run the Data.wolf golden extraction test");
+        return;
+    }
+    let archive = root().join("Data.wolf");
+    let Ok(bytes) = std::fs::read(&archive) else {
+        eprintln!("Data.wolf not present, skipping golden extraction test");
+        return;
+    };
+
+    // This particular Data.wolf is a Wolf v3.x container that needs the deterministic
+    // `Flags>>16` version dispatch. Until that lands the heuristic decoder can't decode it,
+    // so a decode failure is reported, not asserted.
+    let files = match wolf_archive::extract_archive(&bytes, wolf_archive::DEFAULT_WOLF_PRO_KEY) {
+        Ok(f) => f,
+        Err(e) => {
+            eprintln!("archive decode not yet supported for this Data.wolf (pending version dispatch): {e}");
+            return;
+        }
+    };
+    eprintln!("extracted {} files from Data.wolf", files.len());
+    assert!(
+        files.len() > 100,
+        "expected a populated archive, got {}",
+        files.len()
+    );
+
+    // Compare every extracted file that also exists loose under Data/, byte-for-byte.
+    let loose_root = root().join("Data");
+    let mut compared = 0usize;
+    let mut mismatched = Vec::new();
+    for (path, contents) in &files {
+        let loose = loose_root.join(path.replace('\\', "/"));
+        let Ok(disk) = std::fs::read(&loose) else {
+            continue;
+        };
+        compared += 1;
+        if &disk != contents {
+            mismatched.push(path.clone());
+        }
+    }
+    let matched = compared - mismatched.len();
+    eprintln!("compared {compared} files against loose Data/, {matched} byte-exact, {} differ (build diff)",
+        mismatched.len());
+
+    // The archive decode is byte-perfect: files unchanged between the archived build and the
+    // loose tree extract byte-identical. The loose Data/ here is a slightly different/older
+    // build, so its editable BasicData/MapData files legitimately differ. Those bytes are
+    // proven valid and complete by the `archive_end_to_end` round-trip gate in wolf-formats.
+    assert!(
+        files.len() > 2000,
+        "expected a fully-populated archive, got {}",
+        files.len()
+    );
+    assert!(
+        matched >= 800,
+        "too few byte-exact matches ({matched}); decode likely regressed"
+    );
+}
diff --git a/util/wolfdawn-master/crates/wolf-archive/tests/gamepro_archive.rs b/util/wolfdawn-master/crates/wolf-archive/tests/gamepro_archive.rs
new file mode 100644
index 0000000..6c2c0f8
--- /dev/null
+++ b/util/wolfdawn-master/crates/wolf-archive/tests/gamepro_archive.rs
@@ -0,0 +1,61 @@
+//! New wolf-crypt (v3.31) decode against the real GameProData.wolf (1.26 GB).
+//!   WOLF_GOLDEN=1 cargo test -p wolf-archive --test gamepro_archive -- --nocapture
+use std::path::PathBuf;
+
+#[test]
+fn gamepro_archive_decodes() {
+    if std::env::var_os("WOLF_GOLDEN").is_none() {
+        eprintln!("set WOLF_GOLDEN=1 to run the (heavy) GameProData.wolf test");
+        return;
+    }
+    let p = PathBuf::from(env!("CARGO_MANIFEST_DIR"))
+        .join("..")
+        .join("..")
+        .join("..")
+        .join("GameProData.wolf");
+    let Ok(data) = std::fs::read(&p) else {
+        eprintln!("no GameProData.wolf");
+        return;
+    };
+    eprintln!("read {} bytes", data.len());
+
+    let paths = wolf_archive::list_archive(&data, wolf_archive::DEFAULT_WOLF_PRO_KEY)
+        .expect("new-crypt (v3.31) table decode");
+    eprintln!("new-crypt table decode OK: {} files", paths.len());
+    assert!(paths.len() > 1000, "expected a populated Pro archive");
+
+    // The loose GamePro_Data/ tree is this archive's extraction. Verify a sample of files
+    // are byte-identical (proves the new wolf-crypt decode is byte-perfect).
+    let loose = PathBuf::from(env!("CARGO_MANIFEST_DIR"))
+        .join("..")
+        .join("..")
+        .join("..")
+        .join("GamePro_Data");
+    let samples = [
+        "BasicData\\CommonEvent.dat",
+        "BasicData\\DataBase.dat",
+        "BasicData\\CDataBase.dat",
+        "BasicData\\SysDatabase.dat",
+        "BasicData\\Game.dat",
+        "BasicData\\TileSetData.dat",
+        "MapData\\Map001.mps",
+    ];
+    let mut checked = 0;
+    for s in samples {
+        let Some(ext) = wolf_archive::extract_one(&data, wolf_archive::DEFAULT_WOLF_PRO_KEY, s)
+            .expect("extract")
+        else {
+            continue;
+        };
+        let Ok(disk) = std::fs::read(loose.join(s.replace('\\', "/"))) else {
+            continue;
+        };
+        assert_eq!(
+            ext, disk,
+            "{s} must extract byte-identical to loose GamePro_Data"
+        );
+        eprintln!("  byte-exact: {s} ({} bytes)", ext.len());
+        checked += 1;
+    }
+    assert!(checked > 0, "no sample files compared");
+}
diff --git a/util/wolfdawn-master/crates/wolf-archive/tests/pack_roundtrip.rs b/util/wolfdawn-master/crates/wolf-archive/tests/pack_roundtrip.rs
new file mode 100644
index 0000000..78813e3
--- /dev/null
+++ b/util/wolfdawn-master/crates/wolf-archive/tests/pack_roundtrip.rs
@@ -0,0 +1,178 @@
+//! Plaintext packer gate: `extract(pack(files)) == files`.
+//!
+//! Proves the VER8 writer produces a container our own extractor reads back with identical
+//! paths and bytes, across a synthetic nested tree and a real Wolf `Data/` subtree.
+//!   cargo test -p wolf-archive --test pack_roundtrip -- --nocapture
+
+use std::collections::BTreeMap;
+use std::path::{Path, PathBuf};
+
+use wolf_archive::{extract_archive, pack_chacha, pack_encrypted, pack_newcrypt, pack_plaintext};
+
+/// Normalize a path to forward slashes for order-independent comparison.
+fn norm(p: &str) -> String {
+    p.replace('\\', "/")
+}
+
+fn roundtrip(files: &[(String, Vec<u8>)]) {
+    let archive = pack_plaintext(files).expect("pack");
+    let extracted = extract_archive(&archive, b"").expect("extract our own archive");
+
+    let want: BTreeMap<String, Vec<u8>> = files.iter().map(|(p, d)| (norm(p), d.clone())).collect();
+    let got: BTreeMap<String, Vec<u8>> =
+        extracted.into_iter().map(|(p, d)| (norm(&p), d)).collect();
+
+    assert_eq!(
+        got.keys().collect::<Vec<_>>(),
+        want.keys().collect::<Vec<_>>(),
+        "path set differs"
+    );
+    for (p, data) in &want {
+        assert_eq!(got.get(p), Some(data), "bytes differ for {p}");
+    }
+}
+
+#[test]
+fn synthetic_tree_round_trips() {
+    let files = vec![
+        ("BasicData/CommonEvent.dat".to_string(), vec![1, 2, 3, 4, 5]),
+        ("BasicData/Game.dat".to_string(), b"hello game".to_vec()),
+        ("MapData/Map001.mps".to_string(), vec![0xAA; 1000]),
+        ("MapData/Map002.mps".to_string(), vec![]), // empty file
+        ("MapData/sub/Deep.mps".to_string(), vec![7; 3]), // odd length (alignment)
+        ("top.txt".to_string(), b"a top-level file".to_vec()),
+    ];
+    roundtrip(&files);
+}
+
+#[test]
+fn encrypted_round_trips_through_our_reader() {
+    // pack_encrypted(cv) -> extract_archive (auto-detects cryptVersion = Flags>>16) -> files.
+    // Proves the symmetric re-encryption decodes through our deterministic dispatch.
+    let files = vec![
+        (
+            "BasicData/Game.dat".to_string(),
+            vec![1u8, 2, 3, 4, 5, 6, 7, 8, 9],
+        ),
+        ("BasicData/CommonEvent.dat".to_string(), vec![0xCD; 777]),
+        ("MapData/Map001.mps".to_string(), b"map data here".to_vec()),
+        ("MapData/sub/Deep.mps".to_string(), vec![9, 8, 7]),
+    ];
+    let want: BTreeMap<String, Vec<u8>> = files.iter().map(|(p, d)| (norm(p), d.clone())).collect();
+
+    for cv in [0x12Cu16, 0x13A] {
+        let archive = pack_encrypted(&files, cv).expect("encrypt");
+        // The archive must NOT be plaintext: data should be transformed.
+        let extracted = extract_archive(&archive, b"").expect("extract encrypted");
+        let got: BTreeMap<String, Vec<u8>> =
+            extracted.into_iter().map(|(p, d)| (norm(&p), d)).collect();
+        assert_eq!(got, want, "cryptVersion {cv:#x} did not round-trip");
+    }
+}
+
+#[test]
+fn wolfpro_newcrypt_round_trips_through_our_reader() {
+    // pack_newcrypt(cv, pwd) -> extract_archive (recomputes the context from the embedded
+    // password) -> files. Proves the symmetric WolfPro stream + AES-CTR + address scramble
+    // encode is the exact inverse of our verified decrypt path.
+    let files = vec![
+        ("BasicData/Game.dat".to_string(), vec![0x11u8; 2048]),
+        ("BasicData/CommonEvent.dat".to_string(), vec![0x42; 5000]),
+        ("MapData/Map001.mps".to_string(), b"hello wolf pro".to_vec()),
+        ("MapData/sub/Deep.mps".to_string(), (0..255u8).collect()),
+    ];
+    let want: BTreeMap<String, Vec<u8>> = files.iter().map(|(p, d)| (norm(p), d.clone())).collect();
+
+    let pwd: [u8; 15] = [
+        0x37, 0x9a, 0x14, 0xc2, 0x5b, 0x08, 0xe1, 0x4f, 0x2d, 0x71, 0xbc, 0x33, 0x96, 0x6a, 0xd8,
+    ];
+    for cv in [0x14Bu16, 0x15E] {
+        let archive = pack_newcrypt(&files, cv, &pwd).expect("newcrypt encode");
+        let extracted = extract_archive(&archive, b"").expect("decode newcrypt");
+        let got: BTreeMap<String, Vec<u8>> =
+            extracted.into_iter().map(|(p, d)| (norm(&p), d)).collect();
+        assert_eq!(got, want, "WolfPro cryptVersion {cv:#x} did not round-trip");
+    }
+}
+
+#[test]
+fn chacha2_round_trips_through_our_reader() {
+    let files = vec![
+        ("BasicData/Game.dat".to_string(), vec![0x5Au8; 4096]),
+        (
+            "MapData/Map001.mps".to_string(),
+            b"chacha20 round trip".to_vec(),
+        ),
+        ("MapData/sub/Deep.mps".to_string(), (0..200u8).collect()),
+    ];
+    let want: BTreeMap<String, Vec<u8>> = files.iter().map(|(p, d)| (norm(p), d.clone())).collect();
+    let archive = pack_chacha(&files).expect("chacha encode");
+    let extracted = extract_archive(&archive, b"").expect("decode chacha2");
+    let got: BTreeMap<String, Vec<u8>> =
+        extracted.into_iter().map(|(p, d)| (norm(&p), d)).collect();
+    assert_eq!(got, want, "ChaCha2 did not round-trip");
+}
+
+#[test]
+fn real_data_subtree_round_trips() {
+    // Pack a real BasicData folder (ASCII paths, real binary content) and read it back.
+    let base = PathBuf::from(env!("CARGO_MANIFEST_DIR")).join("../../../Data/BasicData");
+    if !base.exists() {
+        eprintln!("no Data/BasicData corpus, skipping");
+        return;
+    }
+
+    let mut files = Vec::new();
+    collect(&base, &base, &mut files);
+    files.sort();
+    if files.is_empty() {
+        eprintln!("no files found, skipping");
+        return;
+    }
+    eprintln!("packing {} real files", files.len());
+    roundtrip(&files);
+}
+
+fn collect(base: &Path, dir: &Path, out: &mut Vec<(String, Vec<u8>)>) {
+    let Ok(rd) = std::fs::read_dir(dir) else {
+        return;
+    };
+    for e in rd.flatten() {
+        let p = e.path();
+        if p.is_dir() {
+            collect(base, &p, out);
+        } else if let Ok(bytes) = std::fs::read(&p) {
+            let rel = p
+                .strip_prefix(base)
+                .unwrap()
+                .to_string_lossy()
+                .replace('\\', "/");
+            out.push((format!("BasicData/{rel}"), bytes));
+        }
+    }
+}
+
+#[test]
+fn ver5_ver6_round_trip_through_our_reader() {
+    use wolf_archive::{pack_ver5, pack_ver6};
+    let files = vec![
+        ("BasicData/Game.dat".to_string(), vec![0x3Cu8; 1234]),
+        (
+            "BasicData/CommonEvent.dat".to_string(),
+            b"old wolf 2.0x".to_vec(),
+        ),
+        ("MapData/Map001.mps".to_string(), (0..250u8).collect()),
+        ("MapData/sub/Deep.mps".to_string(), vec![5, 4, 3, 2, 1]),
+    ];
+    let want: BTreeMap<String, Vec<u8>> = files.iter().map(|(p, d)| (norm(p), d.clone())).collect();
+
+    for (label, archive) in [
+        ("VER5", pack_ver5(&files).expect("ver5 encode")),
+        ("VER6", pack_ver6(&files).expect("ver6 encode")),
+    ] {
+        let extracted = extract_archive(&archive, b"").expect("decode legacy archive");
+        let got: BTreeMap<String, Vec<u8>> =
+            extracted.into_iter().map(|(p, d)| (norm(&p), d)).collect();
+        assert_eq!(got, want, "{label} did not round-trip");
+    }
+}
diff --git a/util/wolfdawn-master/crates/wolf-cli/Cargo.toml b/util/wolfdawn-master/crates/wolf-cli/Cargo.toml
new file mode 100644
index 0000000..e9f2774
--- /dev/null
+++ b/util/wolfdawn-master/crates/wolf-cli/Cargo.toml
@@ -0,0 +1,16 @@
+[package]
+name = "wolf-cli"
+edition.workspace = true
+version.workspace = true
+license.workspace = true
+description = "The `wolf` command-line front-end for the WolfDawn toolchain."
+
+[[bin]]
+name = "wolf"
+path = "src/main.rs"
+
+[dependencies]
+wolf-core = { path = "../wolf-core" }
+wolf-formats = { path = "../wolf-formats" }
+wolf-decompiler = { path = "../wolf-decompiler" }
+wolf-archive = { path = "../wolf-archive" }
diff --git a/util/wolfdawn-master/crates/wolf-cli/src/cmd.rs b/util/wolfdawn-master/crates/wolf-cli/src/cmd.rs
new file mode 100644
index 0000000..a1adbe0
--- /dev/null
+++ b/util/wolfdawn-master/crates/wolf-cli/src/cmd.rs
@@ -0,0 +1,2754 @@
+//! Subcommand implementations for the `wolf` CLI.
+
+use std::path::{Path, PathBuf};
+use std::process::ExitCode;
+
+use wolf_decompiler::{
+    apply_database_edit, apply_game_dat, apply_memory, audit_common_events_to_json,
+    audit_db_to_json, audit_map_to_json, build_memory, check_name_conflicts,
+    compile_common_events_edit, compile_map_edit, database_to_json, db_strings_to_json,
+    decompile_common_events, decompile_common_events_edit_annotated, decompile_map,
+    decompile_map_edit_annotated, dropped_sources, dump_game_dat, extract_common_events,
+    extract_db_strings, extract_game_dat, extract_map, extract_names, extract_txt_events,
+    inject_common_events, inject_db_strings, inject_game_dat, inject_map, inject_names,
+    inject_txt_events, scenes_to_json, update_save, InjectOptions, InjectStats, MergeStats,
+    SymbolTable,
+};
+use wolf_formats::common_event::CommonEventsFile;
+use wolf_formats::database::Database;
+use wolf_formats::game_dat::GameDat;
+use wolf_formats::map::Map;
+
+pub(crate) fn cmd_decompile(args: &[String]) -> ExitCode {
+    let mut input: Option<PathBuf> = None;
+    let mut output: Option<PathBuf> = None;
+    let mut edit = false;
+    let mut it = args.iter();
+    while let Some(a) = it.next() {
+        match a.as_str() {
+            "-o" | "--output" => output = it.next().map(PathBuf::from),
+            "--mode" => edit = it.next().map(String::as_str) == Some("edit"),
+            "--edit" => edit = true,
+            _ => input = Some(PathBuf::from(a)),
+        }
+    }
+    let Some(input) = input else {
+        eprintln!("decompile: missing input file");
+        return ExitCode::from(64);
+    };
+
+    let result = if edit {
+        decompile_edit_path(&input)
+    } else {
+        decompile_path(&input)
+    };
+    let text = match result {
+        Ok(t) => t,
+        Err(e) => {
+            eprintln!("decompile failed for {}: {e}", input.display());
+            return ExitCode::from(4);
+        }
+    };
+
+    match output {
+        Some(out) => {
+            if let Err(e) = std::fs::write(&out, text) {
+                eprintln!("could not write {}: {e}", out.display());
+                return ExitCode::from(4);
+            }
+            eprintln!("wrote {}", out.display());
+        }
+        None => {
+            // Ignore a broken pipe (e.g. piping into `head`) instead of panicking.
+            use std::io::Write;
+            let _ = std::io::stdout().write_all(text.as_bytes());
+        }
+    }
+    ExitCode::SUCCESS
+}
+
+/// `wolf export-names <data-dir>`. Dumps the deduplicated **engine/structural** text
+/// (variable names, DB type/field names, system-table row names) for building the
+/// engine-text glossary. Excludes player-facing content (item/skill/actor display names).
+pub(crate) fn cmd_export_names(args: &[String]) -> ExitCode {
+    use std::collections::BTreeSet;
+
+    let dir = PathBuf::from(args.first().map(String::as_str).unwrap_or("."));
+    let basic = if dir.join("CommonEvent.dat").exists() {
+        dir.clone()
+    } else if dir.join("BasicData").join("CommonEvent.dat").exists() {
+        dir.join("BasicData")
+    } else {
+        dir.clone()
+    };
+
+    let mut symbols = SymbolTable::new();
+    if let Ok(b) = std::fs::read(basic.join("CommonEvent.dat")) {
+        if let Ok(ce) = CommonEventsFile::read(&b) {
+            symbols.add_common_events(&ce);
+        }
+    }
+    add_databases(&mut symbols, Some(&basic));
+
+    fn consider(set: &mut BTreeSet<String>, s: &str) {
+        let t = s.trim();
+        let has_jp = t.chars().any(|c| c as u32 >= 0x3000); // CJK/kana - needs translating
+                                                            // Exclude markup/format-code chars only. `/`, `=`, `(`, `)` are legitimate in stock
+                                                            // engine variable/field names (e.g. "[読]ﾈｯﾄ/状態 -1失敗 0通信中 1終了"), so they stay.
+        let noisy = t.contains(['\\', '<', '>', '▼', '★', '※']);
+        if !t.is_empty() && t.chars().count() <= 60 && has_jp && !noisy {
+            set.insert(t.to_string());
+        }
+    }
+
+    let mut set = BTreeSet::new();
+    for ce in symbols.common_events.values() {
+        for v in ce.self_vars.values() {
+            consider(&mut set, v);
+        }
+        for v in &ce.inputs {
+            consider(&mut set, v);
+        }
+    }
+    for v in symbols
+        .globals
+        .normal
+        .values()
+        .chain(symbols.globals.string.values())
+        .chain(symbols.globals.system.values())
+    {
+        consider(&mut set, v);
+    }
+    for db in &symbols.databases {
+        for t in &db.types {
+            consider(&mut set, &t.name);
+            for f in &t.fields {
+                consider(&mut set, f);
+            }
+            // System/config row names only (SysDB rows + the Basic-System CDB tables);
+            // User-DB content rows (item/skill names) are player-facing game text.
+            let system_rows = db.kind == "SDB" || (db.kind == "CDB" && t.name.contains("基本"));
+            if system_rows {
+                for d in &t.data {
+                    consider(&mut set, d);
+                }
+            }
+        }
+    }
+
+    for s in &set {
+        println!("{s}");
+    }
+    eprintln!("{} unique engine-text strings", set.len());
+    ExitCode::SUCCESS
+}
+
+/// `wolf xref <ref> <data-dir>`. Finds every write/read of a variable/reference across
+/// all maps and common events. Answers "where is this value set?".
+pub(crate) fn cmd_xref(args: &[String]) -> ExitCode {
+    let Some(reff) = args.first() else {
+        eprintln!("xref: usage: wolf xref \"<ref>\" <data-dir>");
+        return ExitCode::from(64);
+    };
+    let dir = PathBuf::from(args.get(1).map(String::as_str).unwrap_or("."));
+
+    let mut files: Vec<PathBuf> = Vec::new();
+    collect(&dir, &mut files);
+    files.sort();
+
+    let mut writes = 0usize;
+    let mut reads = 0usize;
+    for path in &files {
+        if !matches!(classify(path), FileKind::Map | FileKind::CommonEvent) {
+            continue;
+        }
+        let Ok(text) = decompile_path(path) else {
+            continue;
+        };
+        let rel = rel(&dir, path);
+        for (i, line) in text.lines().enumerate() {
+            if !line.contains(reff.as_str()) {
+                continue;
+            }
+            let t = line.trim_start();
+            let is_write = is_write_to(t, reff);
+            if is_write {
+                writes += 1;
+            } else {
+                reads += 1;
+            }
+            let tag = if is_write { "SET " } else { "read" };
+            println!("{tag}  {rel}:{}  {t}", i + 1);
+        }
+    }
+    println!("\n{reff}: {writes} write(s), {reads} read(s)");
+    ExitCode::SUCCESS
+}
+
+/// True if the decompiled line assigns to `reff` (a write site).
+pub(crate) fn is_write_to(line: &str, reff: &str) -> bool {
+    line.starts_with(&format!("SetVariable {reff} "))
+        || line.starts_with(&format!("SetString {reff} ="))
+        || line.starts_with(&format!("{reff} =")) // DB-read / GetXXX-into form
+}
+
+/// Debug: dump raw (cid, indent, int args, string count) per command. Ground truth for
+/// validating the decompiler's argument decoding.
+pub(crate) fn cmd_raw(args: &[String]) -> ExitCode {
+    let Some(input) = args.first() else {
+        eprintln!("raw: missing input file");
+        return ExitCode::from(64);
+    };
+    let path = PathBuf::from(input);
+    let bytes = match std::fs::read(&path) {
+        Ok(b) => b,
+        Err(e) => {
+            eprintln!("read failed: {e}");
+            return ExitCode::from(4);
+        }
+    };
+    // CommonEvent: dump the per-event metadata strings (name/description/self-var-name
+    // candidates) to see what naming info WOLF stores.
+    if matches!(classify(&path), FileKind::Database) {
+        let proj = if path.extension().and_then(|s| s.to_str()) == Some("project") {
+            path.clone()
+        } else {
+            path.with_extension("project")
+        };
+        let dat = proj.with_extension("dat");
+        let (Ok(pb), Ok(db_)) = (std::fs::read(&proj), std::fs::read(&dat)) else {
+            eprintln!("could not read database pair");
+            return ExitCode::from(4);
+        };
+        let db = match Database::read(&pb, &db_) {
+            Ok(d) => d,
+            Err(e) => {
+                eprintln!("parse failed: {e}");
+                return ExitCode::from(4);
+            }
+        };
+        let dec = |w: &wolf_formats::WStr| {
+            let mut b = w.as_bytes();
+            if b.last() == Some(&0) {
+                b = &b[..b.len() - 1];
+            }
+            String::from_utf8_lossy(b).into_owned()
+        };
+        for (ti, t) in db.types.iter().enumerate() {
+            println!(
+                "type {ti} \"{}\"  ({} fields, {} data rows)",
+                dec(&t.name),
+                t.fields.len(),
+                t.data.len()
+            );
+            let fields: Vec<String> = t.fields.iter().map(|f| dec(&f.name)).collect();
+            println!("  fields: {}", fields.join(" | "));
+            let sample: Vec<String> = t.data.iter().take(8).map(|d| dec(&d.name)).collect();
+            println!("  data:   {}", sample.join(" | "));
+        }
+        return ExitCode::SUCCESS;
+    }
+
+    if matches!(classify(&path), FileKind::CommonEvent) {
+        let ce = match CommonEventsFile::read(&bytes) {
+            Ok(c) => c,
+            Err(e) => {
+                eprintln!("parse failed: {e}");
+                return ExitCode::from(4);
+            }
+        };
+        let want: Vec<u32> = args[1..].iter().filter_map(|s| s.parse().ok()).collect();
+        for ev in &ce.events {
+            if !want.is_empty() && !want.contains(&ev.int_id) {
+                continue;
+            }
+            let dec = |w: &wolf_formats::WStr| {
+                let mut b = w.as_bytes();
+                if b.last() == Some(&0) {
+                    b = &b[..b.len() - 1];
+                }
+                String::from_utf8_lossy(b).into_owned()
+            };
+            println!(
+                "commonEvent {} \"{}\"  ({} commands)",
+                ev.int_id,
+                dec(&ev.name),
+                ev.commands.len()
+            );
+            println!("  description: {:?}", dec(&ev.description));
+            let nonempty = |label: &str, v: &[wolf_formats::WStr]| {
+                let items: Vec<String> = v
+                    .iter()
+                    .enumerate()
+                    .filter(|(_, w)| !dec(w).is_empty())
+                    .map(|(i, w)| format!("{i}:{:?}", dec(w)))
+                    .collect();
+                if !items.is_empty() {
+                    println!("  {label} ({}): {}", v.len(), items.join("  "));
+                }
+            };
+            nonempty("unknown3", &ev.unknown3);
+            nonempty("unknown8", &ev.unknown8);
+            for (i, group) in ev.unknown5.iter().enumerate() {
+                nonempty(&format!("unknown5[{i}]"), group);
+            }
+            println!();
+        }
+        return ExitCode::SUCCESS;
+    }
+
+    let map = match Map::read(&bytes) {
+        Ok(m) => m,
+        Err(e) => {
+            eprintln!("parse failed: {e}");
+            return ExitCode::from(4);
+        }
+    };
+    for ev in &map.events {
+        println!("event {} {:?}", ev.id, ev.name.to_lossy());
+        for (pi, page) in ev.pages.iter().enumerate() {
+            println!("  page {pi}");
+            for c in &page.commands {
+                println!(
+                    "    i{} cid={} {} ints={:?} strs={}",
+                    c.indent,
+                    c.cid,
+                    wolf_decompiler::spec::command_name(c.cid),
+                    c.int_args,
+                    c.str_args.len()
+                );
+            }
+        }
+    }
+    ExitCode::SUCCESS
+}
+
+pub(crate) fn decompile_path(path: &Path) -> Result<String, String> {
+    let bytes = std::fs::read(path).map_err(|e| e.to_string())?;
+    match classify(path) {
+        FileKind::Map => {
+            let map = Map::read(&bytes).map_err(|e| e.to_string())?;
+            let symbols = load_symbols(path);
+            Ok(decompile_map(&map, &symbols))
+        }
+        FileKind::CommonEvent => {
+            let ce = CommonEventsFile::read(&bytes).map_err(|e| e.to_string())?;
+            let mut symbols = SymbolTable::new();
+            symbols.add_common_events(&ce);
+            add_databases(&mut symbols, path.parent());
+            symbols.set_glossary(wolf_decompiler::symbols::load_embedded_glossary());
+            symbols.set_engine_text(wolf_decompiler::symbols::load_embedded_engine_glossary());
+            Ok(decompile_common_events(&ce, &symbols))
+        }
+        FileKind::Database | FileKind::BasicDatabase | FileKind::GameDat
+        | FileKind::TxtEvent | FileKind::Unsupported => Err(format!(
+            "{} is not a code-bearing file (decompile supports .mps and CommonEvent.dat)",
+            path.display()
+        )),
+    }
+}
+
+/// Decompile to the **edit** document (recompilable, identity-delimited), the form `wolf
+/// compile` consumes. Symbol-aware: each operand carries its index **and** a bilingual label
+/// (`V[3 "Gold · ゴールド"]`), so the one file is both readable and recompilable. The recompiler
+/// strips the labels and round-trips byte-exact. `--numeric` (handled by the caller) falls back
+/// to the bare-index form.
+pub(crate) fn decompile_edit_path(path: &Path) -> Result<String, String> {
+    let bytes = std::fs::read(path).map_err(|e| e.to_string())?;
+    match classify(path) {
+        FileKind::Map => {
+            let map = Map::read(&bytes).map_err(|e| e.to_string())?;
+            Ok(decompile_map_edit_annotated(&map, &load_symbols(path)))
+        }
+        FileKind::CommonEvent => {
+            let ce = CommonEventsFile::read(&bytes).map_err(|e| e.to_string())?;
+            let mut symbols = SymbolTable::new();
+            symbols.add_common_events(&ce);
+            add_databases(&mut symbols, path.parent());
+            symbols.set_glossary(wolf_decompiler::symbols::load_embedded_glossary());
+            symbols.set_engine_text(wolf_decompiler::symbols::load_embedded_engine_glossary());
+            Ok(decompile_common_events_edit_annotated(&ce, &symbols))
+        }
+        FileKind::Database | FileKind::BasicDatabase | FileKind::GameDat
+        | FileKind::TxtEvent | FileKind::Unsupported => Err(format!(
+            "{} is not a code-bearing file (edit mode supports .mps and CommonEvent.dat)",
+            path.display()
+        )),
+    }
+}
+
+/// `wolf compile <doc.wscript> --base <orig.mps|CommonEvent.dat> -o <out>`. Recompiles an
+/// edit document back into a runnable file. The base supplies all opaque metadata. Only the
+/// command bodies are swapped in. With code untouched the output is byte-identical to base.
+pub(crate) fn cmd_compile(args: &[String]) -> ExitCode {
+    let mut input: Option<PathBuf> = None;
+    let mut base: Option<PathBuf> = None;
+    let mut output: Option<PathBuf> = None;
+    let mut it = args.iter();
+    while let Some(a) = it.next() {
+        match a.as_str() {
+            "-o" | "--output" => output = it.next().map(PathBuf::from),
+            "-b" | "--base" => base = it.next().map(PathBuf::from),
+            _ => input = Some(PathBuf::from(a)),
+        }
+    }
+    let (Some(input), Some(base)) = (input, base) else {
+        eprintln!("compile: usage: wolf compile <doc> --base <orig> -o <out>");
+        return ExitCode::from(64);
+    };
+
+    let text = match std::fs::read_to_string(&input) {
+        Ok(t) => t,
+        Err(e) => {
+            eprintln!("compile: cannot read {}: {e}", input.display());
+            return ExitCode::from(4);
+        }
+    };
+    let base_bytes = match std::fs::read(&base) {
+        Ok(b) => b,
+        Err(e) => {
+            eprintln!("compile: cannot read base {}: {e}", base.display());
+            return ExitCode::from(4);
+        }
+    };
+
+    let out_bytes = match classify(&base) {
+        FileKind::CommonEvent => {
+            let mut ce = match CommonEventsFile::read(&base_bytes) {
+                Ok(c) => c,
+                Err(e) => {
+                    eprintln!("compile: base parse failed: {e}");
+                    return ExitCode::from(4);
+                }
+            };
+            if let Err(e) = compile_common_events_edit(&text, &mut ce) {
+                eprintln!("compile failed: {e}");
+                return ExitCode::from(2);
+            }
+            ce.write()
+        }
+        FileKind::Map => {
+            let mut map = match Map::read(&base_bytes) {
+                Ok(m) => m,
+                Err(e) => {
+                    eprintln!("compile: base parse failed: {e}");
+                    return ExitCode::from(4);
+                }
+            };
+            if let Err(e) = compile_map_edit(&text, &mut map) {
+                eprintln!("compile failed: {e}");
+                return ExitCode::from(2);
+            }
+            map.write()
+        }
+        FileKind::Database | FileKind::BasicDatabase | FileKind::GameDat
+        | FileKind::TxtEvent | FileKind::Unsupported => {
+            eprintln!("compile: base must be a .mps or CommonEvent.dat");
+            return ExitCode::from(64);
+        }
+    };
+
+    let Some(out) = output else {
+        eprintln!("compile: missing -o <out>");
+        return ExitCode::from(64);
+    };
+    if let Err(e) = std::fs::write(&out, &out_bytes) {
+        eprintln!("compile: cannot write {}: {e}", out.display());
+        return ExitCode::from(4);
+    }
+    let same = out_bytes == base_bytes;
+    eprintln!(
+        "wrote {} ({} bytes{})",
+        out.display(),
+        out_bytes.len(),
+        if same { ", byte-identical to base" } else { "" }
+    );
+    ExitCode::SUCCESS
+}
+
+/// `wolf db-json <X.project | X.dat | data-dir> [-o out]`. Exports a database (or every
+/// database in a BasicData dir) to readable JSON for inspection. A single file writes to
+/// `-o file` (or stdout). A directory writes one `<stem>.json` per DB into `-o <dir>` (default `.`).
+pub(crate) fn cmd_db_json(args: &[String]) -> ExitCode {
+    let mut input: Option<PathBuf> = None;
+    let mut output: Option<PathBuf> = None;
+    let mut it = args.iter();
+    while let Some(a) = it.next() {
+        match a.as_str() {
+            "-o" | "--output" => output = it.next().map(PathBuf::from),
+            _ => input = Some(PathBuf::from(a)),
+        }
+    }
+    let Some(input) = input else {
+        eprintln!("db-json: usage: wolf db-json <X.project | data-dir> [-o out]");
+        return ExitCode::from(64);
+    };
+
+    if input.is_dir() {
+        let dir = output.unwrap_or_else(|| PathBuf::from("."));
+        if let Err(e) = std::fs::create_dir_all(&dir) {
+            eprintln!("db-json: cannot create {}: {e}", dir.display());
+            return ExitCode::from(4);
+        }
+        let mut n = 0;
+        for stem in ["DataBase", "CDataBase", "SysDatabase"] {
+            let proj = input.join(format!("{stem}.project"));
+            if !proj.exists() {
+                continue;
+            }
+            match db_json_one(&proj) {
+                Ok(json) => {
+                    let out = dir.join(format!("{stem}.json"));
+                    if let Err(e) = std::fs::write(&out, &json) {
+                        eprintln!("db-json: cannot write {}: {e}", out.display());
+                        return ExitCode::from(4);
+                    }
+                    eprintln!("wrote {} ({} bytes)", out.display(), json.len());
+                    n += 1;
+                }
+                Err(e) => eprintln!("db-json: {stem}: {e}"),
+            }
+        }
+        if n == 0 {
+            eprintln!("db-json: no databases found under {}", input.display());
+            return ExitCode::from(4);
+        }
+        return ExitCode::SUCCESS;
+    }
+
+    let proj = if input.extension().and_then(|s| s.to_str()) == Some("dat") {
+        input.with_extension("project")
+    } else {
+        input.clone()
+    };
+    match db_json_one(&proj) {
+        Ok(json) => match output {
+            Some(out) => {
+                if let Err(e) = std::fs::write(&out, &json) {
+                    eprintln!("db-json: cannot write {}: {e}", out.display());
+                    return ExitCode::from(4);
+                }
+                eprintln!("wrote {} ({} bytes)", out.display(), json.len());
+                ExitCode::SUCCESS
+            }
+            None => {
+                use std::io::Write;
+                let _ = std::io::stdout().write_all(json.as_bytes());
+                ExitCode::SUCCESS
+            }
+        },
+        Err(e) => {
+            eprintln!("db-json failed: {e}");
+            ExitCode::from(4)
+        }
+    }
+}
+
+/// Read a `.project` (+ sibling `.dat`) and render it to JSON, labelling the kind by stem.
+/// Report any lines a safety guard skipped and pick the exit code (non-zero if so, so CI notices,
+/// even though the good lines were still written).
+fn guard_report(st: &InjectStats) -> ExitCode {
+    if st.code_mismatch > 0 || st.unrepresentable > 0 {
+        eprintln!(
+            "WARNING: {} line(s) left UNTRANSLATED by a safety guard - {} control-code mismatch, {} not encodable; see the per-line messages above (pass --allow-code-drift to override the code check)",
+            st.code_mismatch + st.unrepresentable,
+            st.code_mismatch,
+            st.unrepresentable,
+        );
+        ExitCode::from(2)
+    } else {
+        ExitCode::SUCCESS
+    }
+}
+
+/// Apply DB translations onto a `.project`+`.dat` pair, writing both halves byte-exact.
+fn strings_inject_db(input: &Path, base: &Path, output: &Path, opts: &InjectOptions) -> ExitCode {
+    let proj = if base.extension().and_then(|s| s.to_str()) == Some("project") {
+        base.to_path_buf()
+    } else {
+        base.with_extension("project")
+    };
+    let base_dat = proj.with_extension("dat");
+    let out_dat = output.with_extension("dat");
+    let (Ok(text), Ok(p), Ok(d)) = (
+        std::fs::read_to_string(input),
+        std::fs::read(&proj),
+        std::fs::read(&base_dat),
+    ) else {
+        eprintln!("strings-inject: cannot read input or DB pair");
+        return ExitCode::from(4);
+    };
+    let mut db = match Database::read(&p, &d) {
+        Ok(db) => db,
+        Err(e) => {
+            eprintln!("strings-inject: DB parse failed: {e}");
+            return ExitCode::from(4);
+        }
+    };
+    let st = match inject_db_strings(&text, &mut db, opts) {
+        Ok(st) => st,
+        Err(e) => {
+            eprintln!("strings-inject failed: {e}");
+            return ExitCode::from(2);
+        }
+    };
+    let (op, od) = db.write();
+    // Post-inject re-parse: never ship a structurally-corrupt file.
+    if let Err(e) = Database::read(&op, &od) {
+        eprintln!("strings-inject: internal error - injected DB no longer parses ({e}); aborting write to avoid a corrupt file. Please report.");
+        return ExitCode::from(2);
+    }
+    let identical = op == p && od == d;
+    if let (Err(e), _) | (_, Err(e)) = (std::fs::write(output, &op), std::fs::write(&out_dat, &od))
+    {
+        eprintln!("strings-inject: write failed: {e}");
+        return ExitCode::from(4);
+    }
+    eprintln!(
+        "applied {} translation(s) ({} untranslated, {} drifted); wrote {} + {}{}",
+        st.applied,
+        st.untranslated,
+        st.drifted,
+        output.display(),
+        out_dat.display(),
+        if identical {
+            " (byte-identical to base)"
+        } else {
+            ""
+        }
+    );
+    guard_report(&st)
+}
+
+/// Collect the `.txt` files directly under `dir`, sorted by name for a stable, reproducible
+/// document order. Event-text folders are flat, so this is a shallow scan, not recursive.
+fn list_txt_files(dir: &Path) -> Vec<PathBuf> {
+    let mut out: Vec<PathBuf> = match std::fs::read_dir(dir) {
+        Ok(rd) => rd
+            .flatten()
+            .map(|e| e.path())
+            .filter(|p| {
+                p.is_file()
+                    && p.extension().and_then(|s| s.to_str()).map(str::to_ascii_lowercase)
+                        == Some("txt".to_string())
+            })
+            .collect(),
+        Err(_) => Vec::new(),
+    };
+    out.sort();
+    out
+}
+
+/// `strings-extract <dir-of-txt>`. Extract every `.txt` event-text file under a directory into one
+/// combined JSON keyed by file. Each entry is the per-file `extract_txt_events` document with a
+/// `file` field naming it, so `strings-inject` can write each back to the matching base file.
+fn strings_extract_txt_dir(dir: &Path, output: Option<&Path>) -> ExitCode {
+    let files = list_txt_files(dir);
+    if files.is_empty() {
+        eprintln!("strings-extract: no .txt files in {}", dir.display());
+        return ExitCode::from(4);
+    }
+    let mut named: Vec<(String, Vec<u8>)> = Vec::with_capacity(files.len());
+    for path in &files {
+        let bytes = match std::fs::read(path) {
+            Ok(b) => b,
+            Err(e) => {
+                eprintln!("strings-extract: cannot read {}: {e}", path.display());
+                return ExitCode::from(4);
+            }
+        };
+        let fname = path.file_name().and_then(|s| s.to_str()).unwrap_or("").to_owned();
+        named.push((fname, bytes));
+    }
+    let json = wolf_decompiler::extract_txt_dir(&named);
+    match output {
+        Some(out) => {
+            if let Err(e) = std::fs::write(out, &json) {
+                eprintln!("strings-extract: write failed: {e}");
+                return ExitCode::from(4);
+            }
+            eprintln!("wrote {} ({} txt file(s))", out.display(), files.len());
+        }
+        None => {
+            use std::io::Write;
+            let _ = std::io::stdout().write_all(json.as_bytes());
+        }
+    }
+    ExitCode::SUCCESS
+}
+
+/// `strings-inject <edited.json> --base <file.txt> -o <out.txt>` for a single event-text file.
+/// Re-decodes the base, applies the edits, and writes the result, which is byte-identical to the
+/// base for a no-op edit.
+fn strings_inject_txt_file(input: &Path, base: &Path, output: &Path) -> ExitCode {
+    let (Ok(json), Ok(base_bytes)) = (std::fs::read_to_string(input), std::fs::read(base)) else {
+        eprintln!("strings-inject: cannot read input/base");
+        return ExitCode::from(4);
+    };
+    let out_bytes = match inject_txt_events(&json, &base_bytes) {
+        Ok(b) => b,
+        Err(e) => {
+            eprintln!("strings-inject failed: {e}");
+            return ExitCode::from(2);
+        }
+    };
+    let identical = out_bytes == base_bytes;
+    if let Err(e) = std::fs::write(output, &out_bytes) {
+        eprintln!("strings-inject: write failed: {e}");
+        return ExitCode::from(4);
+    }
+    eprintln!(
+        "wrote {}{}",
+        output.display(),
+        if identical { " (byte-identical to base)" } else { "" }
+    );
+    ExitCode::SUCCESS
+}
+
+/// `strings-inject <combined.json> --base <dir-of-txt> -o <out-dir>` for a folder of event-text
+/// files. The combined JSON is a `txt-dir` document. Each `files[]` entry is injected against its
+/// matching base file and written to `<out-dir>` under the same name. Files present in the base but
+/// absent from the JSON are copied through unchanged, so the output directory mirrors the base.
+fn strings_inject_txt_dir(input: &Path, base: &Path, out_dir: &Path) -> ExitCode {
+    let Ok(json) = std::fs::read_to_string(input) else {
+        eprintln!("strings-inject: cannot read {}", input.display());
+        return ExitCode::from(4);
+    };
+    let entries = match wolf_decompiler::split_txt_dir(&json) {
+        Ok(e) => e,
+        Err(e) => {
+            eprintln!("strings-inject: {e}");
+            return ExitCode::from(2);
+        }
+    };
+    if let Err(e) = std::fs::create_dir_all(out_dir) {
+        eprintln!("strings-inject: cannot create {}: {e}", out_dir.display());
+        return ExitCode::from(4);
+    }
+    let mut named: std::collections::HashSet<String> = std::collections::HashSet::new();
+    let mut written = 0usize;
+    for (fname, per_file) in &entries {
+        named.insert(fname.clone());
+        let base_path = base.join(fname);
+        let base_bytes = match std::fs::read(&base_path) {
+            Ok(b) => b,
+            Err(e) => {
+                eprintln!("strings-inject: cannot read base {}: {e}", base_path.display());
+                continue;
+            }
+        };
+        let out_bytes = match inject_txt_events(per_file, &base_bytes) {
+            Ok(b) => b,
+            Err(e) => {
+                eprintln!("strings-inject: {fname}: {e}");
+                continue;
+            }
+        };
+        if let Err(e) = std::fs::write(out_dir.join(fname), &out_bytes) {
+            eprintln!("strings-inject: write {fname} failed: {e}");
+            continue;
+        }
+        written += 1;
+    }
+    // Copy through any base files the JSON did not mention so the output dir is complete.
+    let mut copied = 0usize;
+    for path in list_txt_files(base) {
+        let fname = path.file_name().and_then(|s| s.to_str()).unwrap_or("");
+        if named.contains(fname) {
+            continue;
+        }
+        if let Ok(b) = std::fs::read(&path) {
+            if std::fs::write(out_dir.join(fname), &b).is_ok() {
+                copied += 1;
+            }
+        }
+    }
+    eprintln!(
+        "wrote {written} injected + {copied} passed-through txt file(s) to {}",
+        out_dir.display()
+    );
+    ExitCode::SUCCESS
+}
+
+/// `wolf strings-extract <CommonEvent.dat|map.mps> -o <out.json>`. Extracts only player-facing
+/// text (dialogue/choices/on-screen), speaker-attributed and grouped by event/scene, for
+/// translation. The `text` field starts equal to `source`. Translators edit `text`.
+pub(crate) fn cmd_strings_extract(args: &[String]) -> ExitCode {
+    let mut input: Option<PathBuf> = None;
+    let mut output: Option<PathBuf> = None;
+    let mut it = args.iter();
+    while let Some(a) = it.next() {
+        match a.as_str() {
+            "-o" | "--output" => output = it.next().map(PathBuf::from),
+            _ => input = Some(PathBuf::from(a)),
+        }
+    }
+    let Some(input) = input else {
+        eprintln!(
+            "strings-extract: usage: wolf strings-extract <CommonEvent.dat|map.mps|dir-of-txt> -o <out.json>"
+        );
+        return ExitCode::from(64);
+    };
+    // A directory is treated as a folder of external event-text `.txt` files (unpacked Evtext).
+    // One combined JSON keyed by file is produced.
+    if input.is_dir() {
+        return strings_extract_txt_dir(&input, output.as_deref());
+    }
+    let bytes = match std::fs::read(&input) {
+        Ok(b) => b,
+        Err(e) => {
+            eprintln!("strings-extract: cannot read {}: {e}", input.display());
+            return ExitCode::from(4);
+        }
+    };
+    let fname = input.file_name().and_then(|s| s.to_str()).unwrap_or("");
+    let json = match classify(&input) {
+        FileKind::TxtEvent => extract_txt_events(&bytes),
+        FileKind::CommonEvent => match CommonEventsFile::read(&bytes) {
+            Ok(ce) => scenes_to_json(fname, "common", &extract_common_events(&ce)),
+            Err(e) => {
+                eprintln!("strings-extract: parse failed: {e}");
+                return ExitCode::from(4);
+            }
+        },
+        FileKind::Map => match Map::read(&bytes) {
+            Ok(m) => scenes_to_json(fname, "map", &extract_map(&m)),
+            Err(e) => {
+                eprintln!("strings-extract: parse failed: {e}");
+                return ExitCode::from(4);
+            }
+        },
+        FileKind::GameDat => match GameDat::read(&bytes) {
+            Ok(gd) => extract_game_dat(&gd),
+            Err(e) => {
+                eprintln!("strings-extract: parse failed: {e}");
+                return ExitCode::from(4);
+            }
+        },
+        FileKind::Database => {
+            let proj = if input.extension().and_then(|s| s.to_str()) == Some("project") {
+                input.clone()
+            } else {
+                input.with_extension("project")
+            };
+            let dat = proj.with_extension("dat");
+            let (Ok(p), Ok(d)) = (std::fs::read(&proj), std::fs::read(&dat)) else {
+                eprintln!(
+                    "strings-extract: cannot read DB pair for {}",
+                    input.display()
+                );
+                return ExitCode::from(4);
+            };
+            match Database::read(&p, &d) {
+                Ok(db) => {
+                    let glossary = wolf_decompiler::symbols::load_embedded_engine_glossary();
+                    db_strings_to_json(fname, &extract_db_strings(&db, &glossary))
+                }
+                Err(e) => {
+                    eprintln!("strings-extract: DB parse failed: {e}");
+                    return ExitCode::from(4);
+                }
+            }
+        }
+        _ => {
+            eprintln!("strings-extract: only CommonEvent.dat, .mps maps, .project databases, Game.dat, and event-text .txt files (or a folder of them) carry player text");
+            return ExitCode::from(64);
+        }
+    };
+    match output {
+        Some(out) => {
+            if let Err(e) = std::fs::write(&out, &json) {
+                eprintln!("strings-extract: write failed: {e}");
+                return ExitCode::from(4);
+            }
+            eprintln!("wrote {}", out.display());
+        }
+        None => {
+            use std::io::Write;
+            let _ = std::io::stdout().write_all(json.as_bytes());
+        }
+    }
+    ExitCode::SUCCESS
+}
+
+/// `wolf strings-audit <CommonEvent.dat|map.mps|X.project> -o <out.json>`. QA coverage dump.
+/// Lists every non-empty string arg / DB cell in the file, tagged with whether the player-text
+/// extractor keeps it. Ground truth for precision (kept-but-not-text) plus recall (text-but-dropped).
+pub(crate) fn cmd_strings_audit(args: &[String]) -> ExitCode {
+    let mut input: Option<PathBuf> = None;
+    let mut output: Option<PathBuf> = None;
+    let mut it = args.iter();
+    while let Some(a) = it.next() {
+        match a.as_str() {
+            "-o" | "--output" => output = it.next().map(PathBuf::from),
+            _ => input = Some(PathBuf::from(a)),
+        }
+    }
+    let Some(input) = input else {
+        eprintln!("strings-audit: usage: wolf strings-audit <CommonEvent.dat|map.mps|X.project> -o <out.json>");
+        return ExitCode::from(64);
+    };
+    let bytes = match std::fs::read(&input) {
+        Ok(b) => b,
+        Err(e) => {
+            eprintln!("strings-audit: cannot read {}: {e}", input.display());
+            return ExitCode::from(4);
+        }
+    };
+    let json = match classify(&input) {
+        FileKind::CommonEvent => match CommonEventsFile::read(&bytes) {
+            Ok(ce) => audit_common_events_to_json(&ce),
+            Err(e) => {
+                eprintln!("strings-audit: parse failed: {e}");
+                return ExitCode::from(4);
+            }
+        },
+        FileKind::Map => match Map::read(&bytes) {
+            Ok(m) => audit_map_to_json(&m),
+            Err(e) => {
+                eprintln!("strings-audit: parse failed: {e}");
+                return ExitCode::from(4);
+            }
+        },
+        FileKind::Database => {
+            let proj = if input.extension().and_then(|s| s.to_str()) == Some("project") {
+                input.clone()
+            } else {
+                input.with_extension("project")
+            };
+            let dat = proj.with_extension("dat");
+            let (Ok(p), Ok(d)) = (std::fs::read(&proj), std::fs::read(&dat)) else {
+                eprintln!("strings-audit: cannot read DB pair for {}", input.display());
+                return ExitCode::from(4);
+            };
+            match Database::read(&p, &d) {
+                Ok(db) => {
+                    let glossary = wolf_decompiler::symbols::load_embedded_engine_glossary();
+                    audit_db_to_json(&db, &glossary)
+                }
+                Err(e) => {
+                    eprintln!("strings-audit: DB parse failed: {e}");
+                    return ExitCode::from(4);
+                }
+            }
+        }
+        _ => {
+            eprintln!("strings-audit: only CommonEvent.dat, .mps maps, and .project databases");
+            return ExitCode::from(64);
+        }
+    };
+    match output {
+        Some(out) => {
+            if let Err(e) = std::fs::write(&out, &json) {
+                eprintln!("strings-audit: write failed: {e}");
+                return ExitCode::from(4);
+            }
+            eprintln!("wrote {}", out.display());
+        }
+        None => {
+            use std::io::Write;
+            let _ = std::io::stdout().write_all(json.as_bytes());
+        }
+    }
+    ExitCode::SUCCESS
+}
+
+/// `wolf strings-inject <edited.json> --base <orig> -o <out>`. Applies edited translations back,
+/// byte-exact. Only lines whose `text` differs from `source` (and still match the base) are
+/// changed. Everything else re-serializes identically.
+pub(crate) fn cmd_strings_inject(args: &[String]) -> ExitCode {
+    let mut input: Option<PathBuf> = None;
+    let mut base: Option<PathBuf> = None;
+    let mut output: Option<PathBuf> = None;
+    let mut opts = InjectOptions::default();
+    let mut it = args.iter();
+    while let Some(a) = it.next() {
+        match a.as_str() {
+            "-o" | "--output" => output = it.next().map(PathBuf::from),
+            "-b" | "--base" => base = it.next().map(PathBuf::from),
+            "--allow-code-drift" => opts.allow_code_drift = true,
+            "--en-punct" => opts.normalize_punct = true,
+            _ => input = Some(PathBuf::from(a)),
+        }
+    }
+    let (Some(input), Some(base), Some(output)) = (input, base, output) else {
+        eprintln!(
+            "strings-inject: usage: wolf strings-inject <edited.json> --base <orig> -o <out> [--allow-code-drift] [--en-punct]"
+        );
+        return ExitCode::from(64);
+    };
+    // Databases are a `.project`+`.dat` pair (write both).
+    if matches!(classify(&base), FileKind::Database) {
+        return strings_inject_db(&input, &base, &output, &opts);
+    }
+    // A directory base is a folder of external event-text `.txt` files (unpacked Evtext). The
+    // input JSON is the combined keyed-by-file document, and each file is written under `-o`.
+    if base.is_dir() {
+        return strings_inject_txt_dir(&input, &base, &output);
+    }
+    // A single external event-text `.txt` file.
+    if matches!(classify(&base), FileKind::TxtEvent) {
+        return strings_inject_txt_file(&input, &base, &output);
+    }
+    let (Ok(text), Ok(base_bytes)) = (std::fs::read_to_string(&input), std::fs::read(&base)) else {
+        eprintln!("strings-inject: cannot read input/base");
+        return ExitCode::from(4);
+    };
+    let (out_bytes, st) = match classify(&base) {
+        FileKind::CommonEvent => {
+            let mut ce = match CommonEventsFile::read(&base_bytes) {
+                Ok(c) => c,
+                Err(e) => {
+                    eprintln!("strings-inject: base parse failed: {e}");
+                    return ExitCode::from(4);
+                }
+            };
+            let st = match inject_common_events(&text, &mut ce, &opts) {
+                Ok(st) => st,
+                Err(e) => {
+                    eprintln!("strings-inject failed: {e}");
+                    return ExitCode::from(2);
+                }
+            };
+            let out = ce.write();
+            // Post-inject re-parse: never ship a structurally-corrupt file.
+            if let Err(e) = CommonEventsFile::read(&out) {
+                eprintln!("strings-inject: internal error - injected file no longer parses ({e}); aborting write to avoid a corrupt file. Please report.");
+                return ExitCode::from(2);
+            }
+            (out, st)
+        }
+        FileKind::Map => {
+            let mut m = match Map::read(&base_bytes) {
+                Ok(m) => m,
+                Err(e) => {
+                    eprintln!("strings-inject: base parse failed: {e}");
+                    return ExitCode::from(4);
+                }
+            };
+            let st = match inject_map(&text, &mut m, &opts) {
+                Ok(st) => st,
+                Err(e) => {
+                    eprintln!("strings-inject failed: {e}");
+                    return ExitCode::from(2);
+                }
+            };
+            let out = m.write();
+            if let Err(e) = Map::read(&out) {
+                eprintln!("strings-inject: internal error - injected file no longer parses ({e}); aborting write to avoid a corrupt file. Please report.");
+                return ExitCode::from(2);
+            }
+            (out, st)
+        }
+        FileKind::GameDat => {
+            let mut gd = match GameDat::read(&base_bytes) {
+                Ok(g) => g,
+                Err(e) => {
+                    eprintln!("strings-inject: base parse failed: {e}");
+                    return ExitCode::from(4);
+                }
+            };
+            let st = match inject_game_dat(&text, &mut gd, &opts) {
+                Ok(st) => st,
+                Err(e) => {
+                    eprintln!("strings-inject failed: {e}");
+                    return ExitCode::from(2);
+                }
+            };
+            let out = gd.write();
+            if let Err(e) = GameDat::read(&out) {
+                eprintln!("strings-inject: internal error - injected file no longer parses ({e}); aborting write to avoid a corrupt file. Please report.");
+                return ExitCode::from(2);
+            }
+            (out, st)
+        }
+        _ => {
+            eprintln!("strings-inject: base must be CommonEvent.dat, a .mps map, Game.dat, an event-text .txt file, or a folder of them");
+            return ExitCode::from(64);
+        }
+    };
+    let identical = out_bytes == base_bytes;
+    if let Err(e) = std::fs::write(&output, &out_bytes) {
+        eprintln!("strings-inject: write failed: {e}");
+        return ExitCode::from(4);
+    }
+    eprintln!(
+        "applied {} translation(s) ({} untranslated, {} drifted); wrote {}{}",
+        st.applied,
+        st.untranslated,
+        st.drifted,
+        output.display(),
+        if identical {
+            " (byte-identical to base)"
+        } else {
+            ""
+        }
+    );
+    guard_report(&st)
+}
+
+/// `wolf db-apply <edited.json> --base <X.project> -o <out.project>`. Applies value/row-name
+/// edits from a `db-json` export back onto a database, writing `<out.project>` and the sibling
+/// `<out.dat>`. Only cell values and row names change. Schema edits are rejected. Untouched
+/// data re-serializes byte-identical to the base.
+pub(crate) fn cmd_db_apply(args: &[String]) -> ExitCode {
+    let mut input: Option<PathBuf> = None;
+    let mut base: Option<PathBuf> = None;
+    let mut output: Option<PathBuf> = None;
+    let mut it = args.iter();
+    while let Some(a) = it.next() {
+        match a.as_str() {
+            "-o" | "--output" => output = it.next().map(PathBuf::from),
+            "-b" | "--base" => base = it.next().map(PathBuf::from),
+            _ => input = Some(PathBuf::from(a)),
+        }
+    }
+    let (Some(input), Some(base), Some(output)) = (input, base, output) else {
+        eprintln!(
+            "db-apply: usage: wolf db-apply <edited.json> --base <X.project> -o <out.project>"
+        );
+        return ExitCode::from(64);
+    };
+    let base_dat = base.with_extension("dat");
+    let out_dat = output.with_extension("dat");
+
+    let text = match std::fs::read_to_string(&input) {
+        Ok(t) => t,
+        Err(e) => {
+            eprintln!("db-apply: cannot read {}: {e}", input.display());
+            return ExitCode::from(4);
+        }
+    };
+    let (pb, db_) = match (std::fs::read(&base), std::fs::read(&base_dat)) {
+        (Ok(p), Ok(d)) => (p, d),
+        _ => {
+            eprintln!(
+                "db-apply: cannot read base pair {} + {}",
+                base.display(),
+                base_dat.display()
+            );
+            return ExitCode::from(4);
+        }
+    };
+    let mut db = match Database::read(&pb, &db_) {
+        Ok(d) => d,
+        Err(e) => {
+            eprintln!("db-apply: base parse failed: {e}");
+            return ExitCode::from(4);
+        }
+    };
+
+    let changed = match apply_database_edit(&text, &mut db) {
+        Ok(n) => n,
+        Err(e) => {
+            eprintln!("db-apply failed: {e}");
+            return ExitCode::from(2);
+        }
+    };
+
+    let (out_pb, out_db) = db.write();
+    let byte_identical = out_pb == pb && out_db == db_;
+    if let (Err(e), _) | (_, Err(e)) = (
+        std::fs::write(&output, &out_pb),
+        std::fs::write(&out_dat, &out_db),
+    ) {
+        eprintln!("db-apply: write failed: {e}");
+        return ExitCode::from(4);
+    }
+    eprintln!(
+        "wrote {} + {} ({changed} cell(s) changed{})",
+        output.display(),
+        out_dat.display(),
+        if byte_identical {
+            "; byte-identical to base"
+        } else {
+            ""
+        }
+    );
+    ExitCode::SUCCESS
+}
+
+// ----------------------------------------------------------------------------
+// gamedat-json / gamedat-apply: the FULL Game.dat field editor (all editable
+// string fields, not just the player-text subset that strings-extract exposes)
+// ----------------------------------------------------------------------------
+
+/// `wolf gamedat-json <Game.dat> [-o out.json]`. Dumps *every* editable Game.dat string field to
+/// JSON for inspection/editing (fonts, graphics, image paths and the player text). Structural
+/// fields are not exposed. Writes to `-o` (or stdout).
+pub(crate) fn cmd_gamedat_json(args: &[String]) -> ExitCode {
+    let mut input: Option<PathBuf> = None;
+    let mut output: Option<PathBuf> = None;
+    let mut it = args.iter();
+    while let Some(a) = it.next() {
+        match a.as_str() {
+            "-o" | "--output" => output = it.next().map(PathBuf::from),
+            _ => input = Some(PathBuf::from(a)),
+        }
+    }
+    let Some(input) = input else {
+        eprintln!("gamedat-json: usage: wolf gamedat-json <Game.dat> [-o out.json]");
+        return ExitCode::from(64);
+    };
+
+    let bytes = match std::fs::read(&input) {
+        Ok(b) => b,
+        Err(e) => {
+            eprintln!("gamedat-json: cannot read {}: {e}", input.display());
+            return ExitCode::from(4);
+        }
+    };
+    let gd = match GameDat::read(&bytes) {
+        Ok(gd) => gd,
+        Err(e) => {
+            eprintln!("gamedat-json: parse failed: {e}");
+            return ExitCode::from(4);
+        }
+    };
+    let json = dump_game_dat(&gd);
+    match output {
+        Some(out) => {
+            if let Err(e) = std::fs::write(&out, &json) {
+                eprintln!("gamedat-json: cannot write {}: {e}", out.display());
+                return ExitCode::from(4);
+            }
+            eprintln!("wrote {} ({} bytes)", out.display(), json.len());
+            ExitCode::SUCCESS
+        }
+        None => {
+            use std::io::Write;
+            let _ = std::io::stdout().write_all(json.as_bytes());
+            ExitCode::SUCCESS
+        }
+    }
+}
+
+/// `wolf gamedat-apply <edited.json> --base <Game.dat> -o <out>`. Applies full-field edits from a
+/// `gamedat-json` dump back onto a Game.dat, writing `<out>`. The output is re-parsed with
+/// `GameDat::read` to verify it round-trips before the write is reported. Untouched fields
+/// re-serialize byte-exact.
+pub(crate) fn cmd_gamedat_apply(args: &[String]) -> ExitCode {
+    let mut input: Option<PathBuf> = None;
+    let mut base: Option<PathBuf> = None;
+    let mut output: Option<PathBuf> = None;
+    let mut it = args.iter();
+    while let Some(a) = it.next() {
+        match a.as_str() {
+            "-o" | "--output" => output = it.next().map(PathBuf::from),
+            "-b" | "--base" => base = it.next().map(PathBuf::from),
+            _ => input = Some(PathBuf::from(a)),
+        }
+    }
+    let (Some(input), Some(base), Some(output)) = (input, base, output) else {
+        eprintln!("gamedat-apply: usage: wolf gamedat-apply <edited.json> --base <Game.dat> -o <out>");
+        return ExitCode::from(64);
+    };
+
+    let text = match std::fs::read_to_string(&input) {
+        Ok(t) => t,
+        Err(e) => {
+            eprintln!("gamedat-apply: cannot read {}: {e}", input.display());
+            return ExitCode::from(4);
+        }
+    };
+    let base_bytes = match std::fs::read(&base) {
+        Ok(b) => b,
+        Err(e) => {
+            eprintln!("gamedat-apply: cannot read base {}: {e}", base.display());
+            return ExitCode::from(4);
+        }
+    };
+    let mut gd = match GameDat::read(&base_bytes) {
+        Ok(gd) => gd,
+        Err(e) => {
+            eprintln!("gamedat-apply: base parse failed: {e}");
+            return ExitCode::from(4);
+        }
+    };
+
+    let changed = match apply_game_dat(&mut gd, &text) {
+        Ok(n) => n,
+        Err(e) => {
+            eprintln!("gamedat-apply failed: {e}");
+            return ExitCode::from(2);
+        }
+    };
+
+    let out = gd.write();
+    // Re-parse the output to verify it still round-trips before we commit it to disk.
+    if let Err(e) = GameDat::read(&out) {
+        eprintln!("gamedat-apply: internal error - edited file no longer parses ({e}); aborting write to avoid a corrupt file. Please report.");
+        return ExitCode::from(2);
+    }
+    let identical = out == base_bytes;
+    if let Err(e) = std::fs::write(&output, &out) {
+        eprintln!("gamedat-apply: write failed: {e}");
+        return ExitCode::from(4);
+    }
+    eprintln!(
+        "gamedat-apply: {changed} field(s) changed -> {}{}",
+        output.display(),
+        if identical {
+            " (byte-identical to base)"
+        } else {
+            ""
+        }
+    );
+    ExitCode::SUCCESS
+}
+
+// ----------------------------------------------------------------------------
+// names-extract / names-inject: the project-level DB name glossary
+// ----------------------------------------------------------------------------
+
+/// A database loaded for inject: `(project path, dat path, original project bytes, original dat
+/// bytes, parsed db)`. The original bytes let the caller report byte-identity. The parsed db is
+/// mutated in place by the inject.
+type LoadedDb = (PathBuf, PathBuf, Vec<u8>, Vec<u8>, Database);
+
+/// The translatable files of a data dir, located the same way the other commands do: the three
+/// standard DB pairs and `CommonEvent.dat` under `<dir>` or `<dir>/BasicData`, and every `*.mps`
+/// map under `<dir>` or `<dir>/MapData`. Each entry keeps the on-disk paths so an inject can write
+/// each file back to where it came from.
+struct DataDirFiles {
+    /// (`.project` path, `.dat` path) for each found database pair.
+    dbs: Vec<(PathBuf, PathBuf)>,
+    /// Path to `CommonEvent.dat`, if present.
+    common_event: Option<PathBuf>,
+    /// Every `*.mps` map path.
+    maps: Vec<PathBuf>,
+}
+
+/// Resolve which of `dir` / `dir/BasicData` holds the BasicData files (`CommonEvent.dat` + DB
+/// pairs), mirroring `cmd_export_names`.
+fn basic_data_dir(dir: &Path) -> PathBuf {
+    if dir.join("CommonEvent.dat").exists() || dir.join("DataBase.project").exists() {
+        dir.to_path_buf()
+    } else if dir.join("BasicData").join("CommonEvent.dat").exists()
+        || dir.join("BasicData").join("DataBase.project").exists()
+    {
+        dir.join("BasicData")
+    } else {
+        dir.to_path_buf()
+    }
+}
+
+/// Discover the translatable files under a data dir for the name glossary.
+fn discover_data_dir(dir: &Path) -> DataDirFiles {
+    let basic = basic_data_dir(dir);
+    let mut dbs = Vec::new();
+    for stem in ["DataBase", "CDataBase", "SysDatabase"] {
+        let proj = basic.join(format!("{stem}.project"));
+        let dat = basic.join(format!("{stem}.dat"));
+        if proj.exists() && dat.exists() {
+            dbs.push((proj, dat));
+        }
+    }
+    let common_event = {
+        let ce = basic.join("CommonEvent.dat");
+        ce.exists().then_some(ce)
+    };
+    // Maps live in MapData (or directly under dir for a flattened layout).
+    let mut maps = Vec::new();
+    for sub in [dir.to_path_buf(), dir.join("MapData")] {
+        let Ok(rd) = std::fs::read_dir(&sub) else {
+            continue;
+        };
+        for e in rd.flatten() {
+            let p = e.path();
+            if p.extension().and_then(|s| s.to_str()) == Some("mps") {
+                maps.push(p);
+            }
+        }
+    }
+    maps.sort();
+    maps.dedup();
+    DataDirFiles {
+        dbs,
+        common_event,
+        maps,
+    }
+}
+
+/// `wolf names-extract <data-dir> -o names.json`. Builds the project-level DB **name glossary**:
+/// every unique row name / name-display cell value across the dir's databases, with an occurrence
+/// count (DB cells + row names + by-name command refs) and an originating-type hint. `text` starts
+/// equal to `source`. A translator edits `text`, and `names-inject` applies it consistently.
+pub(crate) fn cmd_names_extract(args: &[String]) -> ExitCode {
+    let mut input: Option<PathBuf> = None;
+    let mut output: Option<PathBuf> = None;
+    let mut it = args.iter();
+    while let Some(a) = it.next() {
+        match a.as_str() {
+            "-o" | "--output" => output = it.next().map(PathBuf::from),
+            _ => input = Some(PathBuf::from(a)),
+        }
+    }
+    let Some(dir) = input else {
+        eprintln!("names-extract: usage: wolf names-extract <data-dir> -o <names.json>");
+        return ExitCode::from(64);
+    };
+
+    let found = discover_data_dir(&dir);
+    // Parse the databases.
+    let mut dbs = Vec::new();
+    for (proj, dat) in &found.dbs {
+        match (std::fs::read(proj), std::fs::read(dat)) {
+            (Ok(p), Ok(d)) => match Database::read(&p, &d) {
+                Ok(db) => dbs.push(db),
+                Err(e) => eprintln!("names-extract: skip {}: {e}", proj.display()),
+            },
+            _ => eprintln!("names-extract: cannot read {}", proj.display()),
+        }
+    }
+    // Parse the common events (optional).
+    let ce = found.common_event.as_ref().and_then(|p| {
+        std::fs::read(p)
+            .ok()
+            .and_then(|b| CommonEventsFile::read(&b).ok())
+    });
+    // Parse the maps.
+    let mut maps = Vec::new();
+    for p in &found.maps {
+        if let Ok(b) = std::fs::read(p) {
+            if let Ok(m) = Map::read(&b) {
+                maps.push(m);
+            }
+        }
+    }
+
+    if dbs.is_empty() {
+        eprintln!(
+            "names-extract: no databases found under {} (looked in {} and BasicData)",
+            dir.display(),
+            dir.display()
+        );
+        return ExitCode::from(4);
+    }
+
+    let ce_refs: Vec<&CommonEventsFile> = ce.iter().collect();
+    let glossary = wolf_decompiler::symbols::load_embedded_engine_glossary();
+    let json = extract_names(&dbs, &ce_refs, &maps, &glossary);
+
+    // A small count of distinct names for the operator (`count` is also embedded in the JSON).
+    let n = json.matches("\"source\"").count();
+    match output {
+        Some(out) => {
+            if let Err(e) = std::fs::write(&out, &json) {
+                eprintln!("names-extract: write failed: {e}");
+                return ExitCode::from(4);
+            }
+            eprintln!(
+                "wrote {} ({n} distinct name(s) from {} DB(s), {} map(s){})",
+                out.display(),
+                dbs.len(),
+                maps.len(),
+                if ce.is_some() { ", CommonEvent" } else { "" }
+            );
+        }
+        None => {
+            use std::io::Write;
+            let _ = std::io::stdout().write_all(json.as_bytes());
+        }
+    }
+    ExitCode::SUCCESS
+}
+
+/// `wolf names-inject <names.json> --data <data-dir> [-o <out-dir>]`. Applies the edited name
+/// glossary consistently across the whole data dir: every stored row name, name-display cell
+/// value, and by-name command reference that equals a translated source is rewritten together
+/// (drift-/code-/encoding-guarded). Writes in place by default, or under `-o <out-dir>` mirroring
+/// the input layout. Each written file is re-parsed to guarantee it is not structurally corrupt.
+pub(crate) fn cmd_names_inject(args: &[String]) -> ExitCode {
+    let mut input: Option<PathBuf> = None;
+    let mut data: Option<PathBuf> = None;
+    let mut out_dir: Option<PathBuf> = None;
+    let mut opts = InjectOptions::default();
+    let mut it = args.iter();
+    while let Some(a) = it.next() {
+        match a.as_str() {
+            "--data" => data = it.next().map(PathBuf::from),
+            "-o" | "--output" => out_dir = it.next().map(PathBuf::from),
+            "--allow-code-drift" => opts.allow_code_drift = true,
+            "--en-punct" => opts.normalize_punct = true,
+            _ => input = Some(PathBuf::from(a)),
+        }
+    }
+    let (Some(input), Some(dir)) = (input, data) else {
+        eprintln!(
+            "names-inject: usage: wolf names-inject <names.json> --data <data-dir> [-o <out-dir>] [--allow-code-drift] [--en-punct]"
+        );
+        return ExitCode::from(64);
+    };
+    let names_json = match std::fs::read_to_string(&input) {
+        Ok(t) => t,
+        Err(e) => {
+            eprintln!("names-inject: cannot read {}: {e}", input.display());
+            return ExitCode::from(4);
+        }
+    };
+
+    let found = discover_data_dir(&dir);
+
+    // Parse everything up front and abort on any read/parse failure, so a partial write can't
+    // desync the name mirrors. The glossary exists to keep names consistent across files.
+    let mut dbs: Vec<LoadedDb> = Vec::new();
+    for (proj, dat) in &found.dbs {
+        let (Ok(p), Ok(d)) = (std::fs::read(proj), std::fs::read(dat)) else {
+            eprintln!("names-inject: cannot read DB pair {}", proj.display());
+            return ExitCode::from(4);
+        };
+        match Database::read(&p, &d) {
+            Ok(db) => dbs.push((proj.clone(), dat.clone(), p, d, db)),
+            Err(e) => {
+                eprintln!("names-inject: DB parse failed for {}: {e}", proj.display());
+                return ExitCode::from(4);
+            }
+        }
+    }
+    let mut ce: Option<(PathBuf, Vec<u8>, CommonEventsFile)> = None;
+    if let Some(p) = &found.common_event {
+        let Ok(b) = std::fs::read(p) else {
+            eprintln!("names-inject: cannot read {}", p.display());
+            return ExitCode::from(4);
+        };
+        match CommonEventsFile::read(&b) {
+            Ok(c) => ce = Some((p.clone(), b, c)),
+            Err(e) => {
+                eprintln!("names-inject: CommonEvent parse failed: {e}");
+                return ExitCode::from(4);
+            }
+        }
+    }
+    let mut maps: Vec<(PathBuf, Vec<u8>, Map)> = Vec::new();
+    for p in &found.maps {
+        let Ok(b) = std::fs::read(p) else {
+            eprintln!("names-inject: cannot read {}", p.display());
+            return ExitCode::from(4);
+        };
+        match Map::read(&b) {
+            Ok(m) => maps.push((p.clone(), b, m)),
+            Err(e) => {
+                eprintln!("names-inject: map parse failed for {}: {e}", p.display());
+                return ExitCode::from(4);
+            }
+        }
+    }
+    if dbs.is_empty() {
+        eprintln!("names-inject: no databases found under {}", dir.display());
+        return ExitCode::from(4);
+    }
+
+    // Apply across all parsed files at once.
+    let glossary = wolf_decompiler::symbols::load_embedded_engine_glossary();
+    let st = {
+        let mut db_vec: Vec<Database> = dbs.iter().map(|(_, _, _, _, db)| db.clone()).collect();
+        let mut ce_vec: Vec<&mut CommonEventsFile> =
+            ce.as_mut().map(|(_, _, c)| c).into_iter().collect();
+        let mut map_vec: Vec<Map> = maps.iter().map(|(_, _, m)| m.clone()).collect();
+        let st = match inject_names(
+            &names_json,
+            &mut db_vec,
+            &mut ce_vec,
+            &mut map_vec,
+            &opts,
+            &glossary,
+        ) {
+            Ok(st) => st,
+            Err(e) => {
+                eprintln!("names-inject failed: {e}");
+                return ExitCode::from(2);
+            }
+        };
+        // Move the mutated copies back into the path-keyed records.
+        for ((_, _, _, _, db), new) in dbs.iter_mut().zip(db_vec) {
+            *db = new;
+        }
+        for ((_, _, m), new) in maps.iter_mut().zip(map_vec) {
+            *m = new;
+        }
+        st
+    };
+
+    // Compute output paths (in place, or remapped under -o mirroring the relative layout).
+    let remap = |orig: &Path| -> PathBuf {
+        match &out_dir {
+            Some(od) => od.join(rel(&dir, orig)),
+            None => orig.to_path_buf(),
+        }
+    };
+
+    let mut written = 0usize;
+    // Databases (write both halves, then re-parse to never ship a corrupt pair).
+    for (proj, dat, _, _, db) in &dbs {
+        let (op, od) = db.write();
+        if Database::read(&op, &od).is_err() {
+            eprintln!(
+                "names-inject: internal error - injected DB {} no longer parses; aborting write to avoid corruption. Please report.",
+                proj.display()
+            );
+            return ExitCode::from(2);
+        }
+        let (out_proj, out_dat) = (remap(proj), remap(dat));
+        if let Some(parent) = out_proj.parent() {
+            let _ = std::fs::create_dir_all(parent);
+        }
+        if let (Err(e), _) | (_, Err(e)) = (
+            std::fs::write(&out_proj, &op),
+            std::fs::write(&out_dat, &od),
+        ) {
+            eprintln!("names-inject: write failed: {e}");
+            return ExitCode::from(4);
+        }
+        written += 1;
+    }
+    // CommonEvent.
+    if let Some((p, _, c)) = &ce {
+        let out = c.write();
+        if CommonEventsFile::read(&out).is_err() {
+            eprintln!("names-inject: internal error - injected CommonEvent no longer parses; aborting. Please report.");
+            return ExitCode::from(2);
+        }
+        let outp = remap(p);
+        if let Some(parent) = outp.parent() {
+            let _ = std::fs::create_dir_all(parent);
+        }
+        if let Err(e) = std::fs::write(&outp, &out) {
+            eprintln!("names-inject: write failed: {e}");
+            return ExitCode::from(4);
+        }
+        written += 1;
+    }
+    // Maps.
+    for (p, _, m) in &maps {
+        let out = m.write();
+        if Map::read(&out).is_err() {
+            eprintln!(
+                "names-inject: internal error - injected map {} no longer parses; aborting. Please report.",
+                p.display()
+            );
+            return ExitCode::from(2);
+        }
+        let outp = remap(p);
+        if let Some(parent) = outp.parent() {
+            let _ = std::fs::create_dir_all(parent);
+        }
+        if let Err(e) = std::fs::write(&outp, &out) {
+            eprintln!("names-inject: write failed: {e}");
+            return ExitCode::from(4);
+        }
+        written += 1;
+    }
+
+    eprintln!(
+        "applied {} name change(s) ({} drifted/unmatched); wrote {written} file(s){}",
+        st.applied,
+        st.drifted,
+        match &out_dir {
+            Some(od) => format!(" under {}", od.display()),
+            None => " in place".to_string(),
+        }
+    );
+    guard_report(&st)
+}
+
+/// `wolf names-check <file.json>...`. Checks a set of translation JSONs (names.json, db-strings,
+/// scenes) for **name-translation conflicts**: a glossary name (a `names.json` source) that is
+/// translated to two or more distinct values across the files. This is the consistency guard for
+/// the disjoint-ownership split. A name must translate to ONE value everywhere or by-name DB
+/// lookups break. Exits non-zero (2) if any conflict is found. Only exact, full-string name
+/// matches count (a name inside a dialogue sentence is a different source, never a conflict).
+pub(crate) fn cmd_names_check(args: &[String]) -> ExitCode {
+    let paths: Vec<PathBuf> = args.iter().map(PathBuf::from).collect();
+    if paths.is_empty() {
+        eprintln!("names-check: usage: wolf names-check <file.json>...");
+        return ExitCode::from(64);
+    }
+
+    // Load every file up front (so the conflict scan sees them all). A read failure is fatal.
+    let mut loaded: Vec<(String, String)> = Vec::new();
+    for p in &paths {
+        match std::fs::read_to_string(p) {
+            Ok(text) => loaded.push((p.display().to_string(), text)),
+            Err(e) => {
+                eprintln!("names-check: cannot read {}: {e}", p.display());
+                return ExitCode::from(4);
+            }
+        }
+    }
+    let refs: Vec<(String, &str)> = loaded
+        .iter()
+        .map(|(name, text)| (name.clone(), text.as_str()))
+        .collect();
+
+    let conflicts = check_name_conflicts(&refs);
+    if conflicts.is_empty() {
+        eprintln!(
+            "names-check: OK - no name-translation conflicts across {} file(s)",
+            loaded.len()
+        );
+        return ExitCode::SUCCESS;
+    }
+
+    eprintln!(
+        "names-check: FOUND {} name(s) translated inconsistently:\n",
+        conflicts.len()
+    );
+    for c in &conflicts {
+        eprintln!("  {:?} has {} divergent translations:", c.source, c.variants.len());
+        for v in &c.variants {
+            eprintln!("      -> {:?}   (in {})", v.text, v.files.join(", "));
+        }
+    }
+    eprintln!(
+        "\nEach conflicting name must translate to ONE value everywhere, or by-name DB lookups break."
+    );
+    ExitCode::from(2)
+}
+
+// ----------------------------------------------------------------------------
+// translations-merge: incremental translation memory across a game update
+// ----------------------------------------------------------------------------
+
+/// Collect every `*.json` under `path` (recursively) if it is a directory, or `path` itself if it
+/// is a single `.json` file. Sorted for deterministic memory-build order.
+fn collect_json_files(path: &Path) -> Vec<PathBuf> {
+    let mut out = Vec::new();
+    if path.is_dir() {
+        let mut all = Vec::new();
+        collect(path, &mut all);
+        for p in all {
+            if p.extension().and_then(|s| s.to_str()) == Some("json") {
+                out.push(p);
+            }
+        }
+    } else if path.extension().and_then(|s| s.to_str()) == Some("json") {
+        out.push(path.to_path_buf());
+    }
+    out.sort();
+    out
+}
+
+/// `wolf translations-merge --old <path>... --new <dir> -o <out-dir>`. Incremental **translation
+/// memory**: carry the translations from an OLD (already-translated) extraction over into a freshly
+/// re-extracted NEW set, matched by exact source string, so only genuinely new/changed lines stay
+/// untranslated after a game update.
+///
+/// `--old` takes one or more files or directories (dirs are walked for `*.json`). ALL of them build
+/// one global memory. For each `*.json` under `--new <dir>` (recursive), the memory is applied and
+/// the result written to `<out-dir>/<same relative path>`. Prints a per-file line plus a TOTAL, the
+/// count of memory sources dropped (removed in the update), and a conflict count. Exits 0 normally.
+pub(crate) fn cmd_translations_merge(args: &[String]) -> ExitCode {
+    let mut old_paths: Vec<PathBuf> = Vec::new();
+    let mut new_dir: Option<PathBuf> = None;
+    let mut out_dir: Option<PathBuf> = None;
+    let mut it = args.iter();
+    while let Some(a) = it.next() {
+        match a.as_str() {
+            // --old greedily takes every following token until the next flag.
+            "--old" => {
+                while let Some(next) = it.clone().next() {
+                    if next.starts_with('-') {
+                        break;
+                    }
+                    old_paths.push(PathBuf::from(it.next().unwrap()));
+                }
+            }
+            "--new" => new_dir = it.next().map(PathBuf::from),
+            "-o" | "--output" => out_dir = it.next().map(PathBuf::from),
+            _ => old_paths.push(PathBuf::from(a)),
+        }
+    }
+    let (Some(new_dir), Some(out_dir)) = (new_dir, out_dir) else {
+        eprintln!(
+            "translations-merge: usage: wolf translations-merge --old <path>... --new <dir> -o <out-dir>"
+        );
+        return ExitCode::from(64);
+    };
+    if old_paths.is_empty() {
+        eprintln!("translations-merge: --old needs at least one file or directory");
+        return ExitCode::from(64);
+    }
+
+    // Build ONE global memory from every old JSON (files + every *.json under old dirs).
+    let mut old_files: Vec<PathBuf> = Vec::new();
+    for p in &old_paths {
+        old_files.extend(collect_json_files(p));
+    }
+    old_files.sort();
+    old_files.dedup();
+    if old_files.is_empty() {
+        eprintln!("translations-merge: no *.json found under the --old path(s)");
+        return ExitCode::from(4);
+    }
+    let mut old_texts: Vec<String> = Vec::with_capacity(old_files.len());
+    for p in &old_files {
+        match std::fs::read_to_string(p) {
+            Ok(t) => old_texts.push(t),
+            Err(e) => {
+                eprintln!("translations-merge: cannot read {}: {e}", p.display());
+                return ExitCode::from(4);
+            }
+        }
+    }
+    let old_refs: Vec<&str> = old_texts.iter().map(String::as_str).collect();
+    let (memory, conflicts) = build_memory(&old_refs);
+
+    // Apply the memory to every *.json under --new, writing to <out-dir>/<relative path>.
+    let new_files = collect_json_files(&new_dir);
+    if new_files.is_empty() {
+        eprintln!(
+            "translations-merge: no *.json found under --new {}",
+            new_dir.display()
+        );
+        return ExitCode::from(4);
+    }
+
+    let mut total = MergeStats::default();
+    let mut new_texts: Vec<String> = Vec::with_capacity(new_files.len());
+    for path in &new_files {
+        let text = match std::fs::read_to_string(path) {
+            Ok(t) => t,
+            Err(e) => {
+                eprintln!("translations-merge: cannot read {}: {e}", path.display());
+                return ExitCode::from(4);
+            }
+        };
+        let (merged, stats) = match apply_memory(&text, &memory) {
+            Ok(r) => r,
+            Err(e) => {
+                eprintln!("translations-merge: {}: {e}", path.display());
+                return ExitCode::from(4);
+            }
+        };
+        new_texts.push(text);
+
+        let out_path = out_dir.join(rel(&new_dir, path));
+        if let Some(parent) = out_path.parent() {
+            if let Err(e) = std::fs::create_dir_all(parent) {
+                eprintln!("translations-merge: cannot create {}: {e}", parent.display());
+                return ExitCode::from(4);
+            }
+        }
+        if let Err(e) = std::fs::write(&out_path, &merged) {
+            eprintln!("translations-merge: write failed for {}: {e}", out_path.display());
+            return ExitCode::from(4);
+        }
+        println!(
+            "{}: carried={} still_new={} kept_existing={}",
+            rel(&new_dir, path),
+            stats.carried,
+            stats.still_new,
+            stats.kept_existing
+        );
+        total.carried += stats.carried;
+        total.still_new += stats.still_new;
+        total.kept_existing += stats.kept_existing;
+    }
+
+    // Reporting: memory sources that no new file still contains (removed in the update).
+    let new_refs: Vec<&str> = new_texts.iter().map(String::as_str).collect();
+    let dropped = dropped_sources(&memory, &new_refs);
+
+    println!(
+        "TOTAL: carried={} still_new={} kept_existing={} (memory={} entries, {} new file(s))",
+        total.carried,
+        total.still_new,
+        total.kept_existing,
+        memory.len(),
+        new_files.len()
+    );
+    println!("dropped (removed in update): {}", dropped.len());
+    println!("conflicts: {}", conflicts.len());
+    for (source, variants) in conflicts.iter().take(5) {
+        println!("  {source:?} -> kept {:?} (also {:?})", variants[0], &variants[1..]);
+    }
+    if conflicts.len() > 5 {
+        println!("  ... and {} more", conflicts.len() - 5);
+    }
+    ExitCode::SUCCESS
+}
+
+// ----------------------------------------------------------------------------
+// save-update: refresh a baked save's title + player-facing strings for the translation
+// ----------------------------------------------------------------------------
+
+/// Read the `Title` entry out of a translated `Game.dat` (via the existing GameDat support plus
+/// `extract_game_dat`), to use as the save's new baked title. `extract_game_dat` always emits the
+/// `Title` line first, decoded in the file's encoding. We pull its `source` text out of that JSON.
+fn title_from_game_dat(path: &Path) -> Result<String, String> {
+    let bytes = std::fs::read(path).map_err(|e| format!("cannot read {}: {e}", path.display()))?;
+    let gd = GameDat::read(&bytes).map_err(|e| format!("Game.dat parse failed: {e}"))?;
+    let json = extract_game_dat(&gd);
+    // wolf-cli has no JSON dep. The gamedat extraction has a fixed line shape
+    // (`{"key": "Title", "source": "...", ...}`), so scan for the Title line's `source` value.
+    extract_json_string_after(&json, "\"key\": \"Title\"", "\"source\":")
+        .ok_or_else(|| format!("{} has no Title entry", path.display()))
+}
+
+/// Minimal forward scan: find `marker`, then the next `field` after it, and unescape the JSON
+/// string value that follows. Sufficient for the fixed, machine-generated `extract_game_dat` shape.
+/// Avoids pulling serde_json into the CLI crate. Returns `None` if the shape is unexpected.
+fn extract_json_string_after(json: &str, marker: &str, field: &str) -> Option<String> {
+    let after_marker = &json[json.find(marker)?..];
+    // Advance past the field token itself (e.g. `"source":`). The value's opening quote is next.
+    let field_at = after_marker.find(field)?;
+    let after_field = &after_marker[field_at + field.len()..];
+    let open = after_field.find('"')? + 1; // first byte of the value, after its opening quote
+    let rest = &after_field[open..];
+    let mut out = String::new();
+    let mut chars = rest.chars();
+    while let Some(c) = chars.next() {
+        match c {
+            '"' => return Some(out),
+            '\\' => match chars.next()? {
+                'n' => out.push('\n'),
+                'r' => out.push('\r'),
+                't' => out.push('\t'),
+                '"' => out.push('"'),
+                '\\' => out.push('\\'),
+                '/' => out.push('/'),
+                'u' => {
+                    let hex: String = chars.by_ref().take(4).collect();
+                    let code = u32::from_str_radix(&hex, 16).ok()?;
+                    out.push(char::from_u32(code)?);
+                }
+                other => out.push(other),
+            },
+            _ => out.push(c),
+        }
+    }
+    None
+}
+
+/// Build the `source -> target` baked-string map from the same translation JSONs used for the
+/// game, by reusing [`build_memory`]. `--translations` takes files and/or directories (dirs are
+/// walked for `*.json`). Reports any divergent sources but keeps the first (memory) value.
+fn build_save_string_map(paths: &[PathBuf]) -> Result<std::collections::HashMap<String, String>, ExitCode> {
+    let mut files: Vec<PathBuf> = Vec::new();
+    for p in paths {
+        files.extend(collect_json_files(p));
+    }
+    files.sort();
+    files.dedup();
+    let mut texts: Vec<String> = Vec::with_capacity(files.len());
+    for p in &files {
+        match std::fs::read_to_string(p) {
+            Ok(t) => texts.push(t),
+            Err(e) => {
+                eprintln!("save-update: cannot read {}: {e}", p.display());
+                return Err(ExitCode::from(4));
+            }
+        }
+    }
+    let refs: Vec<&str> = texts.iter().map(String::as_str).collect();
+    let (memory, conflicts) = build_memory(&refs);
+    if !conflicts.is_empty() {
+        eprintln!(
+            "save-update: note: {} source(s) had divergent translations across files; kept the first",
+            conflicts.len()
+        );
+    }
+    Ok(memory)
+}
+
+/// A short timestamp (`YYYYmmdd_HHMMSS`) from the system clock, for the backup dir name. Avoids a
+/// chrono dependency by formatting the civil date from the Unix epoch seconds directly.
+fn backup_stamp() -> String {
+    let secs = std::time::SystemTime::now()
+        .duration_since(std::time::UNIX_EPOCH)
+        .map(|d| d.as_secs())
+        .unwrap_or(0);
+    let days = secs / 86_400;
+    let tod = secs % 86_400;
+    let (hh, mm, ss) = (tod / 3600, (tod % 3600) / 60, tod % 60);
+    // Civil-from-days (Howard Hinnant's algorithm), giving a stable, monotonic, unique-enough stamp.
+    let z = days as i64 + 719_468;
+    let era = if z >= 0 { z } else { z - 146_096 } / 146_097;
+    let doe = z - era * 146_097;
+    let yoe = (doe - doe / 1460 + doe / 36_524 - doe / 146_096) / 365;
+    let y = yoe + era * 400;
+    let doy = doe - (365 * yoe + yoe / 4 - yoe / 100);
+    let mp = (5 * doy + 2) / 153;
+    let d = doy - (153 * mp + 2) / 5 + 1;
+    let m = if mp < 10 { mp + 3 } else { mp - 9 };
+    let year = if m <= 2 { y + 1 } else { y };
+    format!("{year:04}{m:02}{d:02}_{hh:02}{mm:02}{ss:02}")
+}
+
+/// `wolf save-update <save.sav|dir> [-o <out>] [--title <text> | --game <Game.dat>]
+/// [--translations <file-or-dir>...]`. Rewrites the baked title to match the translated build and
+/// refreshes the baked player-facing strings using the same translation JSONs applied to the game,
+/// so an old/Japanese save loads cleanly. A directory input updates every `*.sav` inside it. A file
+/// updates just that file. Default output is in place (originals backed up to
+/// `<dir>/save_backup_<stamp>/` first), or `-o <path-or-dir>` writes copies elsewhere. Both the
+/// standard codec and the GamePro Pro (marker-3) codec are supported. A buffer that is neither
+/// is reported and skipped, never mangled.
+pub(crate) fn cmd_save_update(args: &[String]) -> ExitCode {
+    let mut input: Option<PathBuf> = None;
+    let mut output: Option<PathBuf> = None;
+    let mut title: Option<String> = None;
+    let mut game: Option<PathBuf> = None;
+    let mut translations: Vec<PathBuf> = Vec::new();
+    let mut it = args.iter();
+    while let Some(a) = it.next() {
+        match a.as_str() {
+            "-o" | "--output" => output = it.next().map(PathBuf::from),
+            "--title" => title = it.next().cloned(),
+            "--game" => game = it.next().map(PathBuf::from),
+            // --translations greedily takes every following token until the next flag.
+            "--translations" => {
+                while let Some(next) = it.clone().next() {
+                    if next.starts_with('-') {
+                        break;
+                    }
+                    translations.push(PathBuf::from(it.next().unwrap()));
+                }
+            }
+            _ => input = Some(PathBuf::from(a)),
+        }
+    }
+    let Some(input) = input else {
+        eprintln!(
+            "save-update: usage: wolf save-update <save.sav|dir> [-o <out>] \
+             [--title <text> | --game <Game.dat>] [--translations <file-or-dir>...]"
+        );
+        return ExitCode::from(64);
+    };
+    if title.is_some() && game.is_some() {
+        eprintln!("save-update: pass at most one of --title / --game");
+        return ExitCode::from(64);
+    }
+
+    // Resolve the new title (literal, or read from a translated Game.dat), if any.
+    let new_title: Option<String> = match (&title, &game) {
+        (Some(t), _) => Some(t.clone()),
+        (None, Some(g)) => match title_from_game_dat(g) {
+            Ok(t) => {
+                eprintln!("save-update: title from {} = {t:?}", g.display());
+                Some(t)
+            }
+            Err(e) => {
+                eprintln!("save-update: {e}");
+                return ExitCode::from(4);
+            }
+        },
+        (None, None) => None,
+    };
+
+    // Build the baked-string translation map (empty if --translations was not given).
+    let strings = if translations.is_empty() {
+        std::collections::HashMap::new()
+    } else {
+        match build_save_string_map(&translations) {
+            Ok(m) => m,
+            Err(code) => return code,
+        }
+    };
+    if new_title.is_none() && strings.is_empty() {
+        eprintln!("save-update: nothing to do (give --title/--game and/or --translations)");
+        return ExitCode::from(64);
+    }
+
+    // Discover the save files to process.
+    let saves: Vec<PathBuf> = if input.is_dir() {
+        let mut v: Vec<PathBuf> = std::fs::read_dir(&input)
+            .into_iter()
+            .flatten()
+            .flatten()
+            .map(|e| e.path())
+            .filter(|p| p.is_file() && p.extension().and_then(|s| s.to_str()) == Some("sav"))
+            .collect();
+        v.sort();
+        v
+    } else {
+        vec![input.clone()]
+    };
+    if saves.is_empty() {
+        eprintln!("save-update: no *.sav files found under {}", input.display());
+        return ExitCode::from(4);
+    }
+
+    // Resolve where each save's output goes, and (for in-place) back up the originals first.
+    let dir_input = input.is_dir();
+    let in_place = output.is_none();
+    if in_place {
+        // Back up the originals before overwriting (mirrors the reference tool).
+        let backup_root = if dir_input {
+            input.join(format!("save_backup_{}", backup_stamp()))
+        } else {
+            let parent = input.parent().unwrap_or(Path::new("."));
+            parent.join(format!("save_backup_{}", backup_stamp()))
+        };
+        if let Err(e) = std::fs::create_dir_all(&backup_root) {
+            eprintln!("save-update: cannot create backup dir {}: {e}", backup_root.display());
+            return ExitCode::from(4);
+        }
+        for src in &saves {
+            let name = src.file_name().unwrap_or_default();
+            if let Err(e) = std::fs::copy(src, backup_root.join(name)) {
+                eprintln!("save-update: backup failed for {}: {e}", src.display());
+                return ExitCode::from(4);
+            }
+        }
+        eprintln!("save-update: backed up {} original(s) to {}", saves.len(), backup_root.display());
+    } else if dir_input {
+        // -o <dir> for a directory input: ensure it exists.
+        if let Some(od) = &output {
+            if let Err(e) = std::fs::create_dir_all(od) {
+                eprintln!("save-update: cannot create output dir {}: {e}", od.display());
+                return ExitCode::from(4);
+            }
+        }
+    }
+
+    let mut updated = 0usize;
+    let mut skipped = 0usize;
+    let mut had_error = false;
+    for src in &saves {
+        let name = src
+            .file_name()
+            .and_then(|s| s.to_str())
+            .unwrap_or("?")
+            .to_string();
+        let raw = match std::fs::read(src) {
+            Ok(b) => b,
+            Err(e) => {
+                eprintln!("{name}: read failed: {e}");
+                had_error = true;
+                continue;
+            }
+        };
+        match update_save(&raw, new_title.as_deref(), &strings) {
+            Ok((out_bytes, stats)) => {
+                let dest = match &output {
+                    None => src.clone(), // in place
+                    Some(o) if dir_input => o.join(&name),
+                    Some(o) => o.clone(), // single-file -o <file>
+                };
+                if let Some(parent) = dest.parent() {
+                    let _ = std::fs::create_dir_all(parent);
+                }
+                if let Err(e) = std::fs::write(&dest, &out_bytes) {
+                    eprintln!("{name}: write failed: {e}");
+                    had_error = true;
+                    continue;
+                }
+                println!(
+                    "{name}: title={} strings={} enc={}",
+                    u8::from(stats.title_changed),
+                    stats.strings_replaced,
+                    stats.encoding
+                );
+                updated += 1;
+            }
+            Err(_) => {
+                // Err means the buffer is neither a standard 0x19 save nor a detectable GamePro
+                // Pro (marker-3) save. Report and skip, never write.
+                println!("{name}: SKIPPED (unsupported save encryption)");
+                skipped += 1;
+            }
+        }
+    }
+
+    eprintln!("save-update: {updated} updated, {skipped} skipped");
+    if had_error {
+        ExitCode::from(4)
+    } else {
+        ExitCode::SUCCESS
+    }
+}
+
+fn db_json_one(proj: &Path) -> Result<String, String> {
+    let dat = proj.with_extension("dat");
+    let pb = std::fs::read(proj).map_err(|e| e.to_string())?;
+    let db_ = std::fs::read(&dat).map_err(|e| e.to_string())?;
+    let db = Database::read(&pb, &db_).map_err(|e| e.to_string())?;
+    let kind = match proj.file_stem().and_then(|s| s.to_str()) {
+        Some("DataBase") => "UDB",
+        Some("CDataBase") => "CDB",
+        Some("SysDatabase") => "SDB",
+        Some(other) => other,
+        None => "DB",
+    };
+    let glossary = wolf_decompiler::symbols::load_embedded_engine_glossary();
+    Ok(database_to_json(&db, kind, &glossary))
+}
+
+/// `wolf pack <dir> -o <out.wolf>`. Packs a directory tree into an unencrypted, engine-
+/// loadable DXArchive (VER8). The archive round-trips byte-exact through `wolf unpack`.
+pub(crate) fn cmd_pack(args: &[String]) -> ExitCode {
+    let mut input: Option<PathBuf> = None;
+    let mut output: Option<PathBuf> = None;
+    let mut encrypt = false;
+    let mut version: u16 = 0x12C; // v3.00 default when --encrypt is given without --version
+    let mut pwd: Option<[u8; 15]> = None;
+    let mut like: Option<PathBuf> = None;
+    let mut format: Option<String> = None; // "ver5" | "ver6" for the legacy 2.0x containers
+    let mut it = args.iter();
+    while let Some(a) = it.next() {
+        match a.as_str() {
+            "-o" | "--output" => output = it.next().map(PathBuf::from),
+            "--no-encrypt" => encrypt = false,
+            "--encrypt" => encrypt = true,
+            "--format" => format = it.next().cloned(),
+            // Inherit cryptVersion + embedded password from an existing archive (turnkey repack).
+            "--like" => like = it.next().map(PathBuf::from),
+            "--version" => {
+                if let Some(v) = it.next() {
+                    let v = v.trim_start_matches("0x");
+                    match u16::from_str_radix(v, 16).or_else(|_| v.parse()) {
+                        Ok(n) => version = n,
+                        Err(_) => {
+                            eprintln!("pack: bad --version {v:?}");
+                            return ExitCode::from(64);
+                        }
+                    }
+                }
+            }
+            "--pwd" => pwd = it.next().and_then(|h| parse_pwd15(h)),
+            _ => input = Some(PathBuf::from(a)),
+        }
+    }
+    let (Some(input), Some(output)) = (input, output) else {
+        eprintln!(
+            "pack: usage: wolf pack <dir> -o <out.wolf> \
+             [--encrypt --version 0x14b [--pwd <30hex>]] | [--like <orig.wolf>]"
+        );
+        return ExitCode::from(64);
+    };
+
+    // `--like` inherits the original archive's cryptVersion + embedded password.
+    if let Some(orig) = &like {
+        match std::fs::read(orig)
+            .ok()
+            .and_then(|d| wolf_archive::archive_crypt_params(&d))
+        {
+            Some((cv, p)) => {
+                version = cv;
+                pwd = Some(p);
+                encrypt = true;
+            }
+            None => {
+                eprintln!("pack: could not read crypt params from {}", orig.display());
+                return ExitCode::from(4);
+            }
+        }
+    }
+
+    let mut files: Vec<(String, Vec<u8>)> = Vec::new();
+    if let Err(e) = gather_files(&input, &input, &mut files) {
+        eprintln!("pack: {e}");
+        return ExitCode::from(4);
+    }
+    if files.is_empty() {
+        eprintln!("pack: no files found under {}", input.display());
+        return ExitCode::from(4);
+    }
+    files.sort();
+
+    // Default new-crypt password (used only when --encrypt a new-crypt version without --pwd
+    // or --like). Self-describing: the archive embeds whatever password it was built with.
+    let default_pwd: [u8; 15] = *b"WolfDawnRepack!";
+    let result = match format.as_deref() {
+        Some("ver5") => wolf_archive::pack_ver5(&files),
+        Some("ver6") => wolf_archive::pack_ver6(&files),
+        Some(other) => Err(format!("pack: unknown --format {other:?} (use ver5|ver6)")),
+        None if !encrypt => wolf_archive::pack_plaintext(&files),
+        None if matches!(version, 0x14B | 0x15E) => {
+            wolf_archive::pack_newcrypt(&files, version, &pwd.unwrap_or(default_pwd))
+        }
+        None => wolf_archive::pack_encrypted(&files, version),
+    };
+    let bytes = match result {
+        Ok(b) => b,
+        Err(e) => {
+            eprintln!("pack failed: {e}");
+            return ExitCode::from(4);
+        }
+    };
+    if let Err(e) = std::fs::write(&output, &bytes) {
+        eprintln!("pack: cannot write {}: {e}", output.display());
+        return ExitCode::from(4);
+    }
+    let mode = match format.as_deref() {
+        Some(f) => format!("{f} (Wolf 2.0x)"),
+        None if encrypt => {
+            let src = if like.is_some() { " (--like)" } else { "" };
+            format!("encrypted cryptVersion={version:#x}{src}")
+        }
+        None => "unencrypted".to_string(),
+    };
+    eprintln!(
+        "packed {} files -> {} ({} bytes, {mode})",
+        files.len(),
+        output.display(),
+        bytes.len()
+    );
+    ExitCode::SUCCESS
+}
+
+/// Parse a 30-hex-char string into a 15-byte WolfPro password.
+fn parse_pwd15(h: &str) -> Option<[u8; 15]> {
+    let h = h.trim();
+    if h.len() != 30 {
+        return None;
+    }
+    let mut out = [0u8; 15];
+    for (i, b) in out.iter_mut().enumerate() {
+        *b = u8::from_str_radix(&h[i * 2..i * 2 + 2], 16).ok()?;
+    }
+    Some(out)
+}
+
+/// Extract one already-read archive into `out_dir`, preserving the inner tree. Each inner path is
+/// sanitised (drop empty/`.`/`..` segments and any drive/leading separator) so a malformed archive
+/// entry can never write outside `out_dir`. Returns the file count on success.
+fn unpack_archive_to(data: &[u8], out_dir: &Path) -> Result<usize, String> {
+    let files =
+        wolf_archive::extract_archive(data, b"").map_err(|e| format!("not a readable archive ({e})"))?;
+    for (path, bytes) in &files {
+        let safe: PathBuf = path
+            .split(['\\', '/'])
+            .filter(|s| !s.is_empty() && *s != "." && *s != "..")
+            .collect();
+        let target = out_dir.join(safe);
+        if let Some(parent) = target.parent() {
+            let _ = std::fs::create_dir_all(parent);
+        }
+        std::fs::write(&target, bytes)
+            .map_err(|e| format!("cannot write {}: {e}", target.display()))?;
+    }
+    Ok(files.len())
+}
+
+/// True for a readable file whose extension is `.wolf` (case-insensitive).
+fn is_wolf_file(p: &Path) -> bool {
+    p.is_file()
+        && p.extension()
+            .and_then(|e| e.to_str())
+            .map(|e| e.eq_ignore_ascii_case("wolf"))
+            .unwrap_or(false)
+}
+
+/// The `.wolf` archives directly inside `dir`, sorted by name for a stable, reproducible order.
+fn list_wolf_files(dir: &Path) -> Vec<PathBuf> {
+    let mut v: Vec<PathBuf> = std::fs::read_dir(dir)
+        .into_iter()
+        .flatten()
+        .flatten()
+        .map(|e| e.path())
+        .filter(|p| is_wolf_file(p))
+        .collect();
+    v.sort();
+    v
+}
+
+/// `wolf unpack <archive.wolf> -o <dir>`. Extracts every file from a `.wolf` into `dir`,
+/// preserving the inner directory tree. Handles any supported crypt regime.
+pub(crate) fn cmd_unpack(args: &[String]) -> ExitCode {
+    let mut input: Option<PathBuf> = None;
+    let mut output: Option<PathBuf> = None;
+    let mut it = args.iter();
+    while let Some(a) = it.next() {
+        match a.as_str() {
+            "-o" | "--output" => output = it.next().map(PathBuf::from),
+            _ => input = Some(PathBuf::from(a)),
+        }
+    }
+    let Some(input) = input else {
+        eprintln!("unpack: usage: wolf unpack <archive.wolf> -o <dir>");
+        return ExitCode::from(64);
+    };
+    let out_dir = output.unwrap_or_else(|| PathBuf::from("unpacked"));
+
+    let data = match std::fs::read(&input) {
+        Ok(d) => d,
+        Err(e) => {
+            eprintln!("unpack: cannot read {}: {e}", input.display());
+            return ExitCode::from(4);
+        }
+    };
+    match unpack_archive_to(&data, &out_dir) {
+        Ok(n) => {
+            eprintln!("unpacked {n} files -> {}", out_dir.display());
+            ExitCode::SUCCESS
+        }
+        Err(e) => {
+            eprintln!("unpack failed: {e}");
+            ExitCode::from(4)
+        }
+    }
+}
+
+/// `wolf unpack-all <data-dir|archive.wolf>... [-o <out-dir>]`. Unpacks every `.wolf` among the
+/// given paths. A directory argument is expanded to the `.wolf` files directly inside it, so the
+/// whole split data set of a per-category game (BasicData.wolf, MapData.wolf, Evtext.wolf, ...)
+/// comes apart in one call. Each `Name.wolf` lands in `<out>/Name/`, mirroring how the engine maps
+/// a category archive to a `Name/` folder, so the result is a loose data tree the game can load.
+/// With no `-o`, each archive unpacks beside itself (`<archive-dir>/Name/`). One bad archive does
+/// not stop the rest, and the exit code is failure only when nothing unpacked.
+pub(crate) fn cmd_unpack_all(args: &[String]) -> ExitCode {
+    let mut inputs: Vec<PathBuf> = Vec::new();
+    let mut output: Option<PathBuf> = None;
+    let mut it = args.iter();
+    while let Some(a) = it.next() {
+        match a.as_str() {
+            "-o" | "--output" => output = it.next().map(PathBuf::from),
+            _ => inputs.push(PathBuf::from(a)),
+        }
+    }
+    if inputs.is_empty() {
+        eprintln!("unpack-all: usage: wolf unpack-all <data-dir|archive.wolf>... [-o <out-dir>]");
+        return ExitCode::from(64);
+    }
+    // Expand directory args to the .wolf files inside them, keep .wolf file args as-is.
+    let mut archives: Vec<PathBuf> = Vec::new();
+    for p in &inputs {
+        if p.is_dir() {
+            archives.extend(list_wolf_files(p));
+        } else if is_wolf_file(p) {
+            archives.push(p.clone());
+        } else {
+            eprintln!("unpack-all: skipping {} (not a .wolf or directory)", p.display());
+        }
+    }
+    if archives.is_empty() {
+        eprintln!("unpack-all: no .wolf archives found in the given paths");
+        return ExitCode::from(4);
+    }
+
+    let mut total_files = 0usize;
+    let (mut ok, mut failed) = (0usize, 0usize);
+    for arc in &archives {
+        let stem = arc.file_stem().and_then(|s| s.to_str()).unwrap_or("archive");
+        let dest_root = output
+            .clone()
+            .or_else(|| arc.parent().map(Path::to_path_buf))
+            .unwrap_or_default();
+        let out_dir = dest_root.join(stem);
+        let name = arc.file_name().and_then(|s| s.to_str()).unwrap_or(stem);
+        match std::fs::read(arc)
+            .map_err(|e| e.to_string())
+            .and_then(|d| unpack_archive_to(&d, &out_dir))
+        {
+            Ok(n) => {
+                total_files += n;
+                ok += 1;
+                eprintln!("  {name} -> {} ({n} files)", out_dir.display());
+            }
+            Err(e) => {
+                failed += 1;
+                eprintln!("  {name} FAILED: {e}");
+            }
+        }
+    }
+    eprintln!(
+        "unpack-all: {ok} archive(s), {total_files} files{}",
+        if failed > 0 {
+            format!(", {failed} failed")
+        } else {
+            String::new()
+        }
+    );
+    if ok == 0 {
+        ExitCode::from(4)
+    } else {
+        ExitCode::SUCCESS
+    }
+}
+
+/// Recursively gather `(relative-path, bytes)` for every file under `dir`.
+fn gather_files(base: &Path, dir: &Path, out: &mut Vec<(String, Vec<u8>)>) -> std::io::Result<()> {
+    for entry in std::fs::read_dir(dir)? {
+        let p = entry?.path();
+        if p.is_dir() {
+            gather_files(base, &p, out)?;
+        } else {
+            let rel = p
+                .strip_prefix(base)
+                .unwrap_or(&p)
+                .to_string_lossy()
+                .replace('\\', "/");
+            out.push((rel, std::fs::read(&p)?));
+        }
+    }
+    Ok(())
+}
+
+/// Build a symbol table for a map by locating the game's BasicData folder
+/// (`.../Data/MapData/X.mps` -> `.../Data/BasicData`) and loading CommonEvent + databases.
+pub(crate) fn load_symbols(map_path: &Path) -> SymbolTable {
+    let mut symbols = SymbolTable::new();
+    let basic_data = map_path
+        .parent()
+        .and_then(|p| p.parent())
+        .map(|data| data.join("BasicData"));
+    let Some(basic) = basic_data else {
+        return symbols;
+    };
+
+    if let Ok(bytes) = std::fs::read(basic.join("CommonEvent.dat")) {
+        if let Ok(ce) = CommonEventsFile::read(&bytes) {
+            symbols.add_common_events(&ce);
+        }
+    }
+    add_databases(&mut symbols, Some(&basic));
+    symbols.set_glossary(wolf_decompiler::symbols::load_embedded_glossary());
+    symbols.set_engine_text(wolf_decompiler::symbols::load_embedded_engine_glossary());
+    symbols
+}
+
+/// Load the three standard databases from `basic_data` into the symbol table.
+pub(crate) fn add_databases(symbols: &mut SymbolTable, basic_data: Option<&Path>) {
+    let Some(dir) = basic_data else { return };
+    for (kind, stem) in [
+        ("UDB", "DataBase"),
+        ("CDB", "CDataBase"),
+        ("SDB", "SysDatabase"),
+    ] {
+        let proj = dir.join(format!("{stem}.project"));
+        let dat = dir.join(format!("{stem}.dat"));
+        if let (Ok(p), Ok(d)) = (std::fs::read(&proj), std::fs::read(&dat)) {
+            if let Ok(db) = Database::read(&p, &d) {
+                symbols.add_database(kind, &db);
+            }
+        }
+    }
+}
+
+// ----------------------------------------------------------------------------
+// verify-roundtrip
+// ----------------------------------------------------------------------------
+
+pub(crate) fn cmd_verify(args: &[String]) -> ExitCode {
+    if args.first().map(String::as_str) == Some("--corpus") {
+        let Some(dir) = args.get(1) else {
+            eprintln!("verify-roundtrip --corpus: missing data dir");
+            return ExitCode::from(64);
+        };
+        return verify_corpus(Path::new(dir));
+    }
+    let Some(path) = args.first() else {
+        eprintln!("verify-roundtrip: missing file");
+        return ExitCode::from(64);
+    };
+    let path = PathBuf::from(path);
+    match roundtrip_path(&path) {
+        Ok(true) => {
+            println!("OK  byte-exact  {}", path.display());
+            ExitCode::SUCCESS
+        }
+        Ok(false) => {
+            println!("DIFF  {}", path.display());
+            ExitCode::from(2)
+        }
+        Err(e) => {
+            eprintln!("ERR  {}: {e}", path.display());
+            ExitCode::from(4)
+        }
+    }
+}
+
+pub(crate) fn verify_corpus(dir: &Path) -> ExitCode {
+    let mut ok = 0usize;
+    let mut diff = 0usize;
+    let mut err = 0usize;
+
+    let mut files: Vec<PathBuf> = Vec::new();
+    collect(dir, &mut files);
+    files.sort();
+
+    for path in files {
+        match classify(&path) {
+            FileKind::Unsupported => continue,
+            // The .dat half of a database is verified via its .project. Skip the lone .dat.
+            FileKind::Database | FileKind::BasicDatabase
+                if path.extension().and_then(|s| s.to_str()) == Some("dat") =>
+            {
+                continue
+            }
+            _ => {}
+        }
+        match roundtrip_path(&path) {
+            Ok(true) => {
+                ok += 1;
+                println!("OK    {}", rel(dir, &path));
+            }
+            Ok(false) => {
+                diff += 1;
+                println!("DIFF  {}", rel(dir, &path));
+            }
+            Err(e) => {
+                err += 1;
+                println!("ERR   {}  ({e})", rel(dir, &path));
+            }
+        }
+    }
+
+    println!("\n{ok} ok, {diff} diff, {err} error");
+    if diff == 0 && err == 0 {
+        ExitCode::SUCCESS
+    } else if diff > 0 {
+        ExitCode::from(2)
+    } else {
+        ExitCode::from(4)
+    }
+}
+
+/// Returns Ok(true) if `write(read(bytes)) == bytes`.
+pub(crate) fn roundtrip_path(path: &Path) -> Result<bool, String> {
+    let bytes = std::fs::read(path).map_err(|e| e.to_string())?;
+    match classify(path) {
+        FileKind::Map => {
+            let m = Map::read(&bytes).map_err(|e| e.to_string())?;
+            Ok(m.write() == bytes)
+        }
+        FileKind::CommonEvent => {
+            let ce = CommonEventsFile::read(&bytes).map_err(|e| e.to_string())?;
+            Ok(ce.write() == bytes)
+        }
+        FileKind::GameDat => {
+            let gd = GameDat::read(&bytes).map_err(|e| e.to_string())?;
+            Ok(gd.write() == bytes)
+        }
+        FileKind::Database => {
+            // `path` is the .project. Pair it with the sibling .dat.
+            let dat = path.with_extension("dat");
+            let proj_bytes = bytes;
+            let dat_bytes = std::fs::read(&dat).map_err(|e| e.to_string())?;
+            let db = Database::read(&proj_bytes, &dat_bytes).map_err(|e| e.to_string())?;
+            let (proj_out, dat_out) = db.write();
+            Ok(proj_out == proj_bytes && dat_out == dat_bytes)
+        }
+        FileKind::BasicDatabase => {
+            // Legacy basic DB: schema `.project` + opaque `.dat`, paired by the `.project`.
+            let proj_path = path.with_extension("project");
+            let dat_path = path.with_extension("dat");
+            let proj_bytes = std::fs::read(&proj_path).map_err(|e| e.to_string())?;
+            let dat_bytes = std::fs::read(&dat_path).map_err(|e| e.to_string())?;
+            let db = wolf_formats::database::BasicDatabase::read(&proj_bytes, &dat_bytes)
+                .map_err(|e| e.to_string())?;
+            let (proj_out, dat_out) = db.write();
+            Ok(proj_out == proj_bytes && dat_out == dat_bytes)
+        }
+        FileKind::TxtEvent => {
+            // An external event-text file round-trips through a no-op extract/inject, which must
+            // reproduce the bytes exactly (this is the byte-exactness guarantee the translation
+            // pipeline relies on).
+            let json = extract_txt_events(&bytes);
+            let out = inject_txt_events(&json, &bytes).map_err(|e| e.to_string())?;
+            Ok(out == bytes)
+        }
+        FileKind::Unsupported => Err("unsupported file type".into()),
+    }
+}
+
+// ----------------------------------------------------------------------------
+// file classification
+// ----------------------------------------------------------------------------
+
+pub(crate) enum FileKind {
+    Map,
+    CommonEvent,
+    /// The per-game settings/title record (`Game.dat`).
+    GameDat,
+    /// Represented by the `.project` file (the `.dat` sibling is paired in).
+    Database,
+    /// Legacy `SysDataBaseBasic` (Wolf 2.x): schema-only `.project` + opaque magic-less `.dat`.
+    BasicDatabase,
+    /// An external event-text `.txt` file (Shift-JIS or UTF-8 dialogue, one scene per file). The
+    /// `Evtext*.wolf` archives unpack to these. Handled by `txt_events`.
+    TxtEvent,
+    Unsupported,
+}
+
+pub(crate) fn classify(path: &Path) -> FileKind {
+    let ext = path
+        .extension()
+        .and_then(|s| s.to_str())
+        .unwrap_or("")
+        .to_ascii_lowercase();
+    let name = path
+        .file_name()
+        .and_then(|s| s.to_str())
+        .unwrap_or("")
+        .to_ascii_lowercase();
+
+    match ext.as_str() {
+        "mps" => FileKind::Map,
+        // The legacy basic system DB is keyed by its fixed file name.
+        "project" if name == "sysdatabasebasic.project" => FileKind::BasicDatabase,
+        "dat" if name == "sysdatabasebasic.dat" => FileKind::BasicDatabase,
+        "project" => FileKind::Database,
+        "dat" if name == "commonevent.dat" => FileKind::CommonEvent,
+        "dat" if name == "game.dat" => FileKind::GameDat,
+        // A .dat with a sibling .project is the value half of a database.
+        "dat" if path.with_extension("project").exists() => FileKind::Database,
+        // External event-text. The only `.txt` use in a Wolf game is unpacked Evtext scene files.
+        "txt" => FileKind::TxtEvent,
+        _ => FileKind::Unsupported,
+    }
+}
+
+pub(crate) fn collect(dir: &Path, out: &mut Vec<PathBuf>) {
+    let Ok(entries) = std::fs::read_dir(dir) else {
+        return;
+    };
+    for entry in entries.flatten() {
+        let p = entry.path();
+        if p.is_dir() {
+            collect(&p, out);
+        } else {
+            out.push(p);
+        }
+    }
+}
+
+pub(crate) fn rel(base: &Path, path: &Path) -> String {
+    path.strip_prefix(base)
+        .unwrap_or(path)
+        .display()
+        .to_string()
+}
+
+// ----------------------------------------------------------------------------
+// gui: launch WolfDawn Studio (the eframe desktop GUI), if it sits next to us
+// ----------------------------------------------------------------------------
+
+/// `wolf gui`. Launches the `wolf-gui` desktop app from beside the current executable. This crate
+/// has no eframe dependency. It only *spawns* the separately-built `wolf-gui` binary. If that
+/// binary is not found next to `wolf`, print how to build/run it and exit non-fatally.
+pub(crate) fn cmd_gui(args: &[String]) -> ExitCode {
+    let exe = match std::env::current_exe() {
+        Ok(p) => p,
+        Err(e) => {
+            eprintln!("gui: cannot locate the current executable: {e}");
+            return ExitCode::from(4);
+        }
+    };
+    let dir = exe.parent().unwrap_or(Path::new("."));
+    let gui_name = if cfg!(windows) { "wolf-gui.exe" } else { "wolf-gui" };
+    let gui_path = dir.join(gui_name);
+
+    if !gui_path.exists() {
+        eprintln!(
+            "gui: WolfDawn Studio ({}) was not found next to {}.\n\
+             Build and run it with:  cargo run --release -p wolf-gui",
+            gui_name,
+            exe.display()
+        );
+        return ExitCode::SUCCESS; // non-fatal: nothing went wrong, the GUI just isn't built
+    }
+
+    match std::process::Command::new(&gui_path).args(args).spawn() {
+        Ok(_) => {
+            eprintln!("launched {}", gui_path.display());
+            ExitCode::SUCCESS
+        }
+        Err(e) => {
+            eprintln!("gui: failed to launch {}: {e}", gui_path.display());
+            ExitCode::from(4)
+        }
+    }
+}
diff --git a/util/wolfdawn-master/crates/wolf-cli/src/main.rs b/util/wolfdawn-master/crates/wolf-cli/src/main.rs
new file mode 100644
index 0000000..8cd1c98
--- /dev/null
+++ b/util/wolfdawn-master/crates/wolf-cli/src/main.rs
@@ -0,0 +1,75 @@
+//! `wolf`. WolfDawn command-line front-end.
+//!
+//! Subcommands (P0/P1 subset):
+//!   wolf decompile <file.mps|CommonEvent.dat> [--mode edit] [-o out.wscript]
+//!   wolf compile   <doc.wscript> --base <orig> -o <out>
+//!   wolf verify-roundtrip <file> | --corpus <data-dir>
+//!
+//! Exit codes: 0 ok · 2 round-trip mismatch · 4 read/parse failure · 64 usage.
+use std::process::ExitCode;
+
+mod cmd;
+use cmd::*;
+
+fn main() -> ExitCode {
+    let args: Vec<String> = std::env::args().skip(1).collect();
+    match args.first().map(String::as_str) {
+        Some("decompile") => cmd_decompile(&args[1..]),
+        Some("compile") => cmd_compile(&args[1..]),
+        Some("pack") => cmd_pack(&args[1..]),
+        Some("unpack") => cmd_unpack(&args[1..]),
+        Some("unpack-all") => cmd_unpack_all(&args[1..]),
+        Some("db-json") => cmd_db_json(&args[1..]),
+        Some("db-apply") => cmd_db_apply(&args[1..]),
+        Some("gamedat-json") => cmd_gamedat_json(&args[1..]),
+        Some("gamedat-apply") => cmd_gamedat_apply(&args[1..]),
+        Some("strings-extract") => cmd_strings_extract(&args[1..]),
+        Some("strings-audit") => cmd_strings_audit(&args[1..]),
+        Some("strings-inject") => cmd_strings_inject(&args[1..]),
+        Some("names-extract") => cmd_names_extract(&args[1..]),
+        Some("names-inject") => cmd_names_inject(&args[1..]),
+        Some("names-check") => cmd_names_check(&args[1..]),
+        Some("translations-merge") => cmd_translations_merge(&args[1..]),
+        Some("save-update") => cmd_save_update(&args[1..]),
+        Some("gui") => cmd_gui(&args[1..]),
+        Some("raw") => cmd_raw(&args[1..]),
+        Some("xref") => cmd_xref(&args[1..]),
+        Some("export-names") => cmd_export_names(&args[1..]),
+        Some("verify-roundtrip") => cmd_verify(&args[1..]),
+        Some("-h") | Some("--help") | Some("help") | None => {
+            usage();
+            ExitCode::SUCCESS
+        }
+        Some(other) => {
+            eprintln!("unknown subcommand: {other}\n");
+            usage();
+            ExitCode::from(64)
+        }
+    }
+}
+
+fn usage() {
+    eprintln!(
+        "wolf - WolfDawn toolchain\n\n\
+         USAGE:\n  \
+         wolf decompile <file.mps|CommonEvent.dat> [--mode edit] [-o out.wscript]\n  \
+         wolf compile   <doc.wscript> --base <orig> -o <out>\n  \
+         wolf pack      <dir> -o <out.wolf> [--encrypt --version 0x14b | --like <orig> | --format ver5|ver6]\n  \
+         wolf unpack    <archive.wolf> -o <dir>\n  \
+         wolf unpack-all <data-dir|archive.wolf>... [-o <out-dir>]  (unpack every .wolf, each into out/<name>/)\n  \
+         wolf db-json   <X.project|data-dir> [-o out]\n  \
+         wolf db-apply  <edited.json> --base <X.project> -o <out.project>\n  \
+         wolf gamedat-json  <Game.dat> [-o out.json]\n  \
+         wolf gamedat-apply <edited.json> --base <Game.dat> -o <out>\n  \
+         wolf strings-extract <CommonEvent.dat|map.mps|X.project|Game.dat|event.txt|dir-of-txt> -o <out.json>\n  \
+         wolf strings-inject  <edited.json> --base <orig|event.txt|dir-of-txt> -o <out> [--allow-code-drift] [--en-punct]\n  \
+         wolf names-extract   <data-dir> -o <names.json>\n  \
+         wolf names-inject    <names.json> --data <data-dir> [-o <out-dir>] [--allow-code-drift] [--en-punct]\n  \
+         wolf names-check     <file.json>...  (report names translated inconsistently across files)\n  \
+         wolf translations-merge --old <path>... --new <dir> -o <out-dir>  (carry old translations into a re-extraction)\n  \
+         wolf save-update <save.sav|dir> [-o <out>] [--title <text> | --game <Game.dat>] [--translations <file-or-dir>...]\n  \
+         wolf gui        (launch WolfDawn Studio, the desktop GUI)\n  \
+         wolf verify-roundtrip <file>\n  \
+         wolf verify-roundtrip --corpus <data-dir>\n"
+    );
+}
diff --git a/util/wolfdawn-master/crates/wolf-core/Cargo.toml b/util/wolfdawn-master/crates/wolf-core/Cargo.toml
new file mode 100644
index 0000000..9fb97ad
--- /dev/null
+++ b/util/wolfdawn-master/crates/wolf-core/Cargo.toml
@@ -0,0 +1,6 @@
+[package]
+name = "wolf-core"
+edition.workspace = true
+version.workspace = true
+license.workspace = true
+description = "Low-level Wolf RPG wire primitives: byte reader/writer, length-prefixed strings, codecs. No Wolf domain semantics."
diff --git a/util/wolfdawn-master/crates/wolf-core/src/codec/lz4.rs b/util/wolfdawn-master/crates/wolf-core/src/codec/lz4.rs
new file mode 100644
index 0000000..2313317
--- /dev/null
+++ b/util/wolfdawn-master/crates/wolf-core/src/codec/lz4.rs
@@ -0,0 +1,271 @@
+//! LZ4 block format codec (not the LZ4 frame format). This is the exact variant Wolf RPG
+//! Editor v3.5 ("Pro") uses for compressed file bodies via `LZ4_decompress_safe` and
+//! `LZ4_compress_default`.
+//!
+//! Wolf wraps a block as `[decompressedSize: u32][compressedSize: u32][block bytes]`.
+//! [`unpack`]/[`pack`] handle that framing, [`decompress_block`]/[`compress_block`] the
+//! raw block.
+//!
+//! The encoder is a greedy single-pass LZ4 compressor with a 4-byte hash table match finder.
+//! It emits a valid compressed block honouring the constraints `LZ4_decompress_safe` requires.
+//! The last 5 bytes are literals, no match starts within the last 12 bytes, min match is 4,
+//! and offsets are 1..=65535. Byte-exact round-trip of unmodified files is achieved at the
+//! format layer by re-emitting the original packed bytes verbatim. Fresh compression is used
+//! for edited bodies, where what matters is validity and a reasonable size, not byte-identity
+//! with the editor's own LZ4.
+
+use crate::error::{Error, Result};
+
+/// Decompress a raw LZ4 block of known output size.
+pub fn decompress_block(src: &[u8], decoded_size: usize) -> Result<Vec<u8>> {
+    let mut out = Vec::with_capacity(decoded_size);
+    let mut sp = 0usize;
+
+    while sp < src.len() {
+        let token = src[sp];
+        sp += 1;
+
+        // Literal run.
+        let literal_len = read_len(src, &mut sp, (token >> 4) as usize)?;
+        if sp + literal_len > src.len() {
+            return Err(Error::invalid("lz4: literal run exceeds source"));
+        }
+        out.extend_from_slice(&src[sp..sp + literal_len]);
+        sp += literal_len;
+
+        // A block legitimately ends right after a literal run (the last sequence).
+        if sp >= src.len() {
+            break;
+        }
+        if sp + 2 > src.len() {
+            return Err(Error::invalid("lz4: match offset is truncated"));
+        }
+        let offset = u16::from_le_bytes([src[sp], src[sp + 1]]) as usize;
+        sp += 2;
+        if offset == 0 || offset > out.len() {
+            return Err(Error::invalid("lz4: match offset is invalid"));
+        }
+
+        // Match copy (min length 4, byte-by-byte to allow overlap).
+        let match_len = read_len(src, &mut sp, (token & 0x0F) as usize)? + 4;
+        for _ in 0..match_len {
+            let b = out[out.len() - offset];
+            out.push(b);
+        }
+    }
+
+    if out.len() != decoded_size {
+        return Err(Error::invalid(format!(
+            "lz4: decoded {} bytes, expected {decoded_size}",
+            out.len()
+        )));
+    }
+    Ok(out)
+}
+
+/// Read an LZ4 length (the `0xF`/`0xFF`-extension scheme) given the 4-bit token nibble.
+fn read_len(src: &[u8], sp: &mut usize, base: usize) -> Result<usize> {
+    let mut len = base;
+    if base != 15 {
+        return Ok(len);
+    }
+    loop {
+        let b = *src
+            .get(*sp)
+            .ok_or_else(|| Error::invalid("lz4: length extension truncated"))?
+            as usize;
+        *sp += 1;
+        len = len
+            .checked_add(b)
+            .ok_or_else(|| Error::invalid("lz4: length overflow"))?;
+        if b != 255 {
+            break;
+        }
+    }
+    Ok(len)
+}
+
+// LZ4 block constraints (so `LZ4_decompress_safe` accepts the output).
+const MIN_MATCH: usize = 4;
+/// No match may *start* within the last 12 bytes of the block.
+const MFLIMIT: usize = 12;
+/// The last 5 bytes of the block are always literals.
+const LAST_LITERALS: usize = 5;
+const HASH_BITS: u32 = 16;
+
+fn read_u32(s: &[u8], i: usize) -> u32 {
+    u32::from_le_bytes([s[i], s[i + 1], s[i + 2], s[i + 3]])
+}
+
+fn hash4(v: u32) -> usize {
+    (v.wrapping_mul(2_654_435_761) >> (32 - HASH_BITS)) as usize
+}
+
+/// Append an LZ4 length extension (the value beyond the 15 already encoded in the token nibble).
+fn write_len_ext(out: &mut Vec<u8>, mut rem: usize) {
+    while rem >= 255 {
+        out.push(255);
+        rem -= 255;
+    }
+    out.push(rem as u8);
+}
+
+/// Emit the trailing literals-only sequence (no match), terminating the block.
+fn emit_last_literals(out: &mut Vec<u8>, lits: &[u8]) {
+    let n = lits.len();
+    out.push(((n.min(15)) as u8) << 4);
+    if n >= 15 {
+        write_len_ext(out, n - 15);
+    }
+    out.extend_from_slice(lits);
+}
+
+/// Compress to a valid LZ4 block with a greedy 4-byte-hash match finder. Used for
+/// freshly-serialized (edited) bodies. Unmodified bodies are re-emitted verbatim by the format
+/// layer. Round-trips through [`decompress_block`] and respects the engine's block constraints.
+pub fn compress_block(src: &[u8]) -> Vec<u8> {
+    let n = src.len();
+    let mut out = Vec::with_capacity(n / 2 + 16);
+
+    // Too short to hold a match plus the mandatory trailing literals: emit all literals.
+    if n < MFLIMIT + MIN_MATCH {
+        emit_last_literals(&mut out, src);
+        return out;
+    }
+    let match_limit = n - MFLIMIT; // a match may only start at ip < match_limit
+    let match_end = n - LAST_LITERALS; // a match may not cover bytes at/after this
+
+    let mut table = vec![usize::MAX; 1 << HASH_BITS];
+    let mut anchor = 0usize; // start of the pending literal run
+    let mut ip = 0usize;
+    table[hash4(read_u32(src, ip))] = ip;
+    ip += 1;
+
+    while ip < match_limit {
+        let h = hash4(read_u32(src, ip));
+        let cand = table[h];
+        table[h] = ip;
+
+        let is_match =
+            cand != usize::MAX && ip - cand <= 0xFFFF && read_u32(src, cand) == read_u32(src, ip);
+        if !is_match {
+            ip += 1;
+            continue;
+        }
+
+        // Extend the match (stops before the mandatory last-literals tail).
+        let offset = ip - cand;
+        let mut mlen = MIN_MATCH;
+        while ip + mlen < match_end && src[cand + mlen] == src[ip + mlen] {
+            mlen += 1;
+        }
+
+        // Emit: pending literals, then the match.
+        let lits = &src[anchor..ip];
+        let lit_len = lits.len();
+        let match_tok = (mlen - MIN_MATCH).min(15);
+        out.push(((lit_len.min(15) as u8) << 4) | match_tok as u8);
+        if lit_len >= 15 {
+            write_len_ext(&mut out, lit_len - 15);
+        }
+        out.extend_from_slice(lits);
+        out.extend_from_slice(&(offset as u16).to_le_bytes());
+        if mlen - MIN_MATCH >= 15 {
+            write_len_ext(&mut out, mlen - MIN_MATCH - 15);
+        }
+
+        ip += mlen;
+        anchor = ip;
+    }
+
+    // Trailing literals (always at least LAST_LITERALS bytes).
+    emit_last_literals(&mut out, &src[anchor..]);
+    out
+}
+
+/// Decompress Wolf's framed form `[decSize u32][encSize u32][block]` (the bytes that
+/// follow a v3.5 file header). Trailing bytes beyond `encSize` are ignored.
+pub fn unpack(framed: &[u8]) -> Result<Vec<u8>> {
+    if framed.len() < 8 {
+        return Err(Error::invalid(
+            "lz4: framed body shorter than 8-byte header",
+        ));
+    }
+    let dec_size = u32::from_le_bytes([framed[0], framed[1], framed[2], framed[3]]) as usize;
+    let enc_size = u32::from_le_bytes([framed[4], framed[5], framed[6], framed[7]]) as usize;
+    let block = framed
+        .get(8..8 + enc_size)
+        .ok_or_else(|| Error::invalid("lz4: framed body shorter than declared compressed size"))?;
+    decompress_block(block, dec_size)
+}
+
+/// Produce Wolf's framed form `[decSize u32][encSize u32][block]` for a body.
+pub fn pack(body: &[u8]) -> Vec<u8> {
+    let block = compress_block(body);
+    let mut out = Vec::with_capacity(block.len() + 8);
+    out.extend_from_slice(&(body.len() as u32).to_le_bytes());
+    out.extend_from_slice(&(block.len() as u32).to_le_bytes());
+    out.extend_from_slice(&block);
+    out
+}
+
+#[cfg(test)]
+mod tests {
+    use super::*;
+
+    fn roundtrip(data: &[u8]) {
+        let packed = pack(data);
+        let back = unpack(&packed).expect("unpack");
+        assert_eq!(back, data, "lz4 pack/unpack round-trip mismatch");
+    }
+
+    #[test]
+    fn pack_unpack_roundtrips() {
+        roundtrip(b"");
+        roundtrip(b"a");
+        roundtrip(b"hello world");
+        roundtrip(&[0u8; 1000]);
+        // 14, 15, 16 bytes straddle the literal-length extension boundary.
+        for n in [14usize, 15, 16, 270, 271, 600] {
+            roundtrip(&(0..n).map(|i| (i * 31 % 256) as u8).collect::<Vec<_>>());
+        }
+    }
+
+    #[test]
+    fn compresses_and_roundtrips() {
+        // Highly repetitive -> should compress hard and still round-trip.
+        let zeros = vec![0u8; 10_000];
+        let p = pack(&zeros);
+        assert_eq!(unpack(&p).unwrap(), zeros);
+        assert!(
+            p.len() < zeros.len() / 20,
+            "zeros packed to {} bytes",
+            p.len()
+        );
+
+        // Repeating phrase.
+        let mut text = Vec::new();
+        for _ in 0..2000 {
+            text.extend_from_slice(b"the quick brown fox jumps. ");
+        }
+        let p = pack(&text);
+        assert_eq!(unpack(&p).unwrap(), text);
+        assert!(p.len() < text.len() / 3, "text packed to {} bytes", p.len());
+
+        // Varied sizes / patterns straddling the match + last-literal boundaries.
+        for n in [0usize, 1, 4, 11, 12, 13, 16, 17, 64, 255, 256, 4096, 12345] {
+            let data: Vec<u8> = (0..n).map(|i| ((i * 7 + i / 13) % 256) as u8).collect();
+            let p = pack(&data);
+            assert_eq!(unpack(&p).unwrap(), data, "roundtrip failed at n={n}");
+        }
+    }
+
+    #[test]
+    fn decodes_a_match_bearing_block() {
+        // "abcabcabc": emit literals "abc" then a match (offset 3, len 6).
+        // token: litlen=3 (hi), matchlen-4=2 (lo) => 0x32, then "abc", then offset=3, no ext.
+        let block = [0x32u8, b'a', b'b', b'c', 0x03, 0x00];
+        let out = decompress_block(&block, 9).expect("decode");
+        assert_eq!(&out, b"abcabcabc");
+    }
+}
diff --git a/util/wolfdawn-master/crates/wolf-core/src/codec/mod.rs b/util/wolfdawn-master/crates/wolf-core/src/codec/mod.rs
new file mode 100644
index 0000000..c5ddd8a
--- /dev/null
+++ b/util/wolfdawn-master/crates/wolf-core/src/codec/mod.rs
@@ -0,0 +1,5 @@
+//! Compression and encoding codecs shared across Wolf formats. The LZ4 block codec used by
+//! v3.5 ("Pro") compressed file bodies, and the `.sav` outer XOR cipher ([`wolfsave`]).
+
+pub mod lz4;
+pub mod wolfsave;
diff --git a/util/wolfdawn-master/crates/wolf-core/src/codec/wolfsave.rs b/util/wolfdawn-master/crates/wolf-core/src/codec/wolfsave.rs
new file mode 100644
index 0000000..366a5d4
--- /dev/null
+++ b/util/wolfdawn-master/crates/wolf-core/src/codec/wolfsave.rs
@@ -0,0 +1,145 @@
+//! Wolf RPG `.sav` outer encryption: a 3-pass MSVCRT-`rand` XOR stream over the file body
+//! (everything from offset `0x14` to EOF), keyed by three seed bytes pulled from the file head.
+//!
+//! This is the outer layer only. It leaves the decrypted plaintext (header, baked title,
+//! length-prefixed strings, variable database, and so on) for a higher layer to interpret. The
+//! codec is byte-exact: [`encrypt`]`(`[`decrypt`]`(raw)) == raw` for any real save whose stored
+//! checksum already matches its body. That is the common case, see [`fix_checksum`].
+//!
+//! The MSVCRT generator is reproduced exactly. `state = state*214013 + 2531011` then
+//! `out = (state >> 16) & 0x7FFF`, with `srand(seed)` setting `state = seed`. Each XOR byte is
+//! `(rand() >> 12) & 0xFF`.
+
+/// Body starts here. Bytes `0x00..0x14` (seeds, checksum, flags) are never XORed.
+pub const START_OFFSET: usize = 0x14;
+
+/// MSVCRT `rand`/`srand`. `state` seeds directly from `srand`'s argument.
+struct MsvcRand {
+    state: u32,
+}
+
+impl MsvcRand {
+    fn new(seed: u8) -> Self {
+        // srand takes an int. The engine seeds it with a single header byte (0..=255).
+        MsvcRand { state: seed as u32 }
+    }
+
+    fn next(&mut self) -> u16 {
+        self.state = self.state.wrapping_mul(214013).wrapping_add(2531011);
+        ((self.state >> 16) & 0x7FFF) as u16
+    }
+}
+
+/// XOR one pass over the body in place: `srand(seed)`, then for every `step`-th byte from
+/// `START_OFFSET` to the end, `data[j] ^= (rand() >> 12) & 0xFF`.
+fn xor_stream(data: &mut [u8], seed: u8, step: usize) {
+    let mut rng = MsvcRand::new(seed);
+    let mut j = START_OFFSET;
+    while j < data.len() {
+        data[j] ^= ((rng.next() >> 12) & 0xFF) as u8;
+        j += step;
+    }
+}
+
+/// Decrypt a raw `.sav` buffer into its plaintext form.
+///
+/// Seeds are `s0 = data[0]`, `s1 = data[3]`, `s2 = data[9]`. The passes run in that order with
+/// increments `[1, 2, 5]`. A buffer too small to have a body (`len <= START_OFFSET`) is returned
+/// unchanged.
+pub fn decrypt(raw: &[u8]) -> Vec<u8> {
+    let mut data = raw.to_vec();
+    if data.len() <= START_OFFSET {
+        return data;
+    }
+    let (s0, s1, s2) = (data[0], data[3], data[9]);
+    xor_stream(&mut data, s0, 1);
+    xor_stream(&mut data, s1, 2);
+    xor_stream(&mut data, s2, 5);
+    data
+}
+
+/// Recompute the body checksum: `data[2] = sum(data[0x14..]) & 0xFF`. Call before [`encrypt`]
+/// whenever the body may have changed. No-op for a buffer with no body.
+// `&mut Vec<u8>` (rather than `&mut [u8]`) is the public signature for this codec.
+#[allow(clippy::ptr_arg)]
+pub fn fix_checksum(data: &mut Vec<u8>) {
+    if data.len() > START_OFFSET {
+        let sum = data[START_OFFSET..]
+            .iter()
+            .fold(0u8, |acc, &b| acc.wrapping_add(b));
+        data[2] = sum;
+    }
+}
+
+/// Encrypt a plaintext buffer back into a raw `.sav`.
+///
+/// This is the exact inverse of [`decrypt`]. The checksum is recomputed first, then the three
+/// XOR passes run in reverse seed order (`s0 = data[9]`, `s1 = data[3]`, `s2 = data[0]`) with
+/// increments `[5, 2, 1]`. Because the seeds are read from the never-XORed head bytes, decrypt
+/// and encrypt key off identical seed values, so the passes cancel and
+/// `encrypt(decrypt(raw)) == raw` for any save whose stored checksum already equals its body
+/// checksum.
+pub fn encrypt(plain: &[u8]) -> Vec<u8> {
+    let mut data = plain.to_vec();
+    if data.len() <= START_OFFSET {
+        return data;
+    }
+    fix_checksum(&mut data);
+    let (s0, s1, s2) = (data[9], data[3], data[0]);
+    xor_stream(&mut data, s0, 5);
+    xor_stream(&mut data, s1, 2);
+    xor_stream(&mut data, s2, 1);
+    data
+}
+
+#[cfg(test)]
+mod tests {
+    use super::*;
+
+    #[test]
+    fn msvc_rand_matches_reference_sequence() {
+        // After srand(1), the first few rand() values from the canonical MSVCRT generator.
+        let mut r = MsvcRand::new(1);
+        assert_eq!(r.next(), 41);
+        assert_eq!(r.next(), 18467);
+        assert_eq!(r.next(), 6334);
+    }
+
+    #[test]
+    fn roundtrip_on_synthetic_data() {
+        // Build a buffer with a body, give it a correct checksum, encrypt then decrypt: identical.
+        let mut plain: Vec<u8> = (0u8..=200).cycle().take(0x14 + 137).collect();
+        // Vary the seed bytes so all three passes use distinct seeds.
+        plain[0] = 0x37;
+        plain[3] = 0x9A;
+        plain[9] = 0x04;
+        fix_checksum(&mut plain);
+
+        let enc = encrypt(&plain);
+        let dec = decrypt(&enc);
+        assert_eq!(dec, plain, "decrypt(encrypt(plain)) must be identity");
+
+        // And the body actually changed under encryption (not a no-op).
+        assert_ne!(&enc[START_OFFSET..], &plain[START_OFFSET..]);
+        // The head (seeds/checksum/flags) is never XORed, so it is carried verbatim.
+        assert_eq!(&enc[..START_OFFSET], &plain[..START_OFFSET]);
+    }
+
+    #[test]
+    fn fix_checksum_sets_byte2() {
+        let mut data = vec![0u8; 0x14 + 4];
+        data[0x14] = 10;
+        data[0x15] = 20;
+        data[0x16] = 30;
+        data[0x17] = 40;
+        fix_checksum(&mut data);
+        assert_eq!(data[2], 100);
+    }
+
+    #[test]
+    fn tiny_buffer_is_untouched() {
+        let raw = vec![1u8, 2, 3];
+        assert_eq!(decrypt(&raw), raw);
+        assert_eq!(encrypt(&raw), raw);
+    }
+}
diff --git a/util/wolfdawn-master/crates/wolf-core/src/error.rs b/util/wolfdawn-master/crates/wolf-core/src/error.rs
new file mode 100644
index 0000000..9439b9d
--- /dev/null
+++ b/util/wolfdawn-master/crates/wolf-core/src/error.rs
@@ -0,0 +1,69 @@
+use std::fmt;
+
+pub type Result<T> = std::result::Result<T, Error>;
+
+/// Errors raised by the low-level wire layer.
+#[derive(Debug, Clone, PartialEq, Eq)]
+pub enum Error {
+    /// Tried to read past the end of the buffer.
+    UnexpectedEof {
+        context: &'static str,
+        needed: usize,
+        pos: usize,
+        len: usize,
+    },
+    /// A fixed magic/marker byte sequence did not match.
+    BadMagic {
+        context: &'static str,
+        expected: Vec<u8>,
+        found: Vec<u8>,
+    },
+    /// A structural invariant was violated.
+    Invalid(String),
+}
+
+impl Error {
+    pub fn invalid(msg: impl Into<String>) -> Self {
+        Error::Invalid(msg.into())
+    }
+}
+
+impl fmt::Display for Error {
+    fn fmt(&self, f: &mut fmt::Formatter<'_>) -> fmt::Result {
+        match self {
+            Error::UnexpectedEof {
+                context,
+                needed,
+                pos,
+                len,
+            } => write!(
+                f,
+                "unexpected EOF while reading {context}: need {needed} byte(s) at offset {pos}, buffer is {len} byte(s)"
+            ),
+            Error::BadMagic {
+                context,
+                expected,
+                found,
+            } => write!(
+                f,
+                "bad magic for {context}: expected {}, found {}",
+                hex(expected),
+                hex(found)
+            ),
+            Error::Invalid(msg) => write!(f, "{msg}"),
+        }
+    }
+}
+
+impl std::error::Error for Error {}
+
+fn hex(bytes: &[u8]) -> String {
+    let mut s = String::with_capacity(bytes.len() * 3);
+    for (i, b) in bytes.iter().enumerate() {
+        if i > 0 {
+            s.push(' ');
+        }
+        s.push_str(&format!("{b:02x}"));
+    }
+    s
+}
diff --git a/util/wolfdawn-master/crates/wolf-core/src/lib.rs b/util/wolfdawn-master/crates/wolf-core/src/lib.rs
new file mode 100644
index 0000000..ebbe070
--- /dev/null
+++ b/util/wolfdawn-master/crates/wolf-core/src/lib.rs
@@ -0,0 +1,20 @@
+//! `wolf-core`: the low-level Wolf RPG wire layer.
+//!
+//! Provides the byte [`Reader`]/[`Writer`] and the length-prefixed [`WStr`] string
+//! primitive shared by every Wolf file format. This layer carries no Wolf domain
+//! semantics (no maps, databases or commands) and decodes nothing it cannot reproduce
+//! byte-for-byte. Strings are kept as raw bytes so read/write is exact regardless of
+//! Shift-JIS vs UTF-8 encoding.
+
+#![forbid(unsafe_code)]
+
+pub mod codec;
+pub mod error;
+pub mod reader;
+pub mod writer;
+pub mod wstr;
+
+pub use error::{Error, Result};
+pub use reader::Reader;
+pub use writer::Writer;
+pub use wstr::WStr;
diff --git a/util/wolfdawn-master/crates/wolf-core/src/reader.rs b/util/wolfdawn-master/crates/wolf-core/src/reader.rs
new file mode 100644
index 0000000..616d870
--- /dev/null
+++ b/util/wolfdawn-master/crates/wolf-core/src/reader.rs
@@ -0,0 +1,140 @@
+use crate::error::{Error, Result};
+use crate::wstr::WStr;
+
+/// A cursor over an in-memory byte buffer that decodes the Wolf wire primitives.
+///
+/// `Int` = u32 little-endian, `Byte` = u8, `String` = u32 length prefix plus that many
+/// raw bytes (kept undecoded, see [`WStr`]).
+pub struct Reader<'a> {
+    data: &'a [u8],
+    pos: usize,
+}
+
+impl<'a> Reader<'a> {
+    pub fn new(data: &'a [u8]) -> Self {
+        Reader { data, pos: 0 }
+    }
+
+    pub fn pos(&self) -> usize {
+        self.pos
+    }
+
+    pub fn len(&self) -> usize {
+        self.data.len()
+    }
+
+    pub fn is_empty(&self) -> bool {
+        self.data.is_empty()
+    }
+
+    pub fn remaining(&self) -> usize {
+        self.data.len().saturating_sub(self.pos)
+    }
+
+    pub fn is_eof(&self) -> bool {
+        self.pos >= self.data.len()
+    }
+
+    pub fn seek(&mut self, pos: usize) {
+        self.pos = pos;
+    }
+
+    /// Absolute byte at `idx` without moving the cursor.
+    pub fn at(&self, idx: usize) -> Option<u8> {
+        self.data.get(idx).copied()
+    }
+
+    pub fn skip(&mut self, n: usize, context: &'static str) -> Result<()> {
+        self.ensure(n, context)?;
+        self.pos += n;
+        Ok(())
+    }
+
+    fn ensure(&self, n: usize, context: &'static str) -> Result<()> {
+        if self.pos + n > self.data.len() {
+            return Err(Error::UnexpectedEof {
+                context,
+                needed: n,
+                pos: self.pos,
+                len: self.data.len(),
+            });
+        }
+        Ok(())
+    }
+
+    pub fn read_u8(&mut self) -> Result<u8> {
+        self.ensure(1, "u8")?;
+        let v = self.data[self.pos];
+        self.pos += 1;
+        Ok(v)
+    }
+
+    pub fn read_u32(&mut self) -> Result<u32> {
+        self.ensure(4, "u32")?;
+        let b = &self.data[self.pos..self.pos + 4];
+        self.pos += 4;
+        Ok(u32::from_le_bytes([b[0], b[1], b[2], b[3]]))
+    }
+
+    /// Peek the next u32 without advancing the cursor.
+    pub fn peek_u32(&self) -> Result<u32> {
+        self.ensure(4, "peek u32")?;
+        let b = &self.data[self.pos..self.pos + 4];
+        Ok(u32::from_le_bytes([b[0], b[1], b[2], b[3]]))
+    }
+
+    pub fn read_bytes(&mut self, n: usize) -> Result<Vec<u8>> {
+        self.ensure(n, "fixed bytes")?;
+        let v = self.data[self.pos..self.pos + n].to_vec();
+        self.pos += n;
+        Ok(v)
+    }
+
+    /// `String`: u32 byte-length prefix + that many raw bytes.
+    pub fn read_string(&mut self) -> Result<WStr> {
+        let size = self.read_u32()? as usize;
+        let bytes = self.read_bytes(size)?;
+        Ok(WStr(bytes))
+    }
+
+    /// `ByteArray`: u32 count + that many bytes.
+    pub fn read_byte_array(&mut self) -> Result<Vec<u8>> {
+        let size = self.read_u32()? as usize;
+        self.read_bytes(size)
+    }
+
+    /// `IntArray`: u32 count + that many u32s.
+    pub fn read_int_array(&mut self) -> Result<Vec<u32>> {
+        let size = self.read_u32()? as usize;
+        let mut out = Vec::with_capacity(size.min(1 << 16));
+        for _ in 0..size {
+            out.push(self.read_u32()?);
+        }
+        Ok(out)
+    }
+
+    /// `StringArray`: u32 count + that many `String`s.
+    pub fn read_string_array(&mut self) -> Result<Vec<WStr>> {
+        let size = self.read_u32()? as usize;
+        let mut out = Vec::with_capacity(size.min(1 << 16));
+        for _ in 0..size {
+            out.push(self.read_string()?);
+        }
+        Ok(out)
+    }
+
+    /// Verify a fixed marker/magic byte sequence and advance past it.
+    pub fn verify(&mut self, expected: &[u8], context: &'static str) -> Result<()> {
+        self.ensure(expected.len(), context)?;
+        let found = &self.data[self.pos..self.pos + expected.len()];
+        if found != expected {
+            return Err(Error::BadMagic {
+                context,
+                expected: expected.to_vec(),
+                found: found.to_vec(),
+            });
+        }
+        self.pos += expected.len();
+        Ok(())
+    }
+}
diff --git a/util/wolfdawn-master/crates/wolf-core/src/writer.rs b/util/wolfdawn-master/crates/wolf-core/src/writer.rs
new file mode 100644
index 0000000..2dba077
--- /dev/null
+++ b/util/wolfdawn-master/crates/wolf-core/src/writer.rs
@@ -0,0 +1,73 @@
+use crate::wstr::WStr;
+
+/// Accumulates the Wolf wire primitives into a byte buffer. The exact inverse of
+/// [`crate::reader::Reader`]. Writing back everything that was read reproduces the
+/// original bytes, which is the round-trip contract for the format layer.
+#[derive(Default)]
+pub struct Writer {
+    buf: Vec<u8>,
+}
+
+impl Writer {
+    pub fn new() -> Self {
+        Writer { buf: Vec::new() }
+    }
+
+    pub fn with_capacity(cap: usize) -> Self {
+        Writer {
+            buf: Vec::with_capacity(cap),
+        }
+    }
+
+    pub fn len(&self) -> usize {
+        self.buf.len()
+    }
+
+    pub fn is_empty(&self) -> bool {
+        self.buf.is_empty()
+    }
+
+    pub fn as_slice(&self) -> &[u8] {
+        &self.buf
+    }
+
+    pub fn into_bytes(self) -> Vec<u8> {
+        self.buf
+    }
+
+    pub fn write_u8(&mut self, v: u8) {
+        self.buf.push(v);
+    }
+
+    pub fn write_u32(&mut self, v: u32) {
+        self.buf.extend_from_slice(&v.to_le_bytes());
+    }
+
+    pub fn write_bytes(&mut self, b: &[u8]) {
+        self.buf.extend_from_slice(b);
+    }
+
+    pub fn write_string(&mut self, s: &WStr) {
+        self.write_u32(s.len() as u32);
+        self.buf.extend_from_slice(s.as_bytes());
+    }
+
+    pub fn write_byte_array(&mut self, b: &[u8]) {
+        self.write_u32(b.len() as u32);
+        self.buf.extend_from_slice(b);
+    }
+
+    pub fn write_int_array(&mut self, a: &[u32]) {
+        self.write_u32(a.len() as u32);
+        for &v in a {
+            self.write_u32(v);
+        }
+    }
+
+    pub fn write_string_array(&mut self, a: &[WStr]) {
+        self.write_u32(a.len() as u32);
+        for s in a {
+            self.write_string(s);
+        }
+    }
+}
diff --git a/util/wolfdawn-master/crates/wolf-core/src/wstr.rs b/util/wolfdawn-master/crates/wolf-core/src/wstr.rs
new file mode 100644
index 0000000..6965fb5
--- /dev/null
+++ b/util/wolfdawn-master/crates/wolf-core/src/wstr.rs
@@ -0,0 +1,44 @@
+use std::fmt;
+
+/// A Wolf length-prefixed string, stored as its raw on-disk bytes (no length prefix
+/// included). Encoding is either Shift-JIS (CP932) or UTF-8 depending on the owning
+/// file's magic. The low-level layer does not decode it, so read/write stays byte-exact
+/// regardless of encoding. Decoding to UTF-8 for human display happens in the decompiler
+/// layer.
+#[derive(Clone, Default, PartialEq, Eq, Hash)]
+pub struct WStr(pub Vec<u8>);
+
+impl WStr {
+    pub fn new(bytes: Vec<u8>) -> Self {
+        WStr(bytes)
+    }
+
+    pub fn as_bytes(&self) -> &[u8] {
+        &self.0
+    }
+
+    pub fn len(&self) -> usize {
+        self.0.len()
+    }
+
+    pub fn is_empty(&self) -> bool {
+        self.0.is_empty()
+    }
+
+    /// Lossy UTF-8 view, for diagnostics/display only. Not used on the round-trip path.
+    pub fn to_lossy(&self) -> String {
+        String::from_utf8_lossy(&self.0).into_owned()
+    }
+}
+
+impl fmt::Debug for WStr {
+    fn fmt(&self, f: &mut fmt::Formatter<'_>) -> fmt::Result {
+        write!(f, "{:?}", self.to_lossy())
+    }
+}
+
+impl From<&str> for WStr {
+    fn from(s: &str) -> Self {
+        WStr(s.as_bytes().to_vec())
+    }
+}
diff --git a/util/wolfdawn-master/crates/wolf-decompiler/Cargo.toml b/util/wolfdawn-master/crates/wolf-decompiler/Cargo.toml
new file mode 100644
index 0000000..ff74c93
--- /dev/null
+++ b/util/wolfdawn-master/crates/wolf-decompiler/Cargo.toml
@@ -0,0 +1,15 @@
+[package]
+name = "wolf-decompiler"
+edition.workspace = true
+version.workspace = true
+license.workspace = true
+description = "Renders Wolf RPG event command programs into readable, editable WolfScript."
+
+[dependencies]
+wolf-core = { path = "../wolf-core" }
+wolf-formats = { path = "../wolf-formats" }
+# Encoding (SJIS/CP932 <-> UTF-8) is permitted at the decompiler layer only.
+encoding_rs = "0.8"
+# The command reference (data/commands.json) is loaded via serde at startup.
+serde = { version = "1", features = ["derive"] }
+serde_json = "1"
diff --git a/util/wolfdawn-master/crates/wolf-decompiler/examples/roundtrip_check.rs b/util/wolfdawn-master/crates/wolf-decompiler/examples/roundtrip_check.rs
new file mode 100644
index 0000000..1630e08
--- /dev/null
+++ b/util/wolfdawn-master/crates/wolf-decompiler/examples/roundtrip_check.rs
@@ -0,0 +1,80 @@
+//! Byte-exact round-trip check for the gated/recompilable path across a corpus root:
+//! `compile_commands_enc(decompile_commands_enc(cmds)) == cmds` for every command list.
+//! Exercises the new operand banks, flagged compare ops, and operand-decoded route args.
+//!
+//! Run: `cargo run -p wolf-decompiler --example roundtrip_check -- <root>`
+
+use std::path::PathBuf;
+
+use wolf_decompiler::{compile_commands_enc, decompile_commands_enc};
+use wolf_formats::common_event::CommonEventsFile;
+use wolf_formats::map::Map;
+
+fn main() {
+    let root = std::env::args()
+        .nth(1)
+        .map(PathBuf::from)
+        .unwrap_or_else(|| PathBuf::from("../../.."));
+
+    let mut stack = vec![root];
+    let mut ok = 0usize;
+    let mut mismatch = 0usize;
+    let mut lists = 0usize;
+    while let Some(d) = stack.pop() {
+        let Ok(rd) = std::fs::read_dir(&d) else {
+            continue;
+        };
+        for e in rd.flatten() {
+            let p = e.path();
+            if p.is_dir() {
+                stack.push(p);
+                continue;
+            }
+            let name = p.file_name().and_then(|s| s.to_str()).unwrap_or("");
+            let ext = p.extension().and_then(|s| s.to_str()).unwrap_or("");
+            let bytes = std::fs::read(&p).unwrap_or_default();
+            let mut programs: Vec<(bool, Vec<_>)> = Vec::new();
+            if name == "CommonEvent.dat" {
+                if let Ok(ce) = CommonEventsFile::read(&bytes) {
+                    for ev in ce.events {
+                        programs.push((ce.utf8, ev.commands));
+                    }
+                }
+            } else if ext.eq_ignore_ascii_case("mps") {
+                if let Ok(m) = Map::read(&bytes) {
+                    for ev in m.events {
+                        for pg in ev.pages {
+                            programs.push((m.utf8, pg.commands));
+                        }
+                    }
+                }
+            }
+            for (utf8, cmds) in programs {
+                lists += 1;
+                let text = decompile_commands_enc(&cmds, utf8);
+                match compile_commands_enc(&text, utf8) {
+                    Ok(back) if back == cmds => ok += 1,
+                    Ok(_) => {
+                        mismatch += 1;
+                        if mismatch <= 5 {
+                            eprintln!(
+                                "MISMATCH (structure differs) in {:?}",
+                                p.file_name().unwrap()
+                            );
+                        }
+                    }
+                    Err(e) => {
+                        mismatch += 1;
+                        if mismatch <= 5 {
+                            eprintln!("COMPILE ERR in {:?}: {e}", p.file_name().unwrap());
+                        }
+                    }
+                }
+            }
+        }
+    }
+    println!("command lists: {lists} | byte-exact round-trip OK: {ok} | mismatch: {mismatch}");
+    if mismatch != 0 {
+        std::process::exit(1);
+    }
+}
diff --git a/util/wolfdawn-master/crates/wolf-decompiler/examples/scan_banks.rs b/util/wolfdawn-master/crates/wolf-decompiler/examples/scan_banks.rs
new file mode 100644
index 0000000..ed16b99
--- /dev/null
+++ b/util/wolfdawn-master/crates/wolf-decompiler/examples/scan_banks.rs
@@ -0,0 +1,345 @@
+//! Corpus-wide diagnostic: across every engine version, find unnamed/fallthrough renderings
+//! and the raw operand "banks" actually used, so no random index goes unhandled.
+//!
+//! Run: `cargo run -p wolf-decompiler --example scan_banks -- <root>`
+
+use std::collections::BTreeMap;
+use std::path::{Path, PathBuf};
+
+use wolf_decompiler::{decompile_common_events, decompile_map, SymbolTable};
+use wolf_formats::command::RawCommand;
+use wolf_formats::common_event::CommonEventsFile;
+use wolf_formats::map::Map;
+
+fn main() {
+    let root = std::env::args()
+        .nth(1)
+        .map(PathBuf::from)
+        .unwrap_or_else(|| PathBuf::from("../../.."));
+
+    let mut files = Vec::new();
+    let mut stack = vec![root];
+    while let Some(d) = stack.pop() {
+        let Ok(rd) = std::fs::read_dir(&d) else {
+            continue;
+        };
+        for e in rd.flatten() {
+            let p = e.path();
+            if p.is_dir() {
+                stack.push(p);
+            } else {
+                let name = p.file_name().and_then(|s| s.to_str()).unwrap_or("");
+                let ext = p.extension().and_then(|s| s.to_str()).unwrap_or("");
+                if name == "CommonEvent.dat" || ext.eq_ignore_ascii_case("mps") {
+                    files.push(p);
+                }
+            }
+        }
+    }
+    files.sort();
+
+    // token name -> (count, sample)
+    let mut tokens: BTreeMap<&'static str, (usize, String)> = BTreeMap::new();
+    // operand bank (v/100000) -> (count, set of (cid,argidx) sites)
+    let mut banks: BTreeMap<u32, (usize, BTreeMap<(u32, usize), usize>)> = BTreeMap::new();
+    // every command cid used, and every route sub-command id used
+    let mut cids: BTreeMap<u32, usize> = BTreeMap::new();
+    let mut route_ids: BTreeMap<u32, usize> = BTreeMap::new();
+    let mut read_fail: BTreeMap<String, usize> = BTreeMap::new();
+    let mut n_maps = 0usize;
+    let mut n_ce = 0usize;
+
+    let sym = SymbolTable::new();
+    for p in &files {
+        let bytes = std::fs::read(p).unwrap_or_default();
+        let name = p.file_name().and_then(|s| s.to_str()).unwrap_or("");
+        let ver = version_of(p);
+        if name == "CommonEvent.dat" {
+            match CommonEventsFile::read(&bytes) {
+                Ok(ce) => {
+                    n_ce += 1;
+                    let text = decompile_common_events(&ce, &sym);
+                    scan_text(&text, p, &mut tokens);
+                    for ev in &ce.events {
+                        for c in &ev.commands {
+                            scan_cmd(c, &mut banks, &mut cids, &mut route_ids);
+                        }
+                    }
+                }
+                Err(e) => *read_fail.entry(format!("{ver} CE: {e}")).or_default() += 1,
+            }
+        } else {
+            match Map::read(&bytes) {
+                Ok(m) => {
+                    n_maps += 1;
+                    let text = decompile_map(&m, &sym);
+                    scan_text(&text, p, &mut tokens);
+                    for ev in &m.events {
+                        for pg in &ev.pages {
+                            for c in &pg.commands {
+                                scan_cmd(c, &mut banks, &mut cids, &mut route_ids);
+                            }
+                        }
+                    }
+                }
+                Err(e) => *read_fail.entry(format!("{ver} MAP: {e}")).or_default() += 1,
+            }
+        }
+    }
+
+    println!("== scanned: {n_maps} maps + {n_ce} common-event files ==\n");
+
+    // Cross-check against what the spec catalogues.
+    let unknown_cids: Vec<(u32, usize)> = cids
+        .iter()
+        .filter(|(cid, _)| wolf_decompiler::spec::command(**cid).is_none())
+        .map(|(c, n)| (*c, *n))
+        .collect();
+    let unknown_routes: Vec<(u32, usize)> = route_ids
+        .iter()
+        .map(|(k, n)| (k / 1000, *n))
+        .filter(|(id, _)| wolf_decompiler::spec::route_name(*id) == format!("route{id}"))
+        .collect();
+    println!("-- UNKNOWN COMMAND CIDS (no schema -> Cmd<n>) --");
+    if unknown_cids.is_empty() {
+        println!("  none\n");
+    } else {
+        for (c, n) in &unknown_cids {
+            println!("  cid {c:5}  {n}x");
+        }
+        println!();
+    }
+    println!("-- UNNAMED ROUTE SUB-COMMAND IDS (-> route<n>) --");
+    if unknown_routes.is_empty() {
+        println!("  none\n");
+    } else {
+        for (c, n) in &unknown_routes {
+            println!("  route id {c:5}  {n}x");
+        }
+        println!();
+    }
+    println!("-- ALL ROUTE IDS USED (id #args, count, current name) --");
+    for (key, n) in &route_ids {
+        let id = key / 1000;
+        let argc = key % 1000;
+        println!(
+            "  id {id:3}  args {argc}  {n:7}x  {}",
+            wolf_decompiler::spec::route_name(id)
+        );
+    }
+    println!();
+
+    println!("-- READ FAILURES (silently skipped by gates) --");
+    if read_fail.is_empty() {
+        println!("  none\n");
+    } else {
+        for (k, v) in &read_fail {
+            println!("  {v:4}x  {k}");
+        }
+        println!();
+    }
+
+    println!("-- FALLTHROUGH TOKENS in rendered output --");
+    if tokens.is_empty() {
+        println!("  none\n");
+    } else {
+        for (tok, (cnt, sample)) in &tokens {
+            println!("  {cnt:6}x  {tok:12}  e.g. {sample}");
+        }
+        println!();
+    }
+
+    println!("-- RAW OPERAND BANKS (every int_arg >= 1,000,000, bucketed by /100000) --");
+    println!("   bank = the millions/hundred-thousands prefix; sites = distinct (cid,argIndex)");
+    for (bank, (cnt, sites)) in &banks {
+        let label = bank_label(*bank);
+        let mut site_str: Vec<String> = sites
+            .iter()
+            .map(|((cid, ai), n)| format!("cmd{cid}#{ai}x{n}"))
+            .collect();
+        site_str.sort();
+        let shown = site_str.len().min(8);
+        println!(
+            "  {bank:>4} ({label:<22}) {cnt:8}x  sites[{}]: {}",
+            site_str.len(),
+            site_str[..shown].join(" ")
+        );
+    }
+}
+
+fn scan_cmd(
+    c: &RawCommand,
+    banks: &mut BTreeMap<u32, (usize, BTreeMap<(u32, usize), usize>)>,
+    cids: &mut BTreeMap<u32, usize>,
+    route_ids: &mut BTreeMap<u32, usize>,
+) {
+    *cids.entry(c.cid).or_default() += 1;
+    // Diagnostic: dump VariableCondition (111) terms whose op code is out of the known 0..6 set.
+    if c.cid == 111 {
+        if let Some(&header) = c.int_args.first() {
+            let n = (header & 0x0F) as usize;
+            for g in 0..n {
+                if let Some(&op) = c.int_args.get(1 + g * 3 + 2) {
+                    if op > 6 {
+                        eprintln!(
+                            "WEIRD cmd111 op={op} (0x{op:x}) header=0x{header:x} n={n} args={:?}",
+                            c.int_args
+                        );
+                    }
+                }
+            }
+        }
+    }
+    if let Some(mr) = &c.move_route {
+        for rc in &mr.commands {
+            // encode (id, argcount) so we can see the real shape: id*1000 + argc
+            *route_ids
+                .entry(rc.id as u32 * 1000 + rc.args.len() as u32)
+                .or_default() += 1;
+        }
+    }
+    for (i, &v) in c.int_args.iter().enumerate() {
+        if v >= 1_000_000 && v != 0xFFFF_FFFF && v != 0xFFFF_FFFE {
+            let bank = v / 100_000;
+            let e = banks.entry(bank).or_default();
+            e.0 += 1;
+            *e.1.entry((c.cid, i)).or_default() += 1;
+        }
+    }
+}
+
+fn scan_text(text: &str, p: &Path, tokens: &mut BTreeMap<&'static str, (usize, String)>) {
+    let checks: &[(&'static str, fn(&str) -> bool)] = &[
+        ("Self*[", |l| l.contains("Self*[")),
+        ("@raw", |l| l.contains("@raw ")),
+        ("Cmd<n>", |l| has_prefixed_num(l, "Cmd")),
+        ("route<n>", |l| has_route_num(l)),
+        ("cmp<n>", |l| has_cmp_num(l)),
+        ("strcmp<n>", |l| has_prefixed_num(l, "strcmp")),
+        ("argN", |l| has_argn(l)),
+    ];
+    for line in text.lines() {
+        for (tok, f) in checks {
+            if f(line) {
+                let e = tokens.entry(*tok).or_insert((0, String::new()));
+                e.0 += 1;
+                if e.1.is_empty() {
+                    e.1 = format!(
+                        "{} :: {}",
+                        p.file_name().and_then(|s| s.to_str()).unwrap_or(""),
+                        line.trim()
+                    );
+                }
+            }
+        }
+    }
+}
+
+/// `prefix` immediately followed by a digit, not part of a longer alnum word before it.
+fn has_prefixed_num(line: &str, prefix: &str) -> bool {
+    line.match_indices(prefix).any(|(i, _)| {
+        let before_ok = i == 0
+            || !line[..i]
+                .chars()
+                .last()
+                .map(|c| c.is_alphanumeric())
+                .unwrap_or(false);
+        let after = &line[i + prefix.len()..];
+        before_ok
+            && after
+                .chars()
+                .next()
+                .map(|c| c.is_ascii_digit())
+                .unwrap_or(false)
+    })
+}
+
+/// `route` + digit, but NOT `@route(` (the Move route header) and not inside a word.
+fn has_route_num(line: &str) -> bool {
+    line.match_indices("route").any(|(i, _)| {
+        let prev = if i == 0 {
+            None
+        } else {
+            line[..i].chars().last()
+        };
+        let before_ok = prev
+            .map(|c| !c.is_alphanumeric() && c != '@')
+            .unwrap_or(true);
+        let after = &line[i + 5..];
+        before_ok
+            && after
+                .chars()
+                .next()
+                .map(|c| c.is_ascii_digit())
+                .unwrap_or(false)
+    })
+}
+
+/// ` cmp` + digit (the VariableCondition unknown-op form), not `strcmp`.
+fn has_cmp_num(line: &str) -> bool {
+    line.match_indices("cmp").any(|(i, _)| {
+        let prev = if i == 0 {
+            None
+        } else {
+            line[..i].chars().last()
+        };
+        // exclude the `str` of `strcmp`
+        let before_ok = prev.map(|c| !c.is_alphanumeric()).unwrap_or(true);
+        let after = &line[i + 3..];
+        before_ok
+            && after
+                .chars()
+                .next()
+                .map(|c| c.is_ascii_digit())
+                .unwrap_or(false)
+    })
+}
+
+fn has_argn(line: &str) -> bool {
+    line.match_indices("arg").any(|(i, _)| {
+        let prev = if i == 0 {
+            None
+        } else {
+            line[..i].chars().last()
+        };
+        let before_ok = prev.map(|c| !c.is_alphanumeric()).unwrap_or(true);
+        let after = &line[i + 3..];
+        let digit = after
+            .chars()
+            .next()
+            .map(|c| c.is_ascii_digit())
+            .unwrap_or(false);
+        before_ok
+            && digit
+            && after
+                .split_once('=')
+                .map(|(k, _)| k.chars().all(|c| c.is_ascii_digit()))
+                .unwrap_or(false)
+    })
+}
+
+fn bank_label(b: u32) -> &'static str {
+    match b {
+        10 => "1.0M map-event ref",
+        11 => "1.1M Self[]",
+        12..=15 => "1.2-1.5M ???",
+        16 => "1.6M CSelf[]",
+        17..=19 => "1.7-1.9M ???",
+        20..=29 => "2.x V[] normal",
+        30..=39 => "3.x S[] string",
+        40..=89 => "4-8M bare-lit ???",
+        90..=99 => "9.x Sys[]",
+        _ => "10M+ bare-lit ???",
+    }
+}
+
+fn version_of(p: &Path) -> String {
+    for comp in p.components() {
+        if let Some(s) = comp.as_os_str().to_str() {
+            if s.starts_with("WolfRPGEditor_") {
+                return s.to_string();
+            }
+        }
+    }
+    "(loose)".to_string()
+}
diff --git a/util/wolfdawn-master/crates/wolf-decompiler/src/compile/cmd.rs b/util/wolfdawn-master/crates/wolf-decompiler/src/compile/cmd.rs
new file mode 100644
index 0000000..d53168d
--- /dev/null
+++ b/util/wolfdawn-master/crates/wolf-decompiler/src/compile/cmd.rs
@@ -0,0 +1,743 @@
+//! Leaf-command and block-opener reconstruction (numeric operand forms).
+//!
+//! Inverts the readable rendering back to exact `RawCommand`s. Commands whose pretty form is
+//! fully invertible (Message, Comment, SetVariable, SetString, Wait, conditions, loops, choices)
+//! are handled here. Lossy-pretty commands (Sound, Picture, Database, and so on) carry a trailing
+//! `@raw(...)` annotation so the byte layer stays recoverable. The round-trip gate reports exactly
+//! which commands still need it.
+
+use wolf_formats::command::{MoveRoute, RawCommand, RouteCommand};
+use wolf_formats::{Error, Reader, Result, WStr};
+
+use crate::text::text_to_wstr;
+
+/// Parse the lossless `@raw <cid> i:<ints> s:<hex,…> t:<term> m:<route-hex|-> v:<v35-hex|->`.
+fn parse_raw(line: &str, indent: u8) -> std::result::Result<RawCommand, String> {
+    let rest = &line["@raw ".len()..];
+    let mut toks = rest.split(' ');
+    let cid = toks
+        .next()
+        .ok_or("@raw: missing cid")?
+        .parse::<u32>()
+        .map_err(|_| "@raw: bad cid")?;
+    let (mut ints, mut strs, mut term, mut route, mut v35) =
+        (Vec::new(), Vec::new(), 0u8, None, None);
+    for tok in toks {
+        if let Some(v) = tok.strip_prefix("i:") {
+            if !v.is_empty() {
+                ints = v
+                    .split(',')
+                    .map(|x| {
+                        x.parse::<i64>()
+                            .map(|n| n as u32)
+                            .map_err(|_| "@raw: bad int")
+                    })
+                    .collect::<std::result::Result<_, _>>()?;
+            }
+        } else if let Some(v) = tok.strip_prefix("s:") {
+            if !v.is_empty() {
+                strs = v
+                    .split(',')
+                    .map(|h| from_hex(h).map(WStr))
+                    .collect::<std::result::Result<_, _>>()?;
+            }
+        } else if let Some(v) = tok.strip_prefix("t:") {
+            term = v.parse().map_err(|_| "@raw: bad term")?;
+        } else if let Some(v) = tok.strip_prefix("m:") {
+            if v != "-" {
+                let bytes = from_hex(v)?;
+                route = Some(MoveRoute::read(&mut Reader::new(&bytes)).map_err(|e| e.to_string())?);
+            }
+        } else if let Some(v) = tok.strip_prefix("v:") {
+            if v != "-" {
+                v35 = Some(from_hex(v)?);
+            }
+        }
+    }
+    Ok(RawCommand {
+        cid,
+        int_args: ints,
+        indent,
+        str_args: strs,
+        term,
+        move_route: route,
+        v35_blob: v35,
+    })
+}
+
+/// Parse the lossless Move(201) form: `Move(ints) "strs" @route(t=…, f=…, h=…) { cmds }`.
+fn parse_move(line: &str, indent: u8, utf8: bool) -> std::result::Result<RawCommand, String> {
+    let (head, rest) = line.split_once(" @route(").ok_or("Move: missing @route")?;
+    let (ints, strs) = parse_move_head(head, utf8)?;
+    let (params, body) = rest.split_once(") {").ok_or("Move: @route missing `) {`")?;
+    let (term, flags, hdr) = parse_route_params(params)?;
+    let body = body
+        .trim()
+        .strip_suffix('}')
+        .ok_or("Move: route missing `}`")?;
+    let commands = parse_route_cmds(body.trim())?;
+    Ok(RawCommand {
+        cid: 201,
+        int_args: ints,
+        indent,
+        str_args: strs,
+        term,
+        move_route: Some(MoveRoute {
+            unknown: hdr,
+            flags,
+            commands,
+        }),
+        v35_blob: None,
+    })
+}
+
+fn parse_move_head(head: &str, utf8: bool) -> std::result::Result<(Vec<u32>, Vec<WStr>), String> {
+    let rest = head
+        .trim()
+        .strip_prefix("Move")
+        .ok_or("Move: expected `Move`")?
+        .trim_start();
+    let mut ints = Vec::new();
+    let after = if let Some(r) = rest.strip_prefix('(') {
+        let close = r.find(')').ok_or("Move: missing `)`")?;
+        ints = parse_labeled_args(&r[..close])?;
+        r[close + 1..].trim()
+    } else {
+        rest
+    };
+    Ok((ints, parse_trailing_strings(after, utf8)?))
+}
+
+fn parse_route_params(s: &str) -> std::result::Result<(u8, u8, [u8; 5]), String> {
+    let (mut term, mut flags, mut hdr) = (0u8, 0u8, [0u8; 5]);
+    for part in s.split(',') {
+        let part = part.trim();
+        if let Some(v) = part.strip_prefix("t=") {
+            term = v.parse().map_err(|_| "Move: bad route t")?;
+        } else if let Some(v) = part.strip_prefix("f=") {
+            flags = v.parse().map_err(|_| "Move: bad route f")?;
+        } else if let Some(v) = part.strip_prefix("h=") {
+            let bytes = from_hex(v)?;
+            if bytes.len() != 5 {
+                return Err(format!(
+                    "Move: route header must be 5 bytes, got {}",
+                    bytes.len()
+                ));
+            }
+            hdr.copy_from_slice(&bytes);
+        }
+    }
+    Ok((term, flags, hdr))
+}
+
+fn parse_route_cmds(body: &str) -> std::result::Result<Vec<RouteCommand>, String> {
+    let mut out = Vec::new();
+    for part in body.split(';') {
+        let part = part.trim();
+        if part.is_empty() {
+            continue;
+        }
+        let (name, args) = if let Some(open) = part.find('(') {
+            let close = part.find(')').ok_or("route cmd: missing `)`")?;
+            let args = part[open + 1..close]
+                .split(',')
+                .filter(|s| !s.trim().is_empty())
+                .map(|s| operand(s.trim()))
+                .collect::<std::result::Result<Vec<_>, _>>()?;
+            (part[..open].trim(), args)
+        } else {
+            (part, Vec::new())
+        };
+        let id = crate::spec::route_id_for_name(name)
+            .ok_or_else(|| format!("unknown route command: {name:?}"))? as u8;
+        out.push(RouteCommand {
+            id,
+            args,
+            terminator: [1, 0],
+        });
+    }
+    Ok(out)
+}
+
+/// Decode an even-length hex string. Errors on odd length or any non-hex digit rather than
+/// silently dropping bytes, so a corrupted hand-edited `@raw`, `x"…"`, route, or blob fails loud.
+fn from_hex(s: &str) -> std::result::Result<Vec<u8>, String> {
+    if s.len() % 2 != 0 {
+        return Err(format!("odd-length hex: {s:?}"));
+    }
+    (0..s.len() / 2)
+        .map(|i| {
+            u8::from_str_radix(&s[i * 2..i * 2 + 2], 16).map_err(|_| format!("bad hex: {s:?}"))
+        })
+        .collect()
+}
+
+fn cmd(cid: u32, ints: Vec<u32>, indent: u8, strs: Vec<WStr>) -> RawCommand {
+    RawCommand {
+        cid,
+        int_args: ints,
+        indent,
+        str_args: strs,
+        term: 0,
+        move_route: None,
+        v35_blob: None,
+    }
+}
+
+/// Parse one leaf command line. `utf8` selects the string encoding (Shift-JIS vs UTF-8).
+pub fn parse_leaf(line: &str, indent: u8, utf8: bool) -> std::result::Result<RawCommand, String> {
+    if line.starts_with("@raw ") {
+        return parse_raw(line, indent);
+    }
+    if line.contains(" @route(") {
+        return parse_move(line, indent, utf8);
+    }
+    if let Some(rest) = line.strip_prefix("# ") {
+        return Ok(cmd(103, vec![], indent, vec![wstr(rest, utf8)?]));
+    }
+    if line == "#" {
+        return Ok(cmd(103, vec![], indent, vec![wstr("", utf8)?]));
+    }
+    if let Some(rest) = line.strip_prefix("Message ") {
+        return Ok(cmd(101, vec![], indent, vec![parse_str(rest, utf8)?]));
+    }
+    if let Some(rest) = line.strip_prefix("DebugMessage ") {
+        return Ok(cmd(106, vec![], indent, vec![parse_str(rest, utf8)?]));
+    }
+    if let Some(rest) = line.strip_prefix("Wait ") {
+        return Ok(cmd(
+            180,
+            vec![rest.trim().parse().map_err(|_| "bad Wait arg")?],
+            indent,
+            vec![],
+        ));
+    }
+    if let Some(rest) = line.strip_prefix("SetVariable ") {
+        return parse_set_variable(rest, indent);
+    }
+    if let Some(rest) = line.strip_prefix("SetString ") {
+        return parse_set_string(rest, indent, utf8);
+    }
+    parse_generic(line, indent, utf8)
+}
+
+/// Inverse of the labeled fallback `Name(label=val, …) "str" …` (and `Name` or `Name "str"`).
+/// Lossless for the common term==0, no-move, no-v35 case.
+fn parse_generic(line: &str, indent: u8, utf8: bool) -> std::result::Result<RawCommand, String> {
+    use crate::spec;
+
+    // An int-arg list `(...)` only counts if it appears before any string arg. Otherwise a `(`
+    // inside a quoted string would be mistaken for an arg list.
+    let paren = line.find('(');
+    let quote = line.find('"');
+    let has_args = match (paren, quote) {
+        (Some(p), Some(q)) => p < q,
+        (Some(_), None) => true,
+        _ => false,
+    };
+    if let Some(open) = paren.filter(|_| has_args) {
+        let name = line[..open].trim();
+        // Int-arg lists never contain nested parens, so the first `)` after `(` closes them.
+        let close = open + 1 + line[open + 1..].find(')').ok_or("missing `)`")?;
+        let cid = spec::cid_for_name(name).ok_or_else(|| format!("unknown command: {name:?}"))?;
+        let ints = parse_labeled_args(&line[open + 1..close])?;
+        let strs = parse_trailing_strings(line[close + 1..].trim(), utf8)?;
+        return Ok(cmd(cid, ints, indent, strs));
+    }
+
+    // `Name` or `Name "str" "str"`
+    let (name, after) = line.split_once(' ').unwrap_or((line, ""));
+    let cid = spec::cid_for_name(name).ok_or_else(|| format!("unrecognized command: {line:?}"))?;
+    let strs = parse_trailing_strings(after.trim(), utf8)?;
+    Ok(cmd(cid, vec![], indent, strs))
+}
+
+fn parse_labeled_args(s: &str) -> std::result::Result<Vec<u32>, String> {
+    let s = s.trim();
+    if s.is_empty() {
+        return Ok(vec![]);
+    }
+    s.split(", ")
+        .map(|part| {
+            let val = part.split_once('=').map(|(_, v)| v).unwrap_or(part);
+            operand(val.trim())
+        })
+        .collect()
+}
+
+fn parse_trailing_strings(s: &str, utf8: bool) -> std::result::Result<Vec<WStr>, String> {
+    parse_quoted_seq(s, utf8)
+}
+
+/// Parse a whitespace/comma-separated sequence of string literals. Each is either readable
+/// `"text"` (escapes and empty strings) or byte-exact `x"HEX"` (raw bytes, NUL included).
+fn parse_quoted_seq(s: &str, utf8: bool) -> std::result::Result<Vec<WStr>, String> {
+    let mut out = Vec::new();
+    let mut chars = s.chars().peekable();
+    loop {
+        while matches!(chars.peek(), Some(' ') | Some(',')) {
+            chars.next();
+        }
+        match read_one_literal(&mut chars, s, utf8)? {
+            Some(w) => out.push(w),
+            None => break,
+        }
+    }
+    Ok(out)
+}
+
+/// Read a single string literal at the cursor: `x"HEX"` (raw bytes) or `"text"` (escaped,
+/// re-encoded in the file's encoding plus a trailing NUL). Returns `None` at end of input.
+fn read_one_literal(
+    chars: &mut std::iter::Peekable<std::str::Chars>,
+    ctx: &str,
+    utf8: bool,
+) -> std::result::Result<Option<WStr>, String> {
+    match chars.peek().copied() {
+        None => return Ok(None),
+        // `x"HEX"` byte-exact form.
+        Some('x') => {
+            let mut look = chars.clone();
+            look.next(); // the 'x'
+            if look.peek() == Some(&'"') {
+                chars.next(); // 'x'
+                chars.next(); // '"'
+                let mut hex = String::new();
+                loop {
+                    match chars.next() {
+                        Some('"') => break,
+                        Some(c) => hex.push(c),
+                        None => return Err(format!("unterminated x\"…\" literal in {ctx:?}")),
+                    }
+                }
+                return Ok(Some(WStr(from_hex(&hex)?)));
+            }
+            return Err(format!("expected string, got 'x' in {ctx:?}"));
+        }
+        Some('"') => chars.next(),
+        Some(c) => return Err(format!("expected string, got {c:?} in {ctx:?}")),
+    };
+    let mut buf = String::new();
+    loop {
+        match chars.next() {
+            Some('\\') => {
+                let e = chars.next().ok_or("dangling escape")?;
+                buf.push('\\');
+                buf.push(e);
+            }
+            Some('"') => break,
+            Some(c) => buf.push(c),
+            None => return Err(format!("unterminated string in {ctx:?}")),
+        }
+    }
+    Ok(Some(wstr(&buf, utf8)?))
+}
+
+fn parse_set_variable(rest: &str, indent: u8) -> std::result::Result<RawCommand, String> {
+    // <target> <modify> <left> [<binop> <right>]. Drop a trailing `// real` note. Split at the
+    // top level so annotated operands like `V[3 "Gold · ゴールド"]` stay intact.
+    let rest = rest.split("//").next().unwrap_or(rest).trim();
+    let toks = split_top(rest);
+    if toks.len() != 3 && toks.len() != 5 {
+        return Err(format!("SetVariable arity: {rest:?}"));
+    }
+    let target = operand(&toks[0])?;
+    let modify = modify_nibble(&toks[1])?;
+    let left = operand(&toks[2])?;
+    let (binop, right) = if toks.len() == 5 {
+        (binop_nibble(&toks[3])?, operand(&toks[4])?)
+    } else {
+        (0, 0)
+    };
+    let arg3 = (modify << 8) | (binop << 12);
+    Ok(cmd(121, vec![target, left, right, arg3], indent, vec![]))
+}
+
+fn parse_set_string(rest: &str, indent: u8, utf8: bool) -> std::result::Result<RawCommand, String> {
+    // <target> = "text"
+    let (target, val) = rest.split_once(" = ").ok_or("SetString missing `=`")?;
+    let target = operand(target.trim())?;
+    Ok(cmd(
+        122,
+        vec![target, 0],
+        indent,
+        vec![parse_str(val.trim(), utf8)?],
+    ))
+}
+
+/// StringCondition lhs flag. The rhs is an operand (string-var vs string-var) from the rhs
+/// section rather than a literal in `str_args`. Mirrors the renderer's `STRCOND_OPERAND_FLAG`.
+const STRCOND_OPERAND_FLAG: u32 = 0x0100_0000;
+
+/// Strip a trailing ` @b:HEX` blob suffix carried by v3.5 block openers with a non-empty
+/// per-command blob, returning the cleaned line and the decoded blob.
+pub fn split_blob_suffix(line: &str) -> (&str, Option<Vec<u8>>) {
+    if let Some(idx) = line.rfind(" @b:") {
+        let h = &line[idx + 4..];
+        if let Ok(bytes) = from_hex(h) {
+            if !bytes.is_empty() {
+                return (&line[..idx], Some(bytes));
+            }
+        }
+    }
+    (line, None)
+}
+
+/// Split a StringCondition group on its comparison operator into `(left, type, right)`. Types:
+/// `eq`=0, `ne`=1, `contains`=2, `!contains`=3, `strcmp<N>`=N. Picks the earliest operator so a
+/// token inside a right-hand string literal, such as `A eq "x contains y"`, cannot hijack the
+/// split.
+fn split_strcmp(group: &str) -> Option<(&str, u32, &str)> {
+    let mut best: Option<(usize, usize, u32)> = None; // (pos, token_len, type)
+    for (tok, ty) in [
+        (" eq ", 0u32),
+        (" ne ", 1),
+        (" contains ", 2),
+        (" !contains ", 3),
+    ] {
+        if let Some(pos) = group.find(tok) {
+            if best.map_or(true, |(bp, _, _)| pos < bp) {
+                best = Some((pos, tok.len(), ty));
+            }
+        }
+    }
+    if let Some((pos, len, ty)) = best {
+        return Some((&group[..pos], ty, &group[pos + len..]));
+    }
+    // strcmp<N> fallback for unknown comparison types.
+    let pos = group.find(" strcmp")?;
+    let after = &group[pos + " strcmp".len()..];
+    let sp = after.find(' ')?;
+    let ty = after[..sp].parse::<u32>().ok()?;
+    Some((&group[..pos], ty, &after[sp + 1..]))
+}
+
+/// Build a VariableCondition (111) or StringCondition (112) from the readable `when` conditions.
+/// A string comparison operator (`eq`, `ne`, `contains`, `!contains`, `strcmp<N>`) selects 112.
+/// Its layout is `[header][lhs×n][rhs×k]` where each lhs packs the operand (low 24 bits), the
+/// variable-right flag (bit 24), and the comparison type (high nibble).
+pub fn build_condition(
+    conds: &[&str],
+    is_and: bool,
+    indent: u8,
+    blob: Option<Vec<u8>>,
+    utf8: bool,
+) -> Result<RawCommand> {
+    // AND mode renders as a single `when` joined by ` && `. OR mode is one `when` per group.
+    let groups: Vec<&str> = if is_and {
+        conds
+            .first()
+            .map(|c| c.split(" && ").collect())
+            .unwrap_or_default()
+    } else {
+        conds.to_vec()
+    };
+    let n = groups.len() as u32;
+    let header = n | if is_and { 0x10 } else { 0 };
+
+    let is_string = groups.iter().any(|g| split_strcmp(g).is_some());
+    let mut c = if is_string {
+        let mut lhs = Vec::new();
+        let mut rhs = Vec::new();
+        let mut strs: Vec<WStr> = vec![WStr(vec![0]); 4]; // group-indexed literal slots
+        for (g, group) in groups.iter().enumerate() {
+            let (l, ty, r) = split_strcmp(group)
+                .ok_or_else(|| Error::invalid(format!("bad string condition: {group:?}")))?;
+            let l_op = operand(l.trim()).map_err(Error::invalid)?;
+            let cmp_bits = ty << 28; // comparison type in the high nibble
+            let r = r.trim();
+            if r.starts_with('"') || r.starts_with("x\"") {
+                lhs.push(l_op | cmp_bits);
+                // The engine stores exactly 4 group-indexed literal slots. Guard the index so a
+                // malformed condition with more than 4 string groups errors instead of panicking.
+                if g >= strs.len() {
+                    return Err(Error::invalid(format!(
+                        "string condition has too many string groups ({})",
+                        groups.len()
+                    )));
+                }
+                strs[g] = parse_str(r, utf8).map_err(Error::invalid)?;
+            } else {
+                lhs.push(l_op | STRCOND_OPERAND_FLAG | cmp_bits);
+                rhs.push(operand(r).map_err(Error::invalid)?);
+            }
+        }
+        let mut ints = vec![header];
+        ints.extend(lhs);
+        ints.extend(rhs);
+        cmd(112, ints, indent, strs)
+    } else {
+        let mut args = vec![header];
+        for g in groups {
+            let (left, right, op) = parse_compare(g).map_err(Error::invalid)?;
+            args.push(left);
+            args.push(right);
+            args.push(op);
+        }
+        cmd(111, args, indent, vec![])
+    };
+    c.v35_blob = blob;
+    Ok(c)
+}
+
+pub fn build_loop(line: &str, indent: u8) -> Result<RawCommand> {
+    let (line, blob) = split_blob_suffix(line);
+    let mut c = if line == "loop {" {
+        cmd(170, vec![], indent, vec![])
+    } else if let Some(inner) = line
+        .strip_prefix("loop ")
+        .and_then(|s| s.strip_suffix(" times {"))
+    {
+        let n = operand(inner.trim()).map_err(Error::invalid)?;
+        cmd(179, vec![n], indent, vec![])
+    } else {
+        return Err(Error::invalid(format!("bad loop opener: {line:?}")));
+    };
+    c.v35_blob = blob;
+    Ok(c)
+}
+
+pub fn build_choices(line: &str, indent: u8, utf8: bool) -> Result<RawCommand> {
+    // choose <arg0> ["a", "b"] {
+    let (line, blob) = split_blob_suffix(line);
+    let rest = line
+        .strip_prefix("choose ")
+        .and_then(|s| s.strip_suffix(" {"))
+        .ok_or_else(|| Error::invalid(format!("bad choose opener: {line:?}")))?;
+    let (arg0_s, opts) = rest
+        .split_once(" [")
+        .ok_or_else(|| Error::invalid(format!("bad choose opener: {line:?}")))?;
+    let arg0 = arg0_s
+        .trim()
+        .parse::<u32>()
+        .map_err(|_| Error::invalid(format!("bad choose arg0: {arg0_s:?}")))?;
+    let inner = opts
+        .strip_suffix(']')
+        .ok_or_else(|| Error::invalid(format!("bad choose options: {opts:?}")))?;
+    let strs = parse_str_list(inner, utf8).map_err(Error::invalid)?;
+    let mut c = cmd(102, vec![arg0], indent, strs);
+    c.v35_blob = blob;
+    Ok(c)
+}
+
+// --- operand / operator parsing -------------------------------------------------------
+
+fn operand(s: &str) -> std::result::Result<u32, String> {
+    let s = s.trim();
+    // `Self*[n]` must be tried before `Self[n]` because of the prefix overlap.
+    if let Some(n) = bracketed(s, "Self*") {
+        return Ok(1_000_000 + n);
+    }
+    if let Some(n) = bracketed(s, "Self") {
+        return Ok(1_100_000 + n);
+    }
+    if let Some(n) = bracketed(s, "CSelf") {
+        return Ok(1_600_000 + n);
+    }
+    if let Some(n) = bracketed(s, "V") {
+        return Ok(2_000_000 + n);
+    }
+    if let Some(n) = bracketed(s, "S") {
+        return Ok(3_000_000 + n);
+    }
+    if let Some(n) = bracketed(s, "Sys") {
+        return Ok(9_000_000 + n);
+    }
+    if let Some(n) = bracketed(s, "Rand") {
+        return Ok(8_000_000 + n);
+    }
+    // On-map character data: `Chara[m].Field` (9.1M) or `Chara2[m].Field` (9.18M).
+    if let Some(v) = parse_chara(s, "Chara2", 9_180_000) {
+        return Ok(v);
+    }
+    if let Some(v) = parse_chara(s, "Chara", 9_100_000) {
+        return Ok(v);
+    }
+    // This-event intrinsic data: `ThisEv.Field` or `ThisEv[k]`.
+    if let Some(v) = parse_this_event(s) {
+        return Ok(v);
+    }
+    // Bare literal, optionally followed by an edit-form ` "label"` annotation. The leading
+    // numeric token is the authority.
+    let head = s.split_once(" \"").map(|(h, _)| h).unwrap_or(s);
+    head.trim()
+        .parse::<i64>()
+        .map(|v| v as u32)
+        .map_err(|_| format!("bad operand: {s:?}"))
+}
+
+/// Split a line on whitespace at the top level only. Whitespace inside `[]`/`()` brackets or
+/// `"…"` quotes is kept, so an annotated operand like `V[3 "Gold · ゴールド"]` stays one token.
+pub(crate) fn split_top(s: &str) -> Vec<String> {
+    let mut out = Vec::new();
+    let mut cur = String::new();
+    let mut depth = 0i32;
+    let mut in_str = false;
+    for ch in s.chars() {
+        match ch {
+            '"' => {
+                in_str = !in_str;
+                cur.push(ch);
+            }
+            '[' | '(' if !in_str => {
+                depth += 1;
+                cur.push(ch);
+            }
+            ']' | ')' if !in_str => {
+                depth -= 1;
+                cur.push(ch);
+            }
+            c if c.is_whitespace() && !in_str && depth == 0 => {
+                if !cur.is_empty() {
+                    out.push(std::mem::take(&mut cur));
+                }
+            }
+            c => cur.push(c),
+        }
+    }
+    if !cur.is_empty() {
+        out.push(cur);
+    }
+    out
+}
+
+/// Parse a character-data reference `prefix[member].Field` back to its operand id.
+fn parse_chara(s: &str, prefix: &str, base: u32) -> Option<u32> {
+    let rest = s.strip_prefix(prefix)?.strip_prefix('[')?;
+    let (member_s, tail) = rest.split_once(']')?;
+    let member: u32 = member_s.parse().ok()?;
+    let field = tail.strip_prefix('.')?;
+    let f = crate::wolfscript::ops::chara_field_index(field)
+        .or_else(|| field.strip_prefix('f').and_then(|d| d.parse().ok()))?;
+    Some(base + member * 10 + f)
+}
+
+/// Parse a this-event reference `ThisEv.Field` or `ThisEv[k]` back to its operand id.
+fn parse_this_event(s: &str) -> Option<u32> {
+    let rest = s.strip_prefix("ThisEv")?;
+    if let Some(field) = rest.strip_prefix('.') {
+        return crate::wolfscript::ops::chara_field_index(field).map(|f| 1_000_000 + f);
+    }
+    let inner = rest.strip_prefix('[')?.strip_suffix(']')?;
+    inner.parse::<u32>().ok().map(|k| 1_000_000 + k)
+}
+
+fn bracketed(s: &str, sigil: &str) -> Option<u32> {
+    let inner = s
+        .strip_prefix(sigil)?
+        .strip_prefix('[')?
+        .strip_suffix(']')?;
+    // The edit form anchors on the index and may carry a ` "label"` annotation inside the
+    // brackets, as in `V[3 "Gold · ゴールド"]`. Take the leading numeric token, ignore the rest.
+    let head = inner.split_once(' ').map(|(h, _)| h).unwrap_or(inner);
+    head.trim().parse().ok()
+}
+
+fn parse_compare(s: &str) -> std::result::Result<(u32, u32, u32), String> {
+    // Longest symbols first so `<=` and `>=` win over `<` and `>`. Each symbol can carry a
+    // `~<flags>` high-nibble suffix, the per-term flag, so `==~1` becomes op 0x12.
+    for (sym, code) in [
+        ("<=", 0u32),
+        (">=", 1),
+        ("==", 2),
+        ("!=", 3),
+        ("<", 4),
+        (">", 5),
+        ("&", 6),
+    ] {
+        // Flagged form: ` sym~<flags> `.
+        if let Some((l, rest)) = s.split_once(&format!(" {sym}~")) {
+            if let Some((flags_s, r)) = rest.split_once(' ') {
+                if let Ok(flags) = flags_s.parse::<u32>() {
+                    return Ok((operand(l.trim())?, operand(r.trim())?, code | (flags << 4)));
+                }
+            }
+        }
+        if let Some((l, r)) = s.split_once(&format!(" {sym} ")) {
+            return Ok((operand(l.trim())?, operand(r.trim())?, code));
+        }
+    }
+    // Unknown compare op rendered as ` cmp<N> ` (reversible for any byte value).
+    if let Some((l, rest)) = s.split_once(" cmp") {
+        if let Some((num, r)) = rest.split_once(' ') {
+            if let Ok(op) = num.parse::<u32>() {
+                return Ok((operand(l.trim())?, operand(r.trim())?, op));
+            }
+        }
+    }
+    Err(format!("bad condition: {s:?}"))
+}
+
+fn modify_nibble(s: &str) -> std::result::Result<u32, String> {
+    Ok(match s {
+        "=" => 0,
+        "+=" => 1,
+        "-=" => 2,
+        "*=" => 3,
+        "/=" => 4,
+        "%=" => 5,
+        _ => return Err(format!("bad modify op: {s:?}")),
+    })
+}
+
+fn binop_nibble(s: &str) -> std::result::Result<u32, String> {
+    Ok(match s {
+        "+" => 0,
+        "-" => 1,
+        "*" => 2,
+        "%" => 3,
+        "~" => 4,
+        "&" => 6,
+        "|" => 7,
+        "^" => 8,
+        "<<" => 9,
+        _ => return Err(format!("bad binop: {s:?}")),
+    })
+}
+
+// --- string parsing -------------------------------------------------------------------
+
+/// Encode (already-quoted-stripped) literal text into a Wolf string in the file's encoding.
+fn wstr(s: &str, utf8: bool) -> std::result::Result<WStr, String> {
+    text_to_wstr(&unescape(s), utf8)
+}
+
+/// Parse exactly one string literal (`"text"` or `x"HEX"`).
+fn parse_str(s: &str, utf8: bool) -> std::result::Result<WStr, String> {
+    let s = s.trim();
+    let mut chars = s.chars().peekable();
+    let w = read_one_literal(&mut chars, s, utf8)?
+        .ok_or_else(|| format!("expected string literal: {s:?}"))?;
+    if chars.next().is_some() {
+        return Err(format!("trailing content after string literal: {s:?}"));
+    }
+    Ok(w)
+}
+
+fn parse_str_list(s: &str, utf8: bool) -> std::result::Result<Vec<WStr>, String> {
+    parse_quoted_seq(s, utf8)
+}
+
+fn unescape(s: &str) -> String {
+    let mut out = String::new();
+    let mut chars = s.chars();
+    while let Some(c) = chars.next() {
+        if c != '\\' {
+            out.push(c);
+            continue;
+        }
+        match chars.next() {
+            Some('n') => out.push('\n'),
+            Some('r') => out.push('\r'),
+            Some('t') => out.push('\t'),
+            Some('"') => out.push('"'),
+            Some('\\') => out.push('\\'),
+            Some(other) => {
+                out.push('\\');
+                out.push(other);
+            }
+            None => out.push('\\'),
+        }
+    }
+    out
+}
diff --git a/util/wolfdawn-master/crates/wolf-decompiler/src/compile/lex.rs b/util/wolfdawn-master/crates/wolf-decompiler/src/compile/lex.rs
new file mode 100644
index 0000000..f5f38a6
--- /dev/null
+++ b/util/wolfdawn-master/crates/wolf-decompiler/src/compile/lex.rs
@@ -0,0 +1,33 @@
+//! Line lexer: trimmed, non-empty lines with their source line numbers. The decompiler indents
+//! by depth, but the parser reconstructs `indent` from block nesting, so leading whitespace is
+//! discarded here.
+
+pub struct Line {
+    pub no: u32,
+    pub text: String,
+}
+
+impl std::fmt::Debug for Line {
+    fn fmt(&self, f: &mut std::fmt::Formatter<'_>) -> std::fmt::Result {
+        write!(f, "{}:{:?}", self.no, self.text)
+    }
+}
+
+pub fn lines(text: &str) -> Vec<Line> {
+    text.lines()
+        .enumerate()
+        .filter_map(|(i, raw)| {
+            // Trim only the leading whitespace (the indent). Trailing spaces are significant
+            // inside, for example, comment text.
+            let t = raw.trim_start();
+            if t.is_empty() {
+                None
+            } else {
+                Some(Line {
+                    no: (i + 1) as u32,
+                    text: t.to_string(),
+                })
+            }
+        })
+        .collect()
+}
diff --git a/util/wolfdawn-master/crates/wolf-decompiler/src/compile/mod.rs b/util/wolfdawn-master/crates/wolf-decompiler/src/compile/mod.rs
new file mode 100644
index 0000000..159f5ad
--- /dev/null
+++ b/util/wolfdawn-master/crates/wolf-decompiler/src/compile/mod.rs
@@ -0,0 +1,301 @@
+//! The recompiler: parse WolfScript text back into the byte-faithful `RawCommand` stream.
+//!
+//! This is the inverse of [`crate::wolfscript`]. It reconstructs exactly what the decompiler
+//! dropped for readability:
+//!   * Marker commands. `branch`/`when`/`else`/`}` become VariableCondition/ChoiceCase/
+//!     ElseCase/BranchEnd. `loop`/`}` become StartLoop/LoopEnd. `choose`/`case`/`}` become
+//!     Choices/ChoiceCase/CancelCase/BranchEnd.
+//!   * Indent bytes, reconstructed from block nesting depth (Wolf's indent equals depth).
+//!   * Suppressed `Blank` slots. The editor keeps one trailing empty command at the end of every
+//!     block body, re-inserted on compile.
+//!
+//! Correctness is driven by the round-trip gate `parse(decompile(cmds)) == cmds`. Operands are
+//! parsed in their numeric form here (`Self[n]`, `V[n]`, `CSelf[n]`, literal). Name resolution
+//! (the reverse glossary/symbol lookup) layers on top.
+
+pub(crate) mod cmd;
+mod lex;
+
+use wolf_formats::command::RawCommand;
+use wolf_formats::{Error, Result};
+
+use lex::Line;
+
+/// Parse a WolfScript command program (numeric operand forms) into a `RawCommand` stream.
+/// Strings are encoded as UTF-8. Use [`compile_commands_enc`] for Shift-JIS files.
+pub fn compile_commands(text: &str) -> Result<Vec<RawCommand>> {
+    compile_commands_enc(text, true)
+}
+
+/// Parse a WolfScript command program, encoding string literals in the file's encoding (`utf8`).
+/// The exact inverse of [`crate::wolfscript::decompile_commands_enc`].
+pub fn compile_commands_enc(text: &str, utf8: bool) -> Result<Vec<RawCommand>> {
+    let lines = lex::lines(text);
+
+    // A leading `@v35` directive marks a Wolf Pro v3.5 program: every command carries a trailing
+    // blob, empty unless an `@raw v:` form supplies one. Strip the directive, parse normally, then
+    // default every command's blob to empty.
+    let v35 = lines.first().map(|l| l.text == "@v35").unwrap_or(false);
+    let body = if v35 { &lines[1..] } else { &lines[..] };
+
+    let mut p = Parser {
+        lines: body,
+        pos: 0,
+        utf8,
+    };
+    let mut out = Vec::new();
+    p.block_body(0, &mut out)?;
+    if p.pos != p.lines.len() {
+        return Err(Error::invalid(format!(
+            "trailing content at line {}: {:?}",
+            p.lines[p.pos].no, p.lines[p.pos].text
+        )));
+    }
+
+    if v35 {
+        for c in &mut out {
+            if c.v35_blob.is_none() {
+                c.v35_blob = Some(Vec::new());
+            }
+        }
+    }
+    Ok(out)
+}
+
+struct Parser<'a> {
+    lines: &'a [Line],
+    pos: usize,
+    utf8: bool,
+}
+
+impl<'a> Parser<'a> {
+    fn peek(&self) -> Option<&'a Line> {
+        self.lines.get(self.pos)
+    }
+
+    /// Parse the statements of one block body at `depth`, appending commands plus a trailing
+    /// Blank to `out`. Stops at a line that closes or continues the parent block (`}`, `} when`,
+    /// `} else`, `} case`, `} cancel`) without consuming it.
+    fn block_body(&mut self, depth: u8, out: &mut Vec<RawCommand>) -> Result<()> {
+        loop {
+            let Some(line) = self.peek() else { break };
+            let t = line.text.as_str();
+            if t == "}" || t.starts_with("} ") {
+                break;
+            }
+            self.statement(depth, out)?;
+        }
+        // Wolf keeps one empty trailing command at the end of every block body.
+        out.push(blank(depth));
+        Ok(())
+    }
+
+    fn statement(&mut self, depth: u8, out: &mut Vec<RawCommand>) -> Result<()> {
+        let line = self.peek().unwrap();
+        let t = line.text.clone();
+        let no = line.no;
+
+        // A block opener may carry an inline ` @b:HEX` blob suffix (rare, v3.5 only).
+        let (head, opener_blob) = cmd::split_blob_suffix(&t);
+        if head == "branch {" {
+            self.pos += 1;
+            return self.conditional(depth, out, no, false, opener_blob);
+        }
+        if head == "branch all {" {
+            self.pos += 1;
+            return self.conditional(depth, out, no, true, opener_blob);
+        }
+        if head == "loop {" || head.starts_with("loop ") && head.ends_with("times {") {
+            return self.loop_block(depth, out);
+        }
+        if head.starts_with("choose ") && head.ends_with('{') {
+            return self.choose_block(depth, out);
+        }
+
+        // A leaf command.
+        let cmd = cmd::parse_leaf(&t, depth, self.utf8)
+            .map_err(|e| Error::invalid(format!("line {no}: {e}")))?;
+        self.pos += 1;
+        out.push(cmd);
+        Ok(())
+    }
+
+    /// `branch { } when (cond) { … } else { … }` becomes a VariableCondition/StringCondition
+    /// opener plus ChoiceCase/ElseCase markers plus BranchEnd.
+    fn conditional(
+        &mut self,
+        depth: u8,
+        out: &mut Vec<RawCommand>,
+        open_no: u32,
+        is_and: bool,
+        blob: Option<Vec<u8>>,
+    ) -> Result<()> {
+        let mut whens: Vec<(String, Vec<RawCommand>)> = Vec::new();
+        let mut else_body: Option<Vec<RawCommand>> = None;
+
+        loop {
+            let Some(line) = self.peek() else {
+                return Err(Error::invalid(format!(
+                    "line {open_no}: unterminated branch"
+                )));
+            };
+            let t = line.text.clone();
+            if t == "}" {
+                self.pos += 1;
+                break;
+            } else if let Some(rest) = t
+                .strip_prefix("} when (")
+                .and_then(|s| s.strip_suffix(") {"))
+            {
+                self.pos += 1;
+                let mut body = Vec::new();
+                self.block_body(depth + 1, &mut body)?;
+                whens.push((rest.to_string(), body));
+            } else if t == "} else {" {
+                self.pos += 1;
+                let mut body = Vec::new();
+                self.block_body(depth + 1, &mut body)?;
+                else_body = Some(body);
+            } else {
+                return Err(Error::invalid(format!(
+                    "line {}: unexpected in branch: {t:?}",
+                    line.no
+                )));
+            }
+        }
+
+        let opener = cmd::build_condition(
+            &whens.iter().map(|(c, _)| c.as_str()).collect::<Vec<_>>(),
+            is_and,
+            depth,
+            blob,
+            self.utf8,
+        )?;
+        out.push(opener);
+        for (i, (_, body)) in whens.into_iter().enumerate() {
+            out.push(choice_case((i + 1) as u32, depth));
+            out.extend(body);
+        }
+        if let Some(body) = else_body {
+            out.push(cmd_with(420, vec![0], depth)); // ElseCase (arg0 = 0)
+            out.extend(body);
+        }
+        out.push(marker(499, depth)); // BranchEnd
+        Ok(())
+    }
+
+    fn loop_block(&mut self, depth: u8, out: &mut Vec<RawCommand>) -> Result<()> {
+        let line = self.peek().unwrap().text.clone();
+        self.pos += 1;
+        let opener = cmd::build_loop(&line, depth)?;
+        out.push(opener);
+        let mut body = Vec::new();
+        self.block_body(depth + 1, &mut body)?;
+        out.extend(body);
+        // consume the closing `}`
+        self.expect_close()?;
+        out.push(marker(498, depth)); // LoopEnd
+        Ok(())
+    }
+
+    fn choose_block(&mut self, depth: u8, out: &mut Vec<RawCommand>) -> Result<()> {
+        let line = self.peek().unwrap().text.clone();
+        self.pos += 1;
+        let opener = cmd::build_choices(&line, depth, self.utf8)?;
+        out.push(opener);
+
+        loop {
+            let Some(l) = self.peek() else {
+                return Err(Error::invalid("unterminated choose".to_string()));
+            };
+            let t = l.text.clone();
+            if t == "}" {
+                self.pos += 1;
+                break;
+            }
+            // `} case <arg0> {`, the special `} case* <arg0> {`, or `} cancel {`.
+            let (cid, arg0) = if let Some(a) = t.strip_prefix("} case* ") {
+                (402, parse_case_arg(a)?)
+            } else if let Some(a) = t.strip_prefix("} case ") {
+                (401, parse_case_arg(a)?)
+            } else if t == "} cancel {" {
+                (421, 0)
+            } else {
+                return Err(Error::invalid(format!("unexpected in choose: {t:?}")));
+            };
+            self.pos += 1;
+            out.push(cmd_with(cid, vec![arg0], depth));
+            let mut body = Vec::new();
+            self.block_body(depth + 1, &mut body)?;
+            out.extend(body);
+        }
+        out.push(marker(499, depth)); // BranchEnd
+        Ok(())
+    }
+
+    fn expect_close(&mut self) -> Result<()> {
+        match self.peek() {
+            Some(l) if l.text == "}" => {
+                self.pos += 1;
+                Ok(())
+            }
+            other => Err(Error::invalid(format!("expected `}}`, got {other:?}"))),
+        }
+    }
+}
+
+fn blank(indent: u8) -> RawCommand {
+    RawCommand {
+        cid: 0,
+        int_args: Vec::new(),
+        indent,
+        str_args: Vec::new(),
+        term: 0,
+        move_route: None,
+        v35_blob: None,
+    }
+}
+
+fn marker(cid: u32, indent: u8) -> RawCommand {
+    RawCommand {
+        cid,
+        int_args: Vec::new(),
+        indent,
+        str_args: Vec::new(),
+        term: 0,
+        move_route: None,
+        v35_blob: None,
+    }
+}
+
+fn cmd_with(cid: u32, ints: Vec<u32>, indent: u8) -> RawCommand {
+    RawCommand {
+        cid,
+        int_args: ints,
+        indent,
+        str_args: Vec::new(),
+        term: 0,
+        move_route: None,
+        v35_blob: None,
+    }
+}
+
+/// Extract the leading case index from `<n> {` or `<n> {  # label`.
+fn parse_case_arg(a: &str) -> Result<u32> {
+    a.split_whitespace()
+        .next()
+        .and_then(|s| s.parse().ok())
+        .ok_or_else(|| Error::invalid(format!("bad case arg: {a:?}")))
+}
+
+fn choice_case(idx: u32, indent: u8) -> RawCommand {
+    RawCommand {
+        cid: 401,
+        int_args: vec![idx],
+        indent,
+        str_args: Vec::new(),
+        term: 0,
+        move_route: None,
+        v35_blob: None,
+    }
+}
diff --git a/util/wolfdawn-master/crates/wolf-decompiler/src/db_edit.rs b/util/wolfdawn-master/crates/wolf-decompiler/src/db_edit.rs
new file mode 100644
index 0000000..95244ae
--- /dev/null
+++ b/util/wolfdawn-master/crates/wolf-decompiler/src/db_edit.rs
@@ -0,0 +1,127 @@
+//! Apply edits from a [`database_to_json`](crate::database_to_json) export back onto a
+//! [`Database`], byte-exact. Only values (cell ints and strings) and row names are editable. The
+//! schema (types, fields, kinds, counts, structure) is fixed and any change to it is rejected.
+//! Unchanged cells are never re-encoded, so untouched rows re-serialize byte-identical via
+//! [`Database::write`](wolf_formats::database::Database::write). Only the cells you actually
+//! changed differ.
+
+use std::collections::HashMap;
+
+use serde_json::Value;
+use wolf_formats::database::Database;
+
+use crate::json::value_slots;
+use crate::text::{decode_wstr, text_to_wstr};
+
+/// Apply the edited JSON onto `db` in place. Returns the number of changed cells and names.
+/// Errors on any schema or structure mismatch, an out-of-range id, an ambiguous field name, or a
+/// value that cannot be encoded in the database's text encoding. On error, any edits committed
+/// before the failure point remain applied.
+pub fn apply_database_edit(json: &str, db: &mut Database) -> Result<usize, String> {
+    let root: Value = serde_json::from_str(json).map_err(|e| format!("invalid JSON: {e}"))?;
+    let utf8 = db.utf8;
+    let types = root
+        .get("types")
+        .and_then(Value::as_array)
+        .ok_or("edited JSON has no `types` array")?;
+
+    let type_count = db.types.len();
+    let mut changed = 0usize;
+    for tj in types {
+        let ti = json_id(tj, "type")?;
+        let dt = db
+            .types
+            .get_mut(ti)
+            .ok_or_else(|| format!("type id {ti} is out of range (base has {type_count} types)"))?;
+
+        // Schema-integrity guard, only when the doc carries a `fields` array (a full export).
+        // Edits are patch-style: a `rows` array may include just the rows you touched. Others are
+        // left as-is, never deleted, and an out-of-range row id is rejected below.
+        if let Some(fields) = tj.get("fields").and_then(Value::as_array) {
+            if fields.len() != dt.fields.len() {
+                return Err(format!(
+                    "type {ti}: field count changed ({} edited vs {} base) - schema edits are not allowed",
+                    fields.len(),
+                    dt.fields.len()
+                ));
+            }
+        }
+
+        // Map each value key to (is_string, value-slot index), derived identically to the JSON
+        // export (unique field name, else `#<fieldId>`), so the keys always match.
+        let fields_size = (dt.dat_fields_size as usize).min(dt.fields.len());
+        let by_key: HashMap<String, (bool, usize)> = value_slots(dt, fields_size, utf8)
+            .into_iter()
+            .map(|(k, is_str, slot)| (k, (is_str, slot)))
+            .collect();
+
+        let Some(rows) = tj.get("rows").and_then(Value::as_array) else {
+            continue;
+        };
+        for rj in rows {
+            let ri = json_id(rj, "row")?;
+            let row = dt
+                .data
+                .get_mut(ri)
+                .ok_or_else(|| format!("type {ti}: row id {ri} is out of range"))?;
+
+            // Row display name lives in the .project half.
+            if let Some(nm) = rj.get("name").and_then(Value::as_str) {
+                if decode_wstr(&row.name, utf8) != nm {
+                    row.name = text_to_wstr(nm, utf8)
+                        .map_err(|e| format!("type {ti} row {ri} name: {e}"))?;
+                    changed += 1;
+                }
+            }
+
+            let Some(values) = rj.get("values").and_then(Value::as_object) else {
+                continue;
+            };
+            for (key, val) in values {
+                let &(is_str, slot) = by_key.get(key).ok_or_else(|| {
+                    format!("type {ti} row {ri}: unknown/schema-only field {key:?}")
+                })?;
+                if is_str {
+                    let new = val.as_str().ok_or_else(|| {
+                        format!("type {ti} row {ri} field {key:?}: expected a string")
+                    })?;
+                    let cur = row
+                        .string_values
+                        .get(slot)
+                        .map(|w| decode_wstr(w, utf8))
+                        .unwrap_or_default();
+                    // Skip unchanged cells to preserve the original bytes exactly. This avoids the
+                    // empty-string and trailing-NUL re-encode ambiguity.
+                    if cur != new {
+                        let w = text_to_wstr(new, utf8)
+                            .map_err(|e| format!("type {ti} row {ri} field {key:?}: {e}"))?;
+                        *row.string_values.get_mut(slot).ok_or_else(|| {
+                            format!("type {ti} row {ri} field {key:?}: value slot missing")
+                        })? = w;
+                        changed += 1;
+                    }
+                } else {
+                    let new = val.as_i64().ok_or_else(|| {
+                        format!("type {ti} row {ri} field {key:?}: expected a number")
+                    })?;
+                    let nv = new as u32;
+                    let cell = row.int_values.get_mut(slot).ok_or_else(|| {
+                        format!("type {ti} row {ri} field {key:?}: value slot missing")
+                    })?;
+                    if *cell != nv {
+                        *cell = nv;
+                        changed += 1;
+                    }
+                }
+            }
+        }
+    }
+    Ok(changed)
+}
+
+fn json_id(v: &Value, what: &str) -> Result<usize, String> {
+    v.get("id")
+        .and_then(Value::as_u64)
+        .map(|n| n as usize)
+        .ok_or_else(|| format!("{what} entry is missing its numeric `id`"))
+}
diff --git a/util/wolfdawn-master/crates/wolf-decompiler/src/document.rs b/util/wolfdawn-master/crates/wolf-decompiler/src/document.rs
new file mode 100644
index 0000000..33c3882
--- /dev/null
+++ b/util/wolfdawn-master/crates/wolf-decompiler/src/document.rs
@@ -0,0 +1,391 @@
+//! Whole-file recompile: the document envelope around per-event/page command bodies.
+//!
+//! [`crate::wolfscript`] renders one command list and [`crate::compile`] parses it back.
+//! This layer wraps those so an entire file round-trips. Each event (and map page) is emitted
+//! under an identity header (`@commonevent <id>`, or `@event <id>` plus `@page <n>`), its body
+//! produced by the gated numeric renderer [`decompile_commands`]. That renderer is `@raw`-free on
+//! the corpus, so the document stays readable yet fully recompilable.
+//!
+//! Recompile is patch-style. The original file supplies every opaque metadata field (event names,
+//! page graphics and conditions, the CommonEvent `unknown1..12` tail). Only each command body is
+//! swapped back in, keyed by identity. Files whose code is untouched re-emit byte-for-byte. Edited
+//! bodies recompile in place. This sidesteps round-tripping the large metadata through text and is
+//! the real edit-to-play mod loop.
+
+use std::collections::BTreeMap;
+
+use wolf_formats::common_event::CommonEventsFile;
+use wolf_formats::map::Map;
+use wolf_formats::{Error, Result};
+
+use crate::compile::compile_commands_enc;
+use crate::symbols::SymbolTable;
+use crate::text::decode_wstr;
+use crate::wolfscript::{decompile_commands_annotated, decompile_commands_enc};
+
+const CE_HEADER: &str = "# wolf-edit common-events";
+const MAP_HEADER: &str = "# wolf-edit map";
+
+// ----------------------------------------------------------------------------
+// CommonEvents
+// ----------------------------------------------------------------------------
+
+/// Render a CommonEvent file as a recompilable edit document: one `@commonevent <id> ... @end`
+/// block per event, body in the gated numeric form. Metadata is not emitted. It is taken from the
+/// base file at compile time.
+pub fn decompile_common_events_edit(ce: &CommonEventsFile) -> String {
+    let mut out = format!("{CE_HEADER}  (count={})\n\n", ce.events.len());
+    for ev in &ce.events {
+        let name = decode_wstr(&ev.name, ce.utf8);
+        out.push_str(&format!("@commonevent {}", ev.int_id));
+        if !name.is_empty() {
+            out.push_str(&format!("  # {}", name.replace('\n', " ")));
+        }
+        out.push('\n');
+        let body = decompile_commands_enc(&ev.commands, ce.utf8);
+        out.push_str(&body);
+        if !body.ends_with('\n') {
+            out.push('\n');
+        }
+        out.push_str("@end\n\n");
+    }
+    out
+}
+
+/// Like [`decompile_common_events_edit`] but in annotate mode. Each command body uses the unified
+/// read-plus-edit form (index-anchored bilingual names, `V[3 "Gold · ゴールド"]`), resolved via
+/// `symbols`. Recompiles byte-exact through the same [`compile_common_events_edit`], since the
+/// parser strips the labels. Names are read-only decoration the recompiler ignores.
+pub fn decompile_common_events_edit_annotated(
+    ce: &CommonEventsFile,
+    symbols: &SymbolTable,
+) -> String {
+    let mut out = format!("{CE_HEADER}  (count={})\n\n", ce.events.len());
+    for ev in &ce.events {
+        let name = decode_wstr(&ev.name, ce.utf8);
+        out.push_str(&format!("@commonevent {}", ev.int_id));
+        if !name.is_empty() {
+            out.push_str(&format!("  # {}", name.replace('\n', " ")));
+        }
+        out.push('\n');
+        let body = decompile_commands_annotated(&ev.commands, ce.utf8, symbols, Some(ev.int_id));
+        out.push_str(&body);
+        if !body.ends_with('\n') {
+            out.push('\n');
+        }
+        out.push_str("@end\n\n");
+    }
+    out
+}
+
+/// Parse an edit document and substitute each event's command body back into `base`, keyed by
+/// `int_id`. Events absent from the document keep their original commands, so partial patches are
+/// allowed. An `@commonevent` id with no match in `base` is an error.
+pub fn compile_common_events_edit(text: &str, base: &mut CommonEventsFile) -> Result<()> {
+    let blocks = parse_blocks(text, "commonevent")?;
+    let mut by_id: BTreeMap<u32, usize> = BTreeMap::new();
+    for (i, ev) in base.events.iter().enumerate() {
+        if by_id.insert(ev.int_id, i).is_some() {
+            return Err(Error::invalid(format!(
+                "base has duplicate common-event id {}; cannot patch by id unambiguously",
+                ev.int_id
+            )));
+        }
+    }
+    for blk in blocks {
+        let &idx = by_id.get(&blk.id).ok_or_else(|| {
+            Error::invalid(format!(
+                "@commonevent {} (line {}) has no match in the base file",
+                blk.id, blk.line
+            ))
+        })?;
+        let cmds = compile_commands_enc(&blk.body, base.utf8)
+            .map_err(|e| Error::invalid(format!("@commonevent {}: {e}", blk.id)))?;
+        base.events[idx].commands = cmds;
+    }
+    Ok(())
+}
+
+// ----------------------------------------------------------------------------
+// Maps
+// ----------------------------------------------------------------------------
+
+/// Render a Map as a recompilable edit document: `@event <id>` then one `@page <n> ... @endpage`
+/// per page, each body in the gated numeric form. Coordinates and name are a comment for the
+/// reader. Truth comes from the base file at compile time.
+pub fn decompile_map_edit(map: &Map) -> String {
+    let mut out = format!(
+        "{MAP_HEADER}  (version=0x{:x}  {}x{}  events={})\n\n",
+        map.version,
+        map.width,
+        map.height,
+        map.events.len()
+    );
+    for ev in &map.events {
+        let name = decode_wstr(&ev.name, map.utf8);
+        out.push_str(&format!("@event {}", ev.id));
+        if !name.is_empty() {
+            out.push_str(&format!(
+                "  # {} @({},{})",
+                name.replace('\n', " "),
+                ev.x,
+                ev.y
+            ));
+        }
+        out.push('\n');
+        for (pi, page) in ev.pages.iter().enumerate() {
+            out.push_str(&format!("@page {pi}\n"));
+            let body = decompile_commands_enc(&page.commands, map.utf8);
+            out.push_str(&body);
+            if !body.ends_with('\n') {
+                out.push('\n');
+            }
+            out.push_str("@endpage\n");
+        }
+        out.push_str("@endevent\n\n");
+    }
+    out
+}
+
+/// Like [`decompile_map_edit`] but in annotate mode (index-anchored bilingual names), resolved
+/// via `symbols`. Recompiles byte-exact through [`compile_map_edit`].
+pub fn decompile_map_edit_annotated(map: &Map, symbols: &SymbolTable) -> String {
+    let mut out = format!(
+        "{MAP_HEADER}  (version=0x{:x}  {}x{}  events={})\n\n",
+        map.version,
+        map.width,
+        map.height,
+        map.events.len()
+    );
+    for ev in &map.events {
+        let name = decode_wstr(&ev.name, map.utf8);
+        out.push_str(&format!("@event {}", ev.id));
+        if !name.is_empty() {
+            out.push_str(&format!(
+                "  # {} @({},{})",
+                name.replace('\n', " "),
+                ev.x,
+                ev.y
+            ));
+        }
+        out.push('\n');
+        for (pi, page) in ev.pages.iter().enumerate() {
+            out.push_str(&format!("@page {pi}\n"));
+            let body = decompile_commands_annotated(&page.commands, map.utf8, symbols, None);
+            out.push_str(&body);
+            if !body.ends_with('\n') {
+                out.push('\n');
+            }
+            out.push_str("@endpage\n");
+        }
+        out.push_str("@endevent\n\n");
+    }
+    out
+}
+
+/// Parse a map edit document and substitute each page's command body back into `base`, keyed by
+/// event `id` plus page index. Pages absent from the document keep their commands.
+pub fn compile_map_edit(text: &str, base: &mut Map) -> Result<()> {
+    let events = parse_map_blocks(text)?;
+    let mut by_id: BTreeMap<u32, usize> = BTreeMap::new();
+    for (i, ev) in base.events.iter().enumerate() {
+        if by_id.insert(ev.id, i).is_some() {
+            return Err(Error::invalid(format!(
+                "base map has duplicate event id {}; cannot patch by id unambiguously",
+                ev.id
+            )));
+        }
+    }
+    for ev in events {
+        let &idx = by_id.get(&ev.id).ok_or_else(|| {
+            Error::invalid(format!(
+                "@event {} (line {}) has no match in the base map",
+                ev.id, ev.line
+            ))
+        })?;
+        for page in ev.pages {
+            let page_count = base.events[idx].pages.len();
+            let target = base.events[idx].pages.get_mut(page.index).ok_or_else(|| {
+                Error::invalid(format!(
+                    "@event {} @page {} out of range (map event has {page_count} pages)",
+                    ev.id, page.index,
+                ))
+            })?;
+            let cmds = compile_commands_enc(&page.body, base.utf8).map_err(|e| {
+                Error::invalid(format!("@event {} @page {}: {e}", ev.id, page.index))
+            })?;
+            target.commands = cmds;
+        }
+    }
+    Ok(())
+}
+
+// ----------------------------------------------------------------------------
+// Document parsing (delimiter-based, so command-body braces never confuse it)
+// ----------------------------------------------------------------------------
+
+struct Block {
+    id: u32,
+    line: u32,
+    body: String,
+}
+
+/// Parse `@<kind> <id> ...` and `@end` blocks. Lines outside a block must be blank or a `#`
+/// comment. The body between the header and `@end` is returned verbatim.
+fn parse_blocks(text: &str, kind: &str) -> Result<Vec<Block>> {
+    let opener = format!("@{kind} ");
+    let mut blocks = Vec::new();
+    let mut cur: Option<Block> = None;
+
+    for (i, raw) in text.lines().enumerate() {
+        let no = (i + 1) as u32;
+        let t = raw.trim();
+        match &mut cur {
+            None => {
+                if let Some(rest) = t.strip_prefix(&opener) {
+                    cur = Some(Block {
+                        id: parse_id(rest, no)?,
+                        line: no,
+                        body: String::new(),
+                    });
+                } else if t.is_empty() || t.starts_with('#') {
+                    // header, blank, or comment between blocks
+                } else {
+                    return Err(Error::invalid(format!(
+                        "line {no}: expected `{opener}...`, got {t:?}"
+                    )));
+                }
+            }
+            Some(b) => {
+                if t == "@end" {
+                    blocks.push(cur.take().unwrap());
+                } else {
+                    b.body.push_str(raw);
+                    b.body.push('\n');
+                }
+            }
+        }
+    }
+    if cur.is_some() {
+        return Err(Error::invalid("unterminated @-block (missing @end)"));
+    }
+    Ok(blocks)
+}
+
+struct MapEventBlock {
+    id: u32,
+    line: u32,
+    pages: Vec<MapPageBlock>,
+}
+
+struct MapPageBlock {
+    index: usize,
+    body: String,
+}
+
+/// Parse `@event <id>` / `@page <n>` / `@endpage` / `@endevent` nesting.
+fn parse_map_blocks(text: &str) -> Result<Vec<MapEventBlock>> {
+    let mut events: Vec<MapEventBlock> = Vec::new();
+    let mut page: Option<MapPageBlock> = None;
+
+    for (i, raw) in text.lines().enumerate() {
+        let no = (i + 1) as u32;
+        let t = raw.trim();
+
+        if let Some(p) = &mut page {
+            if t == "@endpage" {
+                let done = page.take().unwrap();
+                events
+                    .last_mut()
+                    .ok_or_else(|| Error::invalid(format!("line {no}: @endpage outside @event")))?
+                    .pages
+                    .push(done);
+            } else if t == "@endevent" || t.starts_with("@event ") || t.starts_with("@page ") {
+                // A structural keyword inside a page body means the page was never closed. Fail
+                // loudly rather than swallow the rest of the document into this page.
+                return Err(Error::invalid(format!(
+                    "line {no}: {t:?} inside a page body (missing @endpage?)"
+                )));
+            } else {
+                p.body.push_str(raw);
+                p.body.push('\n');
+            }
+            continue;
+        }
+
+        if let Some(rest) = t.strip_prefix("@event ") {
+            events.push(MapEventBlock {
+                id: parse_id(rest, no)?,
+                line: no,
+                pages: Vec::new(),
+            });
+        } else if let Some(rest) = t.strip_prefix("@page ") {
+            let index = parse_id(rest, no)? as usize;
+            if events.is_empty() {
+                return Err(Error::invalid(format!("line {no}: @page outside @event")));
+            }
+            page = Some(MapPageBlock {
+                index,
+                body: String::new(),
+            });
+        } else if t == "@endevent" || t.is_empty() || t.starts_with('#') {
+            // event terminator, header, blank, or comment
+        } else {
+            return Err(Error::invalid(format!(
+                "line {no}: unexpected outside a page body: {t:?}"
+            )));
+        }
+    }
+    if page.is_some() {
+        return Err(Error::invalid("unterminated @page (missing @endpage)"));
+    }
+    Ok(events)
+}
+
+/// Read the leading integer id from a header tail, such as `5` or `5  # name`.
+fn parse_id(rest: &str, no: u32) -> Result<u32> {
+    rest.split_whitespace()
+        .next()
+        .and_then(|s| s.parse().ok())
+        .ok_or_else(|| Error::invalid(format!("line {no}: missing/invalid id in {rest:?}")))
+}
+
+#[cfg(test)]
+mod tests {
+    use super::*;
+
+    #[test]
+    fn map_block_well_formed() {
+        let doc = "# wolf-edit map\n@event 3\n@page 0\nMessage \"hi\"\n@endpage\n@endevent\n";
+        let evs = parse_map_blocks(doc).expect("parse");
+        assert_eq!(evs.len(), 1);
+        assert_eq!(evs[0].id, 3);
+        assert_eq!(evs[0].pages.len(), 1);
+        assert_eq!(evs[0].pages[0].index, 0);
+    }
+
+    #[test]
+    fn missing_endpage_is_an_error_not_a_swallow() {
+        // The `@event 4` must not be swallowed into page 0's body.
+        let doc = "@event 3\n@page 0\nMessage \"hi\"\n@event 4\n@page 0\n@endpage\n@endevent\n";
+        assert!(
+            parse_map_blocks(doc).is_err(),
+            "missing @endpage must error"
+        );
+    }
+
+    #[test]
+    fn unterminated_page_at_eof_errors() {
+        let doc = "@event 3\n@page 0\nMessage \"hi\"\n";
+        assert!(parse_map_blocks(doc).is_err());
+    }
+
+    #[test]
+    fn ce_blocks_parse_and_reject_stray_lines() {
+        let blocks = parse_blocks("@commonevent 7\nMessage \"x\"\n@end\n", "commonevent").unwrap();
+        assert_eq!(blocks.len(), 1);
+        assert_eq!(blocks[0].id, 7);
+        // A non-`@commonevent` line between blocks is rejected.
+        assert!(parse_blocks("garbage\n@commonevent 1\n@end\n", "commonevent").is_err());
+    }
+}
diff --git a/util/wolfdawn-master/crates/wolf-decompiler/src/json.rs b/util/wolfdawn-master/crates/wolf-decompiler/src/json.rs
new file mode 100644
index 0000000..5626783
--- /dev/null
+++ b/util/wolfdawn-master/crates/wolf-decompiler/src/json.rs
@@ -0,0 +1,200 @@
+//! Human-readable JSON export of a [`Database`] (the tabular `.project` plus `.dat` data).
+//!
+//! Databases do not fit the WolfScript code view, so they export to JSON for inspection: each
+//! type's schema (fields and kind) and its data rows, with each row's values mapped back to field
+//! names. The byte-faithful [`wolf_formats::database::Database`] stays the round-trip authority.
+//! This is a read-only projection for readability, with values shown as signed ints or decoded
+//! strings.
+
+use std::collections::HashMap;
+use std::fmt::Write;
+
+use wolf_formats::database::{Database, DbData, DbType};
+
+use crate::text::decode_wstr;
+
+/// Render a database as pretty-printed JSON. `kind` is a label such as `"UDB"`, `"CDB"`, or
+/// `"SDB"`. `glossary` is the engine-text map (JP to EN). Every structural name it covers (a type
+/// or field, and the variable-name rows of the System DB) gets a `"name_en"` field next to its
+/// Japanese `"name"`, so a modder reading the English code can look the entry up in either
+/// language. Player-facing content such as item and skill row names is absent from the glossary
+/// and stays Japanese-only, which matches how it reads in the code.
+pub fn database_to_json(db: &Database, kind: &str, glossary: &HashMap<String, String>) -> String {
+    let utf8 = db.utf8;
+    let mut s = String::new();
+    s.push_str("{\n");
+    s.push_str(&format!("  \"kind\": {},\n", jstr(kind)));
+    s.push_str(&format!("  \"version\": \"0x{:02x}\",\n", db.dat_version));
+    let enc = if utf8 { "UTF-8" } else { "Shift-JIS" };
+    s.push_str(&format!("  \"encoding\": {},\n", jstr(enc)));
+    s.push_str(&format!("  \"typeCount\": {},\n", db.types.len()));
+    s.push_str("  \"types\": [\n");
+
+    for (ti, t) in db.types.iter().enumerate() {
+        type_to_json(&mut s, ti, t, utf8, glossary);
+        s.push_str(if ti + 1 == db.types.len() {
+            "\n"
+        } else {
+            ",\n"
+        });
+    }
+    s.push_str("  ]\n}\n");
+    s
+}
+
+/// Render `"name": "<jp>"`, plus `, "name_en": "<en>"` when the glossary translates it. Used for
+/// every name field so the JSON is searchable in either language.
+fn name_pair(jp: &str, glossary: &HashMap<String, String>) -> String {
+    match glossary.get(jp) {
+        Some(en) if en != jp => format!("{}, \"name_en\": {}", jstr(jp), jstr(en)),
+        _ => jstr(jp),
+    }
+}
+
+fn type_to_json(
+    s: &mut String,
+    id: usize,
+    t: &DbType,
+    utf8: bool,
+    glossary: &HashMap<String, String>,
+) {
+    let fields_size = (t.dat_fields_size as usize).min(t.fields.len());
+    s.push_str("    {\n");
+    let _ = write!(s, "      \"id\": {id},\n");
+    let _ = write!(
+        s,
+        "      \"name\": {},\n",
+        name_pair(&decode_wstr(&t.name, utf8), glossary)
+    );
+    let _ = write!(
+        s,
+        "      \"description\": {},\n",
+        jstr(&decode_wstr(&t.description, utf8))
+    );
+
+    // Schema fields: name (plus name_en) and kind. Only the first `fields_size` carry row data.
+    s.push_str("      \"fields\": [");
+    for (fi, f) in t.fields.iter().enumerate() {
+        let kind = if f.is_string() { "string" } else { "int" };
+        let has_data = fi < fields_size;
+        let _ = write!(
+            s,
+            "{}{{\"id\": {fi}, \"name\": {}, \"kind\": {}{}}}",
+            if fi == 0 { "" } else { ", " },
+            name_pair(&decode_wstr(&f.name, utf8), glossary),
+            jstr(kind),
+            if has_data {
+                ""
+            } else {
+                ", \"schemaOnly\": true"
+            }
+        );
+    }
+    s.push_str("],\n");
+
+    // Data rows: id, name (plus name_en), and values mapped to field names.
+    let _ = write!(s, "      \"rowCount\": {},\n", t.data.len());
+    s.push_str("      \"rows\": [\n");
+    for (di, d) in t.data.iter().enumerate() {
+        row_to_json(s, di, t, d, fields_size, utf8, glossary);
+        s.push_str(if di + 1 == t.data.len() { "\n" } else { ",\n" });
+    }
+    s.push_str("      ]\n    }");
+}
+
+/// The per-row value slots of a type, in on-disk order: `(jsonKey, is_string, slot_index)` for
+/// each of the first `fields_size` fields. The key is the field's decoded name when that name is
+/// unique within the type, else a stable `#<fieldId>`. That covers empty and duplicated names
+/// such as formula columns. The slot index points into the row's `int_values` or `string_values`
+/// (all int fields first, then all string fields). Shared by the JSON export and
+/// [`crate::db_edit`] so the keys match exactly. `slot` indexes `string_values` when `is_string`,
+/// otherwise `int_values`.
+pub fn value_slots(t: &DbType, fields_size: usize, utf8: bool) -> Vec<(String, bool, usize)> {
+    let mut counts: HashMap<String, u32> = HashMap::new();
+    for fi in 0..fields_size {
+        let n = decode_wstr(&t.fields[fi].name, utf8);
+        if !n.is_empty() {
+            *counts.entry(n).or_default() += 1;
+        }
+    }
+    let (mut int_i, mut str_i) = (0usize, 0usize);
+    let mut out = Vec::with_capacity(fields_size);
+    for fi in 0..fields_size {
+        let f = &t.fields[fi];
+        let n = decode_wstr(&f.name, utf8);
+        let key = if n.is_empty() || counts.get(&n).copied().unwrap_or(0) > 1 {
+            format!("#{fi}")
+        } else {
+            n
+        };
+        let is_str = f.is_string();
+        let slot = if is_str {
+            let s = str_i;
+            str_i += 1;
+            s
+        } else {
+            let s = int_i;
+            int_i += 1;
+            s
+        };
+        out.push((key, is_str, slot));
+    }
+    out
+}
+
+fn row_to_json(
+    s: &mut String,
+    id: usize,
+    t: &DbType,
+    d: &DbData,
+    fields_size: usize,
+    utf8: bool,
+    glossary: &HashMap<String, String>,
+) {
+    let _ = write!(
+        s,
+        "        {{\"id\": {id}, \"name\": {}",
+        name_pair(&decode_wstr(&d.name, utf8), glossary)
+    );
+    s.push_str(", \"values\": {");
+    let mut first = true;
+    for (key, is_str, slot) in value_slots(t, fields_size, utf8) {
+        if !first {
+            s.push_str(", ");
+        }
+        first = false;
+        if is_str {
+            let v = d
+                .string_values
+                .get(slot)
+                .map(|w| decode_wstr(w, utf8))
+                .unwrap_or_default();
+            let _ = write!(s, "{}: {}", jstr(&key), jstr(&v));
+        } else {
+            let v = d.int_values.get(slot).copied().unwrap_or(0) as i32;
+            let _ = write!(s, "{}: {}", jstr(&key), v);
+        }
+    }
+    s.push_str("}}");
+}
+
+/// JSON string literal with escaping.
+fn jstr(s: &str) -> String {
+    let mut out = String::with_capacity(s.len() + 2);
+    out.push('"');
+    for c in s.chars() {
+        match c {
+            '"' => out.push_str("\\\""),
+            '\\' => out.push_str("\\\\"),
+            '\n' => out.push_str("\\n"),
+            '\r' => out.push_str("\\r"),
+            '\t' => out.push_str("\\t"),
+            c if (c as u32) < 0x20 => {
+                let _ = write!(out, "\\u{:04x}", c as u32);
+            }
+            c => out.push(c),
+        }
+    }
+    out.push('"');
+    out
+}
diff --git a/util/wolfdawn-master/crates/wolf-decompiler/src/lib.rs b/util/wolfdawn-master/crates/wolf-decompiler/src/lib.rs
new file mode 100644
index 0000000..a5cdce1
--- /dev/null
+++ b/util/wolfdawn-master/crates/wolf-decompiler/src/lib.rs
@@ -0,0 +1,49 @@
+//! `wolf-decompiler` turns the byte-faithful command programs from `wolf-formats`
+//! into readable, editable WolfScript.
+//!
+//! Provides the decompile (render) direction. The byte-exact `RawCommand` stays the
+//! round-trip authority. The parse/recompile direction is built on top of it.
+
+#![forbid(unsafe_code)]
+
+pub mod compile;
+pub mod db_edit;
+pub mod document;
+pub mod json;
+pub mod merge;
+pub mod names;
+pub mod save;
+pub mod save_pro;
+pub mod spec;
+pub mod strings;
+pub mod symbols;
+pub mod text;
+pub mod txt_events;
+pub mod wolfscript;
+
+pub use compile::{compile_commands, compile_commands_enc};
+pub use db_edit::apply_database_edit;
+pub use document::{
+    compile_common_events_edit, compile_map_edit, decompile_common_events_edit,
+    decompile_common_events_edit_annotated, decompile_map_edit, decompile_map_edit_annotated,
+};
+pub use json::database_to_json;
+pub use merge::{apply_memory, build_memory, dropped_sources, MergeStats};
+pub use names::{check_name_conflicts, extract_db_name_cells, extract_names, inject_names, Conflict};
+pub use save::{
+    inspect_save, read_title, read_title_at, update_save, SaveFormat, SaveInfo, SaveUpdateStats,
+};
+pub use save_pro::{decrypt_pro, encrypt_pro, is_pro_save};
+pub use strings::{
+    apply_game_dat, audit_common_events_to_json, audit_db_to_json, audit_map_to_json,
+    db_strings_to_json, dump_game_dat, extract_common_events, extract_db_strings, extract_game_dat,
+    extract_map, inject_common_events, inject_db_strings, inject_game_dat, inject_map,
+    normalize_en_punct, scenes_to_json, InjectOptions, InjectStats,
+};
+
+pub use symbols::SymbolTable;
+pub use txt_events::{extract_txt_dir, extract_txt_events, inject_txt_events, split_txt_dir};
+pub use wolfscript::{
+    decompile_commands, decompile_commands_annotated, decompile_commands_enc,
+    decompile_common_events, decompile_map, operand, Renderer,
+};
diff --git a/util/wolfdawn-master/crates/wolf-decompiler/src/merge.rs b/util/wolfdawn-master/crates/wolf-decompiler/src/merge.rs
new file mode 100644
index 0000000..39482d3
--- /dev/null
+++ b/util/wolfdawn-master/crates/wolf-decompiler/src/merge.rs
@@ -0,0 +1,374 @@
+//! Incremental translation merge, a translation memory. Carries an existing translation over to a
+//! freshly re-extracted set of strings when a game updates (for example v1.00 to v1.10), so the
+//! translator only has to touch genuinely new or changed lines.
+//!
+//! The extractor's outputs (scenes, db, names, gamedat) all share one leaf shape: a JSON object
+//! carrying a string `source` and a string `text`, where `text == source` means untranslated and
+//! the translator edits `text`. This module does not model each schema. It walks every JSON object
+//! generically and acts on any object that has both fields, the same walker pattern
+//! [`crate::names::check_name_conflicts`] uses.
+//!
+//! Matching is by exact source string, not by locator (event/cmd/row index). A line that moved to
+//! a different scene in the update still inherits its translation, which is more robust than
+//! locator-matching across versions. The trade-off is that two different lines that share an
+//! identical source get the same carried translation. That is acceptable and consistent with how
+//! the rest of the toolchain treats `source` as the translation key.
+//!
+//! Pipeline:
+//!   1. [`build_memory`] over the old (already-translated) JSONs builds a `source -> text` map of
+//!      every real translation (`text != source`), plus a list of any sources that diverged across
+//!      files.
+//!   2. [`apply_memory`] over each new (freshly extracted) JSON returns the same JSON with
+//!      carried-over translations filled in, plus [`MergeStats`] (carried, still_new,
+//!      kept_existing).
+//!   3. [`dropped_sources`] reports which old translations no longer apply because the line was
+//!      removed in the update.
+//!
+//! Only `text` values are ever changed. Every other field and the document structure are
+//! preserved exactly, and the result is re-serialized pretty-printed with serde_json's stable key
+//! order.
+
+use std::collections::{BTreeMap, BTreeSet, HashMap};
+
+use serde_json::Value;
+
+// ----------------------------------------------------------------------------
+// Generic source/text walker (shared shape across scenes, db, names, gamedat)
+// ----------------------------------------------------------------------------
+
+/// Pull every `(source, text)` pair out of one parsed translation JSON, regardless of schema. Any
+/// object that has both a string `source` and a string `text` is a translation leaf. Mirrors
+/// [`crate::names`]'s `collect_source_text_pairs` so the merge sees exactly the same leaves the
+/// rest of the toolchain treats as translatable.
+fn collect_source_text_pairs(v: &Value, out: &mut Vec<(String, String)>) {
+    match v {
+        Value::Object(map) => {
+            if let (Some(Value::String(s)), Some(Value::String(t))) =
+                (map.get("source"), map.get("text"))
+            {
+                out.push((s.clone(), t.clone()));
+            }
+            for child in map.values() {
+                collect_source_text_pairs(child, out);
+            }
+        }
+        Value::Array(arr) => {
+            for child in arr {
+                collect_source_text_pairs(child, out);
+            }
+        }
+        _ => {}
+    }
+}
+
+/// Collect just the `source` strings of every translation leaf (translated or not) in one parsed
+/// JSON, into `out`. Empty sources are skipped. They are never a memory key.
+fn collect_sources(v: &Value, out: &mut BTreeSet<String>) {
+    match v {
+        Value::Object(map) => {
+            if let (Some(Value::String(s)), Some(Value::String(_))) =
+                (map.get("source"), map.get("text"))
+            {
+                if !s.is_empty() {
+                    out.insert(s.clone());
+                }
+            }
+            for child in map.values() {
+                collect_sources(child, out);
+            }
+        }
+        Value::Array(arr) => {
+            for child in arr {
+                collect_sources(child, out);
+            }
+        }
+        _ => {}
+    }
+}
+
+// ----------------------------------------------------------------------------
+// Build the translation memory from the old (translated) JSONs
+// ----------------------------------------------------------------------------
+
+/// Build the translation memory from the old (already-translated) extraction JSONs.
+///
+/// Walks every input generically and collects `source -> text` for each leaf that is a real
+/// translation (`text != source`). `source == ""` is skipped. If the same `source` is given two
+/// or more distinct `text` values across the inputs, the first one seen wins (inputs in order,
+/// leaves in document order), and the source is reported in the returned conflicts vec together
+/// with its divergent values (the kept value first, sorted thereafter).
+///
+/// An input that fails to parse is skipped, so one stray file cannot sink the whole memory.
+///
+/// Returns `(memory, conflicts)` where `conflicts` is `(source, distinct_texts)` per divergent
+/// source, sorted by source for stable output.
+// The return tuple is the documented public API shape: a source->text map plus a per-source
+// variant list.
+#[allow(clippy::type_complexity)]
+pub fn build_memory(old_jsons: &[&str]) -> (HashMap<String, String>, Vec<(String, Vec<String>)>) {
+    // source -> kept text (first seen), and source -> ordered set of all distinct texts seen.
+    let mut memory: HashMap<String, String> = HashMap::new();
+    // BTreeMap and BTreeSet keep conflict reporting deterministic and de-duplicated.
+    let mut variants: BTreeMap<String, BTreeSet<String>> = BTreeMap::new();
+    // Preserve the kept first-seen value separately so it can lead the reported variant list.
+    let mut kept: BTreeMap<String, String> = BTreeMap::new();
+
+    for json in old_jsons {
+        let Ok(root) = serde_json::from_str::<Value>(json) else {
+            continue; // skip unparseable inputs rather than failing the whole build.
+        };
+        let mut pairs = Vec::new();
+        collect_source_text_pairs(&root, &mut pairs);
+        for (source, text) in pairs {
+            if source.is_empty() || text == source {
+                continue; // empty key or untranslated leaf, not a memory entry.
+            }
+            // First real translation for this source wins and is the kept value.
+            memory.entry(source.clone()).or_insert_with(|| text.clone());
+            kept.entry(source.clone()).or_insert_with(|| text.clone());
+            variants
+                .entry(source.clone())
+                .or_default()
+                .insert(text.clone());
+        }
+    }
+
+    // A source with two or more distinct translations is a conflict. Report the kept value first,
+    // then the remaining distinct values in sorted order.
+    let mut conflicts = Vec::new();
+    for (source, texts) in variants {
+        if texts.len() < 2 {
+            continue;
+        }
+        let keep = kept.get(&source).cloned().unwrap_or_default();
+        let mut list = Vec::with_capacity(texts.len());
+        list.push(keep.clone());
+        for t in texts {
+            if t != keep {
+                list.push(t);
+            }
+        }
+        conflicts.push((source, list));
+    }
+
+    (memory, conflicts)
+}
+
+// ----------------------------------------------------------------------------
+// Apply the memory to a NEW (freshly extracted) JSON
+// ----------------------------------------------------------------------------
+
+/// What [`apply_memory`] did to one new extraction file.
+#[derive(Debug, Default, Clone, Copy, PartialEq, Eq)]
+pub struct MergeStats {
+    /// Leaves that were untranslated in the new file and got a translation carried over from memory.
+    pub carried: usize,
+    /// Leaves that are still untranslated (no memory hit). Genuinely new or changed text to do.
+    pub still_new: usize,
+    /// Leaves the new file already had its own translation for (`text != source`). Left untouched.
+    pub kept_existing: usize,
+}
+
+/// Apply a translation memory to one new (freshly extracted) extraction JSON.
+///
+/// Parses the JSON, walks it generically, and for every leaf object with a string `source` and
+/// `text`:
+///   * If `text != source` already (the new file carries its own translation), leave it and add
+///     to `kept_existing`.
+///   * Else if `source` is in `memory`, set `text = memory[source]` and add to `carried`.
+///   * Else leave it untranslated and add to `still_new`.
+///
+/// All other fields and the overall structure are preserved exactly. Only `text` values may
+/// change. The result is re-serialized pretty-printed via serde_json with stable key order.
+///
+/// Returns the re-serialized JSON plus the [`MergeStats`], or an error string if the input does
+/// not parse as JSON.
+pub fn apply_memory(
+    new_json: &str,
+    memory: &HashMap<String, String>,
+) -> Result<(String, MergeStats), String> {
+    let mut root: Value = serde_json::from_str(new_json).map_err(|e| format!("invalid JSON: {e}"))?;
+    let mut stats = MergeStats::default();
+    apply_to_value(&mut root, memory, &mut stats);
+    let out = serde_json::to_string_pretty(&root).map_err(|e| format!("serialize failed: {e}"))?;
+    Ok((out, stats))
+}
+
+/// Recurse a parsed value, rewriting `text` on each translation leaf per the merge rule.
+fn apply_to_value(v: &mut Value, memory: &HashMap<String, String>, stats: &mut MergeStats) {
+    match v {
+        Value::Object(map) => {
+            // Decide this object's leaf action on an immutable read first, then mutate.
+            let leaf = match (map.get("source"), map.get("text")) {
+                (Some(Value::String(s)), Some(Value::String(t))) => Some((s.clone(), t.clone())),
+                _ => None,
+            };
+            if let Some((source, text)) = leaf {
+                if text != source {
+                    stats.kept_existing += 1;
+                } else if let Some(carried) = memory.get(&source) {
+                    map.insert("text".to_string(), Value::String(carried.clone()));
+                    stats.carried += 1;
+                } else {
+                    stats.still_new += 1;
+                }
+            }
+            // Recurse into children regardless. Nested leaves, such as a speaker sub-object, still
+            // get their own pass.
+            for child in map.values_mut() {
+                apply_to_value(child, memory, stats);
+            }
+        }
+        Value::Array(arr) => {
+            for child in arr.iter_mut() {
+                apply_to_value(child, memory, stats);
+            }
+        }
+        _ => {}
+    }
+}
+
+// ----------------------------------------------------------------------------
+// Reporting: which old translations no longer apply (removed in the update)
+// ----------------------------------------------------------------------------
+
+/// The memory sources present in none of the new extraction JSONs. These are lines that were
+/// removed, or whose source text changed, in the update, so their translation cannot carry over.
+/// Reporting only, sorted for stable output. Unparseable new files are skipped.
+pub fn dropped_sources(memory: &HashMap<String, String>, new_jsons: &[&str]) -> Vec<String> {
+    let mut present: BTreeSet<String> = BTreeSet::new();
+    for json in new_jsons {
+        if let Ok(root) = serde_json::from_str::<Value>(json) {
+            collect_sources(&root, &mut present);
+        }
+    }
+    let mut dropped: Vec<String> = memory
+        .keys()
+        .filter(|s| !present.contains(*s))
+        .cloned()
+        .collect();
+    dropped.sort();
+    dropped
+}
+
+#[cfg(test)]
+mod tests {
+    use super::*;
+
+    #[test]
+    fn build_memory_keeps_real_translations_only() {
+        // A translated names file: あ is translated to A, い is untranslated (text==source).
+        let names = r#"{"kind":"names","names":[
+            {"source":"あ","text":"A","occurrences":3,"note":"Monster"},
+            {"source":"い","text":"い","occurrences":1,"note":"Item"}
+        ]}"#;
+        let (mem, conflicts) = build_memory(&[names]);
+        assert_eq!(mem.get("あ").map(String::as_str), Some("A"));
+        assert!(!mem.contains_key("い"), "untranslated source is excluded");
+        assert_eq!(mem.len(), 1);
+        assert!(conflicts.is_empty());
+    }
+
+    #[test]
+    fn build_memory_skips_empty_source() {
+        let json = r#"{"lines":[{"source":"","text":"X"},{"source":"a","text":"B"}]}"#;
+        let (mem, _) = build_memory(&[json]);
+        assert!(!mem.contains_key(""));
+        assert_eq!(mem.get("a").map(String::as_str), Some("B"));
+    }
+
+    #[test]
+    fn build_memory_reports_conflict_and_keeps_first() {
+        // Same source translated two different ways across two files is a conflict. First wins.
+        let f1 = r#"{"lines":[{"source":"剣","text":"Sword"}]}"#;
+        let f2 = r#"{"lines":[{"source":"剣","text":"Blade"}]}"#;
+        let (mem, conflicts) = build_memory(&[f1, f2]);
+        assert_eq!(mem.get("剣").map(String::as_str), Some("Sword"), "first kept");
+        assert_eq!(conflicts.len(), 1);
+        assert_eq!(conflicts[0].0, "剣");
+        // Kept value leads the reported variants. Both distinct values are present.
+        assert_eq!(conflicts[0].1.first().map(String::as_str), Some("Sword"));
+        assert!(conflicts[0].1.iter().any(|t| t == "Blade"));
+        assert_eq!(conflicts[0].1.len(), 2);
+    }
+
+    #[test]
+    fn build_memory_same_text_is_not_a_conflict() {
+        // The same translation in two files is consistent, not divergent.
+        let f1 = r#"{"lines":[{"source":"剣","text":"Sword"}]}"#;
+        let f2 = r#"{"lines":[{"source":"剣","text":"Sword"}]}"#;
+        let (_, conflicts) = build_memory(&[f1, f2]);
+        assert!(conflicts.is_empty());
+    }
+
+    #[test]
+    fn apply_memory_carries_and_marks_still_new() {
+        // New scenes extraction: あ matches memory (carried), う has no memory entry (still new).
+        let new = r#"{"scenes":[{"lines":[
+            {"source":"あ","text":"あ","speaker":"NPC"},
+            {"source":"う","text":"う","speaker":"NPC"}
+        ]}]}"#;
+        let mut mem = HashMap::new();
+        mem.insert("あ".to_string(), "A".to_string());
+        let (out, stats) = apply_memory(new, &mem).unwrap();
+        assert_eq!(stats.carried, 1);
+        assert_eq!(stats.still_new, 1);
+        assert_eq!(stats.kept_existing, 0);
+        // Re-parse and confirm the carried translation landed and the still-new one is unchanged.
+        let v: Value = serde_json::from_str(&out).unwrap();
+        let mut pairs = Vec::new();
+        collect_source_text_pairs(&v, &mut pairs);
+        let map: HashMap<_, _> = pairs.into_iter().collect();
+        assert_eq!(map.get("あ").map(String::as_str), Some("A"));
+        assert_eq!(map.get("う").map(String::as_str), Some("う"));
+    }
+
+    #[test]
+    fn apply_memory_keeps_existing_translation_untouched() {
+        // The new file already translated あ to "Already". Even with a different memory entry, its
+        // own translation is kept and counted as kept_existing, never overwritten.
+        let new = r#"{"lines":[{"source":"あ","text":"Already"}]}"#;
+        let mut mem = HashMap::new();
+        mem.insert("あ".to_string(), "FromMemory".to_string());
+        let (out, stats) = apply_memory(new, &mem).unwrap();
+        assert_eq!(stats.kept_existing, 1);
+        assert_eq!(stats.carried, 0);
+        assert_eq!(stats.still_new, 0);
+        let v: Value = serde_json::from_str(&out).unwrap();
+        let mut pairs = Vec::new();
+        collect_source_text_pairs(&v, &mut pairs);
+        assert_eq!(pairs[0].1, "Already");
+    }
+
+    #[test]
+    fn apply_memory_empty_memory_preserves_everything() {
+        // With an empty memory, nothing is carried. Every text and non-text field is preserved.
+        let new = r#"{"scenes":[{"event":7,"lines":[
+            {"cmd":3,"str":0,"row":2,"speaker":"勇者","source":"あ","text":"あ"}
+        ]}]}"#;
+        let before: Value = serde_json::from_str(new).unwrap();
+        let (out, stats) = apply_memory(new, &HashMap::new()).unwrap();
+        assert_eq!(stats.carried, 0);
+        assert_eq!(stats.kept_existing, 0);
+        assert_eq!(stats.still_new, 1);
+        let after: Value = serde_json::from_str(&out).unwrap();
+        // Logical content is identical. serde_json::Value compares structurally.
+        assert_eq!(before, after, "empty memory is a structural no-op");
+    }
+
+    #[test]
+    fn apply_memory_bad_json_errors() {
+        assert!(apply_memory("{not json", &HashMap::new()).is_err());
+    }
+
+    #[test]
+    fn dropped_sources_reports_removed_only() {
+        let mut mem = HashMap::new();
+        mem.insert("あ".to_string(), "A".to_string());
+        mem.insert("い".to_string(), "I".to_string());
+        // The new file only still contains あ. い was removed in the update.
+        let new = r#"{"lines":[{"source":"あ","text":"あ"}]}"#;
+        let dropped = dropped_sources(&mem, &[new]);
+        assert_eq!(dropped, vec!["い".to_string()]);
+    }
+}
diff --git a/util/wolfdawn-master/crates/wolf-decompiler/src/names.rs b/util/wolfdawn-master/crates/wolf-decompiler/src/names.rs
new file mode 100644
index 0000000..3a5ff90
--- /dev/null
+++ b/util/wolfdawn-master/crates/wolf-decompiler/src/names.rs
@@ -0,0 +1,745 @@
+//! Project-level name glossary. A cross-file, consistency-preserving translation of the database
+//! names a Wolf game looks rows up by.
+//!
+//! A command like `UDB[Monster]["ブルノエール"].Graphic` resolves a row by its name, and that name
+//! is mirrored in three or more independent places that must translate together or the lookup
+//! breaks (returns -1 or hits the wrong row):
+//!   1. The DB name/display field value (the row's `名前`, `表示名`, nickname, or element name).
+//!   2. The stored row name ([`DbData::name`](wolf_formats::database::DbData), the `.project`
+//!      half).
+//!   3. Every command by-name reference: `cid250/252` dataName (str index 2), `cid251` dataName
+//!      (str index 1), and `cid112` StringCondition comparison literals (any str).
+//!
+//! The per-file [`crate::strings`] extract/inject path translates each of these independently, so
+//! a translator could rename a row's display field without the row name and by-name references
+//! following, silently breaking the lookup. This module instead builds one `source -> text` map
+//! from the whole data dir and applies it to all mirrors at once, keeping them consistent.
+//!
+//! Control-code preservation, drift guarding, and encoding checks reuse the existing
+//! [`crate::strings::write_translation`] path.
+
+use std::collections::{BTreeMap, BTreeSet, HashMap};
+use std::fmt::Write as _; // `write!`/`writeln!` into a String.
+
+use serde_json::Value;
+use wolf_formats::command::RawCommand;
+use wolf_formats::common_event::CommonEventsFile;
+use wolf_formats::database::{Database, DbType};
+use wolf_formats::map::Map;
+use wolf_formats::WStr;
+
+use crate::json::value_slots;
+use crate::strings::{
+    db_field_role, has_translatable_text, value_is_asset_path, write_translation, InjectOptions,
+    InjectStats, Role,
+};
+use crate::text::decode_wstr;
+
+// ----------------------------------------------------------------------------
+// Name / display field detection (general, not hardcoded per game)
+// ----------------------------------------------------------------------------
+
+/// A string field whose values are single-string names the game may look rows up by, so they must
+/// stay consistent with the row name and every by-name reference. General, not a per-game
+/// allowlist. It is exactly the cells the role classifier assigns [`Role::Name`].
+///
+/// This is the glossary's half of the disjoint split. It owns name cells, while the per-file
+/// `db-strings` path owns description/dialogue content cells ([`Role::Content`]). Because
+/// [`db_field_role`] assigns each cell exactly one role, no DB string cell is extracted by both
+/// paths, which removes the hazard of a name being translated to two different values.
+///
+/// A cell is a name when [`db_field_role`] returns [`Role::Name`]: the type's first string field
+/// (the canonical row-name column that `UDB[type][name]` reads, even with an empty or unrecognised
+/// label), or a recognised name field or type (`名前`, `愛称`, `呼び方`, the `移動名`
+/// location-banner key, and so on). A description/dialogue field is [`Role::Content`], owned by the
+/// per-file path and independently translatable. An internal field is [`Role::Internal`]. Neither
+/// is a name. The on-screen `移動名` location banner classifies as a name, since the consistency
+/// machinery covers its by-name-key usage. A genuine internal field never does.
+fn name_display_field(
+    type_byte: u8,
+    type_name: &str,
+    field_jp: &str,
+    field_en: &str,
+    is_first_string: bool,
+) -> bool {
+    db_field_role(type_byte, type_name, field_jp, field_en, is_first_string) == Role::Name
+}
+
+/// The name/display fields of a type: `(field_idx, string_slot, type_byte, field_jp)` for each
+/// field [`name_display_field`] keeps, in field order. `glossary` powers the EN field-name
+/// matching.
+fn name_fields(t: &DbType, utf8: bool, glossary: &HashMap<String, String>) -> Vec<(usize, usize, u8, String)> {
+    let type_name = decode_wstr(&t.name, utf8);
+    let fields_size = (t.dat_fields_size as usize).min(t.fields.len());
+    let slots = value_slots(t, fields_size, utf8);
+    let mut seen_string = false;
+    let mut out = Vec::new();
+    for (fi, (_, is_str, slot)) in slots.iter().enumerate() {
+        if !is_str {
+            continue;
+        }
+        let is_first_string = !seen_string;
+        seen_string = true;
+        let fjp = decode_wstr(&t.fields[fi].name, utf8);
+        let fen = glossary.get(&fjp).map(String::as_str).unwrap_or(&fjp);
+        let tb = t.fields[fi].type_byte;
+        if name_display_field(tb, &type_name, &fjp, fen, is_first_string) {
+            out.push((fi, *slot, tb, fjp));
+        }
+    }
+    out
+}
+
+/// A single name/display cell value, with the per-cell asset-path exclusion applied. Returns the
+/// decoded value only when it is a translatable name. Skips empty, pure-code, and folder-picker
+/// paths.
+fn name_cell_value(row: &wolf_formats::database::DbData, slot: usize, tb: u8, utf8: bool) -> Option<String> {
+    let v = row.string_values.get(slot).map(|w| decode_wstr(w, utf8))?;
+    if !has_translatable_text(&v) {
+        return None;
+    }
+    if tb == 1 && value_is_asset_path(&v) {
+        return None;
+    }
+    Some(v)
+}
+
+/// The glossary's per-cell name extraction of a database, as `(type_idx, row_idx, field_idx)` for
+/// every string cell the glossary owns (a [`name_display_field`] cell with a translatable name
+/// value). The stored row name (`DbData.name`) is not a field cell, so it carries no
+/// `(type,row,field)` locator and is not in this set.
+///
+/// This is the glossary's side of the disjointness invariant. It must share no `(type,row,field)`
+/// with [`crate::strings::extract_db_strings`]'s output, since every DB string cell has exactly
+/// one [`crate::strings::Role`].
+pub fn extract_db_name_cells(
+    db: &Database,
+    glossary: &HashMap<String, String>,
+) -> Vec<(usize, usize, usize)> {
+    let utf8 = db.utf8;
+    let mut out = Vec::new();
+    for (ti, t) in db.types.iter().enumerate() {
+        let fields = name_fields(t, utf8, glossary);
+        for (ri, row) in t.data.iter().enumerate() {
+            for (fi, slot, tb, _) in &fields {
+                if name_cell_value(row, *slot, *tb, utf8).is_some() {
+                    out.push((ti, ri, *fi));
+                }
+            }
+        }
+    }
+    out
+}
+
+// ----------------------------------------------------------------------------
+// By-name command references (cid 250/252 str2, cid 251 str1, cid 112 any str)
+// ----------------------------------------------------------------------------
+
+/// The string-arg indices of a command that are DB by-name references: a data name a lookup
+/// resolves, or a name compared in a StringCondition. Empty means none.
+fn dbref_str_indices(cmd: &RawCommand) -> Vec<usize> {
+    match cmd.cid {
+        // DB read/write by name: str index 2 is the data (row) name operand.
+        250 | 252 => vec![2],
+        // DB-string read by name: str index 1 is the data (row) name operand.
+        251 => vec![1],
+        // StringCondition: any string operand may be a name compared against a row name.
+        112 => (0..cmd.str_args.len()).collect(),
+        _ => vec![],
+    }
+}
+
+/// Visit every by-name reference string in a command list, calling `f(cmd_idx, str_idx, value)`.
+fn for_each_dbref(cmds: &[RawCommand], utf8: bool, mut f: impl FnMut(usize, usize, &str)) {
+    for (ci, cmd) in cmds.iter().enumerate() {
+        for si in dbref_str_indices(cmd) {
+            let Some(w) = cmd.str_args.get(si) else {
+                continue;
+            };
+            let v = decode_wstr(w, utf8);
+            if !v.is_empty() {
+                f(ci, si, &v);
+            }
+        }
+    }
+}
+
+// ----------------------------------------------------------------------------
+// Extraction: collect the unique candidate name strings across the data dir
+// ----------------------------------------------------------------------------
+
+/// One candidate name in the glossary: the `source` string (its `text` starts equal, the
+/// translator edits `text`), how many places it occurs across the corpus, and a short hint.
+struct NameEntry {
+    source: String,
+    occurrences: usize,
+    /// A short note: the originating DB type name (the first one observed), for context.
+    note: String,
+}
+
+/// Accumulator. Per unique source string, its occurrence count and a note (the first type seen).
+#[derive(Default)]
+struct NameAcc {
+    /// source -> occurrence count.
+    counts: BTreeMap<String, usize>,
+    /// source -> note (originating type name, kept from the first DB cell or row name seen).
+    notes: BTreeMap<String, String>,
+    /// Sources that qualified as a candidate (a DB name/display value or a stored row name). A
+    /// by-name command reference only counts toward an existing candidate. It never introduces a
+    /// new one. A reference to a name that exists in no DB is dead and untranslatable.
+    candidates: BTreeSet<String>,
+}
+
+impl NameAcc {
+    /// Register a DB-sourced candidate (row name or name/display cell value). It becomes a
+    /// glossary entry and the occurrence is counted. `note` is the originating type name.
+    fn add_candidate(&mut self, s: &str, note: &str) {
+        self.candidates.insert(s.to_string());
+        *self.counts.entry(s.to_string()).or_default() += 1;
+        self.notes
+            .entry(s.to_string())
+            .or_insert_with(|| note.to_string());
+    }
+
+    /// Count a by-name reference occurrence. Does not introduce a new candidate.
+    fn count_ref(&mut self, s: &str) {
+        if self.candidates.contains(s) {
+            *self.counts.entry(s.to_string()).or_default() += 1;
+        }
+    }
+}
+
+/// Collect candidate names from one database: every non-empty stored row name, and every
+/// translatable name/display cell value.
+fn collect_db_candidates(acc: &mut NameAcc, db: &Database, glossary: &HashMap<String, String>) {
+    let utf8 = db.utf8;
+    for t in &db.types {
+        let type_name = decode_wstr(&t.name, utf8);
+        let fields = name_fields(t, utf8, glossary);
+        for row in &t.data {
+            let row_name = decode_wstr(&row.name, utf8);
+            if has_translatable_text(&row_name) {
+                acc.add_candidate(&row_name, &type_name);
+            }
+            for (_, slot, tb, _) in &fields {
+                if let Some(v) = name_cell_value(row, *slot, *tb, utf8) {
+                    acc.add_candidate(&v, &type_name);
+                }
+            }
+        }
+    }
+}
+
+/// Build the project name glossary JSON over a whole data dir: the parsed databases, an optional
+/// common-events file, and the parsed maps. `glossary` (JP to EN) powers EN field-name matching.
+///
+/// The result is a `{ "kind":"names", "names":[ {source,text,occurrences,note}, ... ] }` document
+/// where `text == source` initially and the translator edits `text`. Sources are deduplicated by
+/// exact value and sorted deterministically by source string, so re-running on the same corpus
+/// yields byte-identical output.
+pub fn extract_names(
+    dbs: &[Database],
+    ces: &[&CommonEventsFile],
+    maps: &[Map],
+    glossary: &HashMap<String, String>,
+) -> String {
+    let mut acc = NameAcc::default();
+    // Pass 1: candidates from every DB (row names and name/display cell values).
+    for db in dbs {
+        collect_db_candidates(&mut acc, db, glossary);
+    }
+    // Pass 2: count by-name references in command streams against the candidate set.
+    for ce in ces {
+        for ev in &ce.events {
+            for_each_dbref(&ev.commands, ce.utf8, |_, _, v| acc.count_ref(v));
+        }
+    }
+    for map in maps {
+        for ev in &map.events {
+            for page in &ev.pages {
+                for_each_dbref(&page.commands, map.utf8, |_, _, v| acc.count_ref(v));
+            }
+        }
+    }
+
+    // Materialise the sorted, deduped entry list. `candidates` is a BTreeSet so iteration is
+    // already in deterministic source order. Skip anything that fails the translatable filter.
+    // Candidates already passed it, but row names from a denylist-only path could slip a
+    // pure-symbol value through.
+    let mut entries: Vec<NameEntry> = Vec::with_capacity(acc.candidates.len());
+    for source in &acc.candidates {
+        if !has_translatable_text(source) {
+            continue;
+        }
+        entries.push(NameEntry {
+            source: source.clone(),
+            occurrences: acc.counts.get(source).copied().unwrap_or(0),
+            note: acc.notes.get(source).cloned().unwrap_or_default(),
+        });
+    }
+
+    names_to_json(&entries)
+}
+
+/// Render the collected name entries as the names-glossary JSON. `text` starts equal to `source`.
+fn names_to_json(entries: &[NameEntry]) -> String {
+    let mut s = String::new();
+    s.push_str("{\n");
+    s.push_str("  \"kind\": \"names\",\n");
+    let _ = writeln!(s, "  \"count\": {},", entries.len());
+    s.push_str("  \"names\": [\n");
+    for (i, e) in entries.iter().enumerate() {
+        let _ = write!(
+            s,
+            "    {{\"source\": {}, \"text\": {}, \"occurrences\": {}, \"note\": {}}}",
+            jstr(&e.source),
+            jstr(&e.source),
+            e.occurrences,
+            jstr(&e.note),
+        );
+        s.push_str(if i + 1 == entries.len() { "\n" } else { ",\n" });
+    }
+    s.push_str("  ]\n}\n");
+    s
+}
+
+// ----------------------------------------------------------------------------
+// Injection: apply the glossary consistently across all name mirrors
+// ----------------------------------------------------------------------------
+
+/// Parse a names-glossary JSON into a `source -> text` map, keeping only entries whose `text`
+/// actually differs from `source`. An untranslated entry is a no-op everywhere.
+fn parse_name_map(json: &str) -> Result<HashMap<String, String>, String> {
+    let root: Value = serde_json::from_str(json).map_err(|e| format!("invalid JSON: {e}"))?;
+    let arr = root
+        .get("names")
+        .and_then(Value::as_array)
+        .ok_or("names JSON has no `names` array")?;
+    let mut map = HashMap::new();
+    for e in arr {
+        let source = e.get("source").and_then(Value::as_str).unwrap_or("");
+        let text = e.get("text").and_then(Value::as_str).unwrap_or(source);
+        if source.is_empty() || text == source {
+            continue;
+        }
+        map.insert(source.to_string(), text.to_string());
+    }
+    Ok(map)
+}
+
+/// Apply a name translation to a single `WStr` cell when it currently equals a mapped source.
+/// Reuses [`write_translation`] so the control-code, drift, and encoding guards are identical to
+/// the player-text path. The cell's current decoded value is the drift base, so an
+/// already-translated or unrelated cell is left byte-exact and counted as `drifted`.
+fn apply_to_cell(
+    cell: &mut WStr,
+    map: &HashMap<String, String>,
+    utf8: bool,
+    opts: &InjectOptions,
+    stats: &mut InjectStats,
+    locator: &dyn Fn() -> String,
+) {
+    let cur = decode_wstr(cell, utf8);
+    let Some(text) = map.get(&cur) else {
+        return;
+    };
+    // `cur` is the source (it equals the map key) and `text` differs, since parse_name_map
+    // dropped no-ops. This is always a real edit attempt. The guards decide if it lands.
+    write_translation(cell, &cur, text, utf8, opts, stats, locator);
+}
+
+/// Apply the project name glossary across a whole data dir, consistently. The same `source ->
+/// text` is written to (a) every stored row name, (b) every name/display cell value, and (c)
+/// every by-name command reference (`cid250/252` str2, `cid251` str1, `cid112` strings) that
+/// currently equals a source. Every write is drift, control-code, and encoding guarded via the
+/// shared [`write_translation`]. Untouched cells keep their exact bytes, so each file
+/// re-serializes byte-exact except for the translated names.
+///
+/// `dbs`, `ces`, and `maps` are the mutable parsed files of the dir, in any order. The caller
+/// writes them back out and re-parses. Returns the aggregate [`InjectStats`].
+pub fn inject_names(
+    names_json: &str,
+    dbs: &mut [Database],
+    ces: &mut [&mut CommonEventsFile],
+    maps: &mut [Map],
+    opts: &InjectOptions,
+    glossary: &HashMap<String, String>,
+) -> Result<InjectStats, String> {
+    let map = parse_name_map(names_json)?;
+    let mut stats = InjectStats::default();
+    if map.is_empty() {
+        return Ok(stats);
+    }
+
+    // (a) and (b) Databases: stored row names and name/display cell values.
+    for (di, db) in dbs.iter_mut().enumerate() {
+        let utf8 = db.utf8;
+        for (ti, t) in db.types.iter_mut().enumerate() {
+            // Recompute the keep-set on an immutable borrow before mutating rows.
+            let fields = name_fields(t, utf8, glossary);
+            for (ri, row) in t.data.iter_mut().enumerate() {
+                // (a) Row name.
+                apply_to_cell(&mut row.name, &map, utf8, opts, &mut stats, &|| {
+                    format!("db {di} type {ti} row {ri} name")
+                });
+                // (b) Name/display cell values.
+                for (fi, slot, tb, _) in &fields {
+                    // Re-apply the per-cell asset-path exclusion. A folder-picker path is never a
+                    // name, even if its exact text somehow collided with a mapped source.
+                    if *tb == 1 {
+                        let cur = row
+                            .string_values
+                            .get(*slot)
+                            .map(|w| decode_wstr(w, utf8))
+                            .unwrap_or_default();
+                        if value_is_asset_path(&cur) {
+                            continue;
+                        }
+                    }
+                    if let Some(cell) = row.string_values.get_mut(*slot) {
+                        apply_to_cell(cell, &map, utf8, opts, &mut stats, &|| {
+                            format!("db {di} type {ti} row {ri} field {fi}")
+                        });
+                    }
+                }
+            }
+        }
+    }
+
+    // (c) By-name command references in common events.
+    for (ei, ce) in ces.iter_mut().enumerate() {
+        let utf8 = ce.utf8;
+        for (evi, ev) in ce.events.iter_mut().enumerate() {
+            apply_dbrefs(&mut ev.commands, &map, utf8, opts, &mut stats, &|ci, si| {
+                format!("ce {ei} event {evi} cmd {ci} str {si}")
+            });
+        }
+    }
+    // (c) By-name command references in maps.
+    for (mi, map_file) in maps.iter_mut().enumerate() {
+        let utf8 = map_file.utf8;
+        for (evi, ev) in map_file.events.iter_mut().enumerate() {
+            for (pi, page) in ev.pages.iter_mut().enumerate() {
+                apply_dbrefs(&mut page.commands, &map, utf8, opts, &mut stats, &|ci, si| {
+                    format!("map {mi} event {evi} page {pi} cmd {ci} str {si}")
+                });
+            }
+        }
+    }
+
+    Ok(stats)
+}
+
+/// Apply the name map to the by-name reference strings of a command list.
+fn apply_dbrefs(
+    cmds: &mut [RawCommand],
+    map: &HashMap<String, String>,
+    utf8: bool,
+    opts: &InjectOptions,
+    stats: &mut InjectStats,
+    locator: &dyn Fn(usize, usize) -> String,
+) {
+    for (ci, cmd) in cmds.iter_mut().enumerate() {
+        for si in dbref_str_indices(cmd) {
+            if let Some(cell) = cmd.str_args.get_mut(si) {
+                apply_to_cell(cell, map, utf8, opts, stats, &|| locator(ci, si));
+            }
+        }
+    }
+}
+
+fn jstr(s: &str) -> String {
+    let mut out = String::with_capacity(s.len() + 2);
+    out.push('"');
+    for c in s.chars() {
+        match c {
+            '"' => out.push_str("\\\""),
+            '\\' => out.push_str("\\\\"),
+            '\n' => out.push_str("\\n"),
+            '\r' => out.push_str("\\r"),
+            '\t' => out.push_str("\\t"),
+            c if (c as u32) < 0x20 => {
+                let _ = write!(out, "\\u{:04x}", c as u32);
+            }
+            c => out.push(c),
+        }
+    }
+    out.push('"');
+    out
+}
+
+// ----------------------------------------------------------------------------
+// Name-consistency conflict check (across translation JSONs)
+// ----------------------------------------------------------------------------
+
+/// One detected name-translation conflict: a single glossary name source that was given two or
+/// more distinct non-identity translations across the loaded translation files. This is the exact
+/// hazard the disjoint-ownership split prevents at extraction time. The check catches a residual
+/// conflict that slipped in by hand, such as an old db-strings edit kept alongside the glossary.
+pub struct Conflict {
+    /// The source name string (an exact, full-string `names.json` entry).
+    pub source: String,
+    /// The divergent translations, each with the files that used it, sorted and deduped.
+    pub variants: Vec<ConflictVariant>,
+}
+
+/// One divergent translation of a conflicting source, with where it came from.
+pub struct ConflictVariant {
+    pub text: String,
+    /// Names of the files that translated the source to this `text`, sorted and deduped.
+    pub files: Vec<String>,
+}
+
+/// Pull every `(source, text)` pair out of one parsed translation JSON, regardless of its shape.
+/// The names, db, scenes, and gamedat documents all carry `source` and `text` leaves at various
+/// depths. Recurse generically: any object that has both a string `source` and a string `text` is
+/// a pair. This keeps the check robust to all the document kinds without re-encoding each schema.
+fn collect_source_text_pairs(v: &Value, out: &mut Vec<(String, String)>) {
+    match v {
+        Value::Object(map) => {
+            if let (Some(Value::String(s)), Some(Value::String(t))) =
+                (map.get("source"), map.get("text"))
+            {
+                out.push((s.clone(), t.clone()));
+            }
+            for child in map.values() {
+                collect_source_text_pairs(child, out);
+            }
+        }
+        Value::Array(arr) => {
+            for child in arr {
+                collect_source_text_pairs(child, out);
+            }
+        }
+        _ => {}
+    }
+}
+
+/// The set of glossary name sources in one parsed JSON: every `source` of a `names.json` document
+/// (`kind == "names"`, the `names` array). A non-names document contributes none. A db-strings
+/// description source is content, never a name, so it can never define the glossary-name set.
+fn collect_name_sources(v: &Value, out: &mut BTreeSet<String>) {
+    if v.get("kind").and_then(Value::as_str) == Some("names") {
+        if let Some(arr) = v.get("names").and_then(Value::as_array) {
+            for e in arr {
+                if let Some(s) = e.get("source").and_then(Value::as_str) {
+                    if !s.is_empty() {
+                        out.insert(s.to_string());
+                    }
+                }
+            }
+        }
+    }
+}
+
+/// Check a set of loaded translation JSONs for name-translation conflicts: a glossary name (a
+/// source that appears as a `names.json` entry) that is translated to two or more distinct
+/// non-identity `text` values across the files.
+///
+/// Semantics, deliberately strict:
+///   * The glossary-name set is the union of every `names.json`'s `source` values.
+///   * Across all files (names, db-strings, scenes, gamedat), every `(source, text)` pair whose
+///     `source` is an exact full-string match for a glossary name and whose `text != source` (a
+///     real edit) is collected. No substring matching. A name appearing inside a dialogue
+///     sentence is a different `source` string and is not a conflict.
+///   * A source with two or more distinct `text` values is a conflict.
+///
+/// `files` is `(display-name, json-text)`. An unparseable file is skipped. Errors are ignored
+/// here so one bad file cannot mask the rest. Returns the conflicts sorted by source for stable
+/// output.
+pub fn check_name_conflicts(files: &[(String, &str)]) -> Vec<Conflict> {
+    // Parse once, keeping (name, value) for the parseable files.
+    let parsed: Vec<(&str, Value)> = files
+        .iter()
+        .filter_map(|(name, json)| serde_json::from_str::<Value>(json).ok().map(|v| (name.as_str(), v)))
+        .collect();
+
+    // (1) The glossary-name set is every names.json source.
+    let mut name_sources: BTreeSet<String> = BTreeSet::new();
+    for (_, v) in &parsed {
+        collect_name_sources(v, &mut name_sources);
+    }
+
+    // (2) source -> text -> set of files that used it. Only sources that are glossary names, only
+    // non-identity edits. BTreeMap and BTreeSet keep the output deterministic.
+    let mut by_source: BTreeMap<String, BTreeMap<String, BTreeSet<String>>> = BTreeMap::new();
+    for (name, v) in &parsed {
+        let mut pairs = Vec::new();
+        collect_source_text_pairs(v, &mut pairs);
+        for (source, text) in pairs {
+            if source == text {
+                continue; // identity is untranslated, not a divergence.
+            }
+            if !name_sources.contains(&source) {
+                continue; // not a glossary name, or not an exact full-string match.
+            }
+            by_source
+                .entry(source)
+                .or_default()
+                .entry(text)
+                .or_default()
+                .insert((*name).to_string());
+        }
+    }
+
+    // (3) A source with two or more distinct translations is a conflict.
+    let mut conflicts = Vec::new();
+    for (source, variants) in by_source {
+        if variants.len() < 2 {
+            continue;
+        }
+        let variants = variants
+            .into_iter()
+            .map(|(text, files)| ConflictVariant {
+                text,
+                files: files.into_iter().collect(),
+            })
+            .collect();
+        conflicts.push(Conflict { source, variants });
+    }
+    conflicts
+}
+
+#[cfg(test)]
+mod tests {
+    use super::*;
+
+    #[test]
+    fn name_display_field_is_name_role_only() {
+        // The glossary owns name cells only (Role::Name), disjoint from the db-strings content path.
+        // The first string field is always a name, even with an empty or unknown label.
+        assert!(name_display_field(0, "Monster", "", "", true));
+        assert!(name_display_field(0, "Item", "謎ラベル", "謎ラベル", true));
+        // A recognised name field (not first) is kept: a 愛称 nickname or 呼び方 element name.
+        assert!(name_display_field(0, "Trainer", "愛称", "愛称", false));
+        assert!(name_display_field(0, "Element", "呼び方", "呼び方", false));
+        // `移動名` is a displayed location-banner name, so the glossary keeps it and the
+        // consistency machinery covers its by-name-key usage.
+        assert!(name_display_field(0, "Map", "日本語移動名", "Move Name", false));
+        // A description/dialogue field is content, not a name. The db-strings path owns it, not
+        // the glossary, so descriptions stay independently translatable even on the first column.
+        assert!(!name_display_field(0, "Skill", "説明", "Description", false));
+        assert!(!name_display_field(0, "Help", "説明", "Description", true));
+        // An unlabeled or unrecognised non-first field defaults to content, so the glossary drops
+        // it. The per-file path owns it, which is safer than forcing glossary consistency on an
+        // unknown label.
+        assert!(!name_display_field(0, "Misc", "謎ラベル", "謎ラベル", false));
+        // Genuinely-internal fields are never names.
+        assert!(!name_display_field(0, "Monster", "ファイル", "File", true));
+        assert!(!name_display_field(0, "Skill", "戦闘背景画像", "Graphic", false));
+        // Non-string type_byte never holds a string cell.
+        assert!(!name_display_field(2, "Monster", "名前", "Name", true));
+    }
+
+    #[test]
+    fn dbref_indices_match_prototype() {
+        let mk = |cid: u32, nstr: usize| RawCommand {
+            cid,
+            int_args: vec![],
+            indent: 0,
+            str_args: (0..nstr).map(|_| WStr::from("x")).collect(),
+            term: 0,
+            move_route: None,
+            v35_blob: None,
+        };
+        assert_eq!(dbref_str_indices(&mk(250, 4)), vec![2]);
+        assert_eq!(dbref_str_indices(&mk(252, 4)), vec![2]);
+        assert_eq!(dbref_str_indices(&mk(251, 3)), vec![1]);
+        assert_eq!(dbref_str_indices(&mk(112, 3)), vec![0, 1, 2]);
+        assert!(dbref_str_indices(&mk(101, 2)).is_empty());
+    }
+
+    #[test]
+    fn parse_name_map_drops_noops() {
+        let json = r#"{"kind":"names","names":[
+            {"source":"A","text":"Alpha","occurrences":3,"note":"T"},
+            {"source":"B","text":"B","occurrences":1,"note":"T"},
+            {"source":"","text":"x","occurrences":0,"note":""}
+        ]}"#;
+        let m = parse_name_map(json).unwrap();
+        assert_eq!(m.get("A").map(String::as_str), Some("Alpha"));
+        assert!(!m.contains_key("B")); // text equals source
+        assert!(!m.contains_key("")); // empty source
+        assert_eq!(m.len(), 1);
+    }
+
+    #[test]
+    fn names_json_is_deterministic_and_sorted() {
+        let entries = vec![
+            NameEntry { source: "ゼニ".into(), occurrences: 2, note: "Item".into() },
+            NameEntry { source: "あ".into(), occurrences: 5, note: "Monster".into() },
+        ];
+        let json = names_to_json(&entries);
+        assert!(json.contains("\"kind\": \"names\""));
+        assert!(json.contains("\"occurrences\": 2"));
+        // Both sources present. Rendering is stable for a given input order.
+        assert!(json.contains("ゼニ") && json.contains("あ"));
+        assert_eq!(json, names_to_json(&entries));
+    }
+
+    #[test]
+    fn conflict_check_flags_divergent_name_only() {
+        // A glossary names.json defines the name set. A db-strings file and the names file each
+        // translate the same exact name differently, giving one conflict. A description with two
+        // values is not a conflict since it is not a glossary name. Identity (text==source) is ignored.
+        let names = r#"{"kind":"names","names":[
+            {"source":"ブルノエール","text":"Brunoir","occurrences":3,"note":"Monster"},
+            {"source":"毒","text":"Poison","occurrences":1,"note":"Status"}
+        ]}"#;
+        let db = r#"{"kind":"db","groups":[{"type":0,"typeName":"Monster","lines":[
+            {"row":0,"field":0,"rowName":"x","fieldName":"Name","source":"ブルノエール","text":"Brunoire"},
+            {"row":1,"field":3,"rowName":"x","fieldName":"Description","source":"説明テキスト","text":"Desc A"}
+        ]}]}"#;
+        let scenes = r#"{"kind":"map","scenes":[{"event":1,"lines":[
+            {"cmd":0,"str":0,"speaker":"NPC","speaker_src":"x","source":"説明テキスト","text":"Desc B"},
+            {"cmd":1,"str":0,"speaker":"UI","speaker_src":"x","source":"毒","text":"Poison"}
+        ]}]}"#;
+        let files = vec![
+            ("names.json".to_string(), names),
+            ("DataBase.db.json".to_string(), db),
+            ("map.scenes.json".to_string(), scenes),
+        ];
+        let conflicts = check_name_conflicts(&files);
+        // Exactly one conflict: ブルノエール to {Brunoir, Brunoire}. 説明テキスト diverges too but is
+        // not a glossary name, so it is ignored. 毒 to Poison is consistent, identical everywhere.
+        assert_eq!(conflicts.len(), 1, "only the divergent NAME is a conflict");
+        let c = &conflicts[0];
+        assert_eq!(c.source, "ブルノエール");
+        let texts: Vec<&str> = c.variants.iter().map(|v| v.text.as_str()).collect();
+        assert!(texts.contains(&"Brunoir") && texts.contains(&"Brunoire"));
+        assert_eq!(c.variants.len(), 2);
+    }
+
+    #[test]
+    fn conflict_check_consistent_is_empty() {
+        // Same name translated identically everywhere means no conflict.
+        let names = r#"{"kind":"names","names":[{"source":"剣","text":"Sword","occurrences":2,"note":"Item"}]}"#;
+        let db = r#"{"kind":"db","groups":[{"type":0,"typeName":"Item","lines":[
+            {"row":0,"field":0,"rowName":"x","fieldName":"Name","source":"剣","text":"Sword"}
+        ]}]}"#;
+        let files = vec![
+            ("names.json".to_string(), names),
+            ("DataBase.db.json".to_string(), db),
+        ];
+        assert!(check_name_conflicts(&files).is_empty());
+    }
+
+    #[test]
+    fn conflict_check_substring_is_not_a_conflict() {
+        // A name appearing inside a dialogue sentence is a different full-string source, so two
+        // different sentence translations are not a name conflict. No substring matching.
+        let names = r#"{"kind":"names","names":[{"source":"剣","text":"Sword","occurrences":1,"note":"Item"}]}"#;
+        let scenes = r#"{"kind":"map","scenes":[{"event":1,"lines":[
+            {"cmd":0,"str":0,"speaker":"x","speaker_src":"x","source":"剣を手に入れた","text":"Got a sword"},
+            {"cmd":1,"str":0,"speaker":"x","speaker_src":"x","source":"剣を装備した","text":"Equipped a blade"}
+        ]}]}"#;
+        let files = vec![
+            ("names.json".to_string(), names),
+            ("map.scenes.json".to_string(), scenes),
+        ];
+        assert!(
+            check_name_conflicts(&files).is_empty(),
+            "a name inside a sentence is not an exact full-string match"
+        );
+    }
+}
diff --git a/util/wolfdawn-master/crates/wolf-decompiler/src/save.rs b/util/wolfdawn-master/crates/wolf-decompiler/src/save.rs
new file mode 100644
index 0000000..a510346
--- /dev/null
+++ b/util/wolfdawn-master/crates/wolf-decompiler/src/save.rs
@@ -0,0 +1,630 @@
+//! Wolf RPG `.sav` auto-update. Rewrites the baked game title and refreshes the baked
+//! player-facing strings so a pre-translation save loads cleanly in the translated build.
+//!
+//! A `.sav` bakes in two things that go stale after a fan translation:
+//!   1. The game identity/title. The translated build compares it against its own `Game.dat`
+//!      title and rejects a mismatch ("trying to load from another game").
+//!   2. Player-facing strings (item, skill, and mode names shown on the save-load screen) that
+//!      still read in the original language.
+//!
+//! [`update_save`] decrypts the save with [`wolf_core::codec::wolfsave`], optionally splices in a
+//! new title, replaces every baked length-prefixed string that exactly matches a translation
+//! source, then re-encrypts. It reuses the same `source -> target` translation map the rest of
+//! the pipeline applies to the game itself, so the save stays consistent with the translated
+//! data files.
+//!
+//! ## Save plaintext layout used here
+//! After the outer decrypt the buffer is plaintext. Byte `6 == 0x55` marks UTF-8 strings,
+//! otherwise Shift-JIS. Byte `0x14 == 0x19` marks a valid, parseable save. The title follows at
+//! `0x15` as a `u16` little-endian byte-length (counting a trailing NUL) plus that many bytes.
+//! The body further contains many `[u32 le byteLen][bytes][NUL]` records (the u32 counts the
+//! NUL) for the variable database and baked strings.
+//!
+//! ## GamePro Pro (marker-3) saves
+//! If the standard decrypt does not yield a valid save (`byte[0x14] != 0x19`) but the buffer is a
+//! GamePro Pro (marker-3) save (see [`save_pro`](crate::save_pro)), [`update_save`] decrypts the
+//! Pro inner, applies the same title-fix and baked-string refresh to it, then re-encrypts with
+//! [`save_pro::encrypt_pro`]. In the inner the `0x19` marker sits at offset 0, the title `u16`
+//! length at `inner[1..3]`, and the title bytes at `inner[3..]`. Only a buffer that is neither a
+//! standard save nor a detectable Pro save is refused with an `Err`.
+
+use std::collections::HashMap;
+
+use wolf_core::codec::wolfsave;
+
+use crate::save_pro;
+
+/// Marker byte (`0x19`) of a valid, parseable save. The title record follows immediately after.
+const VALID_MARKER: u8 = 0x19;
+/// Marker offset for a standard save's plaintext. The body marker lives at `0x14`.
+const STD_MARKER_OFFSET: usize = wolfsave::START_OFFSET; // 0x14
+/// Marker offset for a Pro inner save. The `0x19` marker lives at offset 0.
+const PRO_MARKER_OFFSET: usize = 0;
+/// Decrypted `byte[6] == 0x55` means strings are UTF-8, otherwise Shift-JIS. Only meaningful for
+/// the standard plaintext. The Pro inner carries no such head and is always UTF-8.
+const UTF8_FLAG_OFFSET: usize = 6;
+const UTF8_FLAG_VALUE: u8 = 0x55;
+/// Upper bound on a baked-string record's declared length.
+const MAX_RECORD_LEN: usize = 1024 * 1024;
+
+/// Which save codec a buffer uses, as reported by [`inspect_save`].
+#[derive(Debug, Clone, Copy, PartialEq, Eq)]
+pub enum SaveFormat {
+    /// The standard Wolf RPG `.sav` (the `0x19` body marker at `0x14` after the outer decrypt).
+    Standard,
+    /// A GamePro Pro (marker-3) save (see [`save_pro`](crate::save_pro)).
+    GameProPro,
+    /// Neither a standard save nor a detectable GamePro Pro save. Editing is not supported.
+    Unsupported,
+}
+
+impl SaveFormat {
+    /// A short human label for the format badge.
+    pub fn label(self) -> &'static str {
+        match self {
+            SaveFormat::Standard => "Standard",
+            SaveFormat::GameProPro => "GamePro Pro",
+            SaveFormat::Unsupported => "Unsupported",
+        }
+    }
+}
+
+/// The read-only contents of a save, for listing or editing in a UI before an [`update_save`]
+/// write.
+///
+/// Produced by [`inspect_save`]: the detected [`format`](Self::format), the baked
+/// [`title`](Self::title), the string [`encoding`](Self::encoding) (`"utf8"` or `"sjis"`), and
+/// every baked length-prefixed [`strings`](Self::strings) record found in the body. These are the
+/// same records [`update_save`] can replace.
+#[derive(Debug, Clone, PartialEq, Eq)]
+pub struct SaveInfo {
+    /// Which codec the save uses.
+    pub format: SaveFormat,
+    /// The baked game title (empty for an `Unsupported` save).
+    pub title: String,
+    /// The save's string encoding: `"utf8"` or `"sjis"`.
+    pub encoding: &'static str,
+    /// Every baked, length-prefixed string in the body, in file order. Deduplication is the
+    /// caller's choice. Empty for an `Unsupported` save.
+    pub strings: Vec<String>,
+}
+
+/// What [`update_save`] did to one save file.
+#[derive(Debug, Clone, Copy, PartialEq, Eq)]
+pub struct SaveUpdateStats {
+    /// The baked title was rewritten.
+    pub title_changed: bool,
+    /// How many baked length-prefixed strings were replaced via the translation map.
+    pub strings_replaced: usize,
+    /// The save's string encoding: `"utf8"` or `"sjis"`.
+    pub encoding: &'static str,
+}
+
+/// Update a single raw `.sav` buffer. Decrypt, optionally set a new title, refresh baked strings
+/// from `strings` (encoding-aware), and re-encrypt.
+///
+/// * `raw`: the on-disk encrypted save bytes.
+/// * `new_title`: `Some(title)` to rewrite the baked title literally, `None` to leave it.
+/// * `strings`: a `source -> target` map. Any baked record whose decoded text exactly equals a
+///   `source` is replaced with the encoded `target`, re-prefixed. Entries where `source ==
+///   target` or either side is empty are inert.
+///
+/// Returns the re-encrypted bytes plus [`SaveUpdateStats`], or `Err` if the save uses an
+/// unsupported encryption (`byte[0x14] != 0x19` after decrypt) or is too small to be a valid
+/// save.
+pub fn update_save(
+    raw: &[u8],
+    new_title: Option<&str>,
+    strings: &HashMap<String, String>,
+) -> Result<(Vec<u8>, SaveUpdateStats), String> {
+    let mut plain = wolfsave::decrypt(raw);
+
+    // Standard save: the body marker `0x19` is at 0x14, with the title length field after it.
+    if plain.len() > STD_MARKER_OFFSET + 2 && plain[STD_MARKER_OFFSET] == VALID_MARKER {
+        let utf8 = plain.get(UTF8_FLAG_OFFSET) == Some(&UTF8_FLAG_VALUE);
+        let title_changed = match new_title {
+            Some(t) => set_title(&mut plain, STD_MARKER_OFFSET, t, utf8)?,
+            None => false,
+        };
+        let strings_replaced = replace_baked_strings(&mut plain, strings, utf8);
+        let out = wolfsave::encrypt(&plain);
+        return Ok((
+            out,
+            SaveUpdateStats {
+                title_changed,
+                strings_replaced,
+                encoding: if utf8 { "utf8" } else { "sjis" },
+            },
+        ));
+    }
+
+    // GamePro Pro (marker-3) save: the standard decrypt produced no valid save, so try the Pro
+    // path. The Pro inner starts with the `0x19` marker at offset 0 and is always UTF-8.
+    if save_pro::is_pro_save(raw) {
+        let mut inner = save_pro::decrypt_pro(raw)?;
+        let utf8 = true;
+        let title_changed = match new_title {
+            Some(t) => set_title(&mut inner, PRO_MARKER_OFFSET, t, utf8)?,
+            None => false,
+        };
+        let strings_replaced = replace_baked_strings(&mut inner, strings, utf8);
+        let out = save_pro::encrypt_pro(&inner, &raw[..STD_MARKER_OFFSET])?;
+        return Ok((
+            out,
+            SaveUpdateStats {
+                title_changed,
+                strings_replaced,
+                encoding: "utf8",
+            },
+        ));
+    }
+
+    Err(
+        "unsupported save encryption (not a standard 0x19 save and not a detectable GamePro Pro \
+         marker-3 save); skipping to avoid corruption"
+            .to_string(),
+    )
+}
+
+/// Inspect a raw `.sav` buffer read-only. Detects its [`SaveFormat`], decodes the baked title,
+/// and lists every baked length-prefixed string in the body. Reuses the same decrypt, title-read,
+/// and record-scan as [`update_save`], so what `inspect_save` lists is exactly what `update_save`
+/// can rewrite.
+///
+/// Never panics. A save whose format is handled returns `Ok(SaveInfo{ format:
+/// Standard|GameProPro, .. })`. A buffer that is neither a standard `0x19` save nor a detectable
+/// GamePro Pro save returns `Ok(SaveInfo{ format: Unsupported, title: "", encoding: "utf8",
+/// strings: [] })` rather than an error, so a UI can show a clear "not supported" state. The only
+/// `Err` is a Pro-marker buffer whose inner decrypt itself fails (a corrupt or truncated Pro
+/// save).
+pub fn inspect_save(raw: &[u8]) -> Result<SaveInfo, String> {
+    let plain = wolfsave::decrypt(raw);
+
+    // Standard save: the body marker `0x19` is at 0x14.
+    if plain.len() > STD_MARKER_OFFSET + 2 && plain[STD_MARKER_OFFSET] == VALID_MARKER {
+        let utf8 = plain.get(UTF8_FLAG_OFFSET) == Some(&UTF8_FLAG_VALUE);
+        let title = read_title_at(&plain, STD_MARKER_OFFSET, utf8).unwrap_or_default();
+        let strings = collect_baked_strings(&plain, utf8);
+        return Ok(SaveInfo {
+            format: SaveFormat::Standard,
+            title,
+            encoding: if utf8 { "utf8" } else { "sjis" },
+            strings,
+        });
+    }
+
+    // GamePro Pro (marker-3) save. The Pro inner starts with `0x19` at offset 0 and is always UTF-8.
+    if save_pro::is_pro_save(raw) {
+        let inner = save_pro::decrypt_pro(raw)?;
+        let utf8 = true;
+        let title = read_title_at(&inner, PRO_MARKER_OFFSET, utf8).unwrap_or_default();
+        let strings = collect_baked_strings(&inner, utf8);
+        return Ok(SaveInfo {
+            format: SaveFormat::GameProPro,
+            title,
+            encoding: "utf8",
+            strings,
+        });
+    }
+
+    // Neither codec handled it. Report Unsupported rather than erroring, so the UI can disable
+    // editing with a clear note instead of failing.
+    Ok(SaveInfo {
+        format: SaveFormat::Unsupported,
+        title: String::new(),
+        encoding: "utf8",
+        strings: Vec::new(),
+    })
+}
+
+/// Read the baked title of a standard decrypted save (marker at `0x14`). Returns the decoded
+/// title with its trailing NUL stripped, or `None` for an unsupported or malformed buffer. Used
+/// by tests and callers that want to confirm a title write landed. For a Pro inner, use
+/// [`read_title_at`]`(inner, 0)`.
+pub fn read_title(plain: &[u8]) -> Option<String> {
+    let utf8 = plain.get(UTF8_FLAG_OFFSET) == Some(&UTF8_FLAG_VALUE);
+    read_title_at(plain, STD_MARKER_OFFSET, utf8)
+}
+
+/// Read the baked title given the marker offset (`0x14` for a standard plaintext, `0` for a Pro
+/// inner) and the file's string encoding. The title length `u16` sits at `marker+1` and the title
+/// bytes follow at `marker+3`. Returns the decoded title with its trailing NUL stripped.
+pub fn read_title_at(plain: &[u8], marker_offset: usize, utf8: bool) -> Option<String> {
+    let len_off = marker_offset + 1;
+    if plain.len() <= len_off + 1 || plain.get(marker_offset) != Some(&VALID_MARKER) {
+        return None;
+    }
+    let size = u16::from_le_bytes([plain[len_off], plain[len_off + 1]]) as usize;
+    let start = len_off + 2;
+    let end = start.checked_add(size)?;
+    if end > plain.len() {
+        return None;
+    }
+    let body = plain[start..end].strip_suffix(&[0u8])?; // the length counts a trailing NUL.
+    Some(decode(body, utf8))
+}
+
+/// Splice a new title into a decrypted buffer, shifting the remainder. `marker_offset` is `0x14`
+/// for a standard plaintext or `0` for a Pro inner. The title length `u16` lives at `marker+1`
+/// and the title bytes at `marker+3`. The on-disk form is `u16(len(bytes_with_nul)) +
+/// bytes_with_nul` in the file encoding. Returns `Ok(true)` on success, `Err` if the new title is
+/// not representable in the file's encoding.
+fn set_title(
+    plain: &mut Vec<u8>,
+    marker_offset: usize,
+    title: &str,
+    utf8: bool,
+) -> Result<bool, String> {
+    let len_off = marker_offset + 1;
+    let old_size = u16::from_le_bytes([plain[len_off], plain[len_off + 1]]) as usize;
+    let old_start = len_off + 2;
+    let old_end = old_start
+        .checked_add(old_size)
+        .filter(|&e| e <= plain.len())
+        .ok_or_else(|| "save title length runs past end of buffer".to_string())?;
+
+    let mut title_bytes = encode(title, utf8).ok_or_else(|| {
+        format!(
+            "new title not representable in {}: {title:?}",
+            if utf8 { "UTF-8" } else { "Shift-JIS" }
+        )
+    })?;
+    title_bytes.push(0); // the stored length counts the trailing NUL.
+    let len: u16 = title_bytes
+        .len()
+        .try_into()
+        .map_err(|_| "new title is too long to encode as a u16 length".to_string())?;
+
+    let mut replacement = Vec::with_capacity(2 + title_bytes.len());
+    replacement.extend_from_slice(&len.to_le_bytes());
+    replacement.extend_from_slice(&title_bytes);
+    // Splice from the old length field, inclusive, through the old title bytes, shifting the rest.
+    plain.splice(len_off..old_end, replacement);
+    Ok(true)
+}
+
+/// Try to decode the `[u32 le byteLen][bytes][NUL]` record starting at `offset`. Returns
+/// `Some((text, end))` when `offset` begins a valid record, else `None`. The tuple is the
+/// cleanly-decoded payload text with NUL stripped and the byte index one past the record. A
+/// record is valid when its declared length is `0 < len <= MAX_RECORD_LEN`, the record fits the
+/// buffer, the payload ends in exactly one NUL with none interior, and it decodes cleanly in the
+/// file encoding. This is the shared scan step used by both the read-only [`inspect_save`] walk
+/// and the replacing [`replace_baked_strings`] walk, so the two never disagree about what counts
+/// as a string record.
+fn read_record_at(plain: &[u8], offset: usize, utf8: bool) -> Option<(String, usize)> {
+    if offset + 5 > plain.len() {
+        return None;
+    }
+    let size = u32::from_le_bytes([
+        plain[offset],
+        plain[offset + 1],
+        plain[offset + 2],
+        plain[offset + 3],
+    ]) as usize;
+    let end = offset + 4 + size;
+    if size == 0 || size > MAX_RECORD_LEN || end > plain.len() {
+        return None;
+    }
+    let payload = &plain[offset + 4..end];
+    // Exactly one trailing NUL, none interior.
+    if payload.last() != Some(&0) || payload[..payload.len() - 1].contains(&0) {
+        return None;
+    }
+    let text = decode_strict(&payload[..payload.len() - 1], utf8)?;
+    Some((text, end))
+}
+
+/// Collect every baked length-prefixed string in the decrypted buffer, in file order, using the
+/// same record scan [`replace_baked_strings`] uses. Drives [`inspect_save`]'s string list.
+fn collect_baked_strings(plain: &[u8], utf8: bool) -> Vec<String> {
+    let mut out = Vec::new();
+    let mut offset = 0usize;
+    while offset + 5 <= plain.len() {
+        if let Some((text, end)) = read_record_at(plain, offset, utf8) {
+            out.push(text);
+            offset = end;
+        } else {
+            offset += 1;
+        }
+    }
+    out
+}
+
+/// Scan the decrypted buffer for `[u32 le byteLen][bytes][NUL]` records and replace any whose
+/// decoded text exactly matches a translation `source` with the encoded `target`, re-prefixed.
+///
+/// Uses the shared [`read_record_at`] scan step. The walk continues past each replacement using
+/// the new record's length, so adjacent records are still seen. Returns the number of records
+/// replaced.
+fn replace_baked_strings(
+    plain: &mut Vec<u8>,
+    strings: &HashMap<String, String>,
+    utf8: bool,
+) -> usize {
+    // Pre-encode the replacement records once. Skip no-op, empty, or unrepresentable entries.
+    let records: HashMap<String, Vec<u8>> = strings
+        .iter()
+        .filter(|(s, t)| !s.is_empty() && !t.is_empty() && s != t)
+        .filter_map(|(s, t)| encode_record(t, utf8).map(|rec| (s.clone(), rec)))
+        .collect();
+    if records.is_empty() {
+        return 0;
+    }
+
+    let mut count = 0usize;
+    let mut offset = 0usize;
+    while offset + 5 <= plain.len() {
+        match read_record_at(plain, offset, utf8) {
+            Some((text, end)) => {
+                if let Some(replacement) = records.get(&text) {
+                    let rep_len = replacement.len();
+                    plain.splice(offset..end, replacement.iter().copied());
+                    offset += rep_len;
+                    count += 1;
+                } else {
+                    // Valid record but no translation hit. Skip the whole record.
+                    offset = end;
+                }
+            }
+            None => offset += 1,
+        }
+    }
+    count
+}
+
+/// Build a length-prefixed record for `text`: `u32 le (bytes+NUL len) + bytes + NUL`. Returns
+/// `None` if `text` is not representable in the file encoding.
+fn encode_record(text: &str, utf8: bool) -> Option<Vec<u8>> {
+    let mut bytes = encode(text, utf8)?;
+    bytes.push(0);
+    let len = u32::try_from(bytes.len()).ok()?;
+    let mut rec = Vec::with_capacity(4 + bytes.len());
+    rec.extend_from_slice(&len.to_le_bytes());
+    rec.extend_from_slice(&bytes);
+    Some(rec)
+}
+
+/// Encode `text` into the file encoding (UTF-8 as-is, or Shift-JIS/CP932). `None` if a character
+/// is not representable in Shift-JIS.
+fn encode(text: &str, utf8: bool) -> Option<Vec<u8>> {
+    if utf8 {
+        Some(text.as_bytes().to_vec())
+    } else {
+        let (bytes, _, had_err) = encoding_rs::SHIFT_JIS.encode(text);
+        (!had_err).then(|| bytes.into_owned())
+    }
+}
+
+/// Lossy decode for display (used to read a title back).
+fn decode(bytes: &[u8], utf8: bool) -> String {
+    if utf8 {
+        String::from_utf8_lossy(bytes).into_owned()
+    } else {
+        encoding_rs::SHIFT_JIS.decode(bytes).0.into_owned()
+    }
+}
+
+/// Strict decode used by the record scanner. `None` if the bytes do not decode cleanly in the
+/// file encoding, so a binary record is never mistaken for a translatable string.
+fn decode_strict(bytes: &[u8], utf8: bool) -> Option<String> {
+    if utf8 {
+        std::str::from_utf8(bytes).ok().map(str::to_owned)
+    } else {
+        let (text, _, had_err) = encoding_rs::SHIFT_JIS.decode(bytes);
+        (!had_err).then(|| text.into_owned())
+    }
+}
+
+#[cfg(test)]
+mod tests {
+    use super::*;
+
+    /// Resolve a fixture by its clean relative path under `WOLFDAWN_TEST_DATA`. Returns `None` when
+    /// the var is unset or the file is missing, so the fixture-backed tests skip gracefully.
+    fn test_data(rel: &str) -> Option<std::path::PathBuf> {
+        let base = std::env::var_os("WOLFDAWN_TEST_DATA")?;
+        let p = std::path::Path::new(&base).join(rel);
+        p.exists().then_some(p)
+    }
+
+    /// Assemble a minimal synthetic decrypted save: a 0x14-byte head with the markers set, a
+    /// title record at 0x15, then `body` such as baked string records. Encoding is UTF-8.
+    fn build_plain(title: &str, body: &[u8]) -> Vec<u8> {
+        let mut p = vec![0u8; wolfsave::START_OFFSET];
+        p[UTF8_FLAG_OFFSET] = UTF8_FLAG_VALUE; // UTF-8 flag
+        p.push(VALID_MARKER); // byte 0x14, valid-save marker
+        // Title record at 0x15.
+        let mut tb = title.as_bytes().to_vec();
+        tb.push(0);
+        p.extend_from_slice(&(tb.len() as u16).to_le_bytes());
+        p.extend_from_slice(&tb);
+        p.extend_from_slice(body);
+        p
+    }
+
+    fn record(text: &str) -> Vec<u8> {
+        encode_record(text, true).unwrap()
+    }
+
+    #[test]
+    fn title_read_back_after_set() {
+        let mut p = build_plain("元のタイトル", &[]);
+        assert_eq!(read_title(&p).as_deref(), Some("元のタイトル"));
+        set_title(&mut p, STD_MARKER_OFFSET, "New Title", true).unwrap();
+        assert_eq!(read_title(&p).as_deref(), Some("New Title"));
+        // Marker still intact after the length shift.
+        assert_eq!(p[STD_MARKER_OFFSET], VALID_MARKER);
+    }
+
+    #[test]
+    fn baked_string_replacement_shifts_and_continues() {
+        // Two adjacent records. Only the first is translated. The scan must still see the second.
+        let mut body = record("こんにちは");
+        body.extend_from_slice(&record("Keep me"));
+        let mut p = build_plain("T", &body);
+
+        let mut map = HashMap::new();
+        map.insert("こんにちは".to_string(), "Hello".to_string());
+        let n = replace_baked_strings(&mut p, &map, true);
+        assert_eq!(n, 1);
+
+        // The replaced record now decodes to the target. "Keep me" is untouched and still present.
+        // Re-scan for "Hello" by reading the record right after the title.
+        let len_off = STD_MARKER_OFFSET + 1;
+        let title_len = u16::from_le_bytes([p[len_off], p[len_off + 1]]) as usize;
+        let mut off = len_off + 2 + title_len;
+        let size =
+            u32::from_le_bytes([p[off], p[off + 1], p[off + 2], p[off + 3]]) as usize;
+        let payload = &p[off + 4..off + 4 + size];
+        assert_eq!(&payload[..payload.len() - 1], b"Hello");
+        off += 4 + size;
+        let size2 =
+            u32::from_le_bytes([p[off], p[off + 1], p[off + 2], p[off + 3]]) as usize;
+        let payload2 = &p[off + 4..off + 4 + size2];
+        assert_eq!(&payload2[..payload2.len() - 1], b"Keep me");
+    }
+
+    #[test]
+    fn update_save_roundtrips_with_no_changes() {
+        let mut p = build_plain("チャンバーゲーム", &record("アイテム"));
+        // Give the synthetic plaintext a correct checksum so a no-op re-encrypt is byte-exact.
+        // A real save already has this. `update_save` recomputes byte 2 on every write.
+        wolfsave::fix_checksum(&mut p);
+        let raw = wolfsave::encrypt(&p);
+        let (out, stats) = update_save(&raw, None, &HashMap::new()).unwrap();
+        assert!(!stats.title_changed);
+        assert_eq!(stats.strings_replaced, 0);
+        assert_eq!(stats.encoding, "utf8");
+        // Decrypting the output reproduces the original plaintext.
+        assert_eq!(wolfsave::decrypt(&out), p);
+    }
+
+    #[test]
+    fn update_save_rejects_unsupported() {
+        // byte[0x14] != 0x19 is unsupported.
+        let mut p = build_plain("T", &[]);
+        p[wolfsave::START_OFFSET] = 0x68;
+        let raw = wolfsave::encrypt(&p);
+        let err = update_save(&raw, Some("X"), &HashMap::new()).unwrap_err();
+        assert!(err.contains("unsupported"), "got: {err}");
+    }
+
+    #[test]
+    fn update_save_sets_title_and_replaces() {
+        let p = build_plain("旧題", &record("ルビー"));
+        let raw = wolfsave::encrypt(&p);
+        let mut map = HashMap::new();
+        map.insert("ルビー".to_string(), "Ruby".to_string());
+        let (out, stats) = update_save(&raw, Some("Translated Title"), &map).unwrap();
+        assert!(stats.title_changed);
+        assert_eq!(stats.strings_replaced, 1);
+        let plain = wolfsave::decrypt(&out);
+        assert_eq!(read_title(&plain).as_deref(), Some("Translated Title"));
+    }
+
+    /// `inspect_save` on a synthetic standard save reports the format, encoding, title, and the
+    /// baked strings. `update_save` with an `{old->new}` map drawn from that list round-trips, so
+    /// a re-inspect shows the new string and title.
+    #[test]
+    fn inspect_then_update_round_trips_synthetic() {
+        let mut body = record("アイテム");
+        body.extend_from_slice(&record("スキル"));
+        let p = build_plain("元のタイトル", &body);
+        let raw = wolfsave::encrypt(&p);
+
+        let info = inspect_save(&raw).expect("inspect");
+        assert_eq!(info.format, SaveFormat::Standard);
+        assert_eq!(info.encoding, "utf8");
+        assert_eq!(info.title, "元のタイトル");
+        assert!(info.strings.contains(&"アイテム".to_string()));
+        assert!(info.strings.contains(&"スキル".to_string()));
+
+        // Build the {old->new} map from inspect's own list, then update the title and one string.
+        let original = info.strings[0].clone();
+        let mut map = HashMap::new();
+        map.insert(original.clone(), "Item".to_string());
+        let (out, stats) = update_save(&raw, Some("New Title"), &map).unwrap();
+        assert!(stats.title_changed);
+        assert_eq!(stats.strings_replaced, 1);
+
+        // Re-inspect the written bytes. The new title and string are present, the old string is gone.
+        let re = inspect_save(&out).expect("re-inspect");
+        assert_eq!(re.format, SaveFormat::Standard);
+        assert_eq!(re.title, "New Title");
+        assert!(re.strings.contains(&"Item".to_string()));
+        assert!(!re.strings.contains(&original));
+    }
+
+    /// `inspect_save` returns `Unsupported` for a non-save buffer, never panicking or erroring.
+    #[test]
+    fn inspect_unsupported_buffer() {
+        // byte[0x14] != 0x19 and not a Pro save is Unsupported.
+        let mut p = build_plain("T", &[]);
+        p[wolfsave::START_OFFSET] = 0x68;
+        let raw = wolfsave::encrypt(&p);
+        let info = inspect_save(&raw).expect("inspect should not error");
+        assert_eq!(info.format, SaveFormat::Unsupported);
+        assert!(info.title.is_empty());
+        assert!(info.strings.is_empty());
+    }
+
+    /// On a real save fixture, skipped if absent, `inspect_save` returns a non-empty title and the
+    /// `update_save` map drawn from `inspect_save(...).strings` round-trips through a re-inspect.
+    #[test]
+    fn inspect_then_update_round_trips_real_save() {
+        let candidates = ["chamber/SaveData01.sav", "pachimon/SaveData01.sav"];
+        let mut ran = 0;
+        for rel in candidates {
+            let Some(path) = test_data(rel) else {
+                continue;
+            };
+            let Ok(raw) = std::fs::read(&path) else {
+                continue;
+            };
+            let path = path.display();
+            let info = match inspect_save(&raw) {
+                Ok(i) if i.format != SaveFormat::Unsupported => i,
+                _ => continue,
+            };
+            ran += 1;
+            assert!(!info.title.is_empty(), "{path}: title should not be empty");
+
+            // Pick the first baked string that can re-encode in this save's encoding and rewrite it.
+            let new_title = format!("{} [T]", info.title);
+            let mut map = HashMap::new();
+            let mut chosen: Option<String> = None;
+            for s in &info.strings {
+                if s.is_empty() || s.contains('[') {
+                    continue;
+                }
+                let edited = format!("{s} X");
+                if encode(&edited, info.encoding == "utf8").is_some() {
+                    map.insert(s.clone(), edited.clone());
+                    chosen = Some(edited);
+                    break;
+                }
+            }
+
+            let (out, stats) =
+                update_save(&raw, Some(&new_title), &map).expect("update real save");
+            assert!(stats.title_changed);
+            assert_eq!(stats.encoding, info.encoding);
+
+            let re = inspect_save(&out).expect("re-inspect real save");
+            assert_eq!(re.format, info.format, "{path}: format must be preserved");
+            assert_eq!(re.title, new_title, "{path}: new title should re-inspect");
+            if let Some(edited) = chosen {
+                // The same baked text can appear in several save slots. All matching records are
+                // replaced, so assert at least one rather than exactly one.
+                assert!(stats.strings_replaced >= 1);
+                assert!(
+                    re.strings.contains(&edited),
+                    "{path}: the edited baked string should re-inspect"
+                );
+            }
+        }
+        if ran == 0 {
+            eprintln!("skip inspect_then_update_round_trips_real_save: no save fixture present");
+        }
+    }
+}
diff --git a/util/wolfdawn-master/crates/wolf-decompiler/src/save_pro.rs b/util/wolfdawn-master/crates/wolf-decompiler/src/save_pro.rs
new file mode 100644
index 0000000..57a990f
--- /dev/null
+++ b/util/wolfdawn-master/crates/wolf-decompiler/src/save_pro.rs
@@ -0,0 +1,345 @@
+//! GamePro Pro (marker-3) `.sav` codec. The newer Wolf RPG "Pro" save encryption used by some
+//! GamePro-Pro titles. Where the standard outer codec ([`wolf_core::codec::wolfsave`]) is a 3-pass
+//! MSVCRT-`rand` XOR, the Pro path layers an MT19937-keyed XOR keystream, a self-inverse 20-byte
+//! block swap, and an LZ4-compressed body, plus a checksum-derived 16-bit key the game validates
+//! on load.
+//!
+//! Verified to decrypt a real GamePro-Pro save identically to the game and to round-trip
+//! encrypt then decrypt. The algorithm is summarised inline below.
+//!
+//! ## On-disk layout
+//! `[0x00..0x14] plaintext header` then the encrypted body
+//! `[u32-LE uncompLen][u32-LE compLen][LZ4 block]`. The body, everything from `0x14`, is
+//! enciphered. The decrypted inner save begins with the `0x19` title marker at offset 0, not at
+//! `0x14` as in a standard save. The `u16` title length sits at `inner[1..3]` and the title bytes
+//! follow at `inner[3..]`.
+//!
+//! ## Pipeline
+//! * seed3 = `{file[0], file[1], file[5]}`. If all three are zero the body is plain, no cipher.
+//! * MT seed = `combined = (s0<<16)|(s1<<8)|s2` folded through one xorshift32 round.
+//! * padtable[128] = the low byte of each of the first 128 MT19937 outputs.
+//! * block_swap = swap `file[0x16..0x2a]` with `file[0x5c..0x70]`, self-inverse.
+//! * xor = `buf[off] ^= padtable[off & 0x7f]` for `off` in `0x14..len`.
+//! * Decrypt: block_swap, then xor, then LZ4-decompress the framed body.
+//! * Encrypt: LZ4-compress, frame, write key16 into the header, xor, then block_swap.
+
+use wolf_core::codec::lz4;
+
+/// First body offset. Bytes `0x00..0x14` (the header) are never enciphered.
+const BODY_OFFSET: usize = 0x14;
+/// The two 20-byte regions exchanged by [`block_swap`]: `file[0x16..0x2a]` and `file[0x5c..0x70]`.
+const SWAP_A: usize = 0x16;
+const SWAP_B: usize = 0x5c;
+const SWAP_LEN: usize = 0x14;
+/// `block_swap`, and therefore the whole Pro cipher, needs at least this many bytes.
+const MIN_FILE_SIZE: usize = SWAP_B + SWAP_LEN; // 0x70
+/// The XOR pad table length. Indexed by `off & 0x7f`.
+const PAD_LEN: usize = 128;
+/// The decrypted inner save's valid-save marker, at inner offset 0.
+pub const INNER_MARKER: u8 = 0x19;
+
+// ---------------------------------------------------------------------------------------------
+// MT19937 + seeding
+// ---------------------------------------------------------------------------------------------
+
+const N: usize = 624;
+const M: usize = 397;
+const MATRIX_A: u32 = 0x9908_b0df;
+const UPPER_MASK: u32 = 0x8000_0000;
+const LOWER_MASK: u32 = 0x7fff_ffff;
+
+/// Standard MT19937. Init constant 1812433253, temper masks 0x9d2c5680 and 0xefc60000.
+struct Mt19937 {
+    mt: [u32; N],
+    idx: usize,
+}
+
+impl Mt19937 {
+    fn new(seed: u32) -> Self {
+        let mut mt = [0u32; N];
+        mt[0] = seed;
+        for i in 1..N {
+            mt[i] = 1_812_433_253u32
+                .wrapping_mul(mt[i - 1] ^ (mt[i - 1] >> 30))
+                .wrapping_add(i as u32);
+        }
+        Mt19937 { mt, idx: N }
+    }
+
+    fn next_u32(&mut self) -> u32 {
+        if self.idx >= N {
+            for i in 0..N {
+                let y = (self.mt[i] & UPPER_MASK) | (self.mt[(i + 1) % N] & LOWER_MASK);
+                let mut next = self.mt[(i + M) % N] ^ (y >> 1);
+                if y & 1 != 0 {
+                    next ^= MATRIX_A;
+                }
+                self.mt[i] = next;
+            }
+            self.idx = 0;
+        }
+        let mut y = self.mt[self.idx];
+        self.idx += 1;
+        y ^= y >> 11;
+        y ^= (y << 7) & 0x9d2c_5680;
+        y ^= (y << 15) & 0xefc6_0000;
+        y ^= y >> 18;
+        y
+    }
+}
+
+/// Derive the MT seed from the three header seed bytes. Assemble big-endian
+/// `combined = (s0<<16)|(s1<<8)|s2`, then run one xorshift32 round (`x^=x<<13`, `x^=x>>17`,
+/// `x^=x<<5`).
+fn mt_seed_from_bytes(s0: u8, s1: u8, s2: u8) -> u32 {
+    let mut x = ((s0 as u32) << 16) | ((s1 as u32) << 8) | (s2 as u32);
+    x ^= x << 13;
+    x ^= x >> 17;
+    x ^= x << 5;
+    x
+}
+
+/// Build the 128-byte XOR pad table from the low byte of each of the first 128 MT19937 outputs.
+fn build_padtable(s0: u8, s1: u8, s2: u8) -> [u8; PAD_LEN] {
+    let mut mt = Mt19937::new(mt_seed_from_bytes(s0, s1, s2));
+    let mut pad = [0u8; PAD_LEN];
+    for slot in pad.iter_mut() {
+        *slot = (mt.next_u32() & 0xff) as u8;
+    }
+    pad
+}
+
+// ---------------------------------------------------------------------------------------------
+// block swap and xor cipher (both operate in place)
+// ---------------------------------------------------------------------------------------------
+
+/// Swap the two 20-byte blocks `buf[0x16..0x2a]` and `buf[0x5c..0x70]`. Self-inverse, so the same
+/// call appears in both the decrypt and encrypt pipelines. The caller guarantees `buf.len() >=
+/// 0x70`.
+fn block_swap(buf: &mut [u8]) {
+    debug_assert!(buf.len() >= MIN_FILE_SIZE);
+    for i in 0..SWAP_LEN {
+        buf.swap(SWAP_A + i, SWAP_B + i);
+    }
+}
+
+/// XOR the body (`buf[0x14..]`) with the repeating 128-byte pad, indexed by `off & 0x7f`.
+fn xor_cipher(buf: &mut [u8], pad: &[u8; PAD_LEN]) {
+    for (off, byte) in buf.iter_mut().enumerate().skip(BODY_OFFSET) {
+        *byte ^= pad[off & (PAD_LEN - 1)];
+    }
+}
+
+// ---------------------------------------------------------------------------------------------
+// key16 (the game validates this on marker-3 load, and a mismatch fails the load)
+// ---------------------------------------------------------------------------------------------
+
+/// Fold the decompressed inner save into the 16-bit key the game stores at
+/// `header[7] | header[4]<<8`.
+///
+/// `v5` is the XOR of the 16-byte-aligned prefix `inner[0 .. 16*(len/16)]`. `v13` is the XOR of
+/// every inner byte. Both are taken as 16-bit values with a zero high byte. `a4 = header[9]`, and
+/// `a4 % 3` selects one of three polynomials.
+pub fn key16(inner: &[u8], a4: u8) -> u16 {
+    let aligned = (inner.len() / 16) * 16;
+    let mut v5: u32 = 0;
+    for &b in &inner[..aligned] {
+        v5 ^= b as u32;
+    }
+    let mut v13 = v5;
+    for &b in &inner[aligned..] {
+        v13 ^= b as u32;
+    }
+    v5 &= 0xffff;
+    v13 &= 0xffff;
+
+    let a4 = a4 as u32;
+    let na = !a4; // ~a4 over u32
+    let key = match a4 % 3 {
+        0 => 7u32.wrapping_mul(v13 ^ a4).wrapping_add(17),
+        1 => a4.wrapping_add(v13 ^ (((16 * a4) | (a4 >> 4)) ^ 0x55)),
+        _ => a4 ^ (3u32.wrapping_mul((v5 ^ na).wrapping_add(51)) & 0xffff),
+    };
+    (key & 0xffff) as u16
+}
+
+// ---------------------------------------------------------------------------------------------
+// public codec API
+// ---------------------------------------------------------------------------------------------
+
+/// Decrypt a raw Pro (marker-3) `.sav` buffer into its inner save: the LZ4-decompressed
+/// plaintext, beginning with the `0x19` title marker at offset 0.
+///
+/// Returns `Err` if the buffer is too small for the Pro cipher, the framed lengths are
+/// inconsistent, or LZ4 decompression fails. If the three seed bytes are all zero the body is
+/// stored plain and the framed body is decompressed directly.
+pub fn decrypt_pro(raw: &[u8]) -> Result<Vec<u8>, String> {
+    if raw.len() < BODY_OFFSET {
+        return Err(format!(
+            "pro save too small ({} bytes; need at least {BODY_OFFSET})",
+            raw.len()
+        ));
+    }
+    let (s0, s1, s2) = (raw[0], raw[1], raw[5]);
+
+    let mut buf = raw.to_vec();
+    // No cipher when the seed bytes are all zero. The body is stored plain. The block_swap regions
+    // only exist for files of at least 0x70 bytes, and an enciphered file is always larger.
+    if (s0 | s1 | s2) != 0 {
+        if raw.len() < MIN_FILE_SIZE {
+            return Err(format!(
+                "pro save too small for the block swap ({} bytes; need at least {MIN_FILE_SIZE})",
+                raw.len()
+            ));
+        }
+        let pad = build_padtable(s0, s1, s2);
+        block_swap(&mut buf); // unscramble.
+        xor_cipher(&mut buf, &pad); // xor-decrypt the body.
+    }
+
+    decompress_framed(&buf)
+}
+
+/// Decompress the framed body `[u32 uncompLen][u32 compLen][LZ4 block]` at offset `0x14`.
+fn decompress_framed(buf: &[u8]) -> Result<Vec<u8>, String> {
+    let frame = buf
+        .get(BODY_OFFSET..)
+        .ok_or_else(|| "pro save: missing body".to_string())?;
+    if frame.len() < 8 {
+        return Err("pro save: body shorter than the 8-byte LZ4 frame header".to_string());
+    }
+    let uncomp_len = u32::from_le_bytes([frame[0], frame[1], frame[2], frame[3]]) as usize;
+    let comp_len = u32::from_le_bytes([frame[4], frame[5], frame[6], frame[7]]) as usize;
+    let block = frame
+        .get(8..8 + comp_len)
+        .ok_or_else(|| "pro save: compressed body runs past end of buffer".to_string())?;
+    lz4::decompress_block(block, uncomp_len).map_err(|e| format!("pro save: LZ4 decode failed: {e}"))
+}
+
+/// Re-encrypt an inner save back into a raw Pro (marker-3) `.sav`, reusing the original 20-byte
+/// `header20` (seed bytes, format markers, `a4`, and so on) and stamping in the freshly computed
+/// `key16` so the game's load-time validation passes.
+///
+/// `header20` must be at least 20 bytes. The first 20 are used. This is the inverse of
+/// [`decrypt_pro`]: LZ4-compress the inner, frame it, write `key16` into `header[7]`/`header[4]`,
+/// xor-encrypt the body, then block_swap.
+pub fn encrypt_pro(inner: &[u8], header20: &[u8]) -> Result<Vec<u8>, String> {
+    if header20.len() < BODY_OFFSET {
+        return Err(format!(
+            "pro save: header is {} bytes; need at least {BODY_OFFSET}",
+            header20.len()
+        ));
+    }
+    let mut header = header20[..BODY_OFFSET].to_vec();
+    let (s0, s1, s2) = (header[0], header[1], header[5]);
+    let a4 = header[9];
+
+    // The key the game validates folds the decompressed inner.
+    let key = key16(inner, a4);
+    header[7] = (key & 0xff) as u8;
+    header[4] = ((key >> 8) & 0xff) as u8;
+
+    // LZ4-compress the inner and build the framed body [u32 uncompLen][u32 compLen][block].
+    let block = lz4::compress_block(inner);
+    let mut buf = Vec::with_capacity(BODY_OFFSET + 8 + block.len());
+    buf.extend_from_slice(&header);
+    buf.extend_from_slice(&(inner.len() as u32).to_le_bytes());
+    buf.extend_from_slice(&(block.len() as u32).to_le_bytes());
+    buf.extend_from_slice(&block);
+
+    // Inverse cipher order: xor-encrypt the body, then block_swap. The block_swap regions only
+    // exist when the file is at least 0x70 bytes. A seedless save with no cipher has no such floor.
+    if (s0 | s1 | s2) != 0 {
+        if buf.len() < MIN_FILE_SIZE {
+            return Err(format!(
+                "pro save: enciphered output too small ({} bytes; block_swap needs at least \
+                 {MIN_FILE_SIZE})",
+                buf.len()
+            ));
+        }
+        let pad = build_padtable(s0, s1, s2);
+        xor_cipher(&mut buf, &pad);
+        block_swap(&mut buf);
+    }
+    Ok(buf)
+}
+
+/// Detect a Pro (marker-3) save. Attempts the Pro decrypt and confirms the inner save begins with
+/// the `0x19` title marker. It does not trust a header magic byte alone, so it returns `false` for
+/// standard saves and for malformed input.
+pub fn is_pro_save(raw: &[u8]) -> bool {
+    matches!(decrypt_pro(raw), Ok(inner) if inner.first() == Some(&INNER_MARKER))
+}
+
+#[cfg(test)]
+mod tests {
+    use super::*;
+
+    #[test]
+    fn mt_seed_matches_reference() {
+        // {0x05, 0xb2, 0xdb} are the real GamePro-Pro seed bytes.
+        let seed = mt_seed_from_bytes(0x05, 0xb2, 0xdb);
+        // combined = 0x05b2db, then one xorshift32 round.
+        let mut x = 0x05b2dbu32;
+        x ^= x << 13;
+        x ^= x >> 17;
+        x ^= x << 5;
+        assert_eq!(seed, x);
+    }
+
+    #[test]
+    fn block_swap_is_self_inverse() {
+        let mut buf: Vec<u8> = (0..0x80u8).collect();
+        let orig = buf.clone();
+        block_swap(&mut buf);
+        assert_ne!(buf, orig, "swap must change the buffer");
+        block_swap(&mut buf);
+        assert_eq!(buf, orig, "swap is self-inverse");
+    }
+
+    #[test]
+    fn xor_cipher_is_self_inverse() {
+        let pad = build_padtable(1, 2, 3);
+        let mut buf: Vec<u8> = (0..200u8).collect();
+        let orig = buf.clone();
+        xor_cipher(&mut buf, &pad);
+        assert_ne!(&buf[BODY_OFFSET..], &orig[BODY_OFFSET..]);
+        assert_eq!(&buf[..BODY_OFFSET], &orig[..BODY_OFFSET], "head untouched");
+        xor_cipher(&mut buf, &pad);
+        assert_eq!(buf, orig);
+    }
+
+    #[test]
+    fn roundtrip_synthetic_inner() {
+        // A synthetic inner save, which must start with the 0x19 marker.
+        let mut inner = vec![INNER_MARKER, 0x05, 0x00, b'A', b'B', b'C', b'D', 0x00];
+        inner.extend((0..2000u32).map(|i| (i % 251) as u8));
+
+        // A header with nonzero seeds so the cipher actually runs.
+        let mut header = vec![0u8; BODY_OFFSET];
+        header[0] = 0x05;
+        header[1] = 0xb2;
+        header[5] = 0xdb;
+        header[9] = 0x32;
+
+        let enc = encrypt_pro(&inner, &header).expect("encrypt");
+        assert!(is_pro_save(&enc), "produced save must be detected as Pro");
+        let dec = decrypt_pro(&enc).expect("decrypt");
+        assert_eq!(dec, inner, "encrypt then decrypt must be identity");
+
+        // key16 stored in the header must validate against the inner.
+        let stored = enc[7] as u16 | ((enc[4] as u16) << 8);
+        assert_eq!(stored, key16(&inner, header[9]));
+    }
+
+    #[test]
+    fn seedless_save_is_plain_body() {
+        // All-zero seeds: the body is plain with no cipher, but still LZ4-framed.
+        let mut inner = vec![INNER_MARKER, 0x01, 0x00, b'X', 0x00];
+        inner.extend(std::iter::repeat(0xAB).take(300));
+        let header = vec![0u8; BODY_OFFSET]; // seeds s0,s1,s5 all zero
+        let enc = encrypt_pro(&inner, &header).expect("encrypt");
+        let dec = decrypt_pro(&enc).expect("decrypt");
+        assert_eq!(dec, inner);
+    }
+}
diff --git a/util/wolfdawn-master/crates/wolf-decompiler/src/spec.rs b/util/wolfdawn-master/crates/wolf-decompiler/src/spec.rs
new file mode 100644
index 0000000..6bed3c4
--- /dev/null
+++ b/util/wolfdawn-master/crates/wolf-decompiler/src/spec.rs
@@ -0,0 +1,117 @@
+//! The command reference. Argument schemas for every Wolf command id and move-route
+//! sub-command, loaded from `data/commands.json`. Drives bespoke rendering so no command
+//! falls back to an unlabeled dump.
+
+use std::collections::HashMap;
+use std::sync::OnceLock;
+
+use serde::Deserialize;
+
+static REFERENCE_JSON: &str = include_str!("../data/commands.json");
+
+#[derive(Debug, Deserialize)]
+struct Reference {
+    commands: Vec<CommandSpec>,
+    #[serde(default)]
+    route_commands: Vec<RouteSpec>,
+}
+
+#[derive(Debug, Clone, Deserialize)]
+pub struct CommandSpec {
+    pub cid: u32,
+    pub name: String,
+    #[serde(default)]
+    pub int_args: Vec<IntField>,
+    #[serde(default)]
+    pub string_args: Vec<StrField>,
+}
+
+#[derive(Debug, Clone, Deserialize)]
+pub struct IntField {
+    pub label: String,
+    #[serde(default)]
+    pub kind: String,
+}
+
+#[derive(Debug, Clone, Deserialize)]
+pub struct StrField {
+    #[allow(dead_code)]
+    pub label: String,
+    #[serde(default)]
+    pub role: String,
+}
+
+#[derive(Debug, Clone, Deserialize)]
+pub struct RouteSpec {
+    pub id: u32,
+    pub name: String,
+    #[serde(default)]
+    pub args: String,
+}
+
+struct Tables {
+    commands: HashMap<u32, CommandSpec>,
+    routes: HashMap<u32, RouteSpec>,
+}
+
+fn tables() -> &'static Tables {
+    static TABLES: OnceLock<Tables> = OnceLock::new();
+    TABLES.get_or_init(|| {
+        // The data file may carry a UTF-8 BOM (Windows PowerShell export); strip it.
+        let json = REFERENCE_JSON.trim_start_matches('\u{feff}');
+        let reference: Reference =
+            serde_json::from_str(json).expect("embedded data/commands.json failed to parse");
+        let commands = reference.commands.into_iter().map(|c| (c.cid, c)).collect();
+        let routes = reference
+            .route_commands
+            .into_iter()
+            .map(|r| (r.id, r))
+            .collect();
+        Tables { commands, routes }
+    })
+}
+
+/// Argument schema for a command id, if catalogued.
+pub fn command(cid: u32) -> Option<&'static CommandSpec> {
+    tables().commands.get(&cid)
+}
+
+/// Display name for a command id (falls back to `Cmd<cid>`).
+pub fn command_name(cid: u32) -> String {
+    command(cid)
+        .map(|c| c.name.clone())
+        .unwrap_or_else(|| format!("Cmd{cid}"))
+}
+
+/// Reverse lookup: command id for a display name (for the recompiler).
+pub fn cid_for_name(name: &str) -> Option<u32> {
+    tables()
+        .commands
+        .values()
+        .find(|c| c.name == name)
+        .map(|c| c.cid)
+}
+
+/// Name of a move-route sub-command id (falls back to `route<id>`).
+pub fn route_name(id: u32) -> String {
+    tables()
+        .routes
+        .get(&id)
+        .map(|r| r.name.clone())
+        .unwrap_or_else(|| format!("route{id}"))
+}
+
+/// Reverse lookup: move-route sub-command id for a display name (for the recompiler).
+/// Accepts the `route<id>` fallback form too.
+pub fn route_id_for_name(name: &str) -> Option<u32> {
+    if let Some(rest) = name.strip_prefix("route") {
+        if let Ok(id) = rest.parse::<u32>() {
+            return Some(id);
+        }
+    }
+    tables()
+        .routes
+        .values()
+        .find(|r| r.name == name)
+        .map(|r| r.id)
+}
diff --git a/util/wolfdawn-master/crates/wolf-decompiler/src/strings.rs b/util/wolfdawn-master/crates/wolf-decompiler/src/strings.rs
new file mode 100644
index 0000000..079c3a4
--- /dev/null
+++ b/util/wolfdawn-master/crates/wolf-decompiler/src/strings.rs
@@ -0,0 +1,2339 @@
+//! Player-facing text extraction and injection for translation. Produces a curated,
+//! speaker-attributed, scene-grouped view rather than a full structural string dump.
+//!
+//! Extracts only text shown to the player. The allowlist below was derived from the command
+//! table and verified against real GamePro data. It skips comments, debug text, file paths,
+//! and DB structural names. Each dialogue line is attributed to a speaker, reconstructed from
+//! the engine's `\s[n]` name-variable codes, a literal nameplate line, or the face-graphic
+//! window gate. Lines are grouped per event for context.
+//!
+//! Injection is patch-style, keyed by command index plus string-arg index so it is
+//! reorder-safe. A translator edits only the `text` field. Untouched lines recompile
+//! byte-exact.
+
+use std::collections::HashMap;
+use std::fmt::Write as _;
+
+use serde_json::Value;
+use wolf_formats::command::RawCommand;
+use wolf_formats::common_event::CommonEventsFile;
+use wolf_formats::database::Database;
+use wolf_formats::game_dat::GameDat;
+use wolf_formats::map::Map;
+
+use crate::json::value_slots;
+use crate::text::{decode_wstr, text_to_wstr};
+
+// ----------------------------------------------------------------------------
+// Player-text allowlist (which command string args are shown to the player)
+// ----------------------------------------------------------------------------
+
+/// The player-facing string-arg indices of a command, given its ints. Empty means nothing to
+/// translate. Keeps only dialogue, choice, and on-screen text. Never debug, comment, label,
+/// path, condition-literal, or structural-name strings.
+fn player_str_indices(cmd: &RawCommand) -> Vec<usize> {
+    let a = &cmd.int_args;
+    match cmd.cid {
+        // Message: the dialogue text.
+        101 => vec![0],
+        // Choices: each option label (count = low nibble of arg0), skipping trailing empties.
+        102 => {
+            let n = a.first().copied().unwrap_or(0) & 0x0F;
+            (0..n as usize)
+                .filter(|&i| {
+                    cmd.str_args
+                        .get(i)
+                        .map(|w| {
+                            !decode_wstr(w, true).is_empty() && !decode_wstr(w, false).is_empty()
+                        })
+                        .unwrap_or(false)
+                })
+                .collect()
+        }
+        // Picture: str0 is on-screen text only when the picture type (bits 4-7 of arg0) == 2.
+        150 if (a.first().copied().unwrap_or(0) >> 4) & 0x0F == 2 => vec![0],
+        // SetString: a literal assigned to a string var. Player text only when it is visible
+        // text, not a file path, not empty, and not a pure control/substitution token.
+        122 => {
+            if let Some(w) = cmd.str_args.first() {
+                if is_displayable_literal(w, cmd) {
+                    return vec![0];
+                }
+            }
+            vec![]
+        }
+        // CommonEvent (by id) / CommonEventByName: the string inputs passed to the called event
+        // become its CSelf5/6/7 and get rendered by display-helper events (the `\cself[5/6/7]`
+        // shown in Messages). A literal passed here is on-screen text. For 210 the inputs start
+        // at str0. For 300 str0 is the event name (structural), so inputs are str1..=3. Keep
+        // only displayable literals, dropping the `\r\n`, path, and empty slots.
+        210 => (0..cmd.str_args.len())
+            .filter(|&i| {
+                cmd.str_args
+                    .get(i)
+                    .map(|w| is_displayable_literal(w, cmd))
+                    .unwrap_or(false)
+            })
+            .collect(),
+        300 => (1..=3)
+            .filter(|&i| {
+                cmd.str_args
+                    .get(i)
+                    .map(|w| is_displayable_literal(w, cmd))
+                    .unwrap_or(false)
+            })
+            .collect(),
+        // Database read/write: str0 is the literal value written into a cell. str1/2/3 are
+        // structural type/data/field name operands, never on-screen. Player text only when it
+        // is a field-by-name write (flagWord bit 0x40000) into a content field (str3 = the field
+        // name). This keeps the `<装備を外す>` and `装備を解除します。` window writes and skips the
+        // `x` and `------` affix-sentinel writes into 付与文字列.
+        250 | 252 => {
+            let flag = a.get(3).copied().unwrap_or(0);
+            let by_name = flag & 0x40000 != 0;
+            // str0 is displayable and has real words. Rejects the `x`, `------`, and `\x00`
+            // sentinels by value, plus paths and `<<…>>` directives.
+            let str0_ok = cmd
+                .str_args
+                .first()
+                .map(|w| is_displayable_literal(w, cmd) && has_translatable_text(&decode_either(w)))
+                .unwrap_or(false);
+            if by_name {
+                // By-name write: keep only when the destination (str3) is a content field. This
+                // keeps `<装備を外す>` and `装備を解除します。` and excludes the by-name affix sentinels
+                // written into 付与文字列, a non-content field.
+                let field_ok = cmd
+                    .str_args
+                    .get(3)
+                    .map(|w| field_name_is_content(&decode_either(w)))
+                    .unwrap_or(false);
+                if field_ok && str0_ok {
+                    return vec![0];
+                }
+                vec![]
+            } else if str0_ok {
+                // By-ID write: no field name to classify. The displayable plus translatable gate
+                // keeps the base-system `…を習得！` level-up message written into the 基本ｼｽﾃﾑ用変数
+                // scratch slot. That slot exists in no DB, so it has no other extraction path. The
+                // by-name sentinels never reach here.
+                vec![0]
+            } else {
+                vec![]
+            }
+        }
+        _ => vec![],
+    }
+}
+
+/// Both-encoding decode. Try UTF-8, fall back to Shift-JIS when the call site does not know
+/// the file encoding. Whichever decodes non-empty wins.
+pub(crate) fn decode_either(w: &wolf_formats::WStr) -> String {
+    let u = decode_wstr(w, true);
+    if u.is_empty() {
+        decode_wstr(w, false)
+    } else {
+        u
+    }
+}
+
+/// Heuristic: is a SetString, CommonEvent-input, or Database-write literal player-visible text
+/// rather than an internal path, flag, or engine directive.
+fn is_displayable_literal(w: &wolf_formats::WStr, _cmd: &RawCommand) -> bool {
+    displayable_text(&decode_either(w))
+}
+
+/// The displayable-literal test on already-decoded text (split out so it is unit-testable).
+fn displayable_text(s: &str) -> bool {
+    let t = s.trim();
+    if t.is_empty() {
+        return false;
+    }
+    // Strip inline Wolf codes first. A backslash begins every code (\cself, \c, \i, \f, \cdb,
+    // and so on), never a path separator. A plain `contains('\\')` test would drop every
+    // on-screen UI string that embeds a variable, colour, or icon code such as
+    // `\f[\cself[19]]Sell`, `Buy Voucher A (\cself[20])`, or `\cself[11]rose!`.
+    let body = strip_control_codes(t);
+    let body = body.trim();
+    if body.is_empty() || body == "," {
+        return false;
+    }
+    // Engine name-lookup directive (`<<GET_COMMONEVENT_ID_FROM_NAME>>…`, `<< \sys[100] % >>`).
+    // Resolved at runtime, never shown.
+    if body.contains("<<") && body.contains(">>") {
+        return false;
+    }
+    // File path or resource: a known asset extension, or a forward slash inside a spaceless
+    // token (a bare path like `Save/System.sav` or `Data/`). A `/` inside a sentence, like
+    // "Skills/Items" or a price separator, is ordinary punctuation and stays.
+    let lower = body.to_ascii_lowercase();
+    for ext in [
+        ".png", ".ogg", ".mp3", ".mid", ".wav", ".sav", ".wolfx", ".json", ".mps",
+    ] {
+        if lower.ends_with(ext) {
+            return false;
+        }
+    }
+    if body.contains('/') && !body.chars().any(char::is_whitespace) {
+        return false;
+    }
+    true
+}
+
+/// True for Japanese (or other CJK) script: hiragana, katakana (full and half width), and kanji.
+/// Used to keep the noise-token filter from ever rejecting real Japanese text.
+fn has_cjk(s: &str) -> bool {
+    s.chars().any(|c| {
+        let u = c as u32;
+        (0x3040..=0x30FF).contains(&u)      // hiragana + katakana
+            || (0x3400..=0x4DBF).contains(&u) // CJK extension A
+            || (0x4E00..=0x9FFF).contains(&u) // CJK unified ideographs
+            || (0xFF66..=0xFF9F).contains(&u) // half-width katakana
+    })
+}
+
+/// An engine-data token rather than prose: a string the parser used to pull into the grid that a
+/// translator should never touch. Two shapes, both checked on the control-code-stripped body and
+/// only ever firing when there is no CJK in it (so Japanese text is never rejected):
+///   * a single ASCII alphanumeric, the id/index cells like `a`/`b`/`5` that fill columns such as
+///     `英字id` (alphabet id) or a skill-tree layer flag, and
+///   * a bare ASCII identifier carrying a digit or underscore (`A006`, `nx1`, `_syst00`,
+///     `m_09_01`), an internal CG/asset/variable code.
+/// A plain ASCII word (`Sell`, `HP`, `OK`, `Nofile`) or any phrase with whitespace is kept, since
+/// those carry no digit or underscore and are real on-screen text.
+fn is_noise_token(body: &str) -> bool {
+    if body.is_empty() || has_cjk(body) {
+        return false;
+    }
+    // A lone angle-bracket placeholder. A `\cdb`/`\cself` DB-read concatenated with a literal
+    // `<Notfound>`/`<NoFile>` fallback strips down to just the bracket token. The `has_cjk` guard
+    // above means a real CJK menu label like `<装備を外す>` never reaches here, and the
+    // exactly-one-bracket test keeps `<Initialize> <Equipment>` (two pairs) and `put <X> in` (text
+    // around the bracket) as real.
+    let b = body.trim();
+    if b.starts_with('<')
+        && b.ends_with('>')
+        && b.matches('<').count() == 1
+        && b.matches('>').count() == 1
+    {
+        return true;
+    }
+    if body.chars().count() == 1 && body.chars().all(|c| c.is_ascii_alphanumeric()) {
+        return true;
+    }
+    body.chars().all(|c| c.is_ascii_alphanumeric() || c == '_')
+        && body.chars().any(|c| c.is_ascii_digit() || c == '_')
+}
+
+/// A comma-separated list whose every token is a tiny CG/layer code: a single lowercase letter
+/// followed by 1 to 3 digits (`a0`, `c1`, `l100`), or a single lowercase letter carrying a
+/// `\cself` substitution (`g\cself[44]`). These build the engine's CG layer arguments and are
+/// never player text. Checked on the RAW source, not the stripped body, because `g\cself[44]`
+/// strips down to a bare `g` which is indistinguishable from a real initials list once stripped.
+///
+/// The single-lowercase-letter lead is load-bearing: it keeps real short comma lists out of scope
+/// (`OK,Cancel`, `HP,MP`, `Buy,Sell`, `Lv1,Lv2`, `L1,R1`, `Fire,Ice`, `1,2,3`), since those lead
+/// with a capital, a second letter, or a non-letter.
+fn is_code_list(raw: &str) -> bool {
+    if has_cjk(raw) || !raw.contains(',') {
+        return false;
+    }
+    let mut codes = 0usize;
+    for tok in raw.split(',') {
+        let body = strip_control_codes(tok);
+        let body = body.trim();
+        if body.is_empty() {
+            continue; // a leading/trailing comma or a lone substitution
+        }
+        // The token must lead with exactly one lowercase ASCII letter.
+        let single_lower = body.chars().next().map_or(false, |c| c.is_ascii_lowercase())
+            && body.chars().nth(1).map_or(true, |c| !c.is_ascii_alphabetic());
+        let rest: String = body.chars().skip(1).collect();
+        // `a0`/`l100`: the lead letter then 1 to 3 digits.
+        let is_code_digit = single_lower
+            && (1..=3).contains(&rest.chars().count())
+            && rest.chars().all(|c| c.is_ascii_digit());
+        // `g\cself[44]`: just the lead letter, and the raw token carried a backslash code.
+        let is_code_cself = single_lower && rest.is_empty() && tok.contains('\\');
+        if !(is_code_digit || is_code_cself) {
+            return false;
+        }
+        codes += 1;
+    }
+    codes >= 2
+}
+
+/// True if the string has actual translatable words: at least one letter in any script once the
+/// inline control codes (`\cself[..]`, `\s[..]`, `\f[..]`, `\E`, and so on) are removed, and the
+/// remainder is real text rather than an engine-data token. Filters out pure
+/// variable-substitution, symbol, and punctuation entries like `\cself[5]`, `\f[\cself[18]]\E▲`,
+/// or a lone `+`, the id/index and CG/asset codes (`a`, `A006`, `nx1`, `_syst00`), and the
+/// comma-separated CG layer code lists (`a0,b0,c1`).
+pub(crate) fn has_translatable_text(s: &str) -> bool {
+    if is_code_list(s) {
+        return false;
+    }
+    let body = strip_control_codes(s);
+    let trimmed = body.trim();
+    trimmed.chars().any(|c| c.is_alphabetic()) && !is_noise_token(trimmed)
+}
+
+/// Remove Wolf inline control codes so the remaining real text can be measured. Used by the
+/// displayable heuristic and name detection.
+///
+/// A Wolf code is `\` plus a name (a run of ASCII letters/digits like `cself`/`space`/`f`/`E`,
+/// or a single symbol like `-`/`>`/`<`/`.`/`|`/`!`/`^`) plus an optional `[..]` argument whose
+/// brackets may nest, as in `\f[\cself[19]]`. The code name must be a maximal run so `\cself`
+/// is consumed whole rather than leaving a bogus `self`, and nested args must be tracked so a
+/// stray `]…` does not leak. Both would otherwise read as translatable text. The line-alignment
+/// tags `<R>` and `<C>` are also dropped since they are formatting, not words.
+///
+/// Ruby/furigana `\r[base,reading]` is special-cased. It renders `base` with `reading` as
+/// furigana, so the translatable-text check keeps the base (the text before the first comma)
+/// and drops the `\r[`, the `,reading`, and the `]`. A ruby-only line thus counts as
+/// translatable because its base is real words. All other codes are stripped whole. An escaped
+/// literal `\\r[..]` is not ruby. The walk reads the first `\` then the second `\` as the
+/// single-symbol code `\\`, leaving `r[..]` as plain text, so it never reaches the `name == "r"`
+/// branch.
+fn strip_control_codes(s: &str) -> String {
+    let mut out = String::new();
+    let mut chars = s.chars().peekable();
+    while let Some(c) = chars.next() {
+        match c {
+            '\\' => {
+                // The code name: a maximal alphanumeric run, else a single symbol char.
+                let mut name = String::new();
+                if matches!(chars.peek(), Some(c) if c.is_ascii_alphanumeric()) {
+                    while matches!(chars.peek(), Some(c) if c.is_ascii_alphanumeric()) {
+                        name.push(chars.next().unwrap());
+                    }
+                } else if let Some(c) = chars.next() {
+                    name.push(c);
+                }
+                // An optional `[..]` argument, honouring nested brackets. Capture its body so
+                // the ruby base can be re-emitted.
+                let mut arg = String::new();
+                let has_arg = chars.peek() == Some(&'[');
+                if has_arg {
+                    chars.next();
+                    let mut depth = 1usize;
+                    while depth > 0 {
+                        match chars.next() {
+                            Some('[') => {
+                                depth += 1;
+                                arg.push('[');
+                            }
+                            Some(']') => {
+                                depth -= 1;
+                                if depth > 0 {
+                                    arg.push(']');
+                                }
+                            }
+                            Some(c) => arg.push(c),
+                            None => break,
+                        }
+                    }
+                }
+                // Ruby `\r[base,reading]`: keep the base (before the first comma), drop reading.
+                if name == "r" && has_arg {
+                    let base = arg.split(',').next().unwrap_or(&arg);
+                    out.push_str(base);
+                }
+            }
+            // Line-alignment tags `<R>` and `<C>` (right and centre). Pure formatting.
+            '<' => {
+                let mut look = chars.clone();
+                if matches!(look.next(), Some('R' | 'C' | 'r' | 'c')) && look.next() == Some('>') {
+                    chars.next();
+                    chars.next();
+                } else {
+                    out.push('<');
+                }
+            }
+            _ => out.push(c),
+        }
+    }
+    out
+}
+
+// ----------------------------------------------------------------------------
+// Speaker attribution
+// ----------------------------------------------------------------------------
+
+/// The global string-var slots that carry a speaker name in the BasicSystem engine (S[k]).
+/// Maps the slot to a stable role label. The concrete name is resolved at render time or left
+/// to the translator. Derived from SysDatabase 文字列変数名 and verified against `\s[..]`
+/// frequency in GamePro.
+fn speaker_role(slot: u32) -> Option<&'static str> {
+    Some(match slot {
+        9 | 10 => "Heroine",
+        12 => "Rival",
+        13 => "Professor",
+        15 => "Opponent",
+        16 => "Opponent",
+        31 => "Ally Trainer",
+        32 => "Ally Monster",
+        33 => "Enemy Trainer",
+        34 => "Enemy Monster",
+        999 => "Player",
+        _ => return None,
+    })
+}
+
+/// Speaker attribution state carried across an event's command stream.
+#[derive(Default)]
+struct SpeakerCtx {
+    /// Last `call "メッセージ顔グラフィック変更"(Face Graphic Number=N)` value. The window-type gate.
+    last_face: Option<i64>,
+}
+
+impl SpeakerCtx {
+    /// Update state from a face-graphic-change call. `utf8` is the file encoding.
+    fn observe(&mut self, cmd: &RawCommand, utf8: bool) {
+        // call "メッセージ顔グラフィック変更"(Face Graphic Number=N) is cid 300 by-name.
+        if cmd.cid == 300 {
+            if let Some(name) = cmd.str_args.first() {
+                if decode_wstr(name, utf8) == "メッセージ顔グラフィック変更" {
+                    self.last_face = cmd.int_args.get(2).map(|&v| v as i32 as i64);
+                }
+            }
+        }
+    }
+
+    /// Resolve the speaker + source for a Message's text (its decoded line 1).
+    fn speaker_of(&self, text: &str) -> (String, String) {
+        // Strip a leading window-option prefix `@<digits>\n`.
+        let body = if let Some(rest) = text.strip_prefix('@') {
+            rest.split_once('\n').map(|(_, b)| b).unwrap_or(text)
+        } else {
+            text
+        };
+        let line1 = body.split('\n').next().unwrap_or("").trim();
+
+        // (a) Leading speaker string-var code `\s[k]`, including the `\s[9]\s[10]` heroine combo.
+        if let Some(role) = leading_name_var(line1) {
+            return (role.to_string(), "string_var".to_string());
+        }
+
+        // (b) Literal short nameplate line for map NPCs. A nameplate face window precedes, and
+        //     line 1 is a short token with no control codes or sentence punctuation, followed by
+        //     a body. Confidence is encoded in the source tag.
+        let has_more = body.contains('\n');
+        let nameplate_face = matches!(self.last_face, Some(n) if n >= 2);
+        if has_more
+            && !line1.is_empty()
+            && !line1.contains('\\')
+            && line1.chars().count() <= 16
+            && !line1.ends_with(['。', '！', '？', '」', '.', '!', '?'])
+            && !line1.starts_with(['「', '『', '【'])
+        {
+            let src = if nameplate_face {
+                "literal_line1"
+            } else {
+                "literal_line1_lowconf"
+            };
+            return (line1.to_string(), src.to_string());
+        }
+
+        // (c) No in-text speaker. Treat as narration.
+        ("Narration".to_string(), "narration".to_string())
+    }
+}
+
+/// If `line1` begins with a known speaker name-var code (`\s[k]` or the `\s[9]\s[10]` combo),
+/// return the role label.
+fn leading_name_var(line1: &str) -> Option<&'static str> {
+    let s = line1.strip_prefix("\\s[")?;
+    let (num, _) = s.split_once(']')?;
+    let k: u32 = num.parse().ok()?;
+    speaker_role(k)
+}
+
+// ----------------------------------------------------------------------------
+// Extraction model
+// ----------------------------------------------------------------------------
+
+/// One extracted player-facing line, with its injection locator and speaker.
+pub struct Line {
+    /// Command index within the event/page (stable inject key).
+    pub cmd: usize,
+    /// String-arg index within that command.
+    pub str_idx: usize,
+    pub speaker: String,
+    pub speaker_src: String,
+    pub source: String,
+}
+
+/// A scene is one event (a common event, or a map event plus page), with its player-facing
+/// lines in command order.
+pub struct Scene {
+    pub event: u32,
+    pub page: Option<usize>,
+    pub name: String,
+    pub lines: Vec<Line>,
+}
+
+/// Walk one command list, returning its player-facing lines with speakers attributed by a
+/// stateful pass (face-graphic gate plus name-var and nameplate detection).
+///
+/// `is_debug` marks the developer Debug common event, whose menu is built by cid250/252 DB writes
+/// of internal operation labels (`変数操作`, `所持金等MAX`). Those are skipped there. The gate is
+/// purely structural (the caller matched the exact event name plus the DB-write cids), so it never
+/// inspects a string value. Real dialogue in that event is a Message (cid101) and survives.
+fn scene_lines(cmds: &[RawCommand], utf8: bool, is_debug: bool) -> Vec<Line> {
+    let mut ctx = SpeakerCtx::default();
+    let mut out = Vec::new();
+    for (ci, cmd) in cmds.iter().enumerate() {
+        ctx.observe(cmd, utf8);
+        if is_debug && matches!(cmd.cid, 250 | 252) {
+            continue;
+        }
+        for si in player_str_indices(cmd) {
+            let Some(w) = cmd.str_args.get(si) else {
+                continue;
+            };
+            let source = decode_wstr(w, utf8);
+            // Skip pure control-code, symbol, or punctuation entries like a `\cself[5]` dynamic
+            // choice, a `\f[..]\E▲` UI arrow, or a lone `+`. Nothing for a translator to touch.
+            if !has_translatable_text(&source) {
+                continue;
+            }
+            let (speaker, speaker_src) = if cmd.cid == 101 && si == 0 {
+                ctx.speaker_of(&source)
+            } else if cmd.cid == 102 {
+                ("Choice".to_string(), "choice".to_string())
+            } else {
+                ("UI".to_string(), "ui".to_string())
+            };
+            out.push(Line {
+                cmd: ci,
+                str_idx: si,
+                speaker,
+                speaker_src,
+                source,
+            });
+        }
+    }
+    out
+}
+
+/// Extract every scene with player text from a common-events file (ordered by event id).
+pub fn extract_common_events(ce: &CommonEventsFile) -> Vec<Scene> {
+    let mut scenes = Vec::new();
+    for ev in &ce.events {
+        // The developer Debug menu event builds itself from internal cid250/252 DB writes whose
+        // values are operation labels, not player text. Match the exact event name so sibling
+        // test events (デバtest, テスト) that hold real dialogue are untouched. Also accept the
+        // half-width spelling. To keep the Debug-menu labels instead, drop this flag.
+        let name = decode_wstr(&ev.name, ce.utf8);
+        let is_debug = name == "デバッグ" || name == "ﾃﾞﾊﾞｯｸﾞ";
+        let lines = scene_lines(&ev.commands, ce.utf8, is_debug);
+        if !lines.is_empty() {
+            scenes.push(Scene {
+                event: ev.int_id,
+                page: None,
+                name,
+                lines,
+            });
+        }
+    }
+    scenes
+}
+
+/// Extract every scene with player text from a map (ordered by event, then page).
+pub fn extract_map(map: &Map) -> Vec<Scene> {
+    let mut scenes = Vec::new();
+    for ev in &map.events {
+        for (pi, page) in ev.pages.iter().enumerate() {
+            // Maps have no developer Debug common event, so the debug gate is always off here.
+            let lines = scene_lines(&page.commands, map.utf8, false);
+            if !lines.is_empty() {
+                scenes.push(Scene {
+                    event: ev.id,
+                    page: Some(pi),
+                    name: decode_wstr(&ev.name, map.utf8),
+                    lines,
+                });
+            }
+        }
+    }
+    scenes
+}
+
+// ----------------------------------------------------------------------------
+// JSON serialization (text starts equal to source, the translator edits `text`)
+// ----------------------------------------------------------------------------
+
+/// Render extracted scenes as translation JSON. `text` starts equal to `source` and a
+/// translator edits `text`. `source` is kept for drift detection on inject.
+pub fn scenes_to_json(file: &str, kind: &str, scenes: &[Scene]) -> String {
+    let mut s = String::new();
+    s.push_str("{\n");
+    let _ = write!(s, "  \"file\": {},\n", jstr(file));
+    let _ = write!(s, "  \"kind\": {},\n", jstr(kind));
+    s.push_str("  \"scenes\": [\n");
+    for (si, sc) in scenes.iter().enumerate() {
+        s.push_str("    {\n");
+        let _ = write!(s, "      \"event\": {},\n", sc.event);
+        if let Some(p) = sc.page {
+            let _ = write!(s, "      \"page\": {p},\n");
+        }
+        let _ = write!(s, "      \"name\": {},\n", jstr(&sc.name));
+        s.push_str("      \"lines\": [\n");
+        for (li, ln) in sc.lines.iter().enumerate() {
+            let _ = write!(
+                s,
+                "        {{\"cmd\": {}, \"str\": {}, \"speaker\": {}, \"speaker_src\": {}, \"source\": {}, \"text\": {}}}",
+                ln.cmd,
+                ln.str_idx,
+                jstr(&ln.speaker),
+                jstr(&ln.speaker_src),
+                jstr(&ln.source),
+                jstr(&ln.source)
+            );
+            s.push_str(if li + 1 == sc.lines.len() {
+                "\n"
+            } else {
+                ",\n"
+            });
+        }
+        s.push_str("      ]\n    }");
+        s.push_str(if si + 1 == scenes.len() { "\n" } else { ",\n" });
+    }
+    s.push_str("  ]\n}\n");
+    s
+}
+
+// ----------------------------------------------------------------------------
+// Injection (apply edited translations back, byte-exact, drift-checked)
+// ----------------------------------------------------------------------------
+
+/// Outcome of an inject. `applied`, `untranslated`, and `drifted` are the normal path.
+/// `code_mismatch` and `unrepresentable` count lines skipped by a safety guard, left untouched
+/// and reported. A non-zero count means the caller should exit non-zero even though the good
+/// lines were written.
+#[derive(Default)]
+pub struct InjectStats {
+    pub applied: usize,
+    pub untranslated: usize,
+    pub drifted: usize,
+    /// Translation dropped/added/altered an inline control code vs the source (skipped).
+    pub code_mismatch: usize,
+    /// Translation has a char not representable in the file's (Shift-JIS) encoding (skipped).
+    pub unrepresentable: usize,
+}
+
+/// Inject behaviour knobs.
+#[derive(Default, Clone, Copy)]
+pub struct InjectOptions {
+    /// Relax the inline-code preservation guard. Allows a translation whose `\code`, `@<n>`
+    /// window prefix, or `<R>`/`<C>` tags differ from the source. Off by default, which is the
+    /// strict per-line block.
+    pub allow_code_drift: bool,
+    /// Normalize CJK punctuation in the translated text to ASCII equivalents (`「」` to `"`, `。`
+    /// to `.`, full-width `！？` to `!?`, and so on) at inject time, via [`normalize_en_punct`].
+    /// Off by default. For English targets. Other languages and translators who keep CJK
+    /// punctuation are unaffected. Applied after the code-drift guard, before encoding.
+    pub normalize_punct: bool,
+}
+
+/// Map CJK punctuation to its ASCII equivalent in `s`, leaving everything else untouched
+/// (ASCII, kana, kanji, and decorative symbols like ♥ ♪ ✨ ♂). Opt-in normalization for English
+/// targets, applied to the translated text on inject (see [`InjectOptions::normalize_punct`]).
+///
+/// Safe to run over a whole string including inline control codes. Every Wolf code (`\cself[8]`,
+/// `<R>`, `@1`) is pure ASCII and contains none of these characters, so codes pass through
+/// verbatim. Most entries are a 1:1 char remap. The multi-char expansions (`…` to `...`, `‥` to
+/// `..`, `→` to `->`, `←` to `<-`) are spelled out. Brackets map to their open/close ASCII form.
+pub fn normalize_en_punct(s: &str) -> String {
+    let mut out = String::with_capacity(s.len());
+    for c in s.chars() {
+        match c {
+            // Quote brackets -> straight double quote.
+            '「' | '」' | '『' | '』' => out.push('"'),
+            // Square / lenticular brackets -> ASCII square brackets.
+            '【' | '〔' => out.push('['),
+            '】' | '〕' => out.push(']'),
+            // Angle brackets -> ASCII angle brackets.
+            '〈' | '《' => out.push('<'),
+            '〉' | '》' => out.push('>'),
+            // Wave dashes -> tilde.
+            '～' | '〜' => out.push('~'),
+            // Ideographic full stop / commas.
+            '。' => out.push('.'),
+            '、' | '，' => out.push(','),
+            // Middle dot -> hyphen.
+            '・' => out.push('-'),
+            // Full-width ASCII-equivalent punctuation.
+            '！' => out.push('!'),
+            '？' => out.push('?'),
+            '：' => out.push(':'),
+            '；' => out.push(';'),
+            '％' => out.push('%'),
+            '＆' => out.push('&'),
+            // Ellipses.
+            '…' => out.push_str("..."),
+            '‥' => out.push_str(".."),
+            // Reference mark -> asterisk.
+            '※' => out.push('*'),
+            // Dashes (em/en/full-width/horizontal-bar/hyphen) -> hyphen.
+            '―' | '─' | '－' | '—' | '‐' => out.push('-'),
+            // Curly quotes -> straight quotes.
+            '“' | '”' => out.push('"'),
+            '‘' | '’' => out.push('\''),
+            // Math-ish symbols.
+            '×' => out.push('x'),
+            '−' => out.push('-'),
+            '÷' => out.push('/'),
+            // Arrows.
+            '→' => out.push_str("->"),
+            '←' => out.push_str("<-"),
+            '↑' => out.push('^'),
+            '↓' => out.push('v'),
+            // Filled / hollow squares -> asterisk.
+            '■' | '□' => out.push('*'),
+            other => out.push(other),
+        }
+    }
+    out
+}
+
+/// The ordered multiset of inline codes that must survive a translation edit, so a guard can
+/// confirm none was dropped, added, or altered. Holds each `\<name>` (alnum run or single
+/// symbol) with its full nested `[..]` body, each `<R>`/`<C>` alignment tag, and a leading
+/// `@<digits>` window prefix. Sorted, so reordering is allowed but the set must match, including
+/// which variable each `\code` references.
+///
+/// Ruby/furigana `\r[base,reading]` is excluded (a `name == "r"` code with a `[..]` body). An
+/// English translation legitimately drops the ruby markup, rendering the base with no furigana,
+/// so it must not be in the must-preserve set. An escaped `\\r[..]` is unaffected. It parses as
+/// the `\\` code plus literal `r[..]` text, so the `name == "r"` body branch is never reached.
+fn code_multiset(s: &str) -> Vec<String> {
+    let mut codes = Vec::new();
+    if let Some(rest) = s.strip_prefix('@') {
+        let digits: String = rest.chars().take_while(char::is_ascii_digit).collect();
+        if !digits.is_empty() {
+            codes.push(format!("@{digits}"));
+        }
+    }
+    let mut chars = s.chars().peekable();
+    while let Some(c) = chars.next() {
+        match c {
+            '\\' => {
+                let mut code = String::from("\\");
+                let mut name = String::new();
+                if matches!(chars.peek(), Some(c) if c.is_ascii_alphanumeric()) {
+                    while matches!(chars.peek(), Some(c) if c.is_ascii_alphanumeric()) {
+                        let ch = chars.next().unwrap();
+                        name.push(ch);
+                        code.push(ch);
+                    }
+                } else if let Some(c) = chars.next() {
+                    name.push(c);
+                    code.push(c);
+                }
+                let has_arg = chars.peek() == Some(&'[');
+                if has_arg {
+                    code.push(chars.next().unwrap());
+                    let mut depth = 1usize;
+                    while depth > 0 {
+                        match chars.next() {
+                            Some('[') => {
+                                depth += 1;
+                                code.push('[');
+                            }
+                            Some(']') => {
+                                depth -= 1;
+                                code.push(']');
+                            }
+                            Some(ch) => code.push(ch),
+                            None => break,
+                        }
+                    }
+                }
+                // Ruby `\r[base,reading]` is droppable markup, not a must-preserve code.
+                if name == "r" && has_arg {
+                    continue;
+                }
+                codes.push(code);
+            }
+            '<' => {
+                let mut look = chars.clone();
+                if matches!(look.next(), Some('R' | 'C' | 'r' | 'c')) && look.next() == Some('>') {
+                    let ch = chars.next().unwrap();
+                    chars.next();
+                    codes.push(format!("<{ch}>"));
+                }
+            }
+            _ => {}
+        }
+    }
+    codes.sort();
+    codes
+}
+
+/// Run the per-line safety guards and, if they pass, encode and write the translation into
+/// `cell`. The caller has already confirmed the drift guard so the base still holds `source`.
+/// Updates `stats` and emits a located diagnostic on a guarded skip.
+pub(crate) fn write_translation(
+    cell: &mut wolf_formats::WStr,
+    source: &str,
+    text: &str,
+    utf8: bool,
+    opts: &InjectOptions,
+    stats: &mut InjectStats,
+    locator: &dyn Fn() -> String,
+) {
+    // (1) Inline control-code preservation. Dropping or altering a \code, @<n> prefix, or
+    // <R>/<C> tag would break rendering, or for a \cself-referenced variable, logic. The guard
+    // runs on the pre-normalization `text`. The code multiset is pure ASCII and the punct map
+    // never touches ASCII, so the choice does not affect the result, but checking before
+    // normalization keeps the diagnostic showing the translator's actual edit.
+    if !opts.allow_code_drift {
+        let (a, b) = (code_multiset(source), code_multiset(text));
+        if a != b {
+            stats.code_mismatch += 1;
+            eprintln!(
+                "{}: control-code mismatch - source has {a:?}, translation has {b:?}; edit the words but keep the \\codes and @window prefix (or pass --allow-code-drift)",
+                locator()
+            );
+            return;
+        }
+    }
+    // (1b) Optional CJK to ASCII punctuation normalization for English targets. Applied after
+    // the code-drift guard, before encoding. Control codes are pure ASCII so they pass through.
+    let normalized;
+    let text = if opts.normalize_punct {
+        normalized = normalize_en_punct(text);
+        normalized.as_str()
+    } else {
+        text
+    };
+    // (2) Encoding. A char not representable in the file's encoding (Shift-JIS games) must not
+    // be silently substituted. Skip this line and report so the rest of the batch still applies.
+    match text_to_wstr(text, utf8) {
+        Ok(w) => {
+            *cell = w;
+            stats.applied += 1;
+        }
+        Err(_) => {
+            stats.unrepresentable += 1;
+            eprintln!(
+                "{}: text not representable in Shift-JIS: {text:?}; choose an SJIS-encodable equivalent",
+                locator()
+            );
+        }
+    }
+}
+
+/// Apply a translation JSON back onto a common-events file. A line is applied only when its
+/// `text` differs from `source` and the base command still holds `source` (drift guard).
+pub fn inject_common_events(
+    json: &str,
+    base: &mut CommonEventsFile,
+    opts: &InjectOptions,
+) -> Result<InjectStats, String> {
+    let root: Value = serde_json::from_str(json).map_err(|e| format!("invalid JSON: {e}"))?;
+    let utf8 = base.utf8;
+    let by_id: HashMap<u32, usize> = base
+        .events
+        .iter()
+        .enumerate()
+        .map(|(i, ev)| (ev.int_id, i))
+        .collect();
+    let mut stats = InjectStats::default();
+    for sc in scenes_array(&root)? {
+        let ev_id = u(sc, "event")? as u32;
+        let &idx = by_id
+            .get(&ev_id)
+            .ok_or_else(|| format!("common event {ev_id} not in base"))?;
+        apply_lines(sc, &mut base.events[idx].commands, utf8, opts, &mut stats)?;
+    }
+    Ok(stats)
+}
+
+/// Apply a translation JSON back onto a map, keyed by event id plus page.
+pub fn inject_map(json: &str, base: &mut Map, opts: &InjectOptions) -> Result<InjectStats, String> {
+    let root: Value = serde_json::from_str(json).map_err(|e| format!("invalid JSON: {e}"))?;
+    let utf8 = base.utf8;
+    let by_id: HashMap<u32, usize> = base
+        .events
+        .iter()
+        .enumerate()
+        .map(|(i, ev)| (ev.id, i))
+        .collect();
+    let mut stats = InjectStats::default();
+    for sc in scenes_array(&root)? {
+        let ev_id = u(sc, "event")? as u32;
+        let page = u(sc, "page")? as usize;
+        let &idx = by_id
+            .get(&ev_id)
+            .ok_or_else(|| format!("map event {ev_id} not in base"))?;
+        let cmds = base.events[idx]
+            .pages
+            .get_mut(page)
+            .map(|p| &mut p.commands)
+            .ok_or_else(|| format!("map event {ev_id} page {page} out of range"))?;
+        apply_lines(sc, cmds, utf8, opts, &mut stats)?;
+    }
+    Ok(stats)
+}
+
+fn apply_lines(
+    sc: &Value,
+    cmds: &mut [RawCommand],
+    utf8: bool,
+    opts: &InjectOptions,
+    stats: &mut InjectStats,
+) -> Result<(), String> {
+    let ev = sc.get("event").and_then(Value::as_u64).unwrap_or(0);
+    let page = sc.get("page").and_then(Value::as_u64);
+    let lines = sc
+        .get("lines")
+        .and_then(Value::as_array)
+        .ok_or("scene has no `lines`")?;
+    for ln in lines {
+        let ci = u(ln, "cmd")? as usize;
+        let si = u(ln, "str")? as usize;
+        let source = ln.get("source").and_then(Value::as_str).unwrap_or("");
+        let text = ln.get("text").and_then(Value::as_str).unwrap_or(source);
+        if text == source {
+            stats.untranslated += 1;
+            continue;
+        }
+        let Some(cmd) = cmds.get_mut(ci) else {
+            stats.drifted += 1;
+            continue;
+        };
+        let Some(slot) = cmd.str_args.get_mut(si) else {
+            stats.drifted += 1;
+            continue;
+        };
+        // Drift guard: only overwrite if the base still holds the recorded source text.
+        if decode_wstr(slot, utf8) != source {
+            stats.drifted += 1;
+            continue;
+        }
+        let loc = || match page {
+            Some(p) => format!("event {ev} page {p} cmd {ci} str {si}"),
+            None => format!("event {ev} cmd {ci} str {si}"),
+        };
+        write_translation(slot, source, text, utf8, opts, stats, &loc);
+    }
+    Ok(())
+}
+
+fn scenes_array(root: &Value) -> Result<&Vec<Value>, String> {
+    root.get("scenes")
+        .and_then(Value::as_array)
+        .ok_or_else(|| "translation JSON has no `scenes` array".to_string())
+}
+
+fn u(v: &Value, key: &str) -> Result<u64, String> {
+    v.get(key)
+        .and_then(Value::as_u64)
+        .ok_or_else(|| format!("missing/invalid `{key}`"))
+}
+
+// ----------------------------------------------------------------------------
+// Database player-text extraction (item/skill/term/message content)
+// ----------------------------------------------------------------------------
+
+/// Field/type names (JP or EN) that mark a string field as internal: file, graphic, audio,
+/// memo, sort, path, or formula. Never player text.
+pub(crate) const DB_INTERNAL: &[&str] = &[
+    "ファイル",
+    "画像",
+    "ｸﾞﾗﾌｨｯｸ",
+    "グラフィック",
+    "効果音",
+    "BGM",
+    "BGS",
+    "メモ",
+    "ソート",
+    "パス",
+    "計算",
+    // `日本語移動名` and similar is the internal map-transition key namespace, compared in
+    // StringConditions and never displayed. Translating it breaks the map-move override. The EN
+    // glossary renders it "...Move Name" or "...Name", so it must be denylisted here, checked
+    // first, rather than merely absent from DB_CONTENT, or the broad "Name" content keyword would
+    // re-admit it. The player-visible map name lives in a separate, still-extracted field.
+    "移動名",
+    "File",
+    "Graphic",
+    "Image",
+    "Sound",
+    "Path",
+    "Memo",
+    "Sort",
+    "Formula",
+    "Move Name",
+];
+
+/// Field/type names (JP or EN) that mark a string field as a single-string name: an identity
+/// string with no sentence context that the game may look rows up by. These are owned by the
+/// project glossary (`names.rs`) so the row name and every by-name reference stay consistent.
+///
+/// `移動名` / "Move Name" is included here. The `日本語移動名` field is the internal map-transition
+/// key namespace, compared in cid112 StringConditions, but also the on-screen location-banner
+/// name. The glossary owns it and keeps it consistent with the cid250/cid112 references that
+/// read it. The genuine-internal denylist in [`db_field_role`] is `DB_INTERNAL` minus `移動名`,
+/// so this entry is reached as a name rather than rejected as internal.
+pub(crate) const DB_NAME: &[&str] = &[
+    "名前",
+    "名称",
+    "なまえ",
+    "タイトル",
+    "肩書",
+    "表示名",
+    "用語",
+    "メニュー",
+    "コマンド名",
+    "ｺﾏﾝﾄﾞ",
+    "単位",
+    "項目",
+    "愛称",
+    "呼び方",
+    "移動名",
+    "Name",
+    "Title",
+    "Term",
+    "Menu",
+    "Command",
+    "Unit",
+    "Display",
+    "Move Name",
+];
+
+/// Field/type names (JP or EN) that mark a string field as description or dialogue: a
+/// contextual sentence, not an identity string. These stay independently translatable in the
+/// per-file `db-strings` path. Two different translations of a description are not a conflict.
+/// Dialogue fields (`セリフ`/`ｾﾘﾌ`/`効果文`) land here.
+pub(crate) const DB_DESC: &[&str] = &[
+    "説明",
+    "文章",
+    "効果文",
+    "メッセージ",
+    "セリフ",
+    "ｾﾘﾌ",
+    "Description",
+    "Message",
+    "Text",
+];
+
+/// A DB string-field value that is actually an asset path (file or folder selector content),
+/// not player text. Used to exclude `type_byte == 1` folder-picker cells whose value is a path
+/// while keeping `type_byte == 1` cells that hold a plain display name (status `表示名`). NUL-safe.
+pub(crate) fn value_is_asset_path(s: &str) -> bool {
+    let t = s.trim().trim_end_matches('\0').trim();
+    if t.is_empty() {
+        return false;
+    }
+    let lower = t.to_ascii_lowercase();
+    const ASSET_EXT: &[&str] = &[
+        ".png", ".jpg", ".jpeg", ".bmp", ".gif", ".ogg", ".mp3", ".wav", ".mid",
+    ];
+    if ASSET_EXT.iter().any(|e| lower.ends_with(e)) {
+        return true;
+    }
+    // A '/' inside a spaceless token is a bare folder/asset path, e.g. SE/[System]Cancel02.ogg.
+    t.contains('/') && !t.chars().any(char::is_whitespace)
+}
+
+/// A DB cell whose every non-blank line is an asset path: a multi-line `.png` CG list, or a bare
+/// folder. Tighter than [`value_is_asset_path`] so a one-line UI string with a single slash stays
+/// text: a line counts as a path only with an asset extension, a trailing `/`, or two or more `/`.
+/// CJK-bearing values return early, so no Japanese is ever dropped, and any line with whitespace
+/// disqualifies the whole value (`1/4 of max HP`, `Buy/Sell` and friends stay).
+fn value_is_asset_path_list(s: &str) -> bool {
+    if has_cjk(s) {
+        return false;
+    }
+    const ASSET_EXT: &[&str] = &[
+        ".png", ".jpg", ".jpeg", ".bmp", ".gif", ".ogg", ".mp3", ".wav", ".mid",
+    ];
+    let body = strip_control_codes(s);
+    let mut any = false;
+    for line in body.split(['\r', '\n']) {
+        let line = line.trim().trim_end_matches('\0').trim();
+        if line.is_empty() {
+            continue;
+        }
+        any = true;
+        if line.chars().any(char::is_whitespace) {
+            return false;
+        }
+        let lower = line.to_ascii_lowercase();
+        let is_path = ASSET_EXT.iter().any(|e| lower.ends_with(e))
+            || line.ends_with('/')
+            || line.matches('/').count() >= 2;
+        if !is_path {
+            return false;
+        }
+    }
+    any
+}
+
+/// A DB id/code cell: the control-code-stripped, trimmed body is exactly 2 or 3 lowercase ASCII
+/// letters (`za`, `kc`, `abc`), the values that fill id/layer columns like `英字id` / `abc` /
+/// skill-tree layer flags. `is_ascii_lowercase` already rules out digits, uppercase, CJK and
+/// symbols, so capitalised names (`Iris`) and uppercase labels (`OK`, `HP`) are never caught.
+/// DB-extractor ONLY: in the command stream this same shape is real UI text (`gem`, `ml`), so it
+/// must never go into the shared [`is_noise_token`] / [`has_translatable_text`].
+fn is_db_short_code(s: &str) -> bool {
+    let b = strip_control_codes(s);
+    let b = b.trim();
+    let n = b.chars().count();
+    (n == 2 || n == 3) && b.chars().all(|c| c.is_ascii_lowercase())
+}
+
+/// The translation-ownership role of a DB string cell. Exactly one extractor owns each role, so
+/// a DB name is never translated in two places.
+///   * [`Role::Internal`]: file, graphic, audio, memo, path, sort, formula, or temp. Never
+///     translated.
+///   * [`Role::Name`]: a single-string identity name. Owned by the project glossary
+///     (`names.rs`), which keeps the row name and every by-name reference consistent.
+///   * [`Role::Content`]: a description or dialogue sentence, or an unlabeled non-internal
+///     field. Owned by the per-file `db-strings` path, independently translatable.
+#[derive(Debug, Clone, Copy, PartialEq, Eq)]
+pub(crate) enum Role {
+    Internal,
+    Name,
+    Content,
+}
+
+/// Tests for a temp or separator type. Wolf marks scratch types with a leading `×` or `x `.
+/// Separators are an all-dash label.
+fn is_temp_or_separator_type(type_name: &str) -> bool {
+    let tn = type_name.trim();
+    tn.is_empty() || tn.starts_with('×') || tn.starts_with("x ") || tn.chars().all(|c| c == '-')
+}
+
+/// `DB_INTERNAL` minus the `移動名`/`Move Name` map-key namespace. The genuine-internal denylist:
+/// file, graphic, sound, BGM, memo, path, sort, formula. `移動名` is excluded so it is reachable
+/// as a `Name`, the displayed location banner the glossary owns, not rejected as internal.
+fn matches_genuine_internal(name: &str) -> bool {
+    const NAME_KEEP: &[&str] = &["移動名", "Move Name"];
+    // Match ASCII case-insensitively. Japanese terms are unaffected by `to_ascii_lowercase`, so a
+    // field labelled `…memo` or `…File` is caught as internal regardless of case. Without this, a
+    // lowercase dev-note field like `100~199memo` would leak past the upper-case `Memo`/`File`
+    // entries.
+    let lower = name.to_ascii_lowercase();
+    DB_INTERNAL
+        .iter()
+        .filter(|p| !NAME_KEEP.contains(p))
+        .any(|p| lower.contains(&p.to_ascii_lowercase()))
+}
+
+/// The single source of truth for a DB string cell's translation-ownership [`Role`]. Evaluated
+/// in strict order: internal first, then description/dialogue, then name, default content.
+///
+/// 1. `Internal`: `type_byte` not in {0,1} (only 0/1 hold strings), a temp/separator type, or a
+///    genuine-internal field name (`DB_INTERNAL` minus the `移動名` map-key namespace).
+/// 2. `Content`: the field or the type name matches a description/dialogue keyword
+///    ([`DB_DESC`]). A contextual sentence, independently translatable in `db-strings`.
+/// 3. `Name`: `is_first_string` (the canonical by-name column, even with an empty/unknown
+///    label) or the field/type name matches a name keyword ([`DB_NAME`]).
+/// 4. `Content` by default. An unlabeled non-internal non-desc field is independently
+///    translatable. Safer than forcing glossary consistency on an unrecognised label.
+///
+/// The per-cell `value_is_asset_path` exclusion for `type_byte == 1` cells is applied separately
+/// at the call sites, since it depends on the row value.
+pub(crate) fn db_field_role(
+    type_byte: u8,
+    type_name: &str,
+    field_jp: &str,
+    field_en: &str,
+    is_first_string: bool,
+) -> Role {
+    // (1) Internal: structural gate, temp/separator type, or a genuine-internal field name.
+    if !matches!(type_byte, 0 | 1) || is_temp_or_separator_type(type_name) {
+        return Role::Internal;
+    }
+    let names = [field_jp, field_en];
+    if names.iter().any(|n| matches_genuine_internal(n)) {
+        return Role::Internal;
+    }
+    let tn = type_name.trim();
+    // (2) Content: a description/dialogue field or type, e.g. a …セリフ dialogue table or a 説明
+    // field. Checked before Name so a `説明`/`セリフ` sentence is never pulled into the glossary.
+    if DB_DESC.iter().any(|p| tn.contains(p))
+        || names.iter().any(|n| DB_DESC.iter().any(|p| n.contains(p)))
+    {
+        return Role::Content;
+    }
+    // (3) Name: the canonical by-name column, or a recognised name field or type (用語設定 Terms).
+    if is_first_string
+        || DB_NAME.iter().any(|p| tn.contains(p))
+        || names.iter().any(|n| DB_NAME.iter().any(|p| n.contains(p)))
+    {
+        return Role::Name;
+    }
+    // (4) Default: an unlabeled or unrecognised non-internal field is independently translatable.
+    Role::Content
+}
+
+/// Is this string field owned by the per-file `db-strings` path (description/dialogue content)?
+/// True only for [`Role::Content`]. Name fields are owned by the glossary, so the two extractors
+/// have disjoint ownership of DB string cells. The `is_first_string` flag (the canonical by-name
+/// column) is supplied by the caller. A `db-strings`-only call site that lacks it passes `false`.
+/// A first-string column with a recognised name label still classifies as `Name` either way.
+pub(crate) fn db_player_field(
+    type_byte: u8,
+    type_name: &str,
+    field_jp: &str,
+    field_en: &str,
+    is_first_string: bool,
+) -> bool {
+    db_field_role(type_byte, type_name, field_jp, field_en, is_first_string) == Role::Content
+}
+
+/// Field-name-only "not internal" test for the command stream (cid 250/252 by-name writes),
+/// where there is a destination field name but no full DB type context. A cid250 write into
+/// either a description/dialogue field or a name field is player text, so this accepts `Name` or
+/// `Content`, everything except `Internal`. The `×`/separator and `type_byte` gates do not apply
+/// without type context, so it classifies on the field name alone against the genuine-internal
+/// denylist.
+fn field_name_is_content(name: &str) -> bool {
+    if matches_genuine_internal(name) {
+        return false;
+    }
+    // A bare field name with no type context is player text unless it is genuinely internal.
+    // Mirrors the Name or Content union (everything non-internal) of [`db_field_role`].
+    true
+}
+
+/// One extracted DB string cell with its (type, row, field) locator and bilingual field label.
+pub struct DbLine {
+    pub type_id: usize,
+    pub row: usize,
+    pub field: usize,
+    pub row_name: String,
+    pub field_label: String,
+    pub source: String,
+}
+
+/// Player-facing string cells of one DB type.
+pub struct DbGroup {
+    pub type_id: usize,
+    pub type_label: String,
+    pub lines: Vec<DbLine>,
+}
+
+fn bilingual_name(jp: &str, glossary: &HashMap<String, String>) -> String {
+    match glossary.get(jp) {
+        Some(en) if en != jp => format!("{en} · {jp}"),
+        _ => jp.to_string(),
+    }
+}
+
+/// Extract every player-facing string cell from a database (item, skill, term, message
+/// content), grouped by type. `glossary` provides bilingual labels and powers EN field matching.
+pub fn extract_db_strings(db: &Database, glossary: &HashMap<String, String>) -> Vec<DbGroup> {
+    let utf8 = db.utf8;
+    let mut groups = Vec::new();
+    for (ti, t) in db.types.iter().enumerate() {
+        let type_name = decode_wstr(&t.name, utf8);
+        let fields_size = (t.dat_fields_size as usize).min(t.fields.len());
+        let slots = value_slots(t, fields_size, utf8);
+        // Collect the player-facing content fields (Role::Content, since name fields are owned by
+        // the glossary) with their string-value slot and type_byte. The type_byte drives the per-cell
+        // value-is-path exclusion below. `is_first_string` tracks the canonical by-name column so
+        // the role classifier can recognise it.
+        let mut keep: Vec<(usize, usize, String, u8)> = Vec::new(); // (field_idx, slot, label, tb)
+        let mut seen_string = false;
+        for (fi, (_, is_str, slot)) in slots.iter().enumerate() {
+            if !is_str {
+                continue;
+            }
+            let is_first_string = !seen_string;
+            seen_string = true;
+            let fjp = decode_wstr(&t.fields[fi].name, utf8);
+            let fen = glossary.get(&fjp).map(String::as_str).unwrap_or(&fjp);
+            let tb = t.fields[fi].type_byte;
+            if db_player_field(tb, &type_name, &fjp, fen, is_first_string) {
+                keep.push((fi, *slot, bilingual_name(&fjp, glossary), tb));
+            }
+        }
+        if keep.is_empty() {
+            continue;
+        }
+        let mut lines = Vec::new();
+        for (ri, row) in t.data.iter().enumerate() {
+            let row_name = decode_wstr(&row.name, utf8);
+            for (fi, slot, label, tb) in &keep {
+                let source = row
+                    .string_values
+                    .get(*slot)
+                    .map(|w| decode_wstr(w, utf8))
+                    .unwrap_or_default();
+                if !has_translatable_text(&source) {
+                    continue;
+                }
+                // A folder-picker (type_byte 1) cell whose value is an asset path is not text.
+                if *tb == 1 && value_is_asset_path(&source) {
+                    continue;
+                }
+                // A list of asset paths (multi-line .png CG list, bare folder), any field type.
+                if value_is_asset_path_list(&source) {
+                    continue;
+                }
+                // A short lowercase id/code value (英字id, abc, skill-tree layer flags). DB-only.
+                if is_db_short_code(&source) {
+                    continue;
+                }
+                lines.push(DbLine {
+                    type_id: ti,
+                    row: ri,
+                    field: *fi,
+                    row_name: row_name.clone(),
+                    field_label: label.clone(),
+                    source,
+                });
+            }
+        }
+        if !lines.is_empty() {
+            groups.push(DbGroup {
+                type_id: ti,
+                type_label: bilingual_name(&type_name, glossary),
+                lines,
+            });
+        }
+    }
+    groups
+}
+
+/// Render DB player-text groups as translation JSON. `text` starts equal to `source`.
+pub fn db_strings_to_json(file: &str, groups: &[DbGroup]) -> String {
+    let mut s = String::new();
+    s.push_str("{\n");
+    let _ = write!(s, "  \"file\": {},\n", jstr(file));
+    s.push_str("  \"kind\": \"db\",\n");
+    s.push_str("  \"groups\": [\n");
+    for (gi, g) in groups.iter().enumerate() {
+        s.push_str("    {\n");
+        let _ = write!(s, "      \"type\": {},\n", g.type_id);
+        let _ = write!(s, "      \"typeName\": {},\n", jstr(&g.type_label));
+        s.push_str("      \"lines\": [\n");
+        for (li, ln) in g.lines.iter().enumerate() {
+            let _ = write!(
+                s,
+                "        {{\"row\": {}, \"field\": {}, \"rowName\": {}, \"fieldName\": {}, \"source\": {}, \"text\": {}}}",
+                ln.row,
+                ln.field,
+                jstr(&ln.row_name),
+                jstr(&ln.field_label),
+                jstr(&ln.source),
+                jstr(&ln.source)
+            );
+            s.push_str(if li + 1 == g.lines.len() { "\n" } else { ",\n" });
+        }
+        s.push_str("      ]\n    }");
+        s.push_str(if gi + 1 == groups.len() { "\n" } else { ",\n" });
+    }
+    s.push_str("  ]\n}\n");
+    s
+}
+
+/// Apply DB translations back onto a database, keyed by type/row/field. Only lines whose `text`
+/// differs from `source` and still match the base cell are changed. Unchanged cells keep their
+/// exact bytes, so the database re-serializes byte-exact except for the edited strings.
+pub fn inject_db_strings(
+    json: &str,
+    db: &mut Database,
+    opts: &InjectOptions,
+) -> Result<InjectStats, String> {
+    let root: Value = serde_json::from_str(json).map_err(|e| format!("invalid JSON: {e}"))?;
+    let utf8 = db.utf8;
+    let groups = root
+        .get("groups")
+        .and_then(Value::as_array)
+        .ok_or("DB translation JSON has no `groups` array")?;
+    let mut stats = InjectStats::default();
+    for g in groups {
+        let ti = u(g, "type")? as usize;
+        let dt = db
+            .types
+            .get_mut(ti)
+            .ok_or_else(|| format!("type id {ti} out of range"))?;
+        let fields_size = (dt.dat_fields_size as usize).min(dt.fields.len());
+        // Map field index to its string-value slot. Only string fields have one.
+        let slot_of: HashMap<usize, usize> = value_slots(dt, fields_size, utf8)
+            .into_iter()
+            .enumerate()
+            .filter(|(_, (_, is_str, _))| *is_str)
+            .map(|(fi, (_, _, slot))| (fi, slot))
+            .collect();
+        let lines = g
+            .get("lines")
+            .and_then(Value::as_array)
+            .ok_or("DB group has no `lines`")?;
+        for ln in lines {
+            let ri = u(ln, "row")? as usize;
+            let fi = u(ln, "field")? as usize;
+            let source = ln.get("source").and_then(Value::as_str).unwrap_or("");
+            let text = ln.get("text").and_then(Value::as_str).unwrap_or(source);
+            if text == source {
+                stats.untranslated += 1;
+                continue;
+            }
+            let Some(&slot) = slot_of.get(&fi) else {
+                stats.drifted += 1;
+                continue;
+            };
+            let Some(row) = dt.data.get_mut(ri) else {
+                stats.drifted += 1;
+                continue;
+            };
+            let Some(cell) = row.string_values.get_mut(slot) else {
+                stats.drifted += 1;
+                continue;
+            };
+            if decode_wstr(cell, utf8) != source {
+                stats.drifted += 1;
+                continue;
+            }
+            let loc = || format!("db type {ti} row {ri} field {fi}");
+            write_translation(cell, source, text, utf8, opts, &mut stats, &loc);
+        }
+    }
+    Ok(stats)
+}
+
+// ----------------------------------------------------------------------------
+// Game.dat player-text extraction + injection (Title / TitlePlus / messages)
+// ----------------------------------------------------------------------------
+
+/// The player-facing Game.dat strings, keyed by a stable label. Only these are extracted for
+/// translation. Fonts, graphics, the decrypt key, and the fixed magic string are structural and
+/// never shown to the player. The accessor pairs each key with the relevant `Option<WStr>` cell.
+/// Some cells are gated on the file's `string_count`, so absent cells are skipped.
+fn game_dat_fields(gd: &GameDat) -> Vec<(&'static str, &wolf_formats::WStr)> {
+    let mut out: Vec<(&'static str, &wolf_formats::WStr)> = vec![("Title", &gd.title)];
+    if let Some(s) = &gd.title_plus {
+        out.push(("TitlePlus", s));
+    }
+    if let Some(s) = &gd.start_up_msg {
+        out.push(("StartUpMsg", s));
+    }
+    if let Some(s) = &gd.title_msg {
+        out.push(("TitleMsg", s));
+    }
+    out
+}
+
+/// Extract the player-facing Game.dat strings as translation JSON. Each line is `{key, source,
+/// text}` with `text` starting equal to `source`. Empty strings are skipped. `source` is kept
+/// for drift detection on inject.
+pub fn extract_game_dat(gd: &GameDat) -> String {
+    let utf8 = gd.utf8;
+    let mut lines: Vec<(&'static str, String)> = Vec::new();
+    for (key, w) in game_dat_fields(gd) {
+        let source = decode_wstr(w, utf8);
+        if source.is_empty() {
+            continue;
+        }
+        lines.push((key, source));
+    }
+
+    let mut s = String::new();
+    s.push_str("{\n");
+    s.push_str("  \"file\": \"Game.dat\",\n");
+    s.push_str("  \"kind\": \"gamedat\",\n");
+    s.push_str("  \"lines\": [\n");
+    for (li, (key, source)) in lines.iter().enumerate() {
+        let _ = write!(
+            s,
+            "    {{\"key\": {}, \"source\": {}, \"text\": {}}}",
+            jstr(key),
+            jstr(source),
+            jstr(source)
+        );
+        s.push_str(if li + 1 == lines.len() { "\n" } else { ",\n" });
+    }
+    s.push_str("  ]\n}\n");
+    s
+}
+
+/// Apply a Game.dat translation JSON back onto the parsed file, keyed by field name. A line is
+/// applied only when its `text` differs from `source` and the base cell still holds `source`
+/// (drift guard). The shared [`write_translation`] helper enforces the control-code and encoding
+/// guards, so untouched fields keep their exact bytes and the file re-serializes byte-exact.
+pub fn inject_game_dat(
+    json: &str,
+    gd: &mut GameDat,
+    opts: &InjectOptions,
+) -> Result<InjectStats, String> {
+    let root: Value = serde_json::from_str(json).map_err(|e| format!("invalid JSON: {e}"))?;
+    let utf8 = gd.utf8;
+    let lines = root
+        .get("lines")
+        .and_then(Value::as_array)
+        .ok_or("Game.dat translation JSON has no `lines` array")?;
+    let mut stats = InjectStats::default();
+    for ln in lines {
+        let key = ln
+            .get("key")
+            .and_then(Value::as_str)
+            .ok_or("Game.dat line missing `key`")?;
+        let source = ln.get("source").and_then(Value::as_str).unwrap_or("");
+        let text = ln.get("text").and_then(Value::as_str).unwrap_or(source);
+        if text == source {
+            stats.untranslated += 1;
+            continue;
+        }
+        // Resolve the target cell for this key. Only the gated optionals can be absent.
+        let Some(cell) = game_dat_cell(gd, key) else {
+            stats.drifted += 1;
+            continue;
+        };
+        // Drift guard: only overwrite if the base still holds the recorded source text.
+        if decode_wstr(cell, utf8) != source {
+            stats.drifted += 1;
+            continue;
+        }
+        let loc = || format!("gamedat {key}");
+        write_translation(cell, source, text, utf8, opts, &mut stats, &loc);
+    }
+    Ok(stats)
+}
+
+/// Mutable accessor for a player-facing Game.dat field by its extraction key. None if the cell
+/// is absent for this file's `string_count`.
+fn game_dat_cell<'a>(gd: &'a mut GameDat, key: &str) -> Option<&'a mut wolf_formats::WStr> {
+    match key {
+        "Title" => Some(&mut gd.title),
+        "TitlePlus" => gd.title_plus.as_mut(),
+        "StartUpMsg" => gd.start_up_msg.as_mut(),
+        "TitleMsg" => gd.title_msg.as_mut(),
+        _ => None,
+    }
+}
+
+fn jstr(s: &str) -> String {
+    let mut out = String::with_capacity(s.len() + 2);
+    out.push('"');
+    for c in s.chars() {
+        match c {
+            '"' => out.push_str("\\\""),
+            '\\' => out.push_str("\\\\"),
+            '\n' => out.push_str("\\n"),
+            '\r' => out.push_str("\\r"),
+            '\t' => out.push_str("\\t"),
+            c if (c as u32) < 0x20 => {
+                let _ = write!(out, "\\u{:04x}", c as u32);
+            }
+            c => out.push(c),
+        }
+    }
+    out.push('"');
+    out
+}
+
+// ----------------------------------------------------------------------------
+// Game.dat FULL editing (every editable string field, not just player text)
+// ----------------------------------------------------------------------------
+//
+// A broader view than the player-text `extract_game_dat`/`inject_game_dat` pair above.
+// `dump_game_dat`/`apply_game_dat` expose all editable string fields (fonts, graphics, image
+// paths, the opaque trailing string) as a flat JSON object, mirroring the `db-json`/`db-apply`
+// design. Structural fields (indicator, magic, decrypt key, magic string, and the size/offset
+// housekeeping) are never exposed and never touched. `GameDat::write` recomputes the three
+// housekeeping offsets from the edited string lengths, so untouched fields re-serialize
+// byte-exact.
+
+/// The non-optional editable scalar string fields, keyed by their JSON name. Every Game.dat
+/// carries them, so they round-trip unconditionally, including when empty. `SubFonts` is emitted
+/// separately by [`dump_game_dat`] since it is an array, not a scalar.
+fn game_dat_full_fixed(gd: &GameDat) -> Vec<(&'static str, &wolf_formats::WStr)> {
+    vec![
+        ("Title", &gd.title),
+        ("Font", &gd.font),
+        ("DefaultPcGraphic", &gd.default_pc_graphic),
+    ]
+}
+
+/// The optional editable string fields, keyed by their JSON name. Present only when the file's
+/// `string_count` carries them. `dump_game_dat` skips a `None` with no phantom key, and
+/// `apply_game_dat` refuses to materialize one that was absent, editing only existing cells.
+fn game_dat_full_optionals(gd: &GameDat) -> Vec<(&'static str, Option<&wolf_formats::WStr>)> {
+    vec![
+        ("TitlePlus", gd.title_plus.as_ref()),
+        ("RoadImg", gd.road_img.as_ref()),
+        ("GaugeImg", gd.gauge_img.as_ref()),
+        ("StartUpMsg", gd.start_up_msg.as_ref()),
+        ("TitleMsg", gd.title_msg.as_ref()),
+        ("UnknownString14", gd.unknown_string14.as_ref()),
+    ]
+}
+
+/// Mutable accessor for a single full-view scalar field by its JSON key. Returns `None` when the
+/// key is unknown or refers to an optional cell that is absent for this file, so `apply_game_dat`
+/// never creates or destroys an `Option`. `SubFonts` is handled separately since it is an array.
+fn game_dat_full_cell<'a>(
+    gd: &'a mut GameDat,
+    key: &str,
+) -> Option<&'a mut wolf_formats::WStr> {
+    match key {
+        "Title" => Some(&mut gd.title),
+        "Font" => Some(&mut gd.font),
+        "DefaultPcGraphic" => Some(&mut gd.default_pc_graphic),
+        "TitlePlus" => gd.title_plus.as_mut(),
+        "RoadImg" => gd.road_img.as_mut(),
+        "GaugeImg" => gd.gauge_img.as_mut(),
+        "StartUpMsg" => gd.start_up_msg.as_mut(),
+        "TitleMsg" => gd.title_msg.as_mut(),
+        "UnknownString14" => gd.unknown_string14.as_mut(),
+        _ => None,
+    }
+}
+
+/// Dump every editable Game.dat string field to a pretty JSON object keyed by field name, with
+/// each `WStr` decoded to a UTF-8 string. `encoding` (`"utf8"`/`"shiftjis"`) is informational and
+/// read-only. Optional fields absent for this file's `string_count` are omitted with no phantom
+/// keys. Empty strings are kept as empty strings. `SubFonts` is a 3-element array. The inverse is
+/// [`apply_game_dat`]. The round-trip (dump, apply, [`GameDat::write`]) reproduces the file
+/// byte-exact when no value was changed.
+pub fn dump_game_dat(gd: &GameDat) -> String {
+    let utf8 = gd.utf8;
+    let mut s = String::new();
+    s.push_str("{\n");
+    let _ = write!(
+        s,
+        "  \"encoding\": {},\n",
+        jstr(if utf8 { "utf8" } else { "shiftjis" })
+    );
+
+    // Fixed scalars, always present.
+    for (key, w) in game_dat_full_fixed(gd) {
+        let _ = write!(s, "  {}: {},\n", jstr(key), jstr(&decode_wstr(w, utf8)));
+    }
+
+    // SubFonts is a fixed 3-element array.
+    s.push_str("  \"SubFonts\": [");
+    for (i, f) in gd.sub_fonts.iter().enumerate() {
+        if i > 0 {
+            s.push_str(", ");
+        }
+        s.push_str(&jstr(&decode_wstr(f, utf8)));
+    }
+    s.push_str("],\n");
+
+    // Optionals: emit only those present for this file. Track the last one to drop the trailing
+    // comma without a dangling separator, since the object's prior lines all end in `,`.
+    let present: Vec<(&'static str, String)> = game_dat_full_optionals(gd)
+        .into_iter()
+        .filter_map(|(k, w)| w.map(|w| (k, decode_wstr(w, utf8))))
+        .collect();
+    for (i, (key, val)) in present.iter().enumerate() {
+        let sep = if i + 1 == present.len() { "\n" } else { ",\n" };
+        let _ = write!(s, "  {}: {}{}", jstr(key), jstr(val), sep);
+    }
+    if present.is_empty() {
+        // No optionals: the SubFonts line above still ended in `,`. Trim it to keep valid JSON.
+        if let Some(stripped) = s.strip_suffix(",\n") {
+            s = format!("{stripped}\n");
+        }
+    }
+
+    s.push_str("}\n");
+    s
+}
+
+/// Apply a full-view Game.dat JSON (from [`dump_game_dat`]) back onto a parsed file. For each
+/// present, recognized key, the field is re-encoded to the file's encoding (the same `WStr` path
+/// as `inject_game_dat`) and set. A value equal to the current one is a no-op. Returns the number
+/// of fields actually changed.
+///
+/// Guarantees: never creates or destroys an `Option` field that was not present in the base. A
+/// key for an absent optional is treated as drift, counted nowhere, and skipped with a warning.
+/// Never touches structural fields. The `encoding` key is read-only. Unknown keys are ignored
+/// with a warning. Errors only on malformed JSON or a value not representable in the file's
+/// encoding.
+pub fn apply_game_dat(gd: &mut GameDat, json: &str) -> Result<usize, String> {
+    let root: Value = serde_json::from_str(json).map_err(|e| format!("invalid JSON: {e}"))?;
+    let obj = root
+        .as_object()
+        .ok_or("Game.dat full JSON must be a JSON object")?;
+    let utf8 = gd.utf8;
+    let mut changed = 0usize;
+
+    // Recognized keys: scalars, the SubFonts array, and the read-only encoding marker. Lets
+    // unknown keys be reported without confusing them for structural fields.
+    const SCALAR_KEYS: &[&str] = &[
+        "Title",
+        "Font",
+        "DefaultPcGraphic",
+        "TitlePlus",
+        "RoadImg",
+        "GaugeImg",
+        "StartUpMsg",
+        "TitleMsg",
+        "UnknownString14",
+    ];
+
+    for (key, val) in obj {
+        match key.as_str() {
+            "encoding" => {} // informational, read-only
+            "SubFonts" => {
+                let arr = val.as_array().ok_or("`SubFonts` must be a JSON array")?;
+                if arr.len() != gd.sub_fonts.len() {
+                    return Err(format!(
+                        "`SubFonts` must have exactly {} entries (got {})",
+                        gd.sub_fonts.len(),
+                        arr.len()
+                    ));
+                }
+                for (i, entry) in arr.iter().enumerate() {
+                    let text = entry
+                        .as_str()
+                        .ok_or("`SubFonts` entries must be strings")?;
+                    let cur = decode_wstr(&gd.sub_fonts[i], utf8);
+                    if cur == text {
+                        continue;
+                    }
+                    let w = text_to_wstr(text, utf8)
+                        .map_err(|e| format!("SubFonts[{i}]: {e}"))?;
+                    gd.sub_fonts[i] = w;
+                    changed += 1;
+                }
+            }
+            k if SCALAR_KEYS.contains(&k) => {
+                let text = val
+                    .as_str()
+                    .ok_or_else(|| format!("`{k}` must be a string"))?;
+                // Optional cells absent for this file must not be materialized. Treat as drift.
+                let Some(cell) = game_dat_full_cell(gd, k) else {
+                    eprintln!(
+                        "gamedat-apply: `{k}` is not present in this Game.dat (string_count too low); skipping"
+                    );
+                    continue;
+                };
+                if decode_wstr(cell, utf8) == text {
+                    continue; // no change
+                }
+                let w = text_to_wstr(text, utf8).map_err(|e| format!("{k}: {e}"))?;
+                *cell = w;
+                changed += 1;
+            }
+            other => {
+                eprintln!("gamedat-apply: ignoring unknown key `{other}`");
+            }
+        }
+    }
+    Ok(changed)
+}
+
+// ----------------------------------------------------------------------------
+// Coverage audit (QA): every string arg in the corpus plus whether extraction keeps
+// it, so precision (kept-but-not-text) and recall (text-but-dropped) can be judged
+// against the actual bytes rather than guessed.
+// ----------------------------------------------------------------------------
+
+/// One string occurrence in a command stream, tagged with extraction status.
+struct StrAudit {
+    cid: u32,
+    cmd: usize,
+    str_idx: usize,
+    text: String,
+    extracted: bool,
+}
+
+/// Every non-empty string arg of every command in a list, tagged with whether the player-text
+/// extractor keeps it. Matched against `scene_lines`, so the allowlist and filters are exactly
+/// the live ones.
+fn audit_commands(cmds: &[RawCommand], utf8: bool) -> Vec<StrAudit> {
+    use std::collections::HashSet;
+    // The QA audit reports raw extraction coverage, so the Debug-event gate is left off here.
+    let kept: HashSet<(usize, usize)> = scene_lines(cmds, utf8, false)
+        .iter()
+        .map(|l| (l.cmd, l.str_idx))
+        .collect();
+    let mut out = Vec::new();
+    for (ci, cmd) in cmds.iter().enumerate() {
+        for (si, w) in cmd.str_args.iter().enumerate() {
+            let text = decode_wstr(w, utf8);
+            if text.is_empty() {
+                continue;
+            }
+            out.push(StrAudit {
+                cid: cmd.cid,
+                cmd: ci,
+                str_idx: si,
+                text,
+                extracted: kept.contains(&(ci, si)),
+            });
+        }
+    }
+    out
+}
+
+fn write_audit_entries(s: &mut String, evt: &str, page: Option<usize>, entries: &[StrAudit]) {
+    for e in entries {
+        let _ = write!(
+            s,
+            "    {{\"event\": {evt}, \"page\": {}, \"cmd\": {}, \"cid\": {}, \"cmdName\": {}, \"str\": {}, \"extracted\": {}, \"text\": {}}},\n",
+            page.map(|p| p.to_string()).unwrap_or_else(|| "null".into()),
+            e.cmd,
+            e.cid,
+            jstr(&crate::spec::command_name(e.cid)),
+            e.str_idx,
+            e.extracted,
+            jstr(&e.text),
+        );
+    }
+}
+
+/// Full per-string coverage dump of a common-events file. Every event, every string arg.
+pub fn audit_common_events_to_json(ce: &CommonEventsFile) -> String {
+    let mut s = String::from("{\n  \"kind\": \"common\",\n  \"entries\": [\n");
+    for ev in &ce.events {
+        write_audit_entries(
+            &mut s,
+            &ev.int_id.to_string(),
+            None,
+            &audit_commands(&ev.commands, ce.utf8),
+        );
+    }
+    finish_audit(s)
+}
+
+/// Full per-string coverage dump of a map. Every event, every page, every string arg.
+pub fn audit_map_to_json(map: &Map) -> String {
+    let mut s = String::from("{\n  \"kind\": \"map\",\n  \"entries\": [\n");
+    for ev in &map.events {
+        for (pi, page) in ev.pages.iter().enumerate() {
+            write_audit_entries(
+                &mut s,
+                &ev.id.to_string(),
+                Some(pi),
+                &audit_commands(&page.commands, map.utf8),
+            );
+        }
+    }
+    finish_audit(s)
+}
+
+/// Full per-cell coverage dump of a database. Every string cell across player and internal
+/// fields, tagged with `playerField` (whether the field name classifies as content) and
+/// `extracted`.
+pub fn audit_db_to_json(db: &Database, glossary: &HashMap<String, String>) -> String {
+    let utf8 = db.utf8;
+    let mut s = String::from("{\n  \"kind\": \"db\",\n  \"entries\": [\n");
+    for (ti, t) in db.types.iter().enumerate() {
+        let type_name = decode_wstr(&t.name, utf8);
+        let fields_size = (t.dat_fields_size as usize).min(t.fields.len());
+        let slots = value_slots(t, fields_size, utf8);
+        let mut seen_string = false;
+        for (fi, (_, is_str, slot)) in slots.iter().enumerate() {
+            if !is_str {
+                continue;
+            }
+            let is_first_string = !seen_string;
+            seen_string = true;
+            let fjp = decode_wstr(&t.fields[fi].name, utf8);
+            let fen = glossary.get(&fjp).map(String::as_str).unwrap_or(&fjp);
+            let type_byte = t.fields[fi].type_byte;
+            let is_player = db_player_field(type_byte, &type_name, &fjp, fen, is_first_string);
+            let field_args = &t.fields[fi].string_args;
+            // First string-arg of a field config is the file folder or DB-ref selector hint.
+            let cfg0 = field_args
+                .first()
+                .map(|w| decode_wstr(w, utf8))
+                .unwrap_or_default();
+            for (ri, row) in t.data.iter().enumerate() {
+                let text = row
+                    .string_values
+                    .get(*slot)
+                    .map(|w| decode_wstr(w, utf8))
+                    .unwrap_or_default();
+                if text.is_empty() {
+                    continue;
+                }
+                let extracted = is_player
+                    && has_translatable_text(&text)
+                    && !(type_byte == 1 && value_is_asset_path(&text));
+                let _ = write!(
+                    s,
+                    "    {{\"type\": {ti}, \"typeName\": {}, \"row\": {ri}, \"rowName\": {}, \"field\": {fi}, \"fieldName\": {}, \"typeByte\": {type_byte}, \"cfg0\": {}, \"playerField\": {is_player}, \"extracted\": {extracted}, \"text\": {}}},\n",
+                    jstr(&type_name),
+                    jstr(&decode_wstr(&row.name, utf8)),
+                    jstr(&fjp),
+                    jstr(&cfg0),
+                    jstr(&text),
+                );
+            }
+        }
+    }
+    finish_audit(s)
+}
+
+/// Trim the trailing `,\n` and close the audit JSON array and object.
+fn finish_audit(mut s: String) -> String {
+    if s.ends_with(",\n") {
+        s.truncate(s.len() - 2);
+        s.push('\n');
+    }
+    s.push_str("  ]\n}\n");
+    s
+}
+
+#[cfg(test)]
+mod tests {
+    use super::*;
+    use wolf_formats::WStr;
+
+    #[test]
+    fn strip_handles_multichar_codes_and_nesting() {
+        // Multi-char names must vanish whole, not decay to `self`.
+        assert_eq!(strip_control_codes("\\cself[6]"), "");
+        assert_eq!(strip_control_codes("\\space[0]"), "");
+        // Nested codes: the font code's argument is itself a substitution.
+        assert_eq!(strip_control_codes("\\f[\\cself[19]]\\cself[6]"), "");
+        // Symbol codes and alignment tags.
+        assert_eq!(
+            strip_control_codes("<R>\\space[0]\\f[\\cself[17]]\\-[1]\\E\\cself[6]"),
+            ""
+        );
+        // Real words survive, with their surrounding substitutions stripped for the check.
+        assert_eq!(
+            strip_control_codes("「\\cself[8]」を手に入れた。"),
+            "「」を手に入れた。"
+        );
+    }
+
+    #[test]
+    fn strip_keeps_ruby_base_drops_reading() {
+        // Ruby `\r[base,reading]`: the base text is kept as the translatable word. The reading
+        // and the markup are dropped. A ruby-only line therefore counts as translatable.
+        assert!(strip_control_codes("\\r[市松,いちまつ]").contains("市松"));
+        assert_eq!(strip_control_codes("\\r[市松,いちまつ]"), "市松");
+        // Ruby base inline among other text and codes.
+        assert_eq!(
+            strip_control_codes("\\r[市松,いちまつ]\\cself[3]さん"),
+            "市松さん"
+        );
+        // An escaped literal `\\r[..]` is not ruby. The first `\` and second `\` parse as the
+        // `\\` single-symbol code, leaving `r[人生,じんせい]` as plain text, so the base is not
+        // re-emitted. The literal `r[..]` including the reading stays.
+        assert_eq!(
+            strip_control_codes("\\\\r[人生,じんせい]"),
+            "r[人生,じんせい]"
+        );
+        // The recall check (used by `has_translatable_text`) sees the ruby base as words.
+        assert!(has_translatable_text("\\r[市松,いちまつ]"));
+    }
+
+    #[test]
+    fn displayable_literal_keeps_coded_text_rejects_internal() {
+        // Real UI text that embeds an inline code must be kept. A plain `contains('\\')` path
+        // test would wrongly drop all of these.
+        assert!(displayable_text("\\f[\\cself[19]]Sell"));
+        assert!(displayable_text("Buy Voucher A (\\cself[20])"));
+        assert!(displayable_text("\\cself[11]rose!"));
+        assert!(displayable_text("\\c[1]3000 chips\\c[0] to start"));
+        // A forward slash inside a sentence is ordinary punctuation. Keep it.
+        assert!(displayable_text(
+            "Save cursor position when opening Skills/Items"
+        ));
+        // Internal: engine directive, asset paths, bare path tokens, pure substitution.
+        assert!(!displayable_text(
+            "<<GET_COMMONEVENT_ID_FROM_NAME>>■主人公ピクセル移動切り替え"
+        ));
+        assert!(!displayable_text("<< \\sys[100] % >>"));
+        assert!(!displayable_text("Save/System.sav"));
+        assert!(!displayable_text("Data/"));
+        assert!(!displayable_text("SE/door.ogg"));
+        assert!(!displayable_text("\\cself[5]"));
+    }
+
+    #[test]
+    fn asset_path_values_rejected_names_kept() {
+        // type_byte==1 folder-picker cells: a path value is excluded, a plain display name is kept.
+        assert!(value_is_asset_path("Base_window/WindowBaseA.png"));
+        assert!(value_is_asset_path("SE/[System]Cancel02.ogg"));
+        assert!(value_is_asset_path(
+            "BalloonBase_CafeLatte/[CafeLatte]nameL.png"
+        ));
+        assert!(!value_is_asset_path("Poison")); // a status 表示名
+        assert!(!value_is_asset_path("毒")); // a JP status name
+        assert!(!value_is_asset_path("Game Over")); // a name with a space, no ext
+        assert!(!value_is_asset_path("")); // empty or NUL-only
+        assert!(!value_is_asset_path("\u{0}"));
+    }
+
+    #[test]
+    fn code_multiset_detects_dropped_or_altered_codes() {
+        // Same codes in any order compare equal. A dropped, altered, or added code compares different.
+        assert_eq!(
+            code_multiset("「\\cself[8]」を手に入れた。"),
+            vec!["\\cself[8]"]
+        );
+        assert_eq!(
+            code_multiset("Got \\cself[8]!"),
+            code_multiset("「\\cself[8]」")
+        );
+        assert_ne!(code_multiset("「\\cself[8]」"), code_multiset("Got it!")); // dropped
+        assert_ne!(code_multiset("\\cself[8]"), code_multiset("\\cself[9]")); // ref changed
+                                                                              // @-window prefix and <R>/<C> alignment tags are tracked.
+        assert_eq!(
+            code_multiset("@1\n\\s[9]Hi"),
+            vec!["@1".to_string(), "\\s[9]".to_string()]
+        );
+        assert_ne!(code_multiset("@1\nHi"), code_multiset("Hi")); // dropped @ prefix
+        assert_eq!(code_multiset("<R>\\f[\\cself[3]]X").len(), 2); // <R> plus nested \f[..]
+    }
+
+    #[test]
+    fn code_multiset_excludes_ruby_keeps_others() {
+        // Ruby `\r[..]` is droppable markup, so it never enters the must-preserve set. A
+        // translation may drop it without --allow-code-drift.
+        assert!(code_multiset("\\r[市松,いちまつ]").is_empty());
+        // Other codes around a ruby are still required. Only the `\r[..]` is excluded.
+        assert_eq!(
+            code_multiset("\\r[x,y]\\cself[3]"),
+            vec!["\\cself[3]".to_string()]
+        );
+        // A ruby-bearing source vs a ruby-dropped translation therefore have equal code sets.
+        assert_eq!(
+            code_multiset("\\r[市松,いちまつ]"),
+            code_multiset("Ichimatsu")
+        );
+        // An escaped `\\r[..]` is the `\\` code plus literal `r[..]` text. The `\\` is preserved.
+        assert_eq!(
+            code_multiset("\\\\r[人生,じんせい]"),
+            vec!["\\\\".to_string()]
+        );
+    }
+
+    #[test]
+    fn normalize_en_punct_maps_cjk_keeps_rest() {
+        // Brackets become straight quotes and the wave dash becomes a tilde. The decorative ♥
+        // is untouched.
+        assert_eq!(normalize_en_punct("「テスト」～♥"), "\"テスト\"~♥");
+        // Control codes are pure ASCII and pass through unchanged.
+        assert_eq!(normalize_en_punct("\\cself[8]"), "\\cself[8]");
+        assert_eq!(normalize_en_punct("@1\n\\s[9]Hi"), "@1\n\\s[9]Hi");
+        // The full map, both 1:1 and multi-char expansions.
+        assert_eq!(normalize_en_punct("『』【】〔〕"), "\"\"[][]");
+        assert_eq!(normalize_en_punct("〈〉《》"), "<><>");
+        assert_eq!(normalize_en_punct("。、，・"), ".,,-");
+        assert_eq!(normalize_en_punct("！？：；％＆"), "!?:;%&");
+        assert_eq!(normalize_en_punct("…‥※"), ".....*"); // `...` then `..` then `*`
+        assert_eq!(normalize_en_punct("―─－—‐"), "-----");
+        assert_eq!(normalize_en_punct("“”‘’"), "\"\"''");
+        assert_eq!(normalize_en_punct("×−÷"), "x-/");
+        assert_eq!(normalize_en_punct("→←↑↓"), "-><-^v");
+        assert_eq!(normalize_en_punct("■□"), "**");
+        // Decorative symbols and kana, kanji, and ASCII are left exactly as-is.
+        assert_eq!(normalize_en_punct("♥♪✨♂ abc 日本語"), "♥♪✨♂ abc 日本語");
+    }
+
+    #[test]
+    fn write_translation_ruby_drop_ok_but_cself_drop_rejected() {
+        let loc = || "test".to_string();
+        // Dropping the ruby markup is accepted by default without --allow-code-drift. The source
+        // ruby code is excluded from the must-preserve set, so "Ichimatsu" lands cleanly.
+        let mut cell = WStr::from("\\r[市松,いちまつ]");
+        let mut stats = InjectStats::default();
+        write_translation(
+            &mut cell,
+            "\\r[市松,いちまつ]",
+            "Ichimatsu",
+            true,
+            &InjectOptions::default(),
+            &mut stats,
+            &loc,
+        );
+        assert_eq!(stats.applied, 1, "dropping ruby markup must be accepted");
+        assert_eq!(stats.code_mismatch, 0);
+        assert_eq!(decode_wstr(&cell, true), "Ichimatsu");
+
+        // Dropping a real `\cself[..]` code is still rejected. The line is left untouched.
+        let mut cell = WStr::from("「\\cself[8]」を手に入れた。");
+        let mut stats = InjectStats::default();
+        write_translation(
+            &mut cell,
+            "「\\cself[8]」を手に入れた。",
+            "Got the item!",
+            true,
+            &InjectOptions::default(),
+            &mut stats,
+            &loc,
+        );
+        assert_eq!(stats.applied, 0, "dropping \\cself must be rejected");
+        assert_eq!(stats.code_mismatch, 1);
+        // Cell untouched, still the source bytes.
+        assert_eq!(decode_wstr(&cell, true), "「\\cself[8]」を手に入れた。");
+    }
+
+    #[test]
+    fn write_translation_en_punct_lands_straight_quotes() {
+        let loc = || "test".to_string();
+        // With normalize_punct, a translation containing 「」 lands as straight quotes.
+        let mut cell = WStr::from("テスト");
+        let mut stats = InjectStats::default();
+        write_translation(
+            &mut cell,
+            "テスト",
+            "「Hello」",
+            true,
+            &InjectOptions {
+                allow_code_drift: false,
+                normalize_punct: true,
+            },
+            &mut stats,
+            &loc,
+        );
+        assert_eq!(stats.applied, 1);
+        assert_eq!(decode_wstr(&cell, true), "\"Hello\"");
+
+        // Off by default, the CJK brackets are preserved verbatim.
+        let mut cell = WStr::from("テスト");
+        let mut stats = InjectStats::default();
+        write_translation(
+            &mut cell,
+            "テスト",
+            "「Hello」",
+            true,
+            &InjectOptions::default(),
+            &mut stats,
+            &loc,
+        );
+        assert_eq!(stats.applied, 1);
+        assert_eq!(decode_wstr(&cell, true), "「Hello」");
+    }
+
+    #[test]
+    fn field_name_content_classifier() {
+        // A cid250 by-name write into a name or a description/dialogue field is player text, so
+        // the command-stream test accepts everything that is not genuinely internal, the Name or
+        // Content union. Description/dialogue and name labels both pass.
+        assert!(field_name_is_content("説明文")); // description
+        assert!(field_name_is_content("項目文")); // menu-item label (a name)
+        assert!(field_name_is_content("愛称")); // nickname (a name)
+        // A non-keyword label is not internal, so it is player text (Role::Content). The 付与文字列
+        // affix sentinels (`x` and `------`) are still dropped by the str0 translatable gate in
+        // `player_str_indices`, not by this field test (see player_str_indices_unchanged_on_*).
+        assert!(field_name_is_content("付与文字列[前]"));
+        // Genuinely-internal fields are still rejected.
+        assert!(!field_name_is_content("ファイル"));
+        assert!(!field_name_is_content("戦闘背景画像"));
+    }
+
+    #[test]
+    fn db_field_role_three_way_split() {
+        // (1) Internal: non-string type_byte, temp/separator type, or genuine-internal field.
+        assert_eq!(
+            db_field_role(2, "Monster", "名前", "Name", true),
+            Role::Internal
+        );
+        assert_eq!(
+            db_field_role(0, "×temp", "名前", "Name", true),
+            Role::Internal
+        );
+        assert_eq!(
+            db_field_role(0, "------", "名前", "Name", true),
+            Role::Internal
+        );
+        assert_eq!(
+            db_field_role(0, "Monster", "ファイル", "File", false),
+            Role::Internal
+        );
+        assert_eq!(
+            db_field_role(0, "Skill", "戦闘背景画像", "Graphic", false),
+            Role::Internal
+        );
+        // (2) Content: a description/dialogue field or type. `セリフ`/`ｾﾘﾌ`/`効果文` stay in DESC.
+        assert_eq!(
+            db_field_role(0, "Skill", "説明", "Description", false),
+            Role::Content
+        );
+        assert_eq!(
+            db_field_role(0, "Skill", "効果文", "Description", false),
+            Role::Content
+        );
+        assert_eq!(
+            db_field_role(0, "会話セリフ", "", "", false),
+            Role::Content
+        );
+        assert_eq!(
+            db_field_role(0, "Item", "メッセージ", "Message", false),
+            Role::Content
+        );
+        // A description field still wins even on the first-string column. DESC beats Name.
+        assert_eq!(
+            db_field_role(0, "Help", "説明", "Description", true),
+            Role::Content
+        );
+        // (3) Name: first string column (even unlabeled), or a recognised name field or type.
+        assert_eq!(db_field_role(0, "Monster", "", "", true), Role::Name);
+        assert_eq!(
+            db_field_role(0, "Item", "謎ラベル", "謎ラベル", true),
+            Role::Name
+        );
+        assert_eq!(
+            db_field_role(0, "Trainer", "愛称", "愛称", false),
+            Role::Name
+        );
+        assert_eq!(
+            db_field_role(0, "Element", "呼び方", "呼び方", false),
+            Role::Name
+        );
+        // `移動名` is the displayed location banner, so it is a Name not Internal and the glossary owns it.
+        assert_eq!(
+            db_field_role(0, "Map", "日本語移動名", "Move Name", false),
+            Role::Name
+        );
+        assert_eq!(
+            db_field_role(0, "用語設定", "", "", false),
+            Role::Name
+        );
+        // (4) Default Content: an unlabeled or unrecognised non-internal, non-first field.
+        assert_eq!(db_field_role(0, "Misc", "", "", false), Role::Content);
+        assert_eq!(
+            db_field_role(0, "Misc", "謎ラベル", "謎ラベル", false),
+            Role::Content
+        );
+    }
+
+    #[test]
+    fn db_player_field_is_content_only() {
+        // db_player_field (db-strings ownership) is true only for Role::Content.
+        assert!(db_player_field(0, "Skill", "説明", "Description", false)); // Content
+        assert!(!db_player_field(0, "Monster", "名前", "Name", true)); // Name, glossary owns it
+        assert!(!db_player_field(0, "Monster", "", "", true)); // first-string Name
+        assert!(!db_player_field(0, "Map", "日本語移動名", "Move Name", false)); // Name
+        assert!(!db_player_field(0, "Monster", "ファイル", "File", false)); // Internal
+        // Default (unlabeled non-first) is Content, so db-strings keeps it.
+        assert!(db_player_field(0, "Misc", "謎ラベル", "謎ラベル", false));
+    }
+
+    #[test]
+    fn translatable_filter_rejects_pure_substitution() {
+        // Pure variable refs or UI glyphs. Nothing for a translator.
+        assert!(!has_translatable_text("\\cself[5]"));
+        assert!(!has_translatable_text("\\f[\\cself[18]]\\E▲"));
+        assert!(!has_translatable_text("\\f[\\cself[19]]\\cself[6]"));
+        assert!(!has_translatable_text(
+            "<R>\\space[0]\\f[\\cself[17]]\\-[1]\\E\\cself[6]"
+        ));
+        assert!(!has_translatable_text("+"));
+        // Real text, including text wrapped around an embedded substitution.
+        assert!(has_translatable_text("No data available"));
+        assert!(has_translatable_text("「\\cself[8]」を手に入れた。"));
+        assert!(has_translatable_text("やめる"));
+    }
+
+    #[test]
+    fn translatable_filter_rejects_engine_data_tokens() {
+        // Single-letter id/index cells (英字id columns, skill-tree layer flags) and CG/asset codes.
+        for junk in [
+            "a", "b", "z", "5", "A006", "A000", "nx1", "_syst00", "m_09_01", "mc01", "CharaChip2",
+        ] {
+            assert!(!has_translatable_text(junk), "{junk:?} should be filtered as engine data");
+        }
+        // A variable-expression that strips to a bare underscore identifier.
+        assert!(!has_translatable_text("_syst00\\cself[10]"));
+        // Real text must survive: plain ASCII words, labels, measurements, and any CJK.
+        for keep in [
+            "Sell",
+            "HP",
+            "OK",
+            "Nofile",
+            "Lv",
+            "No data available",
+            "Game Over",
+            "138cm\r\n36kg",
+            "アイリス",
+            "全回復",
+            "一", // a lone kanji can be a name, never engine data
+        ] {
+            assert!(has_translatable_text(keep), "{keep:?} should be kept as translatable");
+        }
+    }
+
+    #[test]
+    fn noise_token_never_fires_on_cjk() {
+        // Even a one-character kanji or a kanji glued to ASCII is not engine data.
+        assert!(!is_noise_token("一"));
+        assert!(!is_noise_token("S淫乱度"));
+        assert!(is_noise_token("a"));
+        assert!(is_noise_token("A006"));
+        assert!(!is_noise_token("Sell"));
+    }
+
+    #[test]
+    fn angle_token_rejected_but_real_labels_kept() {
+        // Lone engine placeholders (a \cdb read concatenated with a literal fallback strip to this).
+        for junk in ["<Notfound>", "<NoFile>", "<L>", "<b>", "<br>"] {
+            assert!(is_noise_token(junk), "{junk:?} should be engine noise");
+            assert!(!has_translatable_text(junk), "{junk:?} not translatable");
+        }
+        assert!(!has_translatable_text("\\cdb[11:\\cself[21]:0]<Notfound>"));
+        // CJK menu labels, multiple bracket pairs, and text around a bracket all stay.
+        for keep in [
+            "<装備を外す>",
+            "<Initialize> <Equipment Adjustment>",
+            "put <SCREENSHOT> in the picture",
+            "★NoFile>\\cself[5]ファイルがありません",
+        ] {
+            assert!(has_translatable_text(keep), "{keep:?} should be kept");
+        }
+    }
+
+    #[test]
+    fn code_list_rejected_but_real_short_lists_kept() {
+        for junk in [
+            "a0,b0,c1,d1,e0,f2,g2,h0,k0,l0,i0",
+            "a0,b0,c0,d0,e0,f0",
+            "f3,g3",
+            "g\\cself[44],h\\cself[44]",
+            "p\\cself[12],l100",
+            ",p\\cself[44],q\\cself[44]",
+        ] {
+            assert!(is_code_list(junk), "{junk:?} should read as a code list");
+            assert!(!has_translatable_text(junk), "{junk:?} not translatable");
+        }
+        // Real short comma lists: capitalised, multi-letter, or CJK leads keep them out of scope.
+        // None must read as a code list (so the rule never misfires).
+        for keep in [
+            "OK,Cancel", "Yes,No", "HP,MP", "HP,MP,Lv", "Buy,Sell", "Fire,Ice", "S,A,B,C",
+            "Lv1,Lv2", "L1,R1", "No1,No2", "1,2,3", "100,200", "装備,解除",
+        ] {
+            assert!(!is_code_list(keep), "{keep:?} must NOT read as a code list");
+        }
+        // The ones carrying real words stay translatable (the pure-number lists have no letters, so
+        // they are correctly not translatable regardless, and are not asserted here).
+        for keep in ["OK,Cancel", "HP,MP", "Buy,Sell", "Fire,Ice", "Lv1,Lv2", "L1,R1", "装備,解除"] {
+            assert!(has_translatable_text(keep), "{keep:?} should be kept");
+        }
+    }
+
+    #[test]
+    fn asset_path_list_rejected_but_real_slashes_kept() {
+        for junk in [
+            "EVCG_b0/B000/B0_a000.png\r\nEVCG_b0/B000/B0_d000.png",
+            "EVCG_a0/A000/",
+            "EVCG_e0/E000/E0_a000.png\r\nEVCG_e0/E000/E0_o0\\cself[36]0.png",
+            "b/r/i/j/m/zv/zx",
+        ] {
+            assert!(value_is_asset_path_list(junk), "{junk:?} should read as a path list");
+        }
+        // A single slash inside a real phrase, a 2-token ratio, or any CJK stays text.
+        for keep in ["HP/MP", "Buy/Sell", "スキル/アイテム", "1/4 of max HP", "OK", "<装備を外す>"] {
+            assert!(!value_is_asset_path_list(keep), "{keep:?} must stay text");
+        }
+    }
+
+    #[test]
+    fn db_short_code_rejected_but_words_and_names_kept() {
+        for junk in ["za", "zb", "kc", "la", "ma", "nn", "ac", "abc", "hb", "hc", "kg", "mg", "nd"] {
+            assert!(is_db_short_code(junk), "{junk:?} should read as a DB short code");
+        }
+        // Words/labels/names: lowercase 2-3 is the only catch, so uppercase or >3 stays.
+        // (gem/ml are real in the COMMAND stream, where this rule never runs.)
+        for keep in ["OK", "HP", "Lv", "Iris", "Lisa", "Sion", "Fire", "item", "<装備を外す>", "助ける"] {
+            assert!(!is_db_short_code(keep), "{keep:?} must NOT read as a short code");
+        }
+    }
+}
diff --git a/util/wolfdawn-master/crates/wolf-decompiler/src/symbols.rs b/util/wolfdawn-master/crates/wolf-decompiler/src/symbols.rs
new file mode 100644
index 0000000..864ad67
--- /dev/null
+++ b/util/wolfdawn-master/crates/wolf-decompiler/src/symbols.rs
@@ -0,0 +1,308 @@
+//! Cross-file symbol table for name resolution. Turns numeric ids in event code into readable
+//! names. CommonEvent ids map to names plus per-event self-var and input names from the event's
+//! own metadata. Global `V[]`/`S[]`/`Sys[]` ids map to names from the System Database. An optional
+//! engine glossary maps stock common-event JP names to English.
+
+use std::collections::HashMap;
+
+use serde::Deserialize;
+use wolf_formats::common_event::CommonEventsFile;
+use wolf_formats::database::Database;
+
+use crate::text::decode_wstr;
+
+/// The engine-default glossary, generated by the readability workflow and embedded.
+static GLOSSARY_JSON: &str = include_str!("../data/glossary.json");
+
+/// Engine-text glossary (structural JP to English), generated by the translation workflow.
+static ENGINE_GLOSSARY_JSON: &str = include_str!("../data/engine_glossary.json");
+
+/// Load the embedded engine-text glossary (structural name translations).
+pub fn load_embedded_engine_glossary() -> HashMap<String, String> {
+    #[derive(Deserialize)]
+    struct File {
+        pairs: Vec<Pair>,
+    }
+    #[derive(Deserialize)]
+    struct Pair {
+        jp: String,
+        en: String,
+    }
+    let json = ENGINE_GLOSSARY_JSON.trim_start_matches('\u{feff}');
+    match serde_json::from_str::<File>(json) {
+        Ok(f) => f.pairs.into_iter().map(|p| (p.jp, p.en)).collect(),
+        Err(_) => HashMap::new(),
+    }
+}
+
+/// Load the embedded engine-default common-event glossary (stock JP name to English).
+pub fn load_embedded_glossary() -> Glossary {
+    #[derive(Deserialize)]
+    struct File {
+        entries: Vec<Entry>,
+    }
+    #[derive(Deserialize)]
+    struct Entry {
+        jp_name: String,
+        en_name: String,
+        #[serde(default)]
+        args: Vec<String>,
+    }
+    let json = GLOSSARY_JSON.trim_start_matches('\u{feff}');
+    match serde_json::from_str::<File>(json) {
+        Ok(f) => Glossary::from_pairs(f.entries.into_iter().map(|e| {
+            (
+                e.jp_name,
+                GlossaryEntry {
+                    en_name: e.en_name,
+                    args: e.args,
+                },
+            )
+        })),
+        Err(_) => Glossary::default(),
+    }
+}
+
+#[derive(Debug, Clone, Default)]
+pub struct SymbolTable {
+    /// CommonEvent int-id to metadata (name, self-var names, input arg names).
+    pub common_events: HashMap<u32, CommonEventInfo>,
+    /// Global variable names from the System Database.
+    pub globals: GlobalNames,
+    /// Databases by kind (UDB/CDB/SDB), each holding type/data/field names.
+    pub databases: Vec<DatabaseNames>,
+    /// Engine-default function glossary (stock JP name to English).
+    pub glossary: Glossary,
+    /// Engine-text glossary: structural JP name to English (variable, DB type, field, and
+    /// system-row names). Player-facing game text is absent.
+    pub engine_text: HashMap<String, String>,
+}
+
+#[derive(Debug, Clone, Default)]
+pub struct CommonEventInfo {
+    pub name: String,
+    /// CSelf index to name, from `unknown8`, the per-event self-variable names.
+    pub self_vars: HashMap<u32, String>,
+    /// Input argument names in order (leading non-empty `unknown3` entries).
+    pub inputs: Vec<String>,
+}
+
+#[derive(Debug, Clone, Default)]
+pub struct GlobalNames {
+    /// `V[n]`, normal/global variables ("通常変数名").
+    pub normal: HashMap<u32, String>,
+    /// `S[n]`, string variables ("文字列変数名").
+    pub string: HashMap<u32, String>,
+    /// `Sys[n]`, system variables ("システム変数名").
+    pub system: HashMap<u32, String>,
+}
+
+#[derive(Debug, Clone)]
+pub struct DatabaseNames {
+    pub kind: String,
+    pub types: Vec<TypeNames>,
+}
+
+#[derive(Debug, Clone)]
+pub struct TypeNames {
+    pub name: String,
+    pub data: Vec<String>,
+    pub fields: Vec<String>,
+}
+
+/// Engine-default glossary: stock common-event JP name to English signature.
+#[derive(Debug, Clone, Default)]
+pub struct Glossary {
+    entries: HashMap<String, GlossaryEntry>,
+}
+
+#[derive(Debug, Clone)]
+pub struct GlossaryEntry {
+    pub en_name: String,
+    pub args: Vec<String>,
+}
+
+impl Glossary {
+    pub fn from_pairs(pairs: impl IntoIterator<Item = (String, GlossaryEntry)>) -> Self {
+        Glossary {
+            entries: pairs.into_iter().collect(),
+        }
+    }
+
+    pub fn get(&self, jp_name: &str) -> Option<&GlossaryEntry> {
+        self.entries.get(jp_name)
+    }
+
+    pub fn is_empty(&self) -> bool {
+        self.entries.is_empty()
+    }
+}
+
+const NAME_NORMAL: &str = "通常変数名";
+const NAME_STRING: &str = "文字列変数名";
+const NAME_SYSTEM: &str = "システム変数名";
+/// Reserve/spare variable groups (`予備変数1`..`予備変数9`). Each names the normal variables at
+/// `V[group*100000 + row]`.
+const NAME_SPARE: &str = "予備変数";
+
+impl SymbolTable {
+    pub fn new() -> Self {
+        SymbolTable::default()
+    }
+
+    /// Register CommonEvent metadata (names plus self-var and input names).
+    pub fn add_common_events(&mut self, ce: &CommonEventsFile) {
+        for ev in &ce.events {
+            let name = decode_wstr(&ev.name, ce.utf8);
+
+            // Self-var names: the unknown8 index equals the CSelf index.
+            let mut self_vars = HashMap::new();
+            for (i, w) in ev.unknown8.iter().enumerate() {
+                let n = decode_wstr(w, ce.utf8);
+                if !n.is_empty() {
+                    self_vars.insert(i as u32, n);
+                }
+            }
+
+            // Inputs: leading contiguous non-empty unknown3 entries.
+            let mut inputs = Vec::new();
+            for w in &ev.unknown3 {
+                let n = decode_wstr(w, ce.utf8);
+                if n.is_empty() {
+                    break;
+                }
+                inputs.push(n);
+            }
+
+            self.common_events.insert(
+                ev.int_id,
+                CommonEventInfo {
+                    name,
+                    self_vars,
+                    inputs,
+                },
+            );
+        }
+    }
+
+    /// Register a database's type/data/field names, and for the System Database the global
+    /// variable name tables.
+    pub fn add_database(&mut self, kind: &str, db: &Database) {
+        for t in &db.types {
+            let type_name = decode_wstr(&t.name, db.utf8);
+            let target = match type_name.as_str() {
+                NAME_NORMAL => Some(&mut self.globals.normal),
+                NAME_STRING => Some(&mut self.globals.string),
+                NAME_SYSTEM => Some(&mut self.globals.system),
+                _ => None,
+            };
+            if let Some(map) = target {
+                for (i, d) in t.data.iter().enumerate() {
+                    let n = decode_wstr(&d.name, db.utf8);
+                    if !n.is_empty() {
+                        map.insert(i as u32, n);
+                    }
+                }
+            }
+
+            // Spare/reserve variable groups name V[group*100000 + row].
+            if let Some(g) = type_name
+                .strip_prefix(NAME_SPARE)
+                .and_then(|s| s.parse::<u32>().ok())
+                .filter(|g| (1..=9).contains(g))
+            {
+                let base = g * 100_000;
+                for (i, d) in t.data.iter().enumerate() {
+                    let n = decode_wstr(&d.name, db.utf8);
+                    if !n.is_empty() {
+                        self.globals.normal.insert(base + i as u32, n);
+                    }
+                }
+            }
+        }
+
+        let types = db
+            .types
+            .iter()
+            .map(|t| TypeNames {
+                name: decode_wstr(&t.name, db.utf8),
+                data: t
+                    .data
+                    .iter()
+                    .map(|d| decode_wstr(&d.name, db.utf8))
+                    .collect(),
+                fields: t
+                    .fields
+                    .iter()
+                    .map(|f| decode_wstr(&f.name, db.utf8))
+                    .collect(),
+            })
+            .collect();
+        self.databases.push(DatabaseNames {
+            kind: kind.to_string(),
+            types,
+        });
+    }
+
+    pub fn set_glossary(&mut self, glossary: Glossary) {
+        self.glossary = glossary;
+    }
+
+    pub fn set_engine_text(&mut self, engine_text: HashMap<String, String>) {
+        self.engine_text = engine_text;
+    }
+
+    /// Translate a structural name to English via the engine-text glossary, or return it
+    /// unchanged. Player-facing content is absent from the glossary, so it stays as-is.
+    pub fn tr<'a>(&'a self, name: &'a str) -> &'a str {
+        self.engine_text
+            .get(name)
+            .map(String::as_str)
+            .unwrap_or(name)
+    }
+
+    pub fn common_event(&self, id: u32) -> Option<&CommonEventInfo> {
+        self.common_events.get(&id)
+    }
+
+    pub fn common_event_name(&self, id: u32) -> Option<&str> {
+        self.common_events.get(&id).map(|i| i.name.as_str())
+    }
+
+    /// Reverse lookup by exact name (for call-by-name commands).
+    pub fn common_event_by_name(&self, name: &str) -> Option<&CommonEventInfo> {
+        self.common_events.values().find(|i| i.name == name)
+    }
+
+    /// Resolve a database entry (`type name`, `row index`) to its row name, for turning, say,
+    /// `ItemId=17` into `ItemId="ポーション"`. Searches all loaded databases.
+    pub fn db_entry_name(&self, type_name: &str, row: u32) -> Option<&str> {
+        self.db_type(type_name)
+            .and_then(|t| t.data.get(row as usize))
+            .map(String::as_str)
+            .filter(|s| !s.is_empty())
+    }
+
+    /// Resolve a database field (column) index to its name within a type.
+    pub fn db_field_name(&self, type_name: &str, field: u32) -> Option<&str> {
+        self.db_type(type_name)
+            .and_then(|t| t.fields.get(field as usize))
+            .map(String::as_str)
+            .filter(|s| !s.is_empty())
+    }
+
+    fn db_type(&self, type_name: &str) -> Option<&TypeNames> {
+        self.databases
+            .iter()
+            .flat_map(|db| &db.types)
+            .find(|t| t.name == type_name)
+    }
+
+    /// Which database kind (UDB/CDB/SDB) holds a given type.
+    pub fn db_kind_of_type(&self, type_name: &str) -> Option<&str> {
+        self.databases
+            .iter()
+            .find(|db| db.types.iter().any(|t| t.name == type_name))
+            .map(|db| db.kind.as_str())
+    }
+}
diff --git a/util/wolfdawn-master/crates/wolf-decompiler/src/text.rs b/util/wolfdawn-master/crates/wolf-decompiler/src/text.rs
new file mode 100644
index 0000000..df272a3
--- /dev/null
+++ b/util/wolfdawn-master/crates/wolf-decompiler/src/text.rs
@@ -0,0 +1,102 @@
+//! Shared string decoding for the readable layer. Wolf strings are raw bytes, either
+//! Shift-JIS or UTF-8 depending on the file. Decode them to a UTF-8 `String` for
+//! display and names.
+
+use wolf_formats::WStr;
+
+/// Decode a Wolf string to UTF-8, trimming the trailing NUL UTF-8 files carry.
+pub fn decode_wstr(s: &WStr, utf8: bool) -> String {
+    let mut bytes = s.as_bytes();
+    if utf8 && bytes.last() == Some(&0) {
+        bytes = &bytes[..bytes.len() - 1];
+    }
+    if utf8 {
+        String::from_utf8_lossy(bytes).into_owned()
+    } else {
+        let (text, _, _) = encoding_rs::SHIFT_JIS.decode(bytes);
+        text.into_owned()
+    }
+}
+
+/// Decode and escape a string for a WolfScript double-quoted literal.
+pub fn quote_wstr(s: &WStr, utf8: bool) -> String {
+    escape_literal(&decode_wstr(s, utf8))
+}
+
+/// Render a Wolf string as a byte-exact WolfScript literal. Emits a readable `"text"` when
+/// the bytes decode and re-encode identically in the file's encoding, otherwise a raw
+/// `x"HEX"` literal carrying the exact bytes including the trailing NUL. The inverse is
+/// [`text_to_wstr`] (or the hex path). Used by the recompilable renderer so strings
+/// round-trip in any encoding, including inside block openers that bypass the per-command
+/// `@raw` fallback.
+pub fn wstr_to_literal(w: &WStr, utf8: bool) -> String {
+    match clean_literal_text(w, utf8) {
+        Some(text) => escape_literal(&text),
+        None => format!("x\"{}\"", to_hex(w.as_bytes())),
+    }
+}
+
+/// Encode already-unescaped literal text into a Wolf string (file encoding + trailing NUL).
+/// Errors if the text can't be represented in the file's encoding (e.g. a non-Shift-JIS char
+/// hand-typed into a Shift-JIS file).
+pub fn text_to_wstr(text: &str, utf8: bool) -> Result<WStr, String> {
+    let mut bytes = encode_body(text, utf8).ok_or_else(|| {
+        format!(
+            "text not representable in {}: {text:?}",
+            if utf8 { "UTF-8" } else { "Shift-JIS" }
+        )
+    })?;
+    bytes.push(0);
+    Ok(WStr(bytes))
+}
+
+/// Decode a string for a readable literal only when it round-trips byte-exact, else `None` to
+/// use hex.
+fn clean_literal_text(w: &WStr, utf8: bool) -> Option<String> {
+    let body = w.as_bytes().strip_suffix(&[0u8])?; // Wolf strings carry a trailing NUL.
+    let text = if utf8 {
+        std::str::from_utf8(body).ok()?.to_owned()
+    } else {
+        let (t, _, had_err) = encoding_rs::SHIFT_JIS.decode(body);
+        if had_err {
+            return None;
+        }
+        t.into_owned()
+    };
+    // Control chars other than tab/CR/LF have no readable escaped form. Keep them in hex.
+    if text
+        .chars()
+        .any(|c| c.is_control() && !matches!(c, '\t' | '\n' | '\r'))
+    {
+        return None;
+    }
+    (encode_body(&text, utf8)?.as_slice() == body).then_some(text)
+}
+
+fn encode_body(text: &str, utf8: bool) -> Option<Vec<u8>> {
+    if utf8 {
+        Some(text.as_bytes().to_vec())
+    } else {
+        let (bytes, _, had_err) = encoding_rs::SHIFT_JIS.encode(text);
+        (!had_err).then(|| bytes.into_owned())
+    }
+}
+
+fn escape_literal(text: &str) -> String {
+    let esc = text
+        .replace('\\', "\\\\")
+        .replace('"', "\\\"")
+        .replace('\r', "\\r")
+        .replace('\n', "\\n")
+        .replace('\t', "\\t");
+    format!("\"{esc}\"")
+}
+
+fn to_hex(bytes: &[u8]) -> String {
+    use std::fmt::Write;
+    let mut s = String::with_capacity(bytes.len() * 2);
+    for b in bytes {
+        let _ = write!(s, "{b:02x}");
+    }
+    s
+}
diff --git a/util/wolfdawn-master/crates/wolf-decompiler/src/txt_events.rs b/util/wolfdawn-master/crates/wolf-decompiler/src/txt_events.rs
new file mode 100644
index 0000000..a881faa
--- /dev/null
+++ b/util/wolfdawn-master/crates/wolf-decompiler/src/txt_events.rs
@@ -0,0 +1,441 @@
+//! External event-text `.txt` files. Some GamePro games keep every line of dialogue and
+//! narration in plain Shift-JIS (or, for newer games, UTF-8) `.txt` files that the engine reads
+//! at runtime, one file per scene. The `Evtext*.wolf` archives unpack to thousands of them. The
+//! command-stream extractor in `strings.rs` never sees this text, so without this module it is
+//! the single biggest recall gap for those games.
+//!
+//! The format is line-based. A line that starts with `/` is an engine command or a `//` comment
+//! (CG control, page break, a stat tweak like `/胸+1`, and so on) and is never shown to the
+//! player. A blank line is spacing. Every other non-blank line is displayed text. So a line is
+//! translatable exactly when it does not start with `/` and is not blank.
+//!
+//! Extraction emits only the translatable lines, each tagged with its 0-based line index so
+//! injection knows which line to replace. Command, comment, and blank lines are reconstructed
+//! from the base on inject, so they round-trip byte-exact. A no-op inject (every `text` equal to
+//! its `source`) reproduces the base file byte-for-byte, including the original line endings, the
+//! original encoding, and a missing trailing newline.
+
+use std::fmt::Write as _;
+
+use serde_json::Value;
+
+// ----------------------------------------------------------------------------
+// Decoding + line splitting
+// ----------------------------------------------------------------------------
+
+/// The file's text encoding. A `.txt` event file is Shift-JIS for the older GamePro games and
+/// UTF-8 for newer ones. We detect rather than guess so both round-trip.
+#[derive(Clone, Copy, PartialEq, Eq)]
+enum Enc {
+    Sjis,
+    Utf8,
+}
+
+impl Enc {
+    fn tag(self) -> &'static str {
+        match self {
+            Enc::Sjis => "sjis",
+            Enc::Utf8 => "utf8",
+        }
+    }
+}
+
+/// Decode the raw bytes, choosing the encoding. Valid UTF-8 wins (it is the stricter test, and a
+/// genuine Shift-JIS file with high bytes is almost never accidentally valid UTF-8), otherwise we
+/// fall back to Shift-JIS, which the older games use. A UTF-8 BOM, if present, is treated as part
+/// of the first line's bytes so it survives the round-trip untouched.
+fn decode(bytes: &[u8]) -> (String, Enc) {
+    match std::str::from_utf8(bytes) {
+        Ok(s) => (s.to_owned(), Enc::Utf8),
+        Err(_) => {
+            let (text, _, _) = encoding_rs::SHIFT_JIS.decode(bytes);
+            (text.into_owned(), Enc::Sjis)
+        }
+    }
+}
+
+/// Re-encode decoded text in the chosen encoding. Returns `None` when the text has a char the
+/// encoding cannot represent (a non-Shift-JIS char hand-typed into a Shift-JIS file), mirroring
+/// the encoding guard `text.rs` uses for the command-stream path.
+fn encode(text: &str, enc: Enc) -> Option<Vec<u8>> {
+    match enc {
+        Enc::Utf8 => Some(text.as_bytes().to_vec()),
+        Enc::Sjis => {
+            let (bytes, _, had_err) = encoding_rs::SHIFT_JIS.encode(text);
+            (!had_err).then(|| bytes.into_owned())
+        }
+    }
+}
+
+/// One physical line: its content (no terminator) and the exact terminator that followed it. The
+/// terminator is `"\r\n"`, `"\n"`, `"\r"`, or `""` for the last line when the file has no trailing
+/// newline. Capturing the real terminator per line, rather than assuming one EOL for the whole
+/// file, keeps reconstruction byte-exact even if a file mixes line endings.
+struct Line<'a> {
+    content: &'a str,
+    eol: &'a str,
+}
+
+/// Split decoded text into lines, recording each line's exact terminator. A final segment with no
+/// terminator (no trailing newline at EOF) is kept as a last line with an empty terminator, so it
+/// re-joins without inventing a newline. An empty input yields no lines.
+fn split_lines(text: &str) -> Vec<Line<'_>> {
+    let mut lines = Vec::new();
+    let bytes = text.as_bytes();
+    let mut start = 0;
+    let mut i = 0;
+    while i < bytes.len() {
+        match bytes[i] {
+            b'\n' => {
+                lines.push(Line {
+                    content: &text[start..i],
+                    eol: "\n",
+                });
+                i += 1;
+                start = i;
+            }
+            b'\r' => {
+                let eol = if bytes.get(i + 1) == Some(&b'\n') {
+                    "\r\n"
+                } else {
+                    "\r"
+                };
+                lines.push(Line {
+                    content: &text[start..i],
+                    eol,
+                });
+                i += eol.len();
+                start = i;
+            }
+            _ => i += 1,
+        }
+    }
+    if start < bytes.len() {
+        // Trailing segment with no terminator (file does not end in a newline).
+        lines.push(Line {
+            content: &text[start..],
+            eol: "",
+        });
+    }
+    lines
+}
+
+/// A line is translatable when it is not blank and does not start with `/`. The `/` test is on
+/// the first byte with no whitespace stripping. The real game files never indent a command, and a
+/// displayed line that genuinely begins with a leading space (full sentences sometimes do) keeps
+/// that space as part of its on-screen text, so trimming first would be wrong on both counts.
+fn is_translatable(content: &str) -> bool {
+    !content.is_empty() && !content.starts_with('/')
+}
+
+/// The dominant EOL for the document metadata. Reports `crlf` if any line ends in `\r\n`, else
+/// `lf`. Only informational. Reconstruction always uses each line's captured terminator.
+fn dominant_eol(lines: &[Line<'_>]) -> &'static str {
+    if lines.iter().any(|l| l.eol == "\r\n") {
+        "crlf"
+    } else {
+        "lf"
+    }
+}
+
+// ----------------------------------------------------------------------------
+// Extraction
+// ----------------------------------------------------------------------------
+
+/// Extract the translatable lines of an event-text `.txt` file as a translation JSON document.
+///
+/// The shape is `{ "kind":"txt", "encoding":"sjis|utf8", "eol":"crlf|lf", "lines":[ {"i":<0-based
+/// line index>, "source":"<line>", "text":"<same as source initially>"} ... ] }`. Only the
+/// translatable lines get an entry. Command, comment, and blank lines carry no entry because
+/// inject rebuilds them from the base. `text` starts equal to `source`. A translator edits
+/// `text`. `source` is kept for the inject drift guard.
+pub fn extract_txt_events(bytes: &[u8]) -> String {
+    let (text, enc) = decode(bytes);
+    let lines = split_lines(&text);
+    let eol = dominant_eol(&lines);
+
+    let mut s = String::new();
+    s.push_str("{\n");
+    let _ = write!(s, "  \"kind\": \"txt\",\n");
+    let _ = write!(s, "  \"encoding\": {},\n", jstr(enc.tag()));
+    let _ = write!(s, "  \"eol\": {},\n", jstr(eol));
+    s.push_str("  \"lines\": [\n");
+    let keep: Vec<(usize, &str)> = lines
+        .iter()
+        .enumerate()
+        .filter(|(_, l)| is_translatable(l.content))
+        .map(|(i, l)| (i, l.content))
+        .collect();
+    for (n, (i, content)) in keep.iter().enumerate() {
+        let _ = write!(
+            s,
+            "    {{\"i\": {}, \"source\": {}, \"text\": {}}}",
+            i,
+            jstr(content),
+            jstr(content)
+        );
+        s.push_str(if n + 1 == keep.len() { "\n" } else { ",\n" });
+    }
+    s.push_str("  ]\n}\n");
+    s
+}
+
+// ----------------------------------------------------------------------------
+// Injection
+// ----------------------------------------------------------------------------
+
+/// Apply an edited translation JSON back onto the base `.txt` bytes, byte-exact.
+///
+/// The base is re-decoded into lines, so command, comment, and blank lines (and the exact line
+/// terminators) come straight from the original. Each translatable line `i` is replaced with its
+/// `text` only when `text` differs from `source` and the base line still holds `source` (a drift
+/// guard). The lines are re-joined with their original terminators and re-encoded in the original
+/// encoding. A no-op (every `text` equal to its `source`) reproduces the base byte-for-byte.
+///
+/// A translation is skipped, leaving the base line untouched, when it contains a newline (that
+/// would split one line into two) or when it is not representable in the file's encoding
+/// (Shift-JIS). Both cases print a warning, the same way the command-stream `write_translation`
+/// guards encoding, and the rest of the batch still applies.
+pub fn inject_txt_events(json: &str, base_bytes: &[u8]) -> Result<Vec<u8>, String> {
+    let root: Value = serde_json::from_str(json).map_err(|e| format!("invalid JSON: {e}"))?;
+    let (text, enc) = decode(base_bytes);
+    let lines = split_lines(&text);
+    // Each line starts as its original content. Edits overwrite the content of translatable lines.
+    let mut content: Vec<String> = lines.iter().map(|l| l.content.to_owned()).collect();
+
+    let entries = root
+        .get("lines")
+        .and_then(Value::as_array)
+        .ok_or("txt translation JSON has no `lines` array")?;
+    for ln in entries {
+        let i = ln
+            .get("i")
+            .and_then(Value::as_u64)
+            .ok_or("txt line entry has no integer `i`")? as usize;
+        let source = ln.get("source").and_then(Value::as_str).unwrap_or("");
+        let text_new = ln.get("text").and_then(Value::as_str).unwrap_or(source);
+        if text_new == source {
+            continue;
+        }
+        let Some(cur) = content.get_mut(i) else {
+            eprintln!("txt line {i}: out of range in base (drifted); skipping");
+            continue;
+        };
+        // Drift guard: only overwrite if the base line still holds the recorded source.
+        if cur != source {
+            eprintln!("txt line {i}: base no longer holds the recorded source (drifted); skipping");
+            continue;
+        }
+        // A newline in the translation would split one line into two and desync every later
+        // index. Reject it and keep the original line.
+        if text_new.contains('\n') || text_new.contains('\r') {
+            eprintln!("txt line {i}: translation contains a newline; skipping (keep it on one line)");
+            continue;
+        }
+        // The translated line must be representable in the file's encoding (Shift-JIS games).
+        if encode(text_new, enc).is_none() {
+            eprintln!(
+                "txt line {i}: text not representable in {}: {text_new:?}; choose an encodable equivalent",
+                enc.tag()
+            );
+            continue;
+        }
+        *cur = text_new.to_owned();
+    }
+
+    // Re-join with the original per-line terminators, then re-encode.
+    let mut rebuilt = String::with_capacity(text.len());
+    for (l, c) in lines.iter().zip(content.iter()) {
+        rebuilt.push_str(c);
+        rebuilt.push_str(l.eol);
+    }
+    encode(&rebuilt, enc).ok_or_else(|| {
+        format!(
+            "rebuilt text not representable in {} (this should not happen after the per-line guard)",
+            enc.tag()
+        )
+    })
+}
+
+// ----------------------------------------------------------------------------
+// Directory (folder of .txt files) combined document
+// ----------------------------------------------------------------------------
+
+/// Build one combined translation JSON for a folder of event-text files. Each `(name, bytes)`
+/// pair is extracted and embedded under a `files` array with its `file` name, so a single document
+/// covers a whole `Evtext` folder and `inject_txt_dir` can route each entry back to its base file.
+/// The caller supplies the files in the order they should appear (sorted by name for stability).
+pub fn extract_txt_dir(files: &[(String, Vec<u8>)]) -> String {
+    let mut entries = Vec::with_capacity(files.len());
+    for (name, bytes) in files {
+        let mut obj: Value = serde_json::from_str(&extract_txt_events(bytes))
+            .expect("extract_txt_events always emits valid JSON");
+        if let Value::Object(map) = &mut obj {
+            // Put `file` first by rebuilding the map with it at the front.
+            let mut with_name = serde_json::Map::new();
+            with_name.insert("file".to_string(), Value::String(name.clone()));
+            for (k, v) in map.iter() {
+                with_name.insert(k.clone(), v.clone());
+            }
+            obj = Value::Object(with_name);
+        }
+        entries.push(obj);
+    }
+    let doc = serde_json::json!({ "kind": "txt-dir", "files": entries });
+    // Pretty-print so a translator can edit it by hand, matching the readable single-file output.
+    serde_json::to_string_pretty(&doc).unwrap_or_else(|_| "{}".to_string()) + "\n"
+}
+
+/// One file's edits parsed out of a combined `txt-dir` document: its base file name and the
+/// per-file JSON to feed to [`inject_txt_events`]. Returned in document order.
+pub fn split_txt_dir(json: &str) -> Result<Vec<(String, String)>, String> {
+    let root: Value = serde_json::from_str(json).map_err(|e| format!("invalid JSON: {e}"))?;
+    let files = root
+        .get("files")
+        .and_then(Value::as_array)
+        .ok_or("txt-dir JSON has no `files` array")?;
+    let mut out = Vec::with_capacity(files.len());
+    for entry in files {
+        let name = entry
+            .get("file")
+            .and_then(Value::as_str)
+            .ok_or("a files[] entry has no `file` name")?
+            .to_owned();
+        out.push((name, entry.to_string()));
+    }
+    Ok(out)
+}
+
+// ----------------------------------------------------------------------------
+// JSON string escaping (matches the other extractors)
+// ----------------------------------------------------------------------------
+
+fn jstr(s: &str) -> String {
+    let mut out = String::with_capacity(s.len() + 2);
+    out.push('"');
+    for c in s.chars() {
+        match c {
+            '"' => out.push_str("\\\""),
+            '\\' => out.push_str("\\\\"),
+            '\n' => out.push_str("\\n"),
+            '\r' => out.push_str("\\r"),
+            '\t' => out.push_str("\\t"),
+            c if (c as u32) < 0x20 => {
+                let _ = write!(out, "\\u{:04x}", c as u32);
+            }
+            c => out.push(c),
+        }
+    }
+    out.push('"');
+    out
+}
+
+#[cfg(test)]
+mod tests {
+    use super::*;
+
+    fn extracted_texts(json: &str) -> Vec<String> {
+        let v: Value = serde_json::from_str(json).unwrap();
+        v["lines"]
+            .as_array()
+            .unwrap()
+            .iter()
+            .map(|l| l["source"].as_str().unwrap().to_owned())
+            .collect()
+    }
+
+    #[test]
+    fn noop_is_byte_exact_crlf_with_commands_and_blanks() {
+        // CRLF, a `//` comment, a `/` command, blank lines, CJK dialogue, no trailing newline.
+        let text = "//tag comment\r\n/evcg,a0\r\nアイリス：\r\nこんにちは\r\n\r\n/b\r\n最後の行";
+        let bytes = encoding_rs::SHIFT_JIS.encode(text).0.into_owned();
+        let json = extract_txt_events(&bytes);
+        let out = inject_txt_events(&json, &bytes).unwrap();
+        assert_eq!(out, bytes, "no-op inject must be byte-exact");
+    }
+
+    #[test]
+    fn extraction_excludes_commands_and_blanks() {
+        let text = "//comment\r\n/evcg,a0\r\nアイリス：\r\n本当のセリフ\r\n\r\n/b\r\n";
+        let bytes = encoding_rs::SHIFT_JIS.encode(text).0.into_owned();
+        let json = extract_txt_events(&bytes);
+        let got = extracted_texts(&json);
+        assert_eq!(got, vec!["アイリス：".to_string(), "本当のセリフ".to_string()]);
+        assert!(!json.contains("/evcg"), "command line must not be extracted");
+        assert!(!json.contains("//comment"), "comment line must not be extracted");
+    }
+
+    #[test]
+    fn edit_round_trip_keeps_commands_intact() {
+        let text = "/evcg,a0\r\nアイリス：\r\n元のセリフ\r\n/b\r\n";
+        let bytes = encoding_rs::SHIFT_JIS.encode(text).0.into_owned();
+        let json = extract_txt_events(&bytes);
+        // Change the line whose source is `元のセリフ`.
+        let edited = json.replacen(
+            r#""source": "元のセリフ", "text": "元のセリフ""#,
+            r#""source": "元のセリフ", "text": "新しいセリフ""#,
+            1,
+        );
+        assert_ne!(edited, json, "the replacement should have matched");
+        let out = inject_txt_events(&edited, &bytes).unwrap();
+        let re = extract_txt_events(&out);
+        assert!(extracted_texts(&re).contains(&"新しいセリフ".to_string()));
+        let (decoded, _) = decode(&out);
+        assert!(decoded.contains("/evcg,a0"), "command line must survive");
+        assert!(decoded.contains("/b"), "page-break command must survive");
+        assert!(!decoded.contains("元のセリフ"), "old text should be gone");
+    }
+
+    #[test]
+    fn lf_only_and_leading_space_line_and_utf8() {
+        // LF endings, a UTF-8 file, a dialogue line that starts with a real leading space, and a
+        // command line. The leading-space line is text (the space is part of it), the `/` line is
+        // not.
+        let text = "/cmd\n line with leading space\nnormal\n";
+        let bytes = text.as_bytes().to_vec();
+        let json = extract_txt_events(&bytes);
+        let v: Value = serde_json::from_str(&json).unwrap();
+        assert_eq!(v["encoding"], "utf8");
+        assert_eq!(v["eol"], "lf");
+        let got = extracted_texts(&json);
+        assert_eq!(got, vec![" line with leading space".to_string(), "normal".to_string()]);
+        assert_eq!(inject_txt_events(&json, &bytes).unwrap(), bytes);
+    }
+
+    #[test]
+    fn newline_in_translation_is_rejected() {
+        let text = "せりふ\n";
+        let bytes = text.as_bytes().to_vec();
+        let edit = r#"{"kind":"txt","encoding":"utf8","eol":"lf","lines":[{"i":0,"source":"せりふ","text":"two\nlines"}]}"#;
+        let out = inject_txt_events(edit, &bytes).unwrap();
+        // Rejected, so the base line is untouched.
+        assert_eq!(out, bytes);
+    }
+
+    #[test]
+    fn unrepresentable_sjis_is_skipped() {
+        // A Shift-JIS base, translation contains an emoji (not SJIS-encodable). The line is left
+        // untouched and the rest of the file is unchanged.
+        let text = "あいうえお\r\n";
+        let bytes = encoding_rs::SHIFT_JIS.encode(text).0.into_owned();
+        let edit = r#"{"kind":"txt","encoding":"sjis","eol":"crlf","lines":[{"i":0,"source":"あいうえお","text":"🎮"}]}"#;
+        let out = inject_txt_events(edit, &bytes).unwrap();
+        assert_eq!(out, bytes, "unrepresentable line is skipped, base preserved");
+    }
+
+    #[test]
+    fn empty_file_round_trips() {
+        let bytes: Vec<u8> = Vec::new();
+        let json = extract_txt_events(&bytes);
+        assert!(extracted_texts(&json).is_empty());
+        assert_eq!(inject_txt_events(&json, &bytes).unwrap(), bytes);
+    }
+
+    #[test]
+    fn lone_cr_line_ending_round_trips() {
+        // A stray old-Mac `\r` terminator must survive byte-exact.
+        let bytes = b"text one\rtext two".to_vec();
+        let json = extract_txt_events(&bytes);
+        assert_eq!(inject_txt_events(&json, &bytes).unwrap(), bytes);
+    }
+}
diff --git a/util/wolfdawn-master/crates/wolf-decompiler/src/wolfscript/mod.rs b/util/wolfdawn-master/crates/wolf-decompiler/src/wolfscript/mod.rs
new file mode 100644
index 0000000..0086294
--- /dev/null
+++ b/util/wolfdawn-master/crates/wolf-decompiler/src/wolfscript/mod.rs
@@ -0,0 +1,872 @@
+//! WolfScript emitter. Renders a command program into readable, indented pseudo-code.
+//!
+//! Every command renders bespoke. Keystone commands (conditions, choices, SetVariable, calls, and
+//! so on) get purpose-built forms decoded from their argument packing. All others use the labeled
+//! argument schema in [`crate::spec`]. Nothing falls back to an unlabeled int dump.
+//! Conditional/choice branches are reconstructed from the flat marker commands via a small block
+//! stack, so `case`/`when` labels carry their real option/condition text. Labels are mapped
+//! positionally, which is robust to the engine's non-sequential case indices.
+
+pub(crate) mod ops;
+pub use ops::operand;
+use ops::*;
+
+use std::cell::Cell;
+use std::collections::HashMap;
+
+use wolf_formats::command::RawCommand;
+use wolf_formats::common_event::CommonEventsFile;
+use wolf_formats::map::Map;
+
+use crate::spec;
+use crate::symbols::SymbolTable;
+use crate::text::{decode_wstr, quote_wstr, wstr_to_literal};
+
+const INDENT_UNIT: &str = "    ";
+
+/// Common-event call-by-ID base. A stored target of `500000 + id` calls common event `id`.
+const CALL_BY_ID_BASE: u32 = 500_000;
+
+/// StringCondition lhs flag. When set, the right-hand side is an operand from the rhs section
+/// (string-var vs string-var) rather than the literal in `str_args`.
+const STRCOND_OPERAND_FLAG: u32 = 0x0100_0000;
+
+/// Tracks the enclosing block so `case`/`when` markers resolve to a real, positional label.
+enum Block {
+    Choices { options: Vec<String>, next: usize },
+    Conditional { conds: Vec<String>, next: usize },
+    Other,
+}
+
+pub struct Renderer<'a> {
+    utf8: bool,
+    symbols: &'a SymbolTable,
+    /// The common event currently being rendered, so `CSelf[n]` resolves to its own
+    /// self-variable names. `None` for maps.
+    current_ce: Cell<Option<u32>>,
+    /// Display mode. Render the prettiest (bespoke, name-resolved) form for reading, skipping the
+    /// recompile self-check that otherwise falls back to `@raw`. The numeric, round-trip-faithful
+    /// path (`decompile_commands`) leaves this off.
+    display: bool,
+    /// Annotate mode: the unified read-plus-edit surface. Runs with `display=false` so the
+    /// per-leaf `recompilable()` self-check still gates every line, but injects an index-anchored
+    /// bilingual label inside the brackets, as in `V[3 "Gold · ゴールド"]`. The index stays the
+    /// round-trip authority and the recompiler strips the quoted label. Because the self-check
+    /// runs, any label the parser cannot strip back to the identical command auto-falls to the
+    /// numeric/`@raw` form, so the file is always byte-exact and the names only affect prettiness.
+    annotate: bool,
+}
+
+impl<'a> Renderer<'a> {
+    pub fn with_symbols(utf8: bool, symbols: &'a SymbolTable) -> Self {
+        Renderer {
+            utf8,
+            symbols,
+            current_ce: Cell::new(None),
+            display: false,
+            annotate: false,
+        }
+    }
+
+    /// Enable display mode: readable output, no `@raw` fallback.
+    pub fn for_display(mut self) -> Self {
+        self.display = true;
+        self
+    }
+
+    /// Enable annotate mode: readable and recompilable, with index-anchored bilingual labels.
+    pub fn for_edit(mut self) -> Self {
+        self.annotate = true;
+        self
+    }
+
+    /// `English · 日本語` when the engine glossary translates the name, else the raw name.
+    fn bilingual(&self, jp: &str) -> String {
+        let en = self.symbols.tr(jp);
+        if en != jp {
+            format!("{en} · {jp}")
+        } else {
+            jp.to_string()
+        }
+    }
+
+    /// Decode a Wolf operand id into a readable, name-resolved reference. See [`ops::operand`] for
+    /// the structural, symbol-free mirror that the recompiler's parser inverts.
+    fn op(&self, v: u32) -> String {
+        match v {
+            0..=999_999 => v.to_string(),
+            // This-event intrinsic data: position, graphic, or direction of the running event.
+            1_000_000..=1_099_999 => this_event_ref(v),
+            // Map-event self vars are unnamed by the engine. Kept numeric by design.
+            1_100_000..=1_199_999 => format!("Self[{}]", v - 1_100_000),
+            1_600_000..=1_699_999 => {
+                let n = v - 1_600_000;
+                match self.cself_name(n) {
+                    Some(name) if self.annotate => {
+                        format!("CSelf[{n} \"{}\"]", escape(&self.bilingual(&name)))
+                    }
+                    Some(name) => format!("CSelf[{}]", name_tok(self.symbols.tr(&name))),
+                    None => format!("CSelf[{n}]"),
+                }
+            }
+            1_200_000..=1_599_999 | 1_700_000..=1_999_999 => format!("Self*[{}]", v - 1_000_000),
+            2_000_000..=2_999_999 => {
+                self.global_ref(&self.symbols.globals.normal, v - 2_000_000, "V")
+            }
+            3_000_000..=3_999_999 => {
+                self.global_ref(&self.symbols.globals.string, v - 3_000_000, "S")
+            }
+            // Random 0..N reference. The engine computes `rand % (N+1)`, N = v-8_000_000.
+            8_000_000..=8_999_999 => format!("Rand[{}]", v - 8_000_000),
+            9_000_000..=9_099_999 => {
+                self.global_ref(&self.symbols.globals.system, v - 9_000_000, "Sys")
+            }
+            // On-map character data: party member 9.1M, current character 9.18M.
+            9_100_000..=9_179_999 => chara_ref("Chara", 9_100_000, v),
+            9_180_000..=9_189_999 => chara_ref("Chara2", 9_180_000, v),
+            9_190_000..=9_999_999 => {
+                self.global_ref(&self.symbols.globals.system, v - 9_000_000, "Sys")
+            }
+            _ => lit(v),
+        }
+    }
+
+    /// Render a global reference. Annotate mode anchors on the index and adds a bilingual label
+    /// (`V[3 "Gold · ゴールド"]`). Display mode shows the translated name (`V["Gold"]`). Numeric
+    /// mode is the bare index (`V[3]`).
+    fn global_ref(&self, map: &HashMap<u32, String>, n: u32, sigil: &str) -> String {
+        match map.get(&n) {
+            Some(name) if self.annotate => {
+                format!("{sigil}[{n} \"{}\"]", escape(&self.bilingual(name)))
+            }
+            Some(name) => format!("{sigil}[{}]", name_tok(self.symbols.tr(name))),
+            None => format!("{sigil}[{n}]"),
+        }
+    }
+
+    fn cself_name(&self, n: u32) -> Option<String> {
+        let ce = self.current_ce.get()?;
+        self.symbols.common_event(ce)?.self_vars.get(&n).cloned()
+    }
+
+    fn decode_str(&self, w: &wolf_formats::WStr) -> String {
+        decode_wstr(w, self.utf8)
+    }
+
+    fn quote(&self, w: &wolf_formats::WStr) -> String {
+        // Display favours readability, where a lossy `from_utf8_lossy` is fine. The numeric/edit
+        // path must round-trip, so it uses the byte-exact literal (readable text or `x"HEX"`).
+        if self.display {
+            quote_wstr(w, self.utf8)
+        } else {
+            wstr_to_literal(w, self.utf8)
+        }
+    }
+
+    fn str_arg(&self, cmd: &RawCommand, idx: usize) -> String {
+        cmd.str_args
+            .get(idx)
+            .map(|s| self.quote(s))
+            .unwrap_or_else(|| "\"\"".to_string())
+    }
+
+    fn is_blank_slot(cmd: &RawCommand) -> bool {
+        cmd.cid == 0
+            && cmd.int_args.is_empty()
+            && cmd.str_args.is_empty()
+            && cmd.move_route.is_none()
+    }
+
+    /// Render a flat command list, reconstructing block labels via a stack.
+    pub fn commands(&self, cmds: &[RawCommand]) -> String {
+        // Wolf Pro v3.5: every command carries a trailing blob, almost always empty. When
+        // present, the recompiler re-adds an empty blob to each command by default, so a command
+        // can still render pretty when its own blob is empty. A non-empty blob forces the lossless
+        // `@raw` form.
+        let v35 = cmds.iter().any(|c| c.v35_blob.is_some());
+        let mut out = String::new();
+        let mut stack: Vec<Block> = Vec::new();
+
+        for cmd in cmds {
+            if Self::is_blank_slot(cmd) {
+                continue;
+            }
+            let blob_empty = cmd.v35_blob.as_deref().map_or(true, |b| b.is_empty()) || self.display;
+            // Case markers consume the next positional label from the enclosing block.
+            let line = match cmd.cid {
+                401 if blob_empty => case_marker(cmd, &mut stack),
+                402 if blob_empty => {
+                    format!("}} case* {} {{", cmd.int_args.first().copied().unwrap_or(0))
+                }
+                421 if blob_empty => "} cancel {".to_string(),
+                // Display mode: render the prettiest form for reading, no recompile gate.
+                _ if self.display => self.line(cmd),
+                _ => {
+                    // Self-check chain: pretty, then labeled, then lossless @raw, picking the
+                    // first form that round-trips exactly.
+                    let pretty = self.line(cmd);
+                    if is_block_opener(cmd.cid) {
+                        // Openers are reconstructed structurally. A rare non-empty blob is carried
+                        // inline as a ` @b:HEX` suffix the parser strips and re-attaches.
+                        match cmd.v35_blob.as_deref() {
+                            Some(b) if !b.is_empty() => format!("{pretty} @b:{}", hex(b)),
+                            _ => pretty,
+                        }
+                    } else if (is_structural(cmd.cid) && blob_empty)
+                        || self.recompilable(cmd, &pretty, v35)
+                    {
+                        pretty
+                    } else {
+                        let labeled = self.labeled(cmd);
+                        if self.recompilable(cmd, &labeled, v35) {
+                            labeled
+                        } else {
+                            raw_form(cmd)
+                        }
+                    }
+                }
+            };
+            for _ in 0..cmd.indent as usize {
+                out.push_str(INDENT_UNIT);
+            }
+            out.push_str(&line);
+            out.push('\n');
+
+            match cmd.cid {
+                102 => stack.push(Block::Choices {
+                    options: self.choice_options(cmd),
+                    next: 0,
+                }),
+                111 | 112 => stack.push(Block::Conditional {
+                    conds: self.branch_conditions(cmd),
+                    next: 0,
+                }),
+                170 | 179 => stack.push(Block::Other),
+                498 | 499 => {
+                    stack.pop();
+                }
+                _ => {}
+            }
+        }
+        out
+    }
+
+    /// True if the leaf line parses back to exactly this command (a lossless display form). Under
+    /// v3.5 the recompiler re-adds an empty trailing blob to each command, so a pretty form is
+    /// lossless exactly when the command's own blob is empty.
+    fn recompilable(&self, cmd: &RawCommand, line: &str, v35: bool) -> bool {
+        match crate::compile::cmd::parse_leaf(line, cmd.indent, self.utf8) {
+            Ok(mut p) => {
+                if v35 && p.v35_blob.is_none() {
+                    p.v35_blob = Some(Vec::new());
+                }
+                &p == cmd
+            }
+            Err(_) => false,
+        }
+    }
+
+    fn line(&self, cmd: &RawCommand) -> String {
+        let a = &cmd.int_args;
+        match cmd.cid {
+            101 => format!("Message {}", self.str_arg(cmd, 0)),
+            103 => format!(
+                "# {}",
+                escape_inline(&self.decode_str(&cmd.str_args.first().cloned().unwrap_or_default()))
+            ),
+            106 => format!("DebugMessage {}", self.str_arg(cmd, 0)),
+            121 => self.set_variable(cmd),
+            122 => self.set_string(cmd),
+            102 => format!(
+                "choose {} [{}] {{",
+                a.first().copied().unwrap_or(0),
+                self.join_choice_options(cmd)
+            ),
+            111 | 112 => {
+                if a.first().copied().unwrap_or(0) & 0x10 != 0 {
+                    "branch all {".to_string() // AND, all conditions must hold
+                } else {
+                    "branch {".to_string() // OR, first match
+                }
+            }
+            420 => "} else {".to_string(),
+            498 | 499 => "}".to_string(),
+            170 => "loop {".to_string(),
+            // StartLoop2 (176) is not a block opener. It has no matching LoopEnd in data.
+            179 => format!(
+                "loop {} times {{",
+                a.first().map(|&v| self.op(v)).unwrap_or_default()
+            ),
+            210 | 211 => self.call_common_event(cmd),
+            300 => self.call_common_event_by_name(cmd),
+            201 => self.move_command(cmd),
+            140 => self.sound(cmd),
+            250 => self.database(cmd),
+            151 => self.change_color(cmd),
+            130 => self.teleport(cmd),
+            180 => format!("Wait {}", a.first().copied().unwrap_or(0)),
+            _ => self.labeled(cmd),
+        }
+    }
+
+    // --- keystone renderers ------------------------------------------------
+
+    fn choice_options(&self, cmd: &RawCommand) -> Vec<String> {
+        cmd.str_args.iter().map(|s| self.decode_str(s)).collect()
+    }
+
+    fn join_choice_options(&self, cmd: &RawCommand) -> String {
+        cmd.str_args
+            .iter()
+            .map(|s| self.quote(s))
+            .collect::<Vec<_>>()
+            .join(", ")
+    }
+
+    /// Decode a VariableCondition/StringCondition into per-branch condition strings.
+    fn branch_conditions(&self, cmd: &RawCommand) -> Vec<String> {
+        let a = &cmd.int_args;
+        let Some(&header) = a.first() else {
+            return Vec::new();
+        };
+        let n = (header & 0x0F) as usize;
+        let is_and = header & 0x10 != 0;
+
+        let groups: Vec<String> = if cmd.cid == 112 {
+            // StringCondition layout: `[header][lhs×n][rhs×k]`. Each lhs word packs the left
+            // string operand in the low 24 bits, the right-is-variable flag in bit 24
+            // (`0x01000000`), and the comparison type in the high nibble (bits 28-31): 0=eq,
+            // 1=ne, 2=contains, 3=!contains. A variable right reads from the rhs section. A
+            // literal right reads `str_args[g]`. `k` is the count of variable-right conditions.
+            let mut rhs_ptr = 1 + n;
+            (0..n)
+                .map(|g| {
+                    let raw = a.get(1 + g).copied().unwrap_or(0);
+                    let operand = raw & 0x00FF_FFFF;
+                    let cmp = strcmp_op_str((raw >> 28) & 0xF);
+                    if raw & STRCOND_OPERAND_FLAG != 0 {
+                        let rhs = a.get(rhs_ptr).copied().unwrap_or(0);
+                        rhs_ptr += 1;
+                        format!("{} {cmp} {}", self.op(operand), self.op(rhs))
+                    } else {
+                        format!("{} {cmp} {}", self.op(operand), self.str_arg(cmd, g))
+                    }
+                })
+                .collect()
+        } else {
+            (0..n)
+                .map(|g| {
+                    let base = 1 + g * 3;
+                    let left = a.get(base).map(|&v| self.op(v)).unwrap_or_default();
+                    let right = a.get(base + 1).map(|&v| self.op(v)).unwrap_or_default();
+                    let op = a.get(base + 2).copied().unwrap_or(0);
+                    format!("{left} {} {right}", compare_op_str(op))
+                })
+                .collect()
+        };
+
+        if is_and {
+            vec![groups.join(" && ")]
+        } else {
+            groups
+        }
+    }
+
+    fn set_variable(&self, cmd: &RawCommand) -> String {
+        let a = &cmd.int_args;
+        if a.len() < 4 {
+            return self.labeled(cmd);
+        }
+        let target = self.op(a[0]);
+        let left = self.op(a[1]);
+        let right = a[2];
+        let modify = modify_op(a[3]);
+        let binop_nibble = (a[3] >> 12) & 0x0F;
+        let real = a[3] & 0x04 != 0;
+
+        let mut s = if right == 0 && binop_nibble == 0 {
+            format!("SetVariable {target} {modify} {left}")
+        } else {
+            format!(
+                "SetVariable {target} {modify} {left} {} {}",
+                binary_op(a[3]),
+                self.op(right)
+            )
+        };
+        if real {
+            s.push_str("  // real");
+        }
+        s
+    }
+
+    fn set_string(&self, cmd: &RawCommand) -> String {
+        let target = cmd
+            .int_args
+            .first()
+            .map(|&v| self.op(v))
+            .unwrap_or_else(|| "S[?]".to_string());
+        format!("SetString {target} = {}", self.str_arg(cmd, 0))
+    }
+
+    fn call_common_event(&self, cmd: &RawCommand) -> String {
+        let a = &cmd.int_args;
+        let target = a.first().copied().unwrap_or(0);
+        let count = a.get(1).map(|&v| (v & 0xFF) as usize).unwrap_or(0);
+
+        // Operand-referenced target: call the event whose id is in a variable.
+        if target >= 1_000_000 {
+            let passed = self.passed_args(a, 2, count);
+            let head = format!("call [{}]", self.op(target));
+            return if passed.is_empty() {
+                head
+            } else {
+                format!("{head}({passed})")
+            };
+        }
+
+        let id = if target >= CALL_BY_ID_BASE {
+            target - CALL_BY_ID_BASE
+        } else {
+            target
+        };
+        let info = self.symbols.common_event(id);
+        let glossed = info.and_then(|i| self.symbols.glossary.get(&i.name));
+
+        // Function name: the English engine glossary for stock events, else JP name, else #id.
+        let head = match (info, glossed) {
+            (_, Some(g)) => g.en_name.clone(),
+            (Some(i), None) => format!("call \"{}\"", i.name),
+            (None, _) => format!("call #{id}"),
+        };
+
+        // Passed args, labeled with the callee's input names. English glossary wins over JP inputs.
+        let parts =
+            self.render_passed_args(a, count, glossed.map(|g| &g.args), info.map(|i| &i.inputs));
+        if parts.is_empty() {
+            head
+        } else {
+            format!("{head}({})", parts.join(", "))
+        }
+    }
+
+    /// Render call arguments, labeling each with its parameter name and resolving DB-entry ids
+    /// (`ItemId=17` becomes `ItemId="ポーション"`) when the English param name is typed.
+    fn render_passed_args(
+        &self,
+        a: &[u32],
+        count: usize,
+        en_args: Option<&Vec<String>>,
+        jp_args: Option<&Vec<String>>,
+    ) -> Vec<String> {
+        let mut parts = Vec::new();
+        for k in 0..count {
+            let Some(&v) = a.get(2 + k) else { break };
+            let en = en_args.and_then(|x| x.get(k)).map(String::as_str);
+            let jp = jp_args.and_then(|x| x.get(k)).map(String::as_str);
+            // English param name from the glossary, else the translated JP input name.
+            let label: Option<String> = en
+                .map(str::to_string)
+                .or_else(|| jp.map(|j| self.symbols.tr(j).to_string()));
+            let val = self.resolve_arg(en, v);
+            match label.as_deref() {
+                Some(n) if !n.is_empty() => parts.push(format!("{n}={val}")),
+                _ => parts.push(val),
+            }
+        }
+        parts
+    }
+
+    /// Render an operand. If it is a literal and the param name names a DB type, resolve it to the
+    /// entry name. This stays non-lossy since the recompiler accepts either name or id.
+    fn resolve_arg(&self, en_name: Option<&str>, v: u32) -> String {
+        if v < 1_000_000 {
+            if let Some(type_name) = en_name.and_then(arg_db_type) {
+                if let Some(name) = self.symbols.db_entry_name(type_name, v) {
+                    return format!("\"{}\"", escape(name));
+                }
+            }
+        }
+        self.op(v)
+    }
+
+    fn call_common_event_by_name(&self, cmd: &RawCommand) -> String {
+        let a = &cmd.int_args;
+        let jp = self.decode_str(&cmd.str_args.first().cloned().unwrap_or_default());
+        let glossed = self.symbols.glossary.get(&jp);
+        let info = self.symbols.common_event_by_name(&jp);
+
+        let head = match glossed {
+            Some(g) => g.en_name.clone(),
+            None => format!("call \"{jp}\""),
+        };
+
+        let count = a.get(1).map(|&v| (v & 0xFF) as usize).unwrap_or(0);
+        let parts =
+            self.render_passed_args(a, count, glossed.map(|g| &g.args), info.map(|i| &i.inputs));
+        if parts.is_empty() {
+            head
+        } else {
+            format!("{head}({})", parts.join(", "))
+        }
+    }
+
+    fn passed_args(&self, a: &[u32], start: usize, count: usize) -> String {
+        (0..count)
+            .filter_map(|i| a.get(start + i))
+            .map(|&v| self.op(v))
+            .collect::<Vec<_>>()
+            .join(", ")
+    }
+
+    /// Render a Database (DB操作) command as an assignment, using the type/data/field names
+    /// embedded in the command's string args, falling back to DB lookups or ids. `flagWord` bit0
+    /// selects direction: 0 reads DB into a var, 1 writes a value into the DB.
+    fn database(&self, cmd: &RawCommand) -> String {
+        let a = &cmd.int_args;
+        if a.len() < 5 {
+            return self.labeled(cmd);
+        }
+        let (type_raw, data_raw, field_raw, flag, value) = (a[0], a[1], a[2], a[3], a[4]);
+
+        // JP names from the embedded string args drive the DB lookups. Display is then translated
+        // via the engine-text glossary.
+        let type_jp = self.str_name_jp(cmd, 1);
+        let data_jp = self.str_name_jp(cmd, 2);
+        let field_jp = self.str_name_jp(cmd, 3);
+
+        let kind = type_jp
+            .as_deref()
+            .and_then(|t| self.symbols.db_kind_of_type(t))
+            .unwrap_or("DB");
+
+        let type_tok = match &type_jp {
+            Some(t) => name_tok(self.symbols.tr(t)),
+            None if type_raw >= 1_000_000 => self.op(type_raw),
+            None => format!("#{}", type_raw as i32),
+        };
+        let row = if let Some(d) = &data_jp {
+            name_tok(self.symbols.tr(d))
+        } else if data_raw >= 1_000_000 {
+            self.op(data_raw)
+        } else if let Some(name) = type_jp
+            .as_deref()
+            .and_then(|t| self.symbols.db_entry_name(t, data_raw))
+        {
+            name_tok(self.symbols.tr(name))
+        } else {
+            format!("#{}", data_raw as i32)
+        };
+        let field = if let Some(f) = &field_jp {
+            Some(name_tok(self.symbols.tr(f)))
+        } else if let Some(name) = type_jp
+            .as_deref()
+            .and_then(|t| self.symbols.db_field_name(t, field_raw))
+        {
+            Some(name_tok(self.symbols.tr(name)))
+        } else if field_raw == 0 {
+            None
+        } else {
+            Some(format!("#{field_raw}"))
+        };
+
+        let cell = match field {
+            Some(f) => format!("{kind}[{type_tok}][{row}].{f}"),
+            None => format!("{kind}[{type_tok}][{row}]"),
+        };
+
+        if flag & 0xF == 1 {
+            let op = match (flag >> 4) & 0xF {
+                0 => "=",
+                1 => "+=",
+                2 => "-=",
+                3 => "*=",
+                4 => "/=",
+                5 => "%=",
+                6 => "max=",
+                7 => "min=",
+                _ => "=",
+            };
+            format!("{cell} {op} {}", self.op(value))
+        } else {
+            format!("{} = {cell}", self.op(value))
+        }
+    }
+
+    /// The decoded JP text of a string arg, untranslated and used for DB lookups, if present.
+    fn str_name_jp(&self, cmd: &RawCommand, idx: usize) -> Option<String> {
+        cmd.str_args
+            .get(idx)
+            .map(|s| self.decode_str(s))
+            .filter(|d| !d.is_empty())
+    }
+
+    fn change_color(&self, cmd: &RawCommand) -> String {
+        let a = &cmd.int_args;
+        let Some(&c) = a.first() else {
+            return self.labeled(cmd);
+        };
+        let (r, g, b) = (c & 0xFF, (c >> 8) & 0xFF, (c >> 16) & 0xFF);
+        let dur = a.get(1).copied().unwrap_or(0);
+        if dur == 0 {
+            format!("ChangeColor(R={r}, G={g}, B={b})")
+        } else {
+            format!("ChangeColor(R={r}, G={g}, B={b}, {dur}f)")
+        }
+    }
+
+    fn teleport(&self, cmd: &RawCommand) -> String {
+        let a = &cmd.int_args;
+        let target = match a.first().copied() {
+            Some(0xFFFF_FFFF) => "player".to_string(),
+            Some(0xFFFF_FFFE) => "thisEvent".to_string(),
+            Some(v) if v >= 1_000_000 => self.op(v),
+            Some(v) => format!("event#{v}"),
+            None => return self.labeled(cmd),
+        };
+        let x = a.get(1).map(|&v| self.op(v)).unwrap_or_default();
+        let y = a.get(2).map(|&v| self.op(v)).unwrap_or_default();
+        format!("Teleport {target} -> ({x}, {y})")
+    }
+
+    /// Decode the Sound command's packed control word into op nibble, sound-type nibble,
+    /// addressing mode, and resource number.
+    fn sound(&self, cmd: &RawCommand) -> String {
+        let a = &cmd.int_args;
+        let Some(&w) = a.first() else {
+            return self.labeled(cmd);
+        };
+        let op = w & 0x0F;
+        let ty = match (w >> 4) & 0x0F {
+            0 => "BGM",
+            1 => "BGS",
+            2 => "SE",
+            _ => "Snd",
+        };
+        let mode = (w >> 24) & 0x0F;
+        let resnum = (w >> 8) & 0xFFFF;
+
+        match op {
+            0 => {
+                let src = match mode {
+                    0x2 => self.str_arg(cmd, 0),
+                    0x0 => format!("#{resnum}"),
+                    0x1 => format!("[{}]", a.get(2).map(|&v| self.op(v)).unwrap_or_default()),
+                    _ => format!("0x{w:08X}"),
+                };
+                let vol = a.get(4).copied().unwrap_or(100);
+                let pitch = a.get(5).copied().unwrap_or(100);
+                let mut s = format!("Play{ty} {src}");
+                if vol != 100 || pitch != 100 {
+                    s.push_str(&format!(" vol={vol} pitch={pitch}"));
+                }
+                s
+            }
+            1 => format!("Stop{ty}"),
+            2 => format!("Release{ty}"),
+            3 => "StopAllSound".to_string(),
+            _ => self.labeled(cmd),
+        }
+    }
+
+    /// Lossless, readable Move(201): `Move(target=…) "strs" @route(t=<term>, f=<flags>,
+    /// h=<5 header bytes>) { RouteCmd; RouteCmd(args); … }`. The route header bytes, flags, and
+    /// terminator are carried verbatim so the pretty form fully round-trips with no `@raw`.
+    fn move_command(&self, cmd: &RawCommand) -> String {
+        let spec = spec::command(cmd.cid);
+        let mut parts = Vec::new();
+        for (i, &val) in cmd.int_args.iter().enumerate() {
+            // Default to operand-ref so targets like `CSelf[3]` or `-2` read naturally.
+            let (label, is_ref) = match spec.and_then(|s| s.int_args.get(i)) {
+                Some(f) => (short_label(&f.label), f.kind == "operand-ref"),
+                None => (format!("arg{i}"), true),
+            };
+            let rendered = if is_ref { self.op(val) } else { lit(val) };
+            parts.push(format!("{label}={rendered}"));
+        }
+        let mut head = String::from("Move");
+        if !parts.is_empty() {
+            head.push('(');
+            head.push_str(&parts.join(", "));
+            head.push(')');
+        }
+        for sa in &cmd.str_args {
+            head.push(' ');
+            head.push_str(&self.quote(sa));
+        }
+        match &cmd.move_route {
+            Some(r) => format!(
+                "{head} @route(t={}, f={}, h={}) {{ {} }}",
+                cmd.term,
+                r.flags,
+                hex(&r.unknown),
+                render_route(r)
+            ),
+            None => head,
+        }
+    }
+
+    // --- generic-but-labeled fallback --------------------------------------
+
+    fn labeled(&self, cmd: &RawCommand) -> String {
+        let name = spec::command_name(cmd.cid);
+        self.labeled_inner(cmd, &name)
+    }
+
+    fn labeled_inner(&self, cmd: &RawCommand, name: &str) -> String {
+        let spec = spec::command(cmd.cid);
+        let mut parts = Vec::new();
+        for (i, &val) in cmd.int_args.iter().enumerate() {
+            let (label, is_ref) = match spec.and_then(|s| s.int_args.get(i)) {
+                Some(f) => (short_label(&f.label), f.kind == "operand-ref"),
+                None => (format!("arg{i}"), false),
+            };
+            let rendered = if is_ref { self.op(val) } else { lit(val) };
+            parts.push(format!("{label}={rendered}"));
+        }
+        let mut s = name.to_string();
+        if !parts.is_empty() {
+            s.push('(');
+            s.push_str(&parts.join(", "));
+            s.push(')');
+        }
+        for sa in &cmd.str_args {
+            s.push(' ');
+            s.push_str(&self.quote(sa));
+        }
+        if let Some(route) = &cmd.move_route {
+            s.push_str(&format!(" {{ {} }}", render_route(route)));
+        }
+        s
+    }
+}
+
+// ----------------------------------------------------------------------------
+// Block-marker helpers (need &mut stack)
+// ----------------------------------------------------------------------------
+
+fn case_marker(cmd: &RawCommand, stack: &mut [Block]) -> String {
+    let arg0 = cmd.int_args.first().copied().unwrap_or(0);
+    match stack.last_mut() {
+        // Choices: show the real ChoiceCase index, which is recompile-safe. A label comment keeps
+        // it readable.
+        Some(Block::Choices { options, next }) => {
+            let label = options.get(*next).cloned();
+            *next += 1;
+            match label.filter(|l| !l.is_empty()) {
+                Some(l) => format!("}} case {arg0} {{  # {}", escape_inline(&l)),
+                None => format!("}} case {arg0} {{"),
+            }
+        }
+        Some(Block::Conditional { conds, next }) => {
+            let cond = conds.get(*next).cloned().unwrap_or_else(|| "?".to_string());
+            *next += 1;
+            format!("}} when ({cond}) {{")
+        }
+        _ => format!("}} case {arg0} {{"),
+    }
+}
+
+// ----------------------------------------------------------------------------
+// Public entry points
+// ----------------------------------------------------------------------------
+
+/// Decompile a flat command list (UTF-8, no symbols).
+pub fn decompile_commands(cmds: &[RawCommand]) -> String {
+    decompile_commands_enc(cmds, true)
+}
+
+/// Decompile a flat command list in the file's encoding (no symbols). The recompilable form uses
+/// numeric operands and byte-exact string literals, so `compile_commands_enc(_, utf8)` is its
+/// exact inverse regardless of Shift-JIS or UTF-8.
+pub fn decompile_commands_enc(cmds: &[RawCommand], utf8: bool) -> String {
+    let symbols = SymbolTable::new();
+    let body = Renderer::with_symbols(utf8, &symbols).commands(cmds);
+    // A leading `@v35` directive tells the recompiler to re-add per-command blobs.
+    if cmds.iter().any(|c| c.v35_blob.is_some()) {
+        format!("@v35\n{body}")
+    } else {
+        body
+    }
+}
+
+/// Decompile a flat command list in annotate mode, the unified read-plus-edit form. Readable
+/// index-anchored bilingual labels (`V[3 "Gold · ゴールド"]`) that `compile_commands_enc` strips
+/// back to the identical bytes. The per-leaf self-check guarantees byte-exactness, so any label
+/// the parser cannot strip degrades to the numeric form. `ce_id` sets the current common event so
+/// `CSelf[n]` resolves to its self-var names. Pass `None` for maps.
+pub fn decompile_commands_annotated(
+    cmds: &[RawCommand],
+    utf8: bool,
+    symbols: &SymbolTable,
+    ce_id: Option<u32>,
+) -> String {
+    let r = Renderer::with_symbols(utf8, symbols).for_edit();
+    r.current_ce.set(ce_id);
+    let body = r.commands(cmds);
+    if cmds.iter().any(|c| c.v35_blob.is_some()) {
+        format!("@v35\n{body}")
+    } else {
+        body
+    }
+}
+
+/// Decompile an entire map, resolving names via `symbols`.
+pub fn decompile_map(map: &Map, symbols: &SymbolTable) -> String {
+    let r = Renderer::with_symbols(map.utf8, symbols).for_display();
+    let mut out = format!(
+        "# map  version=0x{:x}  tileset={}  {}x{}  events={}\n\n",
+        map.version,
+        map.tileset_id,
+        map.width,
+        map.height,
+        map.events.len()
+    );
+    for ev in &map.events {
+        out.push_str(&format!(
+            "event {} {} @({}, {}) {{\n",
+            ev.id,
+            r.quote(&ev.name),
+            ev.x,
+            ev.y
+        ));
+        for (pi, page) in ev.pages.iter().enumerate() {
+            out.push_str(&format!("{INDENT_UNIT}page {pi} {{\n"));
+            for line in r.commands(&page.commands).lines() {
+                out.push_str(&format!("{INDENT_UNIT}{INDENT_UNIT}{line}\n"));
+            }
+            out.push_str(&format!("{INDENT_UNIT}}}\n"));
+        }
+        out.push_str("}\n\n");
+    }
+    out
+}
+
+/// Decompile a CommonEvent file, resolving names via `symbols`.
+pub fn decompile_common_events(ce: &CommonEventsFile, symbols: &SymbolTable) -> String {
+    let r = Renderer::with_symbols(ce.utf8, symbols).for_display();
+    let mut out = format!("# common-events  count={}\n\n", ce.events.len());
+    for ev in &ce.events {
+        r.current_ce.set(Some(ev.int_id));
+        let jp_name = decode_wstr(&ev.name, ce.utf8);
+        let header = match symbols.glossary.get(&jp_name) {
+            Some(g) => format!(
+                "commonEvent {} {} {} {{",
+                ev.int_id,
+                g.en_name,
+                r.quote(&ev.name)
+            ),
+            None => format!("commonEvent {} {} {{", ev.int_id, r.quote(&ev.name)),
+        };
+        out.push_str(&header);
+        out.push('\n');
+        for line in r.commands(&ev.commands).lines() {
+            out.push_str(&format!("{INDENT_UNIT}{line}\n"));
+        }
+        out.push_str("}\n\n");
+    }
+    out
+}
+
+// ----------------------------------------------------------------------------
+// Move route rendering
+// ----------------------------------------------------------------------------
diff --git a/util/wolfdawn-master/crates/wolf-decompiler/src/wolfscript/ops.rs b/util/wolfdawn-master/crates/wolf-decompiler/src/wolfscript/ops.rs
new file mode 100644
index 0000000..40ed02f
--- /dev/null
+++ b/util/wolfdawn-master/crates/wolf-decompiler/src/wolfscript/ops.rs
@@ -0,0 +1,284 @@
+//! Stateless rendering helpers: operand and operator decoding, move-route rendering, the
+//! lossless `@raw` fallback, and small string/format utilities.
+
+use crate::spec;
+use wolf_formats::command::{MoveRoute, RawCommand, RouteCommand};
+
+pub(crate) fn render_route(route: &MoveRoute) -> String {
+    route
+        .commands
+        .iter()
+        .map(render_route_command)
+        .collect::<Vec<_>>()
+        .join("; ")
+}
+
+pub(crate) fn render_route_command(rc: &RouteCommand) -> String {
+    let name = spec::route_name(rc.id as u32);
+    if rc.args.is_empty() {
+        name
+    } else {
+        // Route args are variable-call values, resolved by the engine through the same operand
+        // resolver, so decode them as references: `Wait(CSelf[5])`, not `Wait(1600005)`.
+        let args: Vec<String> = rc.args.iter().map(|&v| operand(v)).collect();
+        format!("{name}({})", args.join(", "))
+    }
+}
+
+// ----------------------------------------------------------------------------
+// Operand / operator decoding
+// ----------------------------------------------------------------------------
+
+/// Decode a Wolf operand id into a readable reference. Ranges: map-event self vars at
+/// `1_100_000+n` (`Self[n]`), common-event self vars at `1_600_000+n` (`CSelf[n]`), normal vars
+/// `2_000_000+n`, strings `3_000_000+n`, random `8_000_000+N` as `Rand[N]`, system vars
+/// `9_000_000..9_099_999`, on-map character data `9_100_000+` and `9_180_000+`, and this-event
+/// intrinsic data `1_000_000+`. This standalone decoder mirrors [`super::Renderer::op`] for the
+/// symbol-free and route-arg path. Both invert [`crate::compile::cmd`]'s `operand` parser.
+pub fn operand(v: u32) -> String {
+    match v {
+        0..=999_999 => v.to_string(),
+        1_000_000..=1_099_999 => this_event_ref(v),
+        1_100_000..=1_199_999 => format!("Self[{}]", v - 1_100_000),
+        1_600_000..=1_699_999 => format!("CSelf[{}]", v - 1_600_000),
+        1_200_000..=1_599_999 | 1_700_000..=1_999_999 => format!("Self*[{}]", v - 1_000_000),
+        2_000_000..=2_999_999 => format!("V[{}]", v - 2_000_000),
+        3_000_000..=3_999_999 => format!("S[{}]", v - 3_000_000),
+        8_000_000..=8_999_999 => format!("Rand[{}]", v - 8_000_000),
+        9_000_000..=9_099_999 => format!("Sys[{}]", v - 9_000_000),
+        9_100_000..=9_179_999 => chara_ref("Chara", 9_100_000, v),
+        9_180_000..=9_189_999 => chara_ref("Chara2", 9_180_000, v),
+        9_190_000..=9_999_999 => format!("Sys[{}]", v - 9_000_000),
+        _ => lit(v),
+    }
+}
+
+/// On-map Character intrinsic-data field names, shared by the this-event (`1_000_000`),
+/// party-character (`9_100_000`), and current-character (`9_180_000`) operand banks. Maps to
+/// Character-struct offsets: +36/+40 position, +184 height, +272 graphic, +68 direction,
+/// +344/+348 move remainder. The field index is `refNum % 10`. Positions are stored doubled, so
+/// the halved tile coordinate (field 0/1) and the raw precise coordinate (field 2/3) coexist.
+pub(crate) fn chara_field_name(f: u32) -> Option<&'static str> {
+    Some(match f {
+        0 => "X",
+        1 => "Y",
+        2 => "PreciseX",
+        3 => "PreciseY",
+        4 => "Height",
+        5 => "Graphic",
+        6 => "Dir",
+        7 => "RemX",
+        8 => "RemY",
+        9 => "Name",
+        _ => return None,
+    })
+}
+
+/// Inverse of [`chara_field_name`] for the recompiler.
+pub(crate) fn chara_field_index(name: &str) -> Option<u32> {
+    (0..10).find(|&f| chara_field_name(f) == Some(name))
+}
+
+/// Render an on-map character-data reference (`Chara[m].Field`). `member = (v-base)/10`,
+/// `field = v % 10`.
+pub(crate) fn chara_ref(prefix: &str, base: u32, v: u32) -> String {
+    let off = v - base;
+    let member = off / 10;
+    match chara_field_name(off % 10) {
+        Some(f) => format!("{prefix}[{member}].{f}"),
+        None => format!("{prefix}[{member}].f{}", off % 10),
+    }
+}
+
+/// Render a this-event intrinsic-data reference. Sub-object 0 (`1_000_000..=1_000_009`) is the
+/// position/graphic block, shown as `ThisEv.Field`. Deeper sub-objects stay structural
+/// (`ThisEv[k]`) so the byte survives the round-trip without an over-claimed field name.
+pub(crate) fn this_event_ref(v: u32) -> String {
+    let off = v - 1_000_000;
+    match chara_field_name(off) {
+        Some(f) => format!("ThisEv.{f}"),
+        None => format!("ThisEv[{off}]"),
+    }
+}
+
+/// Render a literal int, showing 2's-complement negatives (e.g. 0xFFFFFFFF becomes -1).
+pub(crate) fn lit(v: u32) -> String {
+    (v as i32).to_string()
+}
+
+/// Render a VariableCondition (111) compare-op word reversibly. The low nibble is the comparison
+/// (editor order: 0=<=,1=>=,2===,3=!=,4=<,5=>,6=bitAND). The high nibble carries per-term flags,
+/// such as the 0x10 right-side-is-variable flag seen in GamePro (op 0x12 = `==~1`). Known low
+/// nibbles render as a symbol, plus `~<flags>` when set. Anything else stays `cmp<N>` so the exact
+/// byte survives the round-trip.
+pub(crate) fn compare_op_str(v: u32) -> String {
+    let base = match v & 0x0F {
+        0 => "<=",
+        1 => ">=",
+        2 => "==",
+        3 => "!=",
+        4 => "<",
+        5 => ">",
+        6 => "&", // bitAND != 0
+        _ => return format!("cmp{v}"),
+    };
+    match v >> 4 {
+        0 => base.to_string(),
+        flags => format!("{base}~{flags}"),
+    }
+}
+
+/// StringCondition (112) comparison-type token (the high nibble of the condition word):
+/// 0=same, 1=different, 2=contains, 3=not-contains. Unknown types use a reversible `strcmp<N>`.
+pub(crate) fn strcmp_op_str(ty: u32) -> String {
+    match ty {
+        0 => "eq".to_string(),
+        1 => "ne".to_string(),
+        2 => "contains".to_string(),
+        3 => "!contains".to_string(),
+        other => format!("strcmp{other}"),
+    }
+}
+
+pub(crate) fn modify_op(arg3: u32) -> &'static str {
+    match (arg3 >> 8) & 0x0F {
+        0 => "=",
+        1 => "+=",
+        2 => "-=",
+        3 => "*=",
+        4 => "/=",
+        5 => "%=",
+        6 => "= floor",
+        7 => "= ceil",
+        8 => "= abs",
+        9 => "= angle",
+        0xA => "= sin",
+        0xB => "= cos",
+        0xC => "= sqrt",
+        _ => "=?",
+    }
+}
+
+pub(crate) fn binary_op(arg3: u32) -> &'static str {
+    match (arg3 >> 12) & 0x0F {
+        0 => "+",
+        1 => "-",
+        2 => "*",
+        3 => "%",
+        4 => "~",
+        5 | 6 => "&",
+        7 => "|",
+        8 => "^",
+        9 => "<<",
+        _ => "?",
+    }
+}
+
+pub(crate) fn short_label(label: &str) -> String {
+    label
+        .split(|c: char| c == '(' || c == ' ' || c == '/')
+        .next()
+        .unwrap_or(label)
+        .to_string()
+}
+
+pub(crate) fn escape(s: &str) -> String {
+    s.replace('\\', "\\\\").replace('"', "\\\"")
+}
+
+/// Escape control characters so a value stays on one line, for unquoted contexts like comments.
+/// Inverse of the parser's `unescape`.
+pub(crate) fn escape_inline(s: &str) -> String {
+    s.replace('\\', "\\\\")
+        .replace('\r', "\\r")
+        .replace('\n', "\\n")
+        .replace('\t', "\\t")
+}
+
+/// Fully lossless fallback for commands the pretty or labeled forms cannot reproduce, such as
+/// `Move` with a route block, or v3.5 trailing blobs.
+pub(crate) fn raw_form(cmd: &RawCommand) -> String {
+    use wolf_formats::Writer;
+    let ints = cmd
+        .int_args
+        .iter()
+        .map(|v| v.to_string())
+        .collect::<Vec<_>>()
+        .join(",");
+    let strs = cmd
+        .str_args
+        .iter()
+        .map(|s| hex(s.as_bytes()))
+        .collect::<Vec<_>>()
+        .join(",");
+    let route = match &cmd.move_route {
+        Some(mr) => {
+            let mut w = Writer::new();
+            mr.write(&mut w);
+            hex(&w.into_bytes())
+        }
+        None => "-".to_string(),
+    };
+    let v35 = cmd
+        .v35_blob
+        .as_ref()
+        .map(|b| hex(b))
+        .unwrap_or_else(|| "-".to_string());
+    format!(
+        "@raw {} i:{ints} s:{strs} t:{} m:{route} v:{v35}",
+        cmd.cid, cmd.term
+    )
+}
+
+pub(crate) fn hex(bytes: &[u8]) -> String {
+    let mut s = String::with_capacity(bytes.len() * 2);
+    for b in bytes {
+        s.push_str(&format!("{b:02x}"));
+    }
+    s
+}
+
+/// Block-structure commands (openers, else, closers) reconstructed by the parser from the
+/// readable block syntax. Not subject to the leaf self-check.
+pub(crate) fn is_structural(cid: u32) -> bool {
+    matches!(cid, 102 | 111 | 112 | 170 | 179 | 420 | 498 | 499)
+}
+
+/// Block openers (condition, loop, choose), the structural commands that begin a block and can
+/// carry an inline ` @b:HEX` blob suffix under v3.5.
+pub(crate) fn is_block_opener(cid: u32) -> bool {
+    matches!(cid, 102 | 111 | 112 | 170 | 179)
+}
+
+/// Render a resolved name as a token: bare if it is a simple identifier, quoted otherwise, so
+/// multi-word names like `Max Party Count` are unambiguous and parser-friendly.
+pub(crate) fn name_tok(s: &str) -> String {
+    let simple = !s.is_empty() && s.chars().all(|c| c.is_alphanumeric() || c == '_');
+    if simple {
+        s.to_string()
+    } else {
+        format!("\"{}\"", escape(s))
+    }
+}
+
+/// Map an English parameter name (from the glossary) to the User-DB type that holds its entries,
+/// so a literal id can be shown as the entry's name. Keyword-based. Falls back to the raw id when
+/// the type is not present, so non-Basic-System games degrade gracefully.
+pub(crate) fn arg_db_type(en_name: &str) -> Option<&'static str> {
+    let n = en_name.to_ascii_lowercase();
+    if n.contains("item") {
+        Some("アイテム")
+    } else if n.contains("weapon") {
+        Some("武器")
+    } else if n.contains("armor") {
+        Some("防具")
+    } else if n.contains("skill") {
+        Some("技能")
+    } else if n.contains("enemy") {
+        Some("敵ｷｬﾗ個体ﾃﾞｰﾀ")
+    } else if n.contains("state") || n.contains("status") {
+        Some("状態設定")
+    } else {
+        None
+    }
+}
diff --git a/util/wolfdawn-master/crates/wolf-decompiler/tests/all_versions_commands.rs b/util/wolfdawn-master/crates/wolf-decompiler/tests/all_versions_commands.rs
new file mode 100644
index 0000000..272d912
--- /dev/null
+++ b/util/wolfdawn-master/crates/wolf-decompiler/tests/all_versions_commands.rs
@@ -0,0 +1,118 @@
+//! Cross-version command coverage: scan every Wolf version's CommonEvent + maps for command
+//! ids not named in commands.json (rendered as `Cmd<cid>`), and per-version route-command ids.
+//!   cargo test -p wolf-decompiler --test all_versions_commands -- --nocapture
+use std::collections::BTreeMap;
+use std::path::{Path, PathBuf};
+
+use wolf_decompiler::spec;
+use wolf_formats::common_event::CommonEventsFile;
+use wolf_formats::map::Map;
+
+fn roots() -> Vec<PathBuf> {
+    let base = PathBuf::from(env!("CARGO_MANIFEST_DIR"))
+        .join("..")
+        .join("..")
+        .join("..");
+    vec![
+        base.join("ALLWOLFVERSIONS"),
+        base.join("Data"),
+        base.join("GamePro_Data"),
+    ]
+}
+
+fn walk(dir: &Path, ext: &str, out: &mut Vec<PathBuf>) {
+    let Ok(rd) = std::fs::read_dir(dir) else {
+        return;
+    };
+    for e in rd.flatten() {
+        let p = e.path();
+        if p.is_dir() {
+            walk(&p, ext, out);
+        } else if p.file_name().and_then(|s| s.to_str()) == Some(ext)
+            || p.extension().and_then(|s| s.to_str()) == Some(ext)
+        {
+            out.push(p);
+        }
+    }
+}
+
+#[test]
+fn command_coverage_all_versions() {
+    let mut unknown_cmd: BTreeMap<u32, usize> = BTreeMap::new();
+    let mut unknown_route: BTreeMap<u32, usize> = BTreeMap::new();
+    let mut all_cids: std::collections::BTreeSet<u32> = Default::default();
+    let mut ce_files = 0;
+    let mut map_files = 0;
+
+    let mut consider = |cmds: &[wolf_formats::command::RawCommand],
+                        uc: &mut BTreeMap<u32, usize>,
+                        ur: &mut BTreeMap<u32, usize>,
+                        all: &mut std::collections::BTreeSet<u32>| {
+        for c in cmds {
+            all.insert(c.cid);
+            if spec::command(c.cid).is_none() {
+                *uc.entry(c.cid).or_default() += 1;
+            }
+            if let Some(mr) = &c.move_route {
+                for rc in &mr.commands {
+                    if spec::route_name(rc.id as u32).starts_with("route") {
+                        *ur.entry(rc.id as u32).or_default() += 1;
+                    }
+                }
+            }
+        }
+    };
+
+    for root in roots() {
+        let mut ces = Vec::new();
+        walk(&root, "CommonEvent.dat", &mut ces);
+        for p in ces {
+            let Ok(b) = std::fs::read(&p) else { continue };
+            let Ok(ce) = CommonEventsFile::read(&b) else {
+                continue;
+            };
+            ce_files += 1;
+            for ev in &ce.events {
+                consider(
+                    &ev.commands,
+                    &mut unknown_cmd,
+                    &mut unknown_route,
+                    &mut all_cids,
+                );
+            }
+        }
+        let mut maps = Vec::new();
+        walk(&root, "mps", &mut maps);
+        for p in maps {
+            let Ok(b) = std::fs::read(&p) else { continue };
+            let Ok(m) = Map::read(&b) else { continue };
+            map_files += 1;
+            for ev in &m.events {
+                for pg in &ev.pages {
+                    consider(
+                        &pg.commands,
+                        &mut unknown_cmd,
+                        &mut unknown_route,
+                        &mut all_cids,
+                    );
+                }
+            }
+        }
+    }
+
+    eprintln!(
+        "scanned {ce_files} CommonEvent files + {map_files} maps; {} distinct command ids",
+        all_cids.len()
+    );
+    eprintln!("all command ids seen: {:?}", all_cids);
+    if unknown_cmd.is_empty() {
+        eprintln!("UNNAMED command ids: NONE - every command across every version is named");
+    } else {
+        eprintln!("UNNAMED command ids (cid: count): {unknown_cmd:?}");
+    }
+    if unknown_route.is_empty() {
+        eprintln!("UNNAMED route-command ids: NONE");
+    } else {
+        eprintln!("UNNAMED route-command ids: {unknown_route:?}");
+    }
+}
diff --git a/util/wolfdawn-master/crates/wolf-decompiler/tests/all_versions_recompile.rs b/util/wolfdawn-master/crates/wolf-decompiler/tests/all_versions_recompile.rs
new file mode 100644
index 0000000..b2aba50
--- /dev/null
+++ b/util/wolfdawn-master/crates/wolf-decompiler/tests/all_versions_recompile.rs
@@ -0,0 +1,95 @@
+//! Cross-version recompiler gate: for every Wolf editor version's CommonEvent.dat, prove
+//! compile(decompile(cmds)) == cmds for every common event.
+//!   cargo test -p wolf-decompiler --test all_versions_recompile -- --nocapture
+use std::path::{Path, PathBuf};
+
+use wolf_decompiler::{compile_commands, decompile_commands};
+use wolf_formats::common_event::CommonEventsFile;
+
+fn root() -> PathBuf {
+    PathBuf::from(env!("CARGO_MANIFEST_DIR"))
+        .join("..")
+        .join("..")
+        .join("..")
+        .join("ALLWOLFVERSIONS")
+}
+
+fn find_ce(dir: &Path) -> Option<PathBuf> {
+    let mut stack = vec![dir.to_path_buf()];
+    while let Some(d) = stack.pop() {
+        let Ok(rd) = std::fs::read_dir(&d) else {
+            continue;
+        };
+        for e in rd.flatten() {
+            let p = e.path();
+            if p.is_dir() {
+                stack.push(p);
+            } else if p.file_name().and_then(|s| s.to_str()) == Some("CommonEvent.dat") {
+                return Some(p);
+            }
+        }
+    }
+    None
+}
+
+#[test]
+fn recompile_all_versions() {
+    let Ok(dirs) = std::fs::read_dir(root()) else {
+        eprintln!("no ALLWOLFVERSIONS");
+        return;
+    };
+    let mut editors: Vec<PathBuf> = dirs
+        .flatten()
+        .map(|e| e.path())
+        .filter(|p| p.is_dir())
+        .collect();
+    editors.sort();
+
+    let mut versions_ok = 0;
+    let mut versions_total = 0;
+    for ed in &editors {
+        let name = ed.file_name().unwrap().to_string_lossy().into_owned();
+        let Some(p) = find_ce(ed) else { continue };
+        let Ok(bytes) = std::fs::read(&p) else {
+            continue;
+        };
+        let Ok(ce) = CommonEventsFile::read(&bytes) else {
+            eprintln!("  {name}: CommonEvent parse failed");
+            continue;
+        };
+        versions_total += 1;
+
+        let mut ok = 0;
+        let total = ce.events.len();
+        let mut first_fail = String::new();
+        for ev in &ce.events {
+            let text = decompile_commands(&ev.commands);
+            match compile_commands(&text) {
+                Ok(back) if back == ev.commands => ok += 1,
+                Ok(_) if first_fail.is_empty() => {
+                    first_fail = format!("event {} mismatch", ev.int_id)
+                }
+                Err(e) if first_fail.is_empty() => {
+                    first_fail = format!("event {} err: {}", ev.int_id, e)
+                }
+                _ => {}
+            }
+        }
+        if ok == total {
+            versions_ok += 1;
+            eprintln!("  OK   {name:22} v=0x{:02x}  {ok}/{total}", ce.version);
+        } else {
+            eprintln!(
+                "  FAIL {name:22} v=0x{:02x}  {ok}/{total}  ({first_fail})",
+                ce.version
+            );
+        }
+    }
+    eprintln!("\nversions fully recompiling: {versions_ok}/{versions_total}");
+    if versions_total > 0 {
+        assert_eq!(
+            versions_ok, versions_total,
+            "some version's common events did not recompile byte-exact"
+        );
+    }
+}
diff --git a/util/wolfdawn-master/crates/wolf-decompiler/tests/common/mod.rs b/util/wolfdawn-master/crates/wolf-decompiler/tests/common/mod.rs
new file mode 100644
index 0000000..a9c3161
--- /dev/null
+++ b/util/wolfdawn-master/crates/wolf-decompiler/tests/common/mod.rs
@@ -0,0 +1,15 @@
+//! Shared helpers for the integration tests.
+//!
+//! Several tests need real Wolf game data (saves, an unpacked Data dir) that cannot be bundled
+//! because it is copyrighted. Point `WOLFDAWN_TEST_DATA` at a fixtures root laid out as described in
+//! the README and those tests run. With the var unset, or a given file missing, the lookup returns
+//! `None` and the test skips itself.
+
+/// Resolve a fixture by its clean relative path under `WOLFDAWN_TEST_DATA`. Returns `None` when the
+/// var is unset or the file/dir does not exist, so callers can skip gracefully.
+#[allow(dead_code)]
+pub fn test_data(rel: &str) -> Option<std::path::PathBuf> {
+    let base = std::env::var_os("WOLFDAWN_TEST_DATA")?;
+    let p = std::path::Path::new(&base).join(rel);
+    p.exists().then_some(p)
+}
diff --git a/util/wolfdawn-master/crates/wolf-decompiler/tests/corpus_gates.rs b/util/wolfdawn-master/crates/wolf-decompiler/tests/corpus_gates.rs
new file mode 100644
index 0000000..34631a0
--- /dev/null
+++ b/util/wolfdawn-master/crates/wolf-decompiler/tests/corpus_gates.rs
@@ -0,0 +1,275 @@
+//! Permanent corpus gates. Across every sample or game file reachable from the workspace root,
+//! (1) the readable decompile must contain no generic/fallthrough renderings (no `Self*[`,
+//! `route<n>`, `cmp<n>`, `Cmd<n>`, `@raw`, or `argN`), and (2) every command list must round-trip
+//! byte-exactly through the gated recompile path. Guards the "nothing generic, fully readable,
+//! never lossy" contract for maps and common events at all engine versions.
+
+use wolf_decompiler::{
+    compile_commands_enc, decompile_commands_annotated, decompile_commands_enc,
+    decompile_common_events, decompile_map, SymbolTable,
+};
+use wolf_formats::common_event::CommonEventsFile;
+use wolf_formats::database::Database;
+use wolf_formats::map::Map;
+
+/// Build a real symbol table for a code file (CE self-vars, the sibling databases' variable
+/// names, and the engine glossary), mirroring the CLI so the annotate path resolves real names.
+fn symbols_for(path: &std::path::Path, ce: Option<&CommonEventsFile>) -> SymbolTable {
+    let mut sym = SymbolTable::new();
+    if let Some(ce) = ce {
+        sym.add_common_events(ce);
+    }
+    if let Some(dir) = path.parent() {
+        let basic = if dir.join("DataBase.project").exists() {
+            dir.to_path_buf()
+        } else {
+            dir.join("BasicData")
+        };
+        for (stem, kind) in [
+            ("DataBase", "UDB"),
+            ("CDataBase", "CDB"),
+            ("SysDatabase", "SDB"),
+        ] {
+            let proj = basic.join(format!("{stem}.project"));
+            let dat = basic.join(format!("{stem}.dat"));
+            if let (Ok(p), Ok(d)) = (std::fs::read(&proj), std::fs::read(&dat)) {
+                if let Ok(db) = Database::read(&p, &d) {
+                    sym.add_database(kind, &db);
+                }
+            }
+        }
+    }
+    sym.set_engine_text(wolf_decompiler::symbols::load_embedded_engine_glossary());
+    sym
+}
+
+fn corpus_files() -> Vec<std::path::PathBuf> {
+    let root = std::path::PathBuf::from(env!("CARGO_MANIFEST_DIR")).join("../../..");
+    let mut stack = vec![root];
+    let mut out = Vec::new();
+    while let Some(d) = stack.pop() {
+        let Ok(rd) = std::fs::read_dir(&d) else {
+            continue;
+        };
+        for e in rd.flatten() {
+            let p = e.path();
+            if p.is_dir() {
+                stack.push(p);
+            } else {
+                let name = p.file_name().and_then(|s| s.to_str()).unwrap_or("");
+                let ext = p.extension().and_then(|s| s.to_str()).unwrap_or("");
+                if name == "CommonEvent.dat" || ext.eq_ignore_ascii_case("mps") {
+                    out.push(p);
+                }
+            }
+        }
+    }
+    out
+}
+
+/// A generic/fallthrough token that should never appear in readable output.
+fn fallthrough_hits(text: &str) -> Vec<String> {
+    let mut hits = Vec::new();
+    for line in text.lines() {
+        let l = line.trim();
+        if l.contains("Self*[")
+            || l.contains("@raw ")
+            || prefixed_num(l, "route")
+            || prefixed_num(l, "cmp")
+            || prefixed_num(l, "Cmd")
+            || generic_argn(l)
+        {
+            hits.push(l.to_string());
+        }
+    }
+    hits
+}
+
+/// `prefix` immediately followed by a digit, not preceded by an alphanumeric (so `route47`
+/// matches but `@route(` and `strcmp` do not).
+fn prefixed_num(line: &str, prefix: &str) -> bool {
+    line.match_indices(prefix).any(|(i, _)| {
+        let before_ok = line[..i]
+            .chars()
+            .last()
+            .map_or(true, |c| !c.is_alphanumeric() && c != '@');
+        before_ok
+            && line[i + prefix.len()..]
+                .chars()
+                .next()
+                .map_or(false, |c| c.is_ascii_digit())
+    })
+}
+
+fn generic_argn(line: &str) -> bool {
+    line.match_indices("arg").any(|(i, _)| {
+        let before_ok = line[..i]
+            .chars()
+            .last()
+            .map_or(true, |c| !c.is_alphanumeric());
+        let after = &line[i + 3..];
+        before_ok
+            && after.chars().next().map_or(false, |c| c.is_ascii_digit())
+            && after
+                .split_once('=')
+                .map_or(false, |(k, _)| k.chars().all(|c| c.is_ascii_digit()))
+    })
+}
+
+#[test]
+fn no_fallthrough_renderings() {
+    let sym = SymbolTable::new();
+    let mut total = 0usize;
+    let mut bad = 0usize;
+    for p in corpus_files() {
+        let bytes = std::fs::read(&p).unwrap_or_default();
+        let name = p.file_name().and_then(|s| s.to_str()).unwrap_or("");
+        let text = if name == "CommonEvent.dat" {
+            match CommonEventsFile::read(&bytes) {
+                Ok(ce) => decompile_common_events(&ce, &sym),
+                Err(_) => continue, // encrypted or out-of-scope inputs
+            }
+        } else {
+            match Map::read(&bytes) {
+                Ok(m) => decompile_map(&m, &sym),
+                Err(_) => continue,
+            }
+        };
+        total += 1;
+        let hits = fallthrough_hits(&text);
+        if !hits.is_empty() {
+            bad += 1;
+            eprintln!(
+                "{} fallthrough(s) in {:?}; e.g. {}",
+                hits.len(),
+                p.file_name().unwrap(),
+                hits[0]
+            );
+        }
+    }
+    eprintln!("scanned {total} readable files");
+    assert!(total > 0, "corpus not found");
+    assert_eq!(bad, 0, "files with generic/fallthrough renderings");
+}
+
+#[test]
+fn annotate_roundtrip_byte_exact() {
+    // The unified read-plus-edit form (index-anchored bilingual names) must round-trip byte-exact
+    // with real symbols loaded. The recompiler strips the labels. The index is the authority.
+    let mut lists = 0usize;
+    let mut mismatch = 0usize;
+    let mut annotated = 0usize;
+    for p in corpus_files() {
+        let bytes = std::fs::read(&p).unwrap_or_default();
+        let name = p.file_name().and_then(|s| s.to_str()).unwrap_or("");
+        if name == "CommonEvent.dat" {
+            let Ok(ce) = CommonEventsFile::read(&bytes) else {
+                continue;
+            };
+            let sym = symbols_for(&p, Some(&ce));
+            for ev in &ce.events {
+                lists += 1;
+                let text =
+                    decompile_commands_annotated(&ev.commands, ce.utf8, &sym, Some(ev.int_id));
+                if text.contains("[0 \"") || text.contains("\" ] ") || text.matches('"').count() > 0
+                {
+                    annotated += text
+                        .lines()
+                        .filter(|l| l.contains("[") && l.contains("\""))
+                        .count();
+                }
+                match compile_commands_enc(&text, ce.utf8) {
+                    Ok(back) if back == ev.commands => {}
+                    _ => {
+                        mismatch += 1;
+                        if mismatch <= 5 {
+                            eprintln!(
+                                "annotate mismatch in {:?} CE {}",
+                                p.file_name().unwrap(),
+                                ev.int_id
+                            );
+                        }
+                    }
+                }
+            }
+        } else if p.extension().and_then(|s| s.to_str()) == Some("mps") {
+            let Ok(m) = Map::read(&bytes) else { continue };
+            let sym = symbols_for(&p, None);
+            for ev in &m.events {
+                for pg in &ev.pages {
+                    lists += 1;
+                    let text = decompile_commands_annotated(&pg.commands, m.utf8, &sym, None);
+                    match compile_commands_enc(&text, m.utf8) {
+                        Ok(back) if back == pg.commands => {}
+                        _ => {
+                            mismatch += 1;
+                            if mismatch <= 5 {
+                                eprintln!("annotate mismatch in {:?}", p.file_name().unwrap());
+                            }
+                        }
+                    }
+                }
+            }
+        }
+    }
+    eprintln!("annotate: round-tripped {lists} lists, ~{annotated} annotated lines seen");
+    assert!(lists > 0, "corpus not found");
+    assert_eq!(
+        mismatch, 0,
+        "annotated command lists that did not round-trip byte-exactly"
+    );
+}
+
+#[test]
+fn byte_exact_roundtrip() {
+    let mut lists = 0usize;
+    let mut mismatch = 0usize;
+    for p in corpus_files() {
+        let bytes = std::fs::read(&p).unwrap_or_default();
+        let name = p.file_name().and_then(|s| s.to_str()).unwrap_or("");
+        let programs: Vec<(bool, Vec<_>)> = if name == "CommonEvent.dat" {
+            match CommonEventsFile::read(&bytes) {
+                Ok(ce) => ce
+                    .events
+                    .into_iter()
+                    .map(|ev| (ce.utf8, ev.commands))
+                    .collect(),
+                Err(_) => continue,
+            }
+        } else {
+            match Map::read(&bytes) {
+                Ok(m) => m
+                    .events
+                    .into_iter()
+                    .flat_map(|ev| ev.pages.into_iter().map(move |pg| (m.utf8, pg.commands)))
+                    .collect(),
+                Err(_) => continue,
+            }
+        };
+        for (utf8, cmds) in programs {
+            lists += 1;
+            let text = decompile_commands_enc(&cmds, utf8);
+            match compile_commands_enc(&text, utf8) {
+                Ok(back) if back == cmds => {}
+                Ok(_) => {
+                    mismatch += 1;
+                    if mismatch <= 5 {
+                        eprintln!("structural mismatch in {:?}", p.file_name().unwrap());
+                    }
+                }
+                Err(e) => {
+                    mismatch += 1;
+                    if mismatch <= 5 {
+                        eprintln!("compile error in {:?}: {e}", p.file_name().unwrap());
+                    }
+                }
+            }
+        }
+    }
+    eprintln!("round-tripped {lists} command lists");
+    assert!(lists > 0, "corpus not found");
+    assert_eq!(
+        mismatch, 0,
+        "command lists that did not round-trip byte-exactly"
+    );
+}
diff --git a/util/wolfdawn-master/crates/wolf-decompiler/tests/db_apply.rs b/util/wolfdawn-master/crates/wolf-decompiler/tests/db_apply.rs
new file mode 100644
index 0000000..cb51bb9
--- /dev/null
+++ b/util/wolfdawn-master/crates/wolf-decompiler/tests/db_apply.rs
@@ -0,0 +1,83 @@
+//! DB value-edit round-trip. Applying the export unchanged is byte-identical to the base. Editing
+//! a single int and a single string changes only those cells and reloads correctly.
+use wolf_decompiler::{apply_database_edit, database_to_json};
+use wolf_formats::database::Database;
+
+fn load() -> Option<(Vec<u8>, Vec<u8>, Database)> {
+    let base = std::path::PathBuf::from(env!("CARGO_MANIFEST_DIR")).join("../../../Data/BasicData");
+    let (proj, dat) = (base.join("DataBase.project"), base.join("DataBase.dat"));
+    let (Ok(p), Ok(d)) = (std::fs::read(&proj), std::fs::read(&dat)) else {
+        eprintln!("no corpus DataBase, skipping");
+        return None;
+    };
+    let db = Database::read(&p, &d).expect("parse db");
+    Some((p, d, db))
+}
+
+#[test]
+fn noop_apply_is_byte_identical() {
+    let Some((p, d, db)) = load() else { return };
+    let glossary = wolf_decompiler::symbols::load_embedded_engine_glossary();
+    let json = database_to_json(&db, "UDB", &glossary);
+
+    let mut db2 = Database::read(&p, &d).unwrap();
+    let changed = apply_database_edit(&json, &mut db2).expect("apply");
+    assert_eq!(
+        changed, 0,
+        "round-tripping the export unchanged must change nothing"
+    );
+    let (p2, d2) = db2.write();
+    assert!(
+        p2 == p && d2 == d,
+        "no-op apply must be byte-identical to base"
+    );
+}
+
+#[test]
+fn edit_one_int_and_one_string_roundtrips() {
+    let Some((p, d, db)) = load() else { return };
+
+    // Pick a type with rows, and (via the shared key derivation) an int and a string slot.
+    let (ti, int_key, int_slot, str_key, str_slot) = db
+        .types
+        .iter()
+        .enumerate()
+        .find_map(|(ti, t)| {
+            if t.data.is_empty() {
+                return None;
+            }
+            let fs = (t.dat_fields_size as usize).min(t.fields.len());
+            let slots = wolf_decompiler::json::value_slots(t, fs, db.utf8);
+            let ik = slots.iter().find(|(_, is_str, _)| !is_str)?;
+            let sk = slots.iter().find(|(_, is_str, _)| *is_str)?;
+            Some((ti, ik.0.clone(), ik.2, sk.0.clone(), sk.2))
+        })
+        .expect("a type with int+string slots and rows");
+
+    let edit = format!(
+        r#"{{ "types": [ {{ "id": {ti}, "rows": [ {{ "id": 0, "values": {{ {ik}: 31337, {sk}: "WOLFDAWN_EDIT" }} }} ] }} ] }}"#,
+        ik = serde_json::Value::String(int_key),
+        sk = serde_json::Value::String(str_key),
+    );
+
+    let mut db2 = Database::read(&p, &d).unwrap();
+    let changed = apply_database_edit(&edit, &mut db2).expect("apply");
+    assert!(changed >= 1, "expected at least one changed cell");
+    let (p2, d2) = db2.write();
+
+    let db3 = Database::read(&p2, &d2).expect("re-read edited");
+    let t3 = &db3.types[ti];
+    assert_eq!(
+        t3.data[0].int_values[int_slot], 31337,
+        "int edit must persist"
+    );
+    assert_eq!(
+        wolf_decompiler::text::decode_wstr(&t3.data[0].string_values[str_slot], db3.utf8),
+        "WOLFDAWN_EDIT",
+        "string edit must persist"
+    );
+    assert_eq!(
+        p2, p,
+        ".project must be unchanged when only .dat values are edited"
+    );
+}
diff --git a/util/wolfdawn-master/crates/wolf-decompiler/tests/db_json.rs b/util/wolfdawn-master/crates/wolf-decompiler/tests/db_json.rs
new file mode 100644
index 0000000..5121673
--- /dev/null
+++ b/util/wolfdawn-master/crates/wolf-decompiler/tests/db_json.rs
@@ -0,0 +1,49 @@
+//! DB to JSON export sanity gate: valid, balanced, faithful JSON for a real database.
+use wolf_decompiler::database_to_json;
+use wolf_formats::database::Database;
+
+#[test]
+fn exports_valid_json_for_corpus_db() {
+    let base = std::path::PathBuf::from(env!("CARGO_MANIFEST_DIR")).join("../../../Data/BasicData");
+    let (proj, dat) = (base.join("DataBase.project"), base.join("DataBase.dat"));
+    let (Ok(p), Ok(d)) = (std::fs::read(&proj), std::fs::read(&dat)) else {
+        eprintln!("no corpus DataBase, skipping");
+        return;
+    };
+    let db = Database::read(&p, &d).expect("parse db");
+    let glossary = wolf_decompiler::symbols::load_embedded_engine_glossary();
+    let json = database_to_json(&db, "UDB", &glossary);
+    // Bilingual lookup: structural names the glossary covers carry a `name_en`, so a modder
+    // reading the English code can find the entry. Absent for player-facing content.
+    assert!(
+        json.contains("\"name_en\":"),
+        "expected at least one English name_en in the UDB export"
+    );
+
+    // Structurally valid: starts and ends as an object, braces and brackets balanced, key fields present.
+    assert!(json.trim_start().starts_with('{') && json.trim_end().ends_with('}'));
+    assert!(json.contains("\"kind\": \"UDB\""));
+    assert!(json.contains("\"types\"") && json.contains("\"rows\""));
+    let bal = |o: char, c: char| {
+        let mut depth = 0i64;
+        let mut in_str = false;
+        let mut esc = false;
+        for ch in json.chars() {
+            if esc {
+                esc = false;
+                continue;
+            }
+            match ch {
+                '\\' if in_str => esc = true,
+                '"' => in_str = !in_str,
+                x if x == o && !in_str => depth += 1,
+                x if x == c && !in_str => depth -= 1,
+                _ => {}
+            }
+        }
+        depth
+    };
+    assert_eq!(bal('{', '}'), 0, "unbalanced braces");
+    assert_eq!(bal('[', ']'), 0, "unbalanced brackets");
+    eprintln!("UDB JSON: {} bytes, {} types", json.len(), db.types.len());
+}
diff --git a/util/wolfdawn-master/crates/wolf-decompiler/tests/full_file_recompile.rs b/util/wolfdawn-master/crates/wolf-decompiler/tests/full_file_recompile.rs
new file mode 100644
index 0000000..5097328
--- /dev/null
+++ b/util/wolfdawn-master/crates/wolf-decompiler/tests/full_file_recompile.rs
@@ -0,0 +1,160 @@
+//! Whole-file recompile gate: `compile(decompile_edit(file), base=file).write() == file`.
+//!
+//! This is the real edit-to-play round trip. It exercises the document envelope, the patch
+//! substitution, and the format writer together, asserting byte-identity across every
+//! CommonEvent.dat and .mps reachable (main corpus, every editor version, GamePro and Pro).
+//!   cargo test -p wolf-decompiler --test full_file_recompile -- --nocapture
+
+use std::path::{Path, PathBuf};
+
+use wolf_decompiler::{
+    compile_common_events_edit, compile_map_edit, decompile_common_events_edit, decompile_map_edit,
+};
+use wolf_formats::common_event::CommonEventsFile;
+use wolf_formats::map::Map;
+
+fn wolf_root() -> PathBuf {
+    PathBuf::from(env!("CARGO_MANIFEST_DIR"))
+        .join("..")
+        .join("..")
+        .join("..")
+}
+
+/// Recurse `dir`, collecting every CommonEvent.dat and *.mps.
+fn collect(dir: &Path, ces: &mut Vec<PathBuf>, maps: &mut Vec<PathBuf>) {
+    let Ok(rd) = std::fs::read_dir(dir) else {
+        return;
+    };
+    for e in rd.flatten() {
+        let p = e.path();
+        if p.is_dir() {
+            collect(&p, ces, maps);
+        } else if p.file_name().and_then(|s| s.to_str()) == Some("CommonEvent.dat") {
+            ces.push(p);
+        } else if p.extension().and_then(|s| s.to_str()) == Some("mps") {
+            maps.push(p);
+        }
+    }
+}
+
+fn ce_roundtrip(bytes: &[u8]) -> Result<bool, String> {
+    let ce = CommonEventsFile::read(bytes).map_err(|e| e.to_string())?;
+    let doc = decompile_common_events_edit(&ce);
+    let mut base = CommonEventsFile::read(bytes).map_err(|e| e.to_string())?;
+    compile_common_events_edit(&doc, &mut base).map_err(|e| e.to_string())?;
+    Ok(base.write() == bytes)
+}
+
+fn map_roundtrip(bytes: &[u8]) -> Result<bool, String> {
+    let map = Map::read(bytes).map_err(|e| e.to_string())?;
+    let doc = decompile_map_edit(&map);
+    let mut base = Map::read(bytes).map_err(|e| e.to_string())?;
+    compile_map_edit(&doc, &mut base).map_err(|e| e.to_string())?;
+    Ok(base.write() == bytes)
+}
+
+#[test]
+fn whole_file_round_trip_byte_exact() {
+    let root = wolf_root();
+    let mut ces = Vec::new();
+    let mut maps = Vec::new();
+    for sub in ["Data", "ALLWOLFVERSIONS", "GamePro_Data", "GameProData"] {
+        collect(&root.join(sub), &mut ces, &mut maps);
+    }
+    ces.sort();
+    ces.dedup();
+    maps.sort();
+    maps.dedup();
+
+    if ces.is_empty() && maps.is_empty() {
+        eprintln!("no corpus found, skipping");
+        return;
+    }
+
+    let mut ok = 0usize;
+    let mut fail = 0usize;
+    let mut skip = 0usize;
+    let rel = |p: &Path| {
+        p.strip_prefix(&root)
+            .unwrap_or(p)
+            .display()
+            .to_string()
+            .replace('\\', "/")
+    };
+
+    // Encrypted (packaged) files need the archive layer to decrypt first. They are not plaintext
+    // inputs to the format/recompile path, so skip rather than fail.
+    let mut tally = |p: &Path, r: Result<bool, String>| match r {
+        Ok(true) => ok += 1,
+        Ok(false) => {
+            fail += 1;
+            eprintln!("  DIFF  {}", rel(p));
+        }
+        Err(e) if e.contains("encrypted") => skip += 1,
+        Err(e) => {
+            fail += 1;
+            eprintln!("  ERR   {}  ({e})", rel(p));
+        }
+    };
+
+    for p in &ces {
+        let Ok(bytes) = std::fs::read(p) else {
+            continue;
+        };
+        tally(p, ce_roundtrip(&bytes));
+    }
+    for p in &maps {
+        let Ok(bytes) = std::fs::read(p) else {
+            continue;
+        };
+        tally(p, map_roundtrip(&bytes));
+    }
+
+    eprintln!(
+        "\nwhole-file recompile: {ok} byte-exact, {fail} fail, {skip} skipped (encrypted)  \
+         ({} CE, {} maps)",
+        ces.len(),
+        maps.len()
+    );
+    assert_eq!(fail, 0, "some files did not recompile byte-exact");
+    assert!(ok > 0, "no files were exercised");
+}
+
+#[test]
+fn edit_then_compile_takes_effect() {
+    // Prove the whole-file path is driven by the document text, not a memory of the base. Edit a
+    // Message in the decompiled doc, recompile, and confirm the bytes changed and the new text is
+    // present, and that the re-read file still parses.
+    let path = wolf_root().join("Data/BasicData/CommonEvent.dat");
+    let Ok(bytes) = std::fs::read(&path) else {
+        eprintln!("corpus not found, skipping");
+        return;
+    };
+    let ce = CommonEventsFile::read(&bytes).unwrap();
+    let doc = decompile_common_events_edit(&ce);
+
+    // Find any Message line to mutate.
+    let Some(line) = doc.lines().find(|l| l.trim_start().starts_with("Message ")) else {
+        eprintln!("no Message command in corpus doc, skipping");
+        return;
+    };
+    let edited = doc.replacen(line, "Message \"WOLFDAWN_EDIT_MARKER\"", 1);
+    assert_ne!(edited, doc, "edit did not change the document");
+
+    let mut base = CommonEventsFile::read(&bytes).unwrap();
+    compile_common_events_edit(&edited, &mut base).expect("edited doc compiles");
+    let out = base.write();
+    assert_ne!(out, bytes, "edited file should differ from the original");
+
+    // Re-read: the marker is present and the file is structurally valid.
+    let reread = CommonEventsFile::read(&out).expect("edited file re-parses");
+    let found = reread.events.iter().any(|ev| {
+        ev.commands.iter().any(|c| {
+            c.cid == 101
+                && c.str_args
+                    .first()
+                    .map_or(false, |s| s.as_bytes() == b"WOLFDAWN_EDIT_MARKER\0")
+        })
+    });
+    assert!(found, "edited Message text not found after recompile");
+}
diff --git a/util/wolfdawn-master/crates/wolf-decompiler/tests/game_dat_roundtrip.rs b/util/wolfdawn-master/crates/wolf-decompiler/tests/game_dat_roundtrip.rs
new file mode 100644
index 0000000..4f3474f
--- /dev/null
+++ b/util/wolfdawn-master/crates/wolf-decompiler/tests/game_dat_roundtrip.rs
@@ -0,0 +1,111 @@
+//! Game.dat support: byte-exact round-trip, Title extraction, and translated-Title inject.
+//! Uses the corpus `Data/BasicData/Game.dat`. Skips gracefully if it is absent.
+
+use wolf_decompiler::{extract_game_dat, inject_game_dat, InjectOptions};
+use wolf_formats::game_dat::GameDat;
+
+fn corpus_game_dat() -> Option<Vec<u8>> {
+    let path =
+        std::path::PathBuf::from(env!("CARGO_MANIFEST_DIR")).join("../../../Data/BasicData/Game.dat");
+    std::fs::read(&path).ok()
+}
+
+#[test]
+fn read_write_is_byte_exact() {
+    let Some(bytes) = corpus_game_dat() else {
+        eprintln!("no corpus Game.dat, skipping");
+        return;
+    };
+    let gd = GameDat::read(&bytes).expect("parse Game.dat");
+    assert!(
+        gd.write() == bytes,
+        "Game.dat round-trip must be byte-exact for an unmodified file"
+    );
+}
+
+#[test]
+fn extract_yields_nonempty_title() {
+    let Some(bytes) = corpus_game_dat() else {
+        return;
+    };
+    let gd = GameDat::read(&bytes).unwrap();
+    let json = extract_game_dat(&gd);
+    let root: serde_json::Value = serde_json::from_str(&json).unwrap();
+    let title = root["lines"]
+        .as_array()
+        .unwrap()
+        .iter()
+        .find(|l| l["key"] == "Title")
+        .expect("a Title line");
+    assert!(
+        !title["source"].as_str().unwrap_or("").is_empty(),
+        "extracted Title must be non-empty"
+    );
+}
+
+#[test]
+fn inject_translated_title_persists_and_reparses() {
+    let Some(bytes) = corpus_game_dat() else {
+        return;
+    };
+    let gd = GameDat::read(&bytes).unwrap();
+    let title_src = {
+        let json = extract_game_dat(&gd);
+        let root: serde_json::Value = serde_json::from_str(&json).unwrap();
+        root["lines"]
+            .as_array()
+            .unwrap()
+            .iter()
+            .find(|l| l["key"] == "Title")
+            .unwrap()["source"]
+            .as_str()
+            .unwrap()
+            .to_string()
+    };
+
+    // No-op inject (text == source) must leave the file byte-identical.
+    let edit_noop = format!(
+        r#"{{ "lines": [ {{ "key": "Title", "source": {0}, "text": {0} }} ] }}"#,
+        serde_json::Value::String(title_src.clone())
+    );
+    let mut gd_noop = GameDat::read(&bytes).unwrap();
+    let st = inject_game_dat(&edit_noop, &mut gd_noop, &InjectOptions::default()).expect("inject");
+    assert_eq!(st.applied, 0);
+    assert_eq!(st.drifted, 0);
+    assert!(
+        gd_noop.write() == bytes,
+        "no-op Game.dat inject must be byte-identical"
+    );
+
+    // Translate the Title and confirm it persists, the file re-parses, and other fields are intact.
+    let edit = format!(
+        r#"{{ "lines": [ {{ "key": "Title", "source": {}, "text": "WolfDawn Title" }} ] }}"#,
+        serde_json::Value::String(title_src.clone())
+    );
+    let mut gd2 = GameDat::read(&bytes).unwrap();
+    let st = inject_game_dat(&edit, &mut gd2, &InjectOptions::default()).expect("inject");
+    assert_eq!(st.applied, 1, "the Title should translate");
+
+    let out = gd2.write();
+    let gd3 = GameDat::read(&out).expect("injected Game.dat must re-parse");
+    let json3 = extract_game_dat(&gd3);
+    let root3: serde_json::Value = serde_json::from_str(&json3).unwrap();
+    let new_title = root3["lines"]
+        .as_array()
+        .unwrap()
+        .iter()
+        .find(|l| l["key"] == "Title")
+        .unwrap()["source"]
+        .as_str()
+        .unwrap();
+    assert_eq!(new_title, "WolfDawn Title", "Title must read the new text");
+
+    // Other non-title fields are untouched. The decrypt key, font, and the housekeeping
+    // word-data carry over verbatim.
+    assert_eq!(gd3.decrypt_key, gd.decrypt_key, "decrypt key intact");
+    assert_eq!(gd3.font, gd.font, "font intact");
+    assert_eq!(
+        gd3.unknown_word_data, gd.unknown_word_data,
+        "word data intact"
+    );
+}
diff --git a/util/wolfdawn-master/crates/wolf-decompiler/tests/gamedat_full.rs b/util/wolfdawn-master/crates/wolf-decompiler/tests/gamedat_full.rs
new file mode 100644
index 0000000..5839279
--- /dev/null
+++ b/util/wolfdawn-master/crates/wolf-decompiler/tests/gamedat_full.rs
@@ -0,0 +1,179 @@
+//! Full Game.dat field editing (`dump_game_dat` / `apply_game_dat`): byte-exact no-op round-trip,
+//! editing a scalar field, editing the Title (length change), and the `None`-optional omission
+//! invariant. Uses an unpacked original Game.dat if present (the `WOLFDAWN_TEST_DATA` fixture first,
+//! the corpus `Data/BasicData/Game.dat` as a fallback). Skips gracefully if neither is available.
+
+use wolf_decompiler::{apply_game_dat, dump_game_dat};
+use wolf_formats::game_dat::GameDat;
+
+mod common;
+use common::test_data;
+
+/// Locate an unpacked original Game.dat: the fixtures copy first, then the workspace corpus.
+fn fixture() -> Option<Vec<u8>> {
+    let candidates = [
+        test_data("chamber/Data/BasicData/Game.dat"),
+        Some(
+            std::path::PathBuf::from(env!("CARGO_MANIFEST_DIR"))
+                .join("../../../Data/BasicData/Game.dat"),
+        ),
+    ];
+    candidates
+        .into_iter()
+        .flatten()
+        .find_map(|p| std::fs::read(&p).ok())
+}
+
+#[test]
+fn dump_apply_write_is_byte_exact_noop() {
+    let Some(bytes) = fixture() else {
+        eprintln!("no Game.dat fixture, skipping");
+        return;
+    };
+    let mut gd = GameDat::read(&bytes).expect("parse Game.dat");
+    let json = dump_game_dat(&gd);
+    // The dump is valid JSON.
+    let _: serde_json::Value = serde_json::from_str(&json).expect("dump is valid JSON");
+    // Applying the dump back onto the file changes nothing...
+    let changed = apply_game_dat(&mut gd, &json).expect("apply dump");
+    assert_eq!(changed, 0, "round-tripping the dump must change no fields");
+    // ...and the write is byte-exact.
+    assert!(
+        gd.write() == bytes,
+        "dump -> apply -> write must reproduce the file byte-exact"
+    );
+}
+
+#[test]
+fn edit_font_round_trips_and_leaves_other_fields_intact() {
+    let Some(bytes) = fixture() else {
+        return;
+    };
+    let original = GameDat::read(&bytes).expect("parse base");
+
+    // Build an edit JSON from the dump, swapping only the Font.
+    let dump = dump_game_dat(&original);
+    let mut root: serde_json::Value = serde_json::from_str(&dump).unwrap();
+    root["Font"] = serde_json::Value::String("TestFont".to_string());
+    let edit = serde_json::to_string(&root).unwrap();
+
+    let mut gd = GameDat::read(&bytes).unwrap();
+    let changed = apply_game_dat(&mut gd, &edit).expect("apply edit");
+    assert_eq!(changed, 1, "only the Font should change");
+
+    let out = gd.write();
+    let reread = GameDat::read(&out).expect("edited Game.dat must re-parse");
+
+    // Font reads back as the new value.
+    let reread_json: serde_json::Value =
+        serde_json::from_str(&dump_game_dat(&reread)).unwrap();
+    assert_eq!(reread_json["Font"], "TestFont", "Font must read the new text");
+
+    // Every other field is byte-identical to the original struct.
+    assert_eq!(reread.title, original.title, "title intact");
+    assert_eq!(reread.title_plus, original.title_plus, "title_plus intact");
+    assert_eq!(reread.sub_fonts, original.sub_fonts, "sub_fonts intact");
+    assert_eq!(
+        reread.default_pc_graphic, original.default_pc_graphic,
+        "default_pc_graphic intact"
+    );
+    assert_eq!(reread.road_img, original.road_img, "road_img intact");
+    assert_eq!(reread.gauge_img, original.gauge_img, "gauge_img intact");
+    assert_eq!(reread.start_up_msg, original.start_up_msg, "start_up_msg intact");
+    assert_eq!(reread.title_msg, original.title_msg, "title_msg intact");
+    assert_eq!(
+        reread.unknown_string14, original.unknown_string14,
+        "unknown_string14 intact"
+    );
+    assert_eq!(reread.decrypt_key, original.decrypt_key, "decrypt key intact");
+    assert_eq!(reread.magic_string, original.magic_string, "magic string intact");
+    assert_eq!(
+        reread.unknown_word_data, original.unknown_word_data,
+        "word data intact"
+    );
+}
+
+#[test]
+fn edit_title_length_change_round_trips() {
+    let Some(bytes) = fixture() else {
+        return;
+    };
+    let original = GameDat::read(&bytes).unwrap();
+    let old_title = {
+        let d: serde_json::Value = serde_json::from_str(&dump_game_dat(&original)).unwrap();
+        d["Title"].as_str().unwrap().to_string()
+    };
+
+    // A new title of a clearly different length, to exercise the housekeeping-offset shift.
+    let new_title = format!("{old_title} -- WolfDawn Full Edit Demo");
+    assert_ne!(new_title.len(), old_title.len(), "fixture sanity: length differs");
+
+    let mut root: serde_json::Value = serde_json::from_str(&dump_game_dat(&original)).unwrap();
+    root["Title"] = serde_json::Value::String(new_title.clone());
+    let edit = serde_json::to_string(&root).unwrap();
+
+    let mut gd = GameDat::read(&bytes).unwrap();
+    let changed = apply_game_dat(&mut gd, &edit).expect("apply title edit");
+    assert_eq!(changed, 1, "only the Title should change");
+
+    let out = gd.write();
+    // The file must re-parse cleanly despite the length change (offsets shifted correctly).
+    let reread = GameDat::read(&out).expect("re-parse after length-changing Title edit");
+    let reread_title = {
+        let d: serde_json::Value = serde_json::from_str(&dump_game_dat(&reread)).unwrap();
+        d["Title"].as_str().unwrap().to_string()
+    };
+    assert_eq!(reread_title, new_title, "Title must read the new (longer) text");
+    // Non-title fields still intact.
+    assert_eq!(reread.font, original.font, "font intact after title resize");
+    assert_eq!(
+        reread.default_pc_graphic, original.default_pc_graphic,
+        "graphic intact after title resize"
+    );
+}
+
+#[test]
+fn dump_omits_none_optionals_and_includes_present() {
+    let Some(bytes) = fixture() else {
+        return;
+    };
+    let gd = GameDat::read(&bytes).unwrap();
+    let json = dump_game_dat(&gd);
+    let root: serde_json::Value = serde_json::from_str(&json).unwrap();
+    let obj = root.as_object().unwrap();
+
+    // Fixed scalars, the array, and the encoding marker are always present.
+    assert!(obj.contains_key("encoding"), "encoding marker present");
+    assert!(obj.contains_key("Title"), "Title always present");
+    assert!(obj.contains_key("Font"), "Font always present");
+    assert!(obj.contains_key("DefaultPcGraphic"), "graphic always present");
+    assert!(root["SubFonts"].is_array(), "SubFonts is an array");
+    assert_eq!(
+        root["SubFonts"].as_array().unwrap().len(),
+        gd.sub_fonts.len(),
+        "SubFonts array length matches the struct"
+    );
+
+    // Each optional key appears in the JSON iff the struct cell is Some.
+    let checks: [(&str, bool); 6] = [
+        ("TitlePlus", gd.title_plus.is_some()),
+        ("RoadImg", gd.road_img.is_some()),
+        ("GaugeImg", gd.gauge_img.is_some()),
+        ("StartUpMsg", gd.start_up_msg.is_some()),
+        ("TitleMsg", gd.title_msg.is_some()),
+        ("UnknownString14", gd.unknown_string14.is_some()),
+    ];
+    for (key, present) in checks {
+        assert_eq!(
+            obj.contains_key(key),
+            present,
+            "`{key}` key presence must match the optional cell"
+        );
+    }
+
+    // The read-only encoding marker must match the file.
+    assert_eq!(
+        root["encoding"].as_str().unwrap(),
+        if gd.utf8 { "utf8" } else { "shiftjis" }
+    );
+}
diff --git a/util/wolfdawn-master/crates/wolf-decompiler/tests/gamepro_decompile.rs b/util/wolfdawn-master/crates/wolf-decompiler/tests/gamepro_decompile.rs
new file mode 100644
index 0000000..93c0547
--- /dev/null
+++ b/util/wolfdawn-master/crates/wolf-decompiler/tests/gamepro_decompile.rs
@@ -0,0 +1,168 @@
+//! Probe that reports and never asserts. Runs the decompiler and recompiler against the Wolf-Pro
+//! game's 1300 v3.5 common events and maps. Reports (1) byte-exact recompile coverage, (2) any
+//! command ids missing from the spec, and (3) how readable the output is (pretty vs @raw
+//! fallback), driven by the per-command v3.5 trailing blob.
+//!   cargo test -p wolf-decompiler --test gamepro_decompile -- --nocapture
+
+use std::collections::BTreeMap;
+use std::path::PathBuf;
+
+use wolf_decompiler::{compile_commands, decompile_commands, spec};
+use wolf_formats::common_event::CommonEventsFile;
+use wolf_formats::map::Map;
+
+fn pro() -> PathBuf {
+    PathBuf::from(env!("CARGO_MANIFEST_DIR"))
+        .join("..")
+        .join("..")
+        .join("..")
+        .join("GamePro_Data")
+}
+
+#[test]
+fn recompile_pro_common_events() {
+    let p = pro().join("BasicData").join("CommonEvent.dat");
+    let Ok(bytes) = std::fs::read(&p) else {
+        eprintln!("missing {}", p.display());
+        return;
+    };
+    let ce = CommonEventsFile::read(&bytes).expect("parse Pro CommonEvent.dat");
+    eprintln!(
+        "Pro CommonEvent.dat: v35={} events={}",
+        ce.v35,
+        ce.events.len()
+    );
+
+    let mut ok = 0usize;
+    let mut fail = 0usize;
+    let mut unknown_cids: BTreeMap<u32, usize> = BTreeMap::new();
+    let mut blob_sizes: BTreeMap<usize, usize> = BTreeMap::new();
+    let mut pretty_lines = 0usize;
+    let mut raw_lines = 0usize;
+    let mut failures: Vec<(u32, String)> = Vec::new();
+
+    for ev in &ce.events {
+        for c in &ev.commands {
+            if spec::command(c.cid).is_none() {
+                *unknown_cids.entry(c.cid).or_default() += 1;
+            }
+            let bl = c.v35_blob.as_ref().map(|b| b.len()).unwrap_or(usize::MAX);
+            if bl != usize::MAX {
+                *blob_sizes.entry(bl).or_default() += 1;
+            }
+        }
+
+        let text = decompile_commands(&ev.commands);
+        for line in text.lines() {
+            let t = line.trim_start();
+            if t.is_empty() {
+                continue;
+            }
+            if t.starts_with("@raw ") {
+                raw_lines += 1;
+            } else {
+                pretty_lines += 1;
+            }
+        }
+
+        match compile_commands(&text) {
+            Ok(back) if back == ev.commands => ok += 1,
+            Ok(back) => {
+                fail += 1;
+                let idx = back.iter().zip(&ev.commands).position(|(a, b)| a != b);
+                let detail = match idx {
+                    Some(i) => format!(
+                        "cmd#{i} cid{}: orig {:?} vs back {:?}",
+                        ev.commands[i].cid, ev.commands[i], back[i]
+                    ),
+                    None => format!("length {} vs {}", back.len(), ev.commands.len()),
+                };
+                failures.push((ev.int_id, detail));
+            }
+            Err(e) => {
+                fail += 1;
+                failures.push((ev.int_id, format!("compile error: {e}")));
+            }
+        }
+    }
+
+    eprintln!(
+        "recompile byte-exact: {ok}/{} (fail {fail})",
+        ce.events.len()
+    );
+    eprintln!("readability: pretty lines={pretty_lines}  @raw lines={raw_lines}");
+    eprintln!("v35 blob size distribution (size: count): {blob_sizes:?}");
+    if unknown_cids.is_empty() {
+        eprintln!("unknown command ids: NONE - every cid is in the spec");
+    } else {
+        eprintln!("unknown command ids (cid: occurrences): {unknown_cids:?}");
+    }
+    eprintln!("--- all {} failures ---", failures.len());
+    for (id, detail) in &failures {
+        eprintln!("  event {id}: {detail}");
+    }
+
+    // Dump a couple of examples of each unknown command id, with arg shape, to identify them.
+    for &cid in &[242u32, 252, 260] {
+        let mut shown = 0;
+        for ev in &ce.events {
+            for c in &ev.commands {
+                if c.cid == cid && shown < 3 {
+                    eprintln!(
+                        "  ex cid{cid}: ints={:?} strs={:?}",
+                        c.int_args,
+                        c.str_args
+                            .iter()
+                            .map(|s| String::from_utf8_lossy(s.as_bytes())
+                                .trim_end_matches('\0')
+                                .to_string())
+                            .collect::<Vec<_>>()
+                    );
+                    shown += 1;
+                }
+            }
+        }
+    }
+
+    assert_eq!(
+        ok,
+        ce.events.len(),
+        "all Pro common events must recompile byte-exact"
+    );
+}
+
+#[test]
+fn scan_pro_map_commands() {
+    let dir = pro().join("MapData");
+    let Ok(entries) = std::fs::read_dir(&dir) else {
+        return;
+    };
+    let mut unknown: BTreeMap<u32, usize> = BTreeMap::new();
+    let mut cmds = 0usize;
+    let mut maps = 0usize;
+    for e in entries {
+        let path = e.unwrap().path();
+        if path.extension().and_then(|s| s.to_str()) != Some("mps") {
+            continue;
+        }
+        let bytes = std::fs::read(&path).unwrap();
+        let Ok(m) = Map::read(&bytes) else { continue };
+        maps += 1;
+        for ev in &m.events {
+            for pg in &ev.pages {
+                for c in &pg.commands {
+                    cmds += 1;
+                    if spec::command(c.cid).is_none() {
+                        *unknown.entry(c.cid).or_default() += 1;
+                    }
+                }
+            }
+        }
+    }
+    eprintln!("Pro maps scanned: {maps}, commands: {cmds}");
+    if unknown.is_empty() {
+        eprintln!("unknown map command ids: NONE");
+    } else {
+        eprintln!("unknown map command ids: {unknown:?}");
+    }
+}
diff --git a/util/wolfdawn-master/crates/wolf-decompiler/tests/merge_roundtrip.rs b/util/wolfdawn-master/crates/wolf-decompiler/tests/merge_roundtrip.rs
new file mode 100644
index 0000000..e3f3623
--- /dev/null
+++ b/util/wolfdawn-master/crates/wolf-decompiler/tests/merge_roundtrip.rs
@@ -0,0 +1,169 @@
+//! Incremental translation-merge (translation memory) round-trip tests. No corpus is needed.
+//! Every fixture is a tiny hand-built JSON, exercising the generic `source`/`text` walker across
+//! the different document shapes (names, scenes, db-like).
+//!
+//! Gates:
+//!   (a) build_memory keeps only real translations (drops `text == source`) and reports a source
+//!       that diverges across two files as a conflict, keeping the first value.
+//!   (b) apply_memory carries a memory hit into an untranslated leaf, leaves a no-match leaf
+//!       untranslated (still_new), and never overwrites a leaf the new file already translated
+//!       (kept_existing).
+//!   (c) Structure preservation: an empty memory leaves every `text` unchanged and re-parses to
+//!       the same logical content, and non-`source`/`text` fields are preserved exactly.
+
+use std::collections::HashMap;
+
+use serde_json::Value;
+use wolf_decompiler::{apply_memory, build_memory, dropped_sources, MergeStats};
+
+/// Collect `source -> text` from a parsed value, generically (any object with both string fields).
+fn pairs(v: &Value) -> HashMap<String, String> {
+    fn walk(v: &Value, out: &mut HashMap<String, String>) {
+        match v {
+            Value::Object(m) => {
+                if let (Some(Value::String(s)), Some(Value::String(t))) =
+                    (m.get("source"), m.get("text"))
+                {
+                    out.insert(s.clone(), t.clone());
+                }
+                for c in m.values() {
+                    walk(c, out);
+                }
+            }
+            Value::Array(a) => {
+                for c in a {
+                    walk(c, out);
+                }
+            }
+            _ => {}
+        }
+    }
+    let mut out = HashMap::new();
+    walk(v, &mut out);
+    out
+}
+
+// ---------------------------------------------------------------------------
+// (a) build_memory
+// ---------------------------------------------------------------------------
+
+#[test]
+fn build_memory_excludes_untranslated() {
+    // {names:[{source:"あ",text:"A"},{source:"い",text:"い"}]} yields {"あ":"A"} only.
+    let names = r#"{"kind":"names","names":[
+        {"source":"あ","text":"A","occurrences":2,"note":"Monster"},
+        {"source":"い","text":"い","occurrences":1,"note":"Item"}
+    ]}"#;
+    let (mem, conflicts) = build_memory(&[names]);
+    assert_eq!(mem.len(), 1);
+    assert_eq!(mem.get("あ").map(String::as_str), Some("A"));
+    assert!(!mem.contains_key("い"), "untranslated entry excluded");
+    assert!(conflicts.is_empty());
+}
+
+#[test]
+fn build_memory_divergent_source_is_conflict_first_kept() {
+    // Same source, two distinct translations across two files is a conflict. The first is kept.
+    let f1 = r#"{"scenes":[{"lines":[{"source":"あ","text":"A1"}]}]}"#;
+    let f2 = r#"{"scenes":[{"lines":[{"source":"あ","text":"A2"}]}]}"#;
+    let (mem, conflicts) = build_memory(&[f1, f2]);
+    assert_eq!(mem.get("あ").map(String::as_str), Some("A1"), "first input wins");
+    assert_eq!(conflicts.len(), 1);
+    let (src, variants) = &conflicts[0];
+    assert_eq!(src, "あ");
+    assert_eq!(variants.first().map(String::as_str), Some("A1"), "kept value leads");
+    assert!(variants.iter().any(|t| t == "A2"));
+    assert_eq!(variants.len(), 2);
+}
+
+// ---------------------------------------------------------------------------
+// (b) apply_memory
+// ---------------------------------------------------------------------------
+
+#[test]
+fn apply_memory_carries_and_keeps() {
+    // New scenes: あ matches memory (carried), う has no entry (still_new), and a pre-translated
+    // entry (text != source) is kept untouched (kept_existing).
+    let new = r#"{"scenes":[{"lines":[
+        {"cmd":0,"str":0,"speaker":"NPC","source":"あ","text":"あ"},
+        {"cmd":1,"str":0,"speaker":"NPC","source":"う","text":"う"},
+        {"cmd":2,"str":0,"speaker":"NPC","source":"え","text":"AlreadyDone"}
+    ]}]}"#;
+    let mut mem = HashMap::new();
+    mem.insert("あ".to_string(), "A".to_string());
+    // A memory entry for え exists too, but the new file already translated it, so it must not override.
+    mem.insert("え".to_string(), "ShouldNotWin".to_string());
+
+    let (out, stats) = apply_memory(new, &mem).unwrap();
+    assert_eq!(
+        stats,
+        MergeStats {
+            carried: 1,
+            still_new: 1,
+            kept_existing: 1
+        }
+    );
+    let v: Value = serde_json::from_str(&out).unwrap();
+    let p = pairs(&v);
+    assert_eq!(p.get("あ").map(String::as_str), Some("A"), "carried");
+    assert_eq!(p.get("う").map(String::as_str), Some("う"), "still untranslated");
+    assert_eq!(
+        p.get("え").map(String::as_str),
+        Some("AlreadyDone"),
+        "existing translation kept, not overwritten by memory"
+    );
+}
+
+// ---------------------------------------------------------------------------
+// (c) structure preservation
+// ---------------------------------------------------------------------------
+
+#[test]
+fn apply_empty_memory_is_structural_noop() {
+    // Applying an empty memory leaves every `text` unchanged and preserves all sibling fields
+    // (speaker, cmd, row, and so on). The re-serialized JSON parses to the same logical content.
+    let new = r#"{"kind":"map","scenes":[{"event":4,"lines":[
+        {"cmd":3,"str":1,"row":2,"speaker":"勇者","speaker_src":"勇者","source":"あ","text":"あ"},
+        {"cmd":4,"str":0,"row":5,"speaker":"魔王","speaker_src":"魔王","source":"い","text":"い"}
+    ]}]}"#;
+    let before: Value = serde_json::from_str(new).unwrap();
+    let (out, stats) = apply_memory(new, &HashMap::new()).unwrap();
+    assert_eq!(stats.carried, 0);
+    assert_eq!(stats.kept_existing, 0);
+    assert_eq!(stats.still_new, 2);
+    let after: Value = serde_json::from_str(&out).unwrap();
+    assert_eq!(before, after, "empty-memory apply must be a logical no-op");
+}
+
+#[test]
+fn non_source_text_fields_survive_a_carry() {
+    // When a carry happens, only `text` changes. Every other field on the leaf is preserved.
+    let new = r#"{"groups":[{"type":0,"lines":[
+        {"row":7,"field":2,"rowName":"Slime","fieldName":"Name","source":"あ","text":"あ"}
+    ]}]}"#;
+    let mut mem = HashMap::new();
+    mem.insert("あ".to_string(), "A".to_string());
+    let (out, _) = apply_memory(new, &mem).unwrap();
+    let v: Value = serde_json::from_str(&out).unwrap();
+    let leaf = &v["groups"][0]["lines"][0];
+    assert_eq!(leaf["text"], Value::String("A".into()), "text carried");
+    assert_eq!(leaf["row"], Value::from(7));
+    assert_eq!(leaf["field"], Value::from(2));
+    assert_eq!(leaf["rowName"], Value::String("Slime".into()));
+    assert_eq!(leaf["fieldName"], Value::String("Name".into()));
+    assert_eq!(leaf["source"], Value::String("あ".into()), "source unchanged");
+}
+
+// ---------------------------------------------------------------------------
+// dropped reporting
+// ---------------------------------------------------------------------------
+
+#[test]
+fn dropped_sources_lists_removed_in_update() {
+    let old = r#"{"lines":[{"source":"あ","text":"A"},{"source":"い","text":"I"}]}"#;
+    let (mem, _) = build_memory(&[old]);
+    // The new extraction dropped い (removed in the update).
+    let new = r#"{"lines":[{"source":"あ","text":"あ"}]}"#;
+    let dropped = dropped_sources(&mem, &[new]);
+    assert_eq!(dropped, vec!["い".to_string()]);
+}
diff --git a/util/wolfdawn-master/crates/wolf-decompiler/tests/names_roundtrip.rs b/util/wolfdawn-master/crates/wolf-decompiler/tests/names_roundtrip.rs
new file mode 100644
index 0000000..1a782db
--- /dev/null
+++ b/util/wolfdawn-master/crates/wolf-decompiler/tests/names_roundtrip.rs
@@ -0,0 +1,407 @@
+//! Project-level name glossary round-trip, against the real corpus at `<workspace>/Data`
+//! (resolved via `CARGO_MANIFEST_DIR/../../../Data`). Skips gracefully when the corpus is absent.
+//!
+//! Gates:
+//!   (a) Extract then no-op inject (every `text == source`) leaves every DB pair, CommonEvent,
+//!       and map byte-identical.
+//!   (b) Translating one name and injecting rewrites it in every place it appears: its stored
+//!       `DbData.name`, every name/display cell that held it, and every command by-name reference.
+//!       All other strings and every other file's bytes stay untouched, and every file still
+//!       re-parses.
+//!   (c) Extraction is deterministic (byte-identical across runs).
+
+use std::collections::{HashMap, HashSet};
+use std::path::{Path, PathBuf};
+
+use serde_json::Value;
+use wolf_decompiler::text::decode_wstr;
+use wolf_decompiler::{
+    extract_db_name_cells, extract_db_strings, extract_names, inject_names, InjectOptions,
+};
+use wolf_formats::common_event::CommonEventsFile;
+use wolf_formats::database::Database;
+use wolf_formats::map::Map;
+
+/// The BasicData dir of the corpus, or `None` when the corpus is not present.
+fn corpus_basic() -> Option<PathBuf> {
+    let base = PathBuf::from(env!("CARGO_MANIFEST_DIR")).join("../../../Data/BasicData");
+    base.join("DataBase.project").exists().then_some(base)
+}
+
+fn map_data_dir() -> PathBuf {
+    PathBuf::from(env!("CARGO_MANIFEST_DIR")).join("../../../Data/MapData")
+}
+
+/// A loaded database with the original on-disk bytes kept for byte-identity checks.
+struct LoadedDb {
+    proj: Vec<u8>,
+    dat: Vec<u8>,
+    db: Database,
+    stem: &'static str,
+}
+
+fn load_dbs(basic: &Path) -> Vec<LoadedDb> {
+    let mut out = Vec::new();
+    for stem in ["DataBase", "CDataBase", "SysDatabase"] {
+        let proj = basic.join(format!("{stem}.project"));
+        let dat = basic.join(format!("{stem}.dat"));
+        if let (Ok(p), Ok(d)) = (std::fs::read(&proj), std::fs::read(&dat)) {
+            if let Ok(db) = Database::read(&p, &d) {
+                out.push(LoadedDb {
+                    proj: p,
+                    dat: d,
+                    db,
+                    stem,
+                });
+            }
+        }
+    }
+    out
+}
+
+fn load_ce(basic: &Path) -> Option<(Vec<u8>, CommonEventsFile)> {
+    let b = std::fs::read(basic.join("CommonEvent.dat")).ok()?;
+    let ce = CommonEventsFile::read(&b).ok()?;
+    Some((b, ce))
+}
+
+fn load_maps() -> Vec<(Vec<u8>, Map)> {
+    let mut out = Vec::new();
+    let Ok(rd) = std::fs::read_dir(map_data_dir()) else {
+        return out;
+    };
+    let mut paths: Vec<PathBuf> = rd
+        .flatten()
+        .map(|e| e.path())
+        .filter(|p| p.extension().and_then(|s| s.to_str()) == Some("mps"))
+        .collect();
+    paths.sort();
+    for p in paths {
+        if let Ok(b) = std::fs::read(&p) {
+            if let Ok(m) = Map::read(&b) {
+                out.push((b, m));
+            }
+        }
+    }
+    out
+}
+
+fn glossary() -> HashMap<String, String> {
+    wolf_decompiler::symbols::load_embedded_engine_glossary()
+}
+
+/// Run extract over the loaded corpus.
+fn extract(dbs: &[LoadedDb], ce: Option<&CommonEventsFile>, maps: &[(Vec<u8>, Map)]) -> String {
+    let db_vec: Vec<Database> = dbs.iter().map(|l| l.db.clone()).collect();
+    let ce_refs: Vec<&CommonEventsFile> = ce.into_iter().collect();
+    let map_vec: Vec<Map> = maps.iter().map(|(_, m)| m.clone()).collect();
+    extract_names(&db_vec, &ce_refs, &map_vec, &glossary())
+}
+
+#[test]
+fn extract_then_noop_inject_is_byte_identical() {
+    let Some(basic) = corpus_basic() else {
+        eprintln!("no corpus, skipping");
+        return;
+    };
+    let dbs = load_dbs(&basic);
+    let ce = load_ce(&basic);
+    let maps = load_maps();
+    assert!(!dbs.is_empty(), "corpus DBs must load");
+
+    // Extract is the identity glossary (every text == source), so injecting it must be a no-op.
+    let names_json = extract(&dbs, ce.as_ref().map(|(_, c)| c), &maps);
+
+    let mut db_vec: Vec<Database> = dbs.iter().map(|l| l.db.clone()).collect();
+    let mut ce_clone = ce.as_ref().map(|(_, c)| c.clone());
+    let mut ce_refs: Vec<&mut CommonEventsFile> = ce_clone.as_mut().into_iter().collect();
+    let mut map_vec: Vec<Map> = maps.iter().map(|(_, m)| m.clone()).collect();
+
+    let st = inject_names(
+        &names_json,
+        &mut db_vec,
+        &mut ce_refs,
+        &mut map_vec,
+        &InjectOptions::default(),
+        &glossary(),
+    )
+    .expect("inject");
+    assert_eq!(
+        st.applied, 0,
+        "a no-op (identity) glossary must apply zero changes"
+    );
+
+    // Every file must re-serialize byte-identical to its original on-disk bytes.
+    for (l, db) in dbs.iter().zip(&db_vec) {
+        let (p, d) = db.write();
+        assert!(
+            p == l.proj && d == l.dat,
+            "{}: no-op inject changed the DB bytes",
+            l.stem
+        );
+    }
+    if let (Some((b, _)), Some(c)) = (&ce, &ce_clone) {
+        assert!(
+            &c.write() == b,
+            "no-op inject changed the CommonEvent bytes"
+        );
+    }
+    for ((b, _), m) in maps.iter().zip(&map_vec) {
+        assert!(&m.write() == b, "no-op inject changed a map's bytes");
+    }
+}
+
+/// Count how many times `source` appears as: a stored row name, a string cell value (any field),
+/// and a by-name command reference (cid250/252 str2, cid251 str1, cid112 any str).
+struct Occ {
+    row_names: usize,
+    cell_values: usize,
+    refs: usize,
+}
+
+fn count_occ(
+    source: &str,
+    dbs: &[Database],
+    ce: Option<&CommonEventsFile>,
+    maps: &[Map],
+) -> Occ {
+    let mut o = Occ {
+        row_names: 0,
+        cell_values: 0,
+        refs: 0,
+    };
+    for db in dbs {
+        let utf8 = db.utf8;
+        for t in &db.types {
+            for row in &t.data {
+                if decode_wstr(&row.name, utf8) == source {
+                    o.row_names += 1;
+                }
+                for w in &row.string_values {
+                    if decode_wstr(w, utf8) == source {
+                        o.cell_values += 1;
+                    }
+                }
+            }
+        }
+    }
+    let count_refs = |cmds: &[wolf_formats::command::RawCommand], utf8: bool, o: &mut Occ| {
+        for cmd in cmds {
+            let idx: Vec<usize> = match cmd.cid {
+                250 | 252 => vec![2],
+                251 => vec![1],
+                112 => (0..cmd.str_args.len()).collect(),
+                _ => vec![],
+            };
+            for si in idx {
+                if let Some(w) = cmd.str_args.get(si) {
+                    if decode_wstr(w, utf8) == source {
+                        o.refs += 1;
+                    }
+                }
+            }
+        }
+    };
+    if let Some(ce) = ce {
+        for ev in &ce.events {
+            count_refs(&ev.commands, ce.utf8, &mut o);
+        }
+    }
+    for m in maps {
+        for ev in &m.events {
+            for pg in &ev.pages {
+                count_refs(&pg.commands, m.utf8, &mut o);
+            }
+        }
+    }
+    o
+}
+
+#[test]
+fn translate_one_name_updates_all_mirrors_consistently() {
+    let Some(basic) = corpus_basic() else {
+        eprintln!("no corpus, skipping");
+        return;
+    };
+    let dbs = load_dbs(&basic);
+    let ce = load_ce(&basic);
+    let maps = load_maps();
+
+    let names_json = extract(&dbs, ce.as_ref().map(|(_, c)| c), &maps);
+    let root: Value = serde_json::from_str(&names_json).unwrap();
+    let names = root["names"].as_array().unwrap();
+
+    let db_snap: Vec<Database> = dbs.iter().map(|l| l.db.clone()).collect();
+    let ce_snap = ce.as_ref().map(|(_, c)| c.clone());
+    let map_snap: Vec<Map> = maps.iter().map(|(_, m)| m.clone()).collect();
+
+    // Pick a target name that lives in both a stored row name and a by-name command reference,
+    // the cross-mirror case the glossary exists to keep consistent. In the sample corpus these
+    // are the CDB variable rows looked up by `cid250` data-name.
+    let target = names
+        .iter()
+        .map(|e| e["source"].as_str().unwrap().to_string())
+        .find(|s| {
+            let o = count_occ(s, &db_snap, ce_snap.as_ref(), &map_snap);
+            o.row_names >= 1 && o.refs >= 1
+        })
+        .expect("a name occurring as both a row name and a by-name reference");
+    let before = count_occ(&target, &db_snap, ce_snap.as_ref(), &map_snap);
+
+    // A translation representable in both UTF-8 and Shift-JIS (ASCII) so the encoding guard never
+    // skips it, and not already present in the corpus.
+    let translated = "WOLFDAWN_NAME_X";
+    assert!(
+        count_occ(translated, &db_snap, ce_snap.as_ref(), &map_snap).row_names
+            + count_occ(translated, &db_snap, ce_snap.as_ref(), &map_snap).cell_values
+            == 0,
+        "sentinel must not pre-exist"
+    );
+
+    // Build a one-entry glossary translating only the target.
+    let one = serde_json::json!({
+        "kind": "names",
+        "names": [ { "source": target, "text": translated, "occurrences": 0, "note": "" } ]
+    })
+    .to_string();
+
+    // Inject onto fresh clones.
+    let mut db_vec: Vec<Database> = dbs.iter().map(|l| l.db.clone()).collect();
+    let mut ce_clone = ce.as_ref().map(|(_, c)| c.clone());
+    let mut ce_refs: Vec<&mut CommonEventsFile> = ce_clone.as_mut().into_iter().collect();
+    let mut map_vec: Vec<Map> = maps.iter().map(|(_, m)| m.clone()).collect();
+    let st = inject_names(
+        &one,
+        &mut db_vec,
+        &mut ce_refs,
+        &mut map_vec,
+        &InjectOptions::default(),
+        &glossary(),
+    )
+    .expect("inject");
+
+    // Every mirror that held the source now holds the translation. The source is gone.
+    let after_src = count_occ(&target, &db_vec, ce_clone.as_ref(), &map_vec);
+    let after_dst = count_occ(translated, &db_vec, ce_clone.as_ref(), &map_vec);
+
+    assert_eq!(
+        after_src.row_names, 0,
+        "the source row name must be rewritten"
+    );
+    assert_eq!(
+        after_src.refs, 0,
+        "every by-name reference to the source must be rewritten"
+    );
+    assert_eq!(
+        after_src.cell_values, 0,
+        "every cell holding the source must be rewritten"
+    );
+    assert_eq!(
+        after_dst.row_names, before.row_names,
+        "row-name mirror count preserved under translation"
+    );
+    assert_eq!(
+        after_dst.refs, before.refs,
+        "by-name reference count preserved under translation"
+    );
+    assert_eq!(
+        after_dst.cell_values, before.cell_values,
+        "cell-value mirror count preserved under translation"
+    );
+    // The applied count is at least the number of mirrors that changed (DB cells, row names, and
+    // refs). The reference mirror is the headline cross-file guarantee.
+    assert!(before.refs >= 1 && before.row_names >= 1);
+    assert!(
+        st.applied >= before.row_names + before.refs,
+        "applied ({}) must cover every rewritten mirror (row names {} + refs {})",
+        st.applied,
+        before.row_names,
+        before.refs
+    );
+
+    // Every file still re-parses (never ship a structurally-corrupt file).
+    for db in &db_vec {
+        let (p, d) = db.write();
+        Database::read(&p, &d).expect("injected DB re-parses");
+    }
+    if let Some(c) = &ce_clone {
+        CommonEventsFile::read(&c.write()).expect("injected CommonEvent re-parses");
+    }
+    for m in &map_vec {
+        Map::read(&m.write()).expect("injected map re-parses");
+    }
+
+    // Untouched files: a file with no occurrence of the target must be byte-identical to the base.
+    for (l, db) in dbs.iter().zip(&db_vec) {
+        let touched = count_occ(&target, std::slice::from_ref(&l.db), None, &[]).row_names
+            + count_occ(&target, std::slice::from_ref(&l.db), None, &[]).cell_values
+            > 0;
+        if !touched {
+            let (p, d) = db.write();
+            assert!(
+                p == l.proj && d == l.dat,
+                "{}: a DB with no target occurrence must be byte-identical",
+                l.stem
+            );
+        }
+    }
+}
+
+#[test]
+fn extraction_is_deterministic() {
+    let Some(basic) = corpus_basic() else {
+        eprintln!("no corpus, skipping");
+        return;
+    };
+    let dbs = load_dbs(&basic);
+    let ce = load_ce(&basic);
+    let maps = load_maps();
+
+    let a = extract(&dbs, ce.as_ref().map(|(_, c)| c), &maps);
+    let b = extract(&dbs, ce.as_ref().map(|(_, c)| c), &maps);
+    assert_eq!(a, b, "extraction must be byte-identical across runs");
+    assert!(
+        a.contains("\"kind\": \"names\""),
+        "names glossary has the expected shape"
+    );
+    assert!(a.matches("\"source\"").count() > 0, "corpus yields names");
+}
+
+/// The disjoint-ownership invariant: every DB string cell is extracted by at most one path,
+/// either db-strings (per-file content) or the glossary (per-cell name). On the real corpus, no
+/// `(type, row, field)` locator may appear in both `extract_db_strings` and the glossary's
+/// `extract_db_name_cells`.
+#[test]
+fn db_string_cells_have_disjoint_ownership() {
+    let Some(basic) = corpus_basic() else {
+        eprintln!("no corpus, skipping");
+        return;
+    };
+    let dbs = load_dbs(&basic);
+    assert!(!dbs.is_empty(), "corpus DBs must load");
+    let g = glossary();
+    let mut checked_cells = 0usize;
+    for l in &dbs {
+        // db-strings (content) cell locators.
+        let content: HashSet<(usize, usize, usize)> = extract_db_strings(&l.db, &g)
+            .iter()
+            .flat_map(|grp| grp.lines.iter().map(|ln| (ln.type_id, ln.row, ln.field)))
+            .collect();
+        // glossary (name) cell locators.
+        let names: HashSet<(usize, usize, usize)> =
+            extract_db_name_cells(&l.db, &g).into_iter().collect();
+        checked_cells += content.len() + names.len();
+        let overlap: Vec<_> = content.intersection(&names).collect();
+        assert!(
+            overlap.is_empty(),
+            "{}: {} DB cell(s) extracted by BOTH db-strings and the glossary: {:?}",
+            l.stem,
+            overlap.len(),
+            overlap.into_iter().take(8).collect::<Vec<_>>()
+        );
+    }
+    assert!(
+        checked_cells > 0,
+        "corpus must yield some DB cells to make the disjointness check meaningful"
+    );
+}
diff --git a/util/wolfdawn-master/crates/wolf-decompiler/tests/no_generic_argn.rs b/util/wolfdawn-master/crates/wolf-decompiler/tests/no_generic_argn.rs
new file mode 100644
index 0000000..e47c1ad
--- /dev/null
+++ b/util/wolfdawn-master/crates/wolf-decompiler/tests/no_generic_argn.rs
@@ -0,0 +1,56 @@
+use wolf_decompiler::{decompile_common_events, decompile_map, SymbolTable};
+use wolf_formats::common_event::CommonEventsFile;
+use wolf_formats::map::Map;
+#[test]
+fn no_generic_argn() {
+    let root = std::path::PathBuf::from(env!("CARGO_MANIFEST_DIR")).join("../../..");
+    let mut stack = vec![root];
+    let mut hits = 0;
+    let mut files = 0;
+    let re = |t: &str| -> usize {
+        t.match_indices("arg")
+            .filter(|(i, _)| {
+                let b = t.as_bytes();
+                let j = i + 3;
+                j < b.len()
+                    && b[j].is_ascii_digit()
+                    && t[..*i]
+                        .chars()
+                        .last()
+                        .map_or(true, |c| !c.is_alphanumeric())
+                    && t[*i..]
+                        .split_once('=')
+                        .map_or(false, |(k, _)| k[3..].chars().all(|c| c.is_ascii_digit()))
+            })
+            .count()
+    };
+    while let Some(d) = stack.pop() {
+        let Ok(rd) = std::fs::read_dir(&d) else {
+            continue;
+        };
+        for e in rd.flatten() {
+            let p = e.path();
+            if p.is_dir() {
+                stack.push(p);
+            } else if p.file_name().and_then(|s| s.to_str()) == Some("CommonEvent.dat") {
+                if let Ok(ce) = CommonEventsFile::read(&std::fs::read(&p).unwrap_or_default()) {
+                    files += 1;
+                    let t = decompile_common_events(&ce, &SymbolTable::new());
+                    let h = re(&t);
+                    if h > 0 {
+                        hits += h;
+                        eprintln!("{} argN in {:?}", h, p.file_name().unwrap());
+                    }
+                }
+            } else if p.extension().and_then(|s| s.to_str()) == Some("mps") {
+                if let Ok(m) = Map::read(&std::fs::read(&p).unwrap_or_default()) {
+                    files += 1;
+                    let t = decompile_map(&m, &SymbolTable::new());
+                    hits += re(&t);
+                }
+            }
+        }
+    }
+    eprintln!("scanned {files} files, total generic argN occurrences: {hits}");
+    assert_eq!(hits, 0, "generic argN still present");
+}
diff --git a/util/wolfdawn-master/crates/wolf-decompiler/tests/raw_census.rs b/util/wolfdawn-master/crates/wolf-decompiler/tests/raw_census.rs
new file mode 100644
index 0000000..6356115
--- /dev/null
+++ b/util/wolfdawn-master/crates/wolf-decompiler/tests/raw_census.rs
@@ -0,0 +1,87 @@
+//! Census of which commands still fall back to `@raw` (the lossy-pretty set to drive to zero),
+//! across both games' common events and maps.
+//!   cargo test -p wolf-decompiler --test raw_census -- --nocapture
+
+use std::collections::BTreeMap;
+use std::path::PathBuf;
+
+use wolf_decompiler::{decompile_commands, spec};
+use wolf_formats::common_event::CommonEventsFile;
+use wolf_formats::map::Map;
+
+fn root() -> PathBuf {
+    PathBuf::from(env!("CARGO_MANIFEST_DIR"))
+        .join("..")
+        .join("..")
+        .join("..")
+}
+
+fn count(cmds: &[wolf_formats::command::RawCommand], hist: &mut BTreeMap<u32, usize>) {
+    let text = decompile_commands(cmds);
+    // Re-walk: a line is @raw for the command at that position. Simplest: re-render each
+    // command alone is wrong (loses block ctx), so scan the produced lines and attribute
+    // each @raw line to its cid (the cid is the first token after `@raw `).
+    for line in text.lines() {
+        let t = line.trim_start();
+        if let Some(rest) = t.strip_prefix("@raw ") {
+            if let Some(cid) = rest
+                .split_whitespace()
+                .next()
+                .and_then(|s| s.parse::<u32>().ok())
+            {
+                *hist.entry(cid).or_default() += 1;
+            }
+        }
+    }
+}
+
+#[test]
+fn census() {
+    let mut hist: BTreeMap<u32, usize> = BTreeMap::new();
+    let mut total_cmds = 0usize;
+
+    for game in ["Data", "GamePro_Data"] {
+        let ce_path = root().join(game).join("BasicData").join("CommonEvent.dat");
+        if let Ok(b) = std::fs::read(&ce_path) {
+            let ce = CommonEventsFile::read(&b).unwrap();
+            for ev in &ce.events {
+                total_cmds += ev.commands.len();
+                count(&ev.commands, &mut hist);
+            }
+        }
+        let map_dir = root().join(game).join("MapData");
+        if let Ok(entries) = std::fs::read_dir(&map_dir) {
+            for e in entries {
+                let p = e.unwrap().path();
+                if p.extension().and_then(|s| s.to_str()) != Some("mps") {
+                    continue;
+                }
+                let Ok(m) = Map::read(&std::fs::read(&p).unwrap()) else {
+                    continue;
+                };
+                for ev in &m.events {
+                    for pg in &ev.pages {
+                        total_cmds += pg.commands.len();
+                        count(&pg.commands, &mut hist);
+                    }
+                }
+            }
+        }
+    }
+
+    let total_raw: usize = hist.values().sum();
+    eprintln!("total commands scanned: {total_cmds}");
+    eprintln!("total @raw lines: {total_raw}");
+    eprintln!("--- @raw by cid (cid name: count) ---");
+    let mut by_count: Vec<_> = hist.into_iter().collect();
+    by_count.sort_by_key(|(_, n)| std::cmp::Reverse(*n));
+    for (cid, n) in by_count {
+        eprintln!("  {cid:5} {:24} {n}", spec::command_name(cid));
+    }
+
+    // Every command must have a lossless pretty form. No `@raw` fallbacks in the corpus.
+    assert_eq!(
+        total_raw, 0,
+        "every command must render without an @raw fallback"
+    );
+}
diff --git a/util/wolfdawn-master/crates/wolf-decompiler/tests/recompile.rs b/util/wolfdawn-master/crates/wolf-decompiler/tests/recompile.rs
new file mode 100644
index 0000000..4782625
--- /dev/null
+++ b/util/wolfdawn-master/crates/wolf-decompiler/tests/recompile.rs
@@ -0,0 +1,195 @@
+//! Recompiler core gate: `compile(decompile(cmds)) == cmds`.
+//!
+//! The synthetic test proves the structural reconstruction (marker commands, suppressed `Blank`
+//! slots, indent bytes, condition and operator decoding) round-trips exactly. The corpus test
+//! measures how many real common events fully round-trip.
+
+use wolf_decompiler::{compile_commands, decompile_commands};
+use wolf_formats::command::RawCommand;
+use wolf_formats::common_event::CommonEventsFile;
+use wolf_formats::WStr;
+
+fn leaf(cid: u32, ints: Vec<u32>, indent: u8, strs: &[&str]) -> RawCommand {
+    RawCommand {
+        cid,
+        int_args: ints,
+        indent,
+        str_args: strs
+            .iter()
+            .map(|s| WStr(format!("{s}\0").into_bytes()))
+            .collect(),
+        term: 0,
+        move_route: None,
+        v35_blob: None,
+    }
+}
+
+fn bare(cid: u32, ints: Vec<u32>, indent: u8) -> RawCommand {
+    leaf(cid, ints, indent, &[])
+}
+
+#[test]
+fn structural_round_trip_exact() {
+    // Mirrors Wolf's on-disk shape: an if (VariableCondition) with one branch plus else,
+    // each block body ending in a trailing Blank, plus a nested loop.
+    let cmds = vec![
+        leaf(101, vec![], 0, &["hello"]),          // Message
+        bare(111, vec![0x01, 1_600_000, 1, 2], 0), // if CSelf[0] == 1  (1 group, OR)
+        bare(401, vec![1], 0),                     // ChoiceCase (then)
+        bare(121, vec![1_100_000, 1, 0, 0], 1),    // SetVariable Self[0] = 1
+        bare(170, vec![], 1),                      // loop {
+        leaf(101, vec![], 2, &["in loop"]),        // Message
+        bare(0, vec![], 2),                        // Blank (loop body trailing)
+        bare(498, vec![], 1),                      // LoopEnd
+        bare(0, vec![], 1),                        // Blank (then-body trailing)
+        bare(420, vec![0], 0),                     // ElseCase (arg0 = 0)
+        leaf(106, vec![], 1, &["dbg"]),            // DebugMessage
+        bare(0, vec![], 1),                        // Blank (else-body trailing)
+        bare(499, vec![], 0),                      // BranchEnd
+        bare(0, vec![], 0),                        // Blank (top-level trailing)
+    ];
+
+    let text = decompile_commands(&cmds);
+    let back = compile_commands(&text).expect("compile failed");
+
+    if back != cmds {
+        eprintln!("--- decompiled ---\n{text}");
+        for (i, (a, b)) in cmds.iter().zip(back.iter()).enumerate() {
+            if a != b {
+                eprintln!("differ at {i}:\n  orig: {a:?}\n  back: {b:?}");
+            }
+        }
+        assert_eq!(back.len(), cmds.len(), "length differs");
+        panic!("structural round-trip mismatch");
+    }
+}
+
+#[test]
+fn editing_produces_edited_bytes() {
+    // Author a small program, decompile it, edit the readable text the way a modder would, then
+    // recompile. The round-trip gate only proves identity. This proves the parser builds the byte
+    // stream from the text, so changed values and inserted commands take effect, not from any
+    // memory of the original.
+    let cmds = vec![
+        leaf(101, vec![], 0, &["start"]),       // Message "start"
+        bare(121, vec![1_100_000, 1, 0, 0], 0), // SetVariable Self[0] = 1
+        bare(170, vec![], 0),                   // loop {
+        leaf(101, vec![], 1, &["inside"]),      //     Message "inside"
+        bare(0, vec![], 1),                     //     (trailing Blank)
+        bare(498, vec![], 0),                   // }  LoopEnd
+        bare(0, vec![], 0),                     // (top-level trailing Blank)
+    ];
+
+    let text = decompile_commands(&cmds);
+
+    // A modder edits the readable text: change a value, add a top-level command, and add a
+    // command inside a control-flow block. Source indentation is irrelevant since the parser
+    // reconstructs indent from nesting, so the inserted lines need no exact spacing.
+    let edited = text
+        .replace("SetVariable Self[0] = 1", "SetVariable Self[0] = 42")
+        .replace("loop {", "Message \"added\"\nloop {")
+        .replace(
+            "Message \"inside\"",
+            "Message \"inside\"\nDebugMessage \"dbg\"",
+        );
+
+    let back = compile_commands(&edited).expect("edited script compiles");
+
+    // 1) changed value landed
+    assert!(
+        back.iter()
+            .any(|c| c.cid == 121 && c.int_args == vec![1_100_000, 42, 0, 0]),
+        "value edit not reflected"
+    );
+    // 2) brand-new top-level command exists at indent 0
+    assert!(
+        back.iter().any(|c| c.cid == 101
+            && c.indent == 0
+            && c.str_args
+                .first()
+                .map_or(false, |s| s.as_bytes() == b"added\0")),
+        "inserted top-level command missing"
+    );
+    // 3) new command inserted inside the loop body got indent 1 (reconstructed from nesting)
+    assert!(
+        back.iter().any(|c| c.cid == 106 && c.indent == 1),
+        "inserted in-block command missing or mis-indented"
+    );
+
+    // And the edited program is itself a stable, fully round-tripping file. Decompiling and
+    // recompiling it is a no-op. If editing produced something un-recompilable, this fails.
+    let again = compile_commands(&decompile_commands(&back)).expect("re-compile edited program");
+    assert_eq!(again, back, "edited program is not a round-trip fixpoint");
+}
+
+#[test]
+fn command_added_at_block_end_takes_the_blank_slot() {
+    // A "Blank" is the single trailing empty command Wolf keeps at the end of every block body,
+    // hidden in the readable view. The Blank's spot is the end of a block. Adding a command there
+    // places it before the auto-regenerated trailing Blank. The modder never sees or manages the
+    // Blank. The compiler always emits exactly one per block.
+    let src = "loop {\n    Message \"a\"\n    Message \"b\"\n}\n";
+    let back = compile_commands(src).expect("compile");
+
+    let shape: Vec<(u32, u8)> = back.iter().map(|c| (c.cid, c.indent)).collect();
+    assert_eq!(
+        shape,
+        vec![
+            (170, 0), // loop {
+            (101, 1), //     Message "a"
+            (101, 1), //     Message "b"   <- added at the end of the block (the Blank's spot)
+            (0, 1),   //     Blank         <- exactly one, regenerated AFTER the new command
+            (498, 0), // }   LoopEnd
+            (0, 0),   // top-level trailing Blank
+        ],
+        "command added at block end should sit before a single regenerated trailing Blank"
+    );
+}
+
+#[test]
+fn corpus_coverage_report() {
+    let path = std::path::PathBuf::from(env!("CARGO_MANIFEST_DIR"))
+        .join("../../../Data/BasicData/CommonEvent.dat");
+    let Ok(bytes) = std::fs::read(&path) else {
+        eprintln!("corpus not found, skipping");
+        return;
+    };
+    let ce = CommonEventsFile::read(&bytes).unwrap();
+
+    let mut ok = 0usize;
+    let total = ce.events.len();
+    let mut fail_reason: std::collections::HashMap<String, usize> = Default::default();
+
+    for ev in &ce.events {
+        let text = decompile_commands(&ev.commands);
+        match compile_commands(&text) {
+            Ok(back) if back == ev.commands => ok += 1,
+            Ok(back) => {
+                let key = back
+                    .iter()
+                    .zip(&ev.commands)
+                    .position(|(a, b)| a != b)
+                    .map(|i| format!("mismatch@cid{}", ev.commands[i].cid))
+                    .unwrap_or_else(|| format!("len {}!={}", back.len(), ev.commands.len()));
+                *fail_reason.entry(key).or_default() += 1;
+            }
+            Err(e) => {
+                let key = format!(
+                    "err: {}",
+                    e.to_string().chars().take(38).collect::<String>()
+                );
+                *fail_reason.entry(key).or_default() += 1;
+            }
+        }
+    }
+
+    eprintln!("common-event command round-trip: {ok}/{total} byte-exact");
+    if ok != total {
+        let mut reasons: Vec<_> = fail_reason.into_iter().collect();
+        reasons.sort_by_key(|(_, n)| std::cmp::Reverse(*n));
+        for (k, n) in reasons.iter().take(12) {
+            eprintln!("  {n:5}  {k}");
+        }
+    }
+    assert_eq!(ok, total, "not all common events recompile byte-exact");
+}
diff --git a/util/wolfdawn-master/crates/wolf-decompiler/tests/save_pro_roundtrip.rs b/util/wolfdawn-master/crates/wolf-decompiler/tests/save_pro_roundtrip.rs
new file mode 100644
index 0000000..3733e1a
--- /dev/null
+++ b/util/wolfdawn-master/crates/wolf-decompiler/tests/save_pro_roundtrip.rs
@@ -0,0 +1,133 @@
+//! GamePro Pro (marker-3) save codec tests. The fixture-backed cases gate on the real GamePro-Pro
+//! save and the ground-truth decrypted inner. They skip gracefully when those files are absent. The
+//! LZ4 and pure-synthetic round-trips always run.
+
+use std::collections::HashMap;
+
+use wolf_core::codec::lz4;
+use wolf_decompiler::save::{read_title_at, update_save};
+use wolf_decompiler::save_pro::{self, decrypt_pro, encrypt_pro, is_pro_save, key16};
+
+mod common;
+use common::test_data;
+
+const PACHIMON_SAVE: &str = "pachimon/SaveData01.sav";
+const GROUND_TRUTH: &str = "pachimon/decrypted.bin";
+const CHAMBER_SAVE: &str = "chamber/SaveData01.sav";
+
+fn load(rel: &str) -> Option<Vec<u8>> {
+    let p = test_data(rel)?;
+    Some(std::fs::read(&p).expect("read fixture"))
+}
+
+/// Read the 16-bit key the encoder stamps into a produced save: `header[7] | header[4]<<8`.
+fn stored_key16(save: &[u8]) -> u16 {
+    save[7] as u16 | ((save[4] as u16) << 8)
+}
+
+/// (1) The hard gate: `decrypt_pro(real save)` is byte-exact with the ground-truth `decrypted.bin`.
+#[test]
+fn decrypt_matches_ground_truth() {
+    let (Some(raw), Some(truth)) = (load(PACHIMON_SAVE), load(GROUND_TRUTH)) else {
+        eprintln!("skip: pachimon save and/or ground-truth fixture not present");
+        return;
+    };
+    let inner = decrypt_pro(&raw).expect("decrypt the real Pro save");
+    assert_eq!(inner.len(), truth.len(), "inner length matches ground truth");
+    assert_eq!(inner, truth, "decrypt_pro(real save) == decrypted.bin (byte-exact)");
+    assert_eq!(inner[0], 0x19, "inner starts with the 0x19 title marker");
+}
+
+/// (2) Detection: the real Pro save is detected as Pro, and a standard (chamber) save is not.
+#[test]
+fn detection_pro_vs_standard() {
+    if let Some(raw) = load(PACHIMON_SAVE) {
+        assert!(is_pro_save(&raw), "real Pro save must be detected as Pro");
+    } else {
+        eprintln!("skip: pachimon save fixture not present");
+    }
+    if let Some(chamber) = load(CHAMBER_SAVE) {
+        assert!(!is_pro_save(&chamber), "standard chamber save must not be Pro");
+    } else {
+        eprintln!("skip: chamber save fixture not present");
+    }
+}
+
+/// (3) Round-trip on the real inner: `decrypt_pro(encrypt_pro(inner, header)) == inner`.
+/// (4) key16 of the produced save validates against `header[7] | header[4]<<8`.
+#[test]
+fn roundtrip_real_inner_and_key16() {
+    let Some(raw) = load(PACHIMON_SAVE) else {
+        eprintln!("skip: pachimon save fixture not present");
+        return;
+    };
+    let inner = decrypt_pro(&raw).expect("decrypt");
+    let enc = encrypt_pro(&inner, &raw[..20]).expect("encrypt");
+    let back = decrypt_pro(&enc).expect("re-decrypt");
+    assert_eq!(back, inner, "encrypt->decrypt is identity on the real inner");
+
+    // key16 the encoder stored must equal the fold of the inner with a4 = header[9].
+    assert_eq!(stored_key16(&enc), key16(&inner, raw[9]), "produced key16 validates");
+}
+
+/// (5) Modified-inner round-trip: flip a byte in the inner, encrypt, then decrypt, which equals
+/// the modified inner, and the stored key16 re-validates for the modified payload.
+#[test]
+fn modified_inner_roundtrip() {
+    let Some(raw) = load(PACHIMON_SAVE) else {
+        eprintln!("skip: pachimon save fixture not present");
+        return;
+    };
+    let mut inner = decrypt_pro(&raw).expect("decrypt");
+    // Flip a byte well past the header so the title marker stays intact.
+    let i = inner.len() / 2;
+    inner[i] ^= 0xFF;
+
+    let enc = encrypt_pro(&inner, &raw[..20]).expect("encrypt modified");
+    let back = decrypt_pro(&enc).expect("re-decrypt modified");
+    assert_eq!(back, inner, "modified inner round-trips");
+    assert_eq!(stored_key16(&enc), key16(&inner, raw[9]), "key16 valid for modified inner");
+}
+
+/// (6) LZ4: compress then decompress is identity on several buffers, including the ~1MB real inner.
+#[test]
+fn lz4_compress_decompress_identity() {
+    let mut cases: Vec<Vec<u8>> = vec![
+        Vec::new(),
+        b"a".to_vec(),
+        b"hello world hello world".to_vec(),
+        vec![0u8; 5000],
+        (0..4096u32).map(|i| (i % 251) as u8).collect(),
+    ];
+    if let Some(truth) = load(GROUND_TRUTH) {
+        cases.push(truth); // the ~1MB real inner
+    } else {
+        eprintln!("note: ground-truth inner absent; testing smaller buffers only");
+    }
+    for data in &cases {
+        let block = lz4::compress_block(data);
+        let back = lz4::decompress_block(&block, data.len()).expect("lz4 decompress");
+        assert_eq!(&back, data, "lz4 round-trip failed for {}-byte buffer", data.len());
+    }
+}
+
+/// (7) End-to-end via `update_save` on the real Pro save: setting `--title "X"` updates it rather
+/// than skipping, and re-decrypting yields an inner whose title reads "X" with the 0x19 marker
+/// intact.
+#[test]
+fn update_save_pro_end_to_end() {
+    let Some(raw) = load(PACHIMON_SAVE) else {
+        eprintln!("skip: pachimon save fixture not present");
+        return;
+    };
+    let (out, stats) = update_save(&raw, Some("X"), &HashMap::new())
+        .expect("Pro save is now supported by update_save");
+    assert!(stats.title_changed, "title was changed");
+    assert_eq!(stats.encoding, "utf8");
+
+    let inner = decrypt_pro(&out).expect("re-decrypt the updated Pro save");
+    assert_eq!(inner[0], save_pro::INNER_MARKER, "0x19 marker intact in the updated inner");
+    assert_eq!(read_title_at(&inner, 0, true).as_deref(), Some("X"), "title reads back as X");
+    // The stored key16 still validates after the edit.
+    assert_eq!(stored_key16(&out), key16(&inner, raw[9]));
+}
diff --git a/util/wolfdawn-master/crates/wolf-decompiler/tests/save_roundtrip.rs b/util/wolfdawn-master/crates/wolf-decompiler/tests/save_roundtrip.rs
new file mode 100644
index 0000000..3109b9d
--- /dev/null
+++ b/util/wolfdawn-master/crates/wolf-decompiler/tests/save_roundtrip.rs
@@ -0,0 +1,121 @@
+//! `.sav` auto-update tests. These exercise the real outer codec and the `update_save` pipeline
+//! against actual game saves where present (skipping gracefully when the fixtures are absent), plus
+//! a synthetic codec round-trip that always runs.
+
+use std::collections::HashMap;
+
+use wolf_core::codec::wolfsave;
+use wolf_decompiler::save::{read_title, update_save};
+
+mod common;
+use common::test_data;
+
+const CHAMBER_SAVE: &str = "chamber/SaveData01.sav";
+const PACHIMON_SAVE: &str = "pachimon/SaveData01.sav";
+
+const START_OFFSET: usize = 0x14;
+const VALID_MARKER: u8 = 0x19;
+
+fn load(rel: &str) -> Option<Vec<u8>> {
+    let p = test_data(rel)?;
+    Some(std::fs::read(&p).expect("read save fixture"))
+}
+
+/// (a) The codec round-trips a real save byte-for-byte. If the stored checksum already matches the
+/// body (the normal case), `encrypt(decrypt(raw)) == raw` exactly. If it does not, we still require
+/// the structural invariant (`[0x14] == 0x19`) and that a second decrypt of the re-encrypted bytes
+/// reproduces the same plaintext (the checksum byte is the only possible difference).
+#[test]
+fn codec_roundtrips_real_chamber_save() {
+    let Some(raw) = load(CHAMBER_SAVE) else {
+        eprintln!("skip: chamber save fixture not present");
+        return;
+    };
+    let plain = wolfsave::decrypt(&raw);
+    assert!(plain.len() > START_OFFSET);
+    assert_eq!(plain[START_OFFSET], VALID_MARKER, "chamber save must be a valid 0x19 save");
+
+    let calc = plain[START_OFFSET..]
+        .iter()
+        .fold(0u8, |a, &b| a.wrapping_add(b));
+    let reenc = wolfsave::encrypt(&plain);
+    if calc == plain[2] {
+        assert_eq!(reenc, raw, "stored checksum matches body -> encrypt(decrypt(raw)) is byte-exact");
+    } else {
+        // Checksum byte was stale on disk. Re-encrypt normalises it. Plaintext must still match.
+        assert_eq!(wolfsave::decrypt(&reenc), plain, "re-decrypt reproduces the same plaintext");
+    }
+}
+
+/// (b) `update_save` with an empty map and no new title re-encrypts to a buffer that decrypts back
+/// to the original plaintext.
+#[test]
+fn update_save_noop_preserves_plaintext() {
+    let Some(raw) = load(CHAMBER_SAVE) else {
+        eprintln!("skip: chamber save fixture not present");
+        return;
+    };
+    let plain = wolfsave::decrypt(&raw);
+    let (out, stats) = update_save(&raw, None, &HashMap::new()).expect("supported save");
+    assert!(!stats.title_changed);
+    assert_eq!(stats.strings_replaced, 0);
+    assert_eq!(wolfsave::decrypt(&out), plain, "no-op update preserves the plaintext");
+}
+
+/// (c) Setting a new title, then re-decrypting, reads the new value back at 0x15, and the 0x14
+/// marker is still intact.
+#[test]
+fn update_save_sets_new_title() {
+    let Some(raw) = load(CHAMBER_SAVE) else {
+        eprintln!("skip: chamber save fixture not present");
+        return;
+    };
+    let new = "Translated Title (Test)";
+    let (out, stats) = update_save(&raw, Some(new), &HashMap::new()).expect("supported save");
+    assert!(stats.title_changed);
+    let plain = wolfsave::decrypt(&out);
+    assert_eq!(plain[START_OFFSET], VALID_MARKER, "marker survives the title length shift");
+    assert_eq!(read_title(&plain).as_deref(), Some(new));
+}
+
+/// (d) Synthetic codec unit test (always runs, no fixtures). Build a buffer with a correct
+/// checksum, encrypt then decrypt, and confirm identity plus that the body actually changed.
+#[test]
+fn codec_roundtrips_synthetic() {
+    let mut plain: Vec<u8> = (0u8..=255).cycle().take(START_OFFSET + 301).collect();
+    plain[0] = 0x11;
+    plain[3] = 0x22;
+    plain[9] = 0x33;
+    wolfsave::fix_checksum(&mut plain);
+    let enc = wolfsave::encrypt(&plain);
+    assert_eq!(wolfsave::decrypt(&enc), plain);
+    assert_ne!(&enc[START_OFFSET..], &plain[START_OFFSET..], "body is actually enciphered");
+    assert_eq!(&enc[..START_OFFSET], &plain[..START_OFFSET], "head carried verbatim");
+}
+
+/// The GamePro Pro (marker-3) save does not present as a standard save after the outer decrypt
+/// (`[0x14] != 0x19`), but is handled by the Pro path. `update_save` accepts it and a re-decrypt
+/// of the result reads the new title back. The Pro codec itself is exercised in
+/// `save_pro_roundtrip.rs`.
+#[test]
+fn pachimon_save_handled_by_pro_path() {
+    let Some(raw) = load(PACHIMON_SAVE) else {
+        eprintln!("skip: pachimon save fixture not present");
+        return;
+    };
+    // It is not a standard save: the standard decrypt does not yield the 0x19 marker at 0x14.
+    let plain = wolfsave::decrypt(&raw);
+    assert_ne!(plain[START_OFFSET], VALID_MARKER, "Pro save is not a standard 0x19 save");
+
+    // But update_save now succeeds via the Pro path and writes the requested title.
+    let (out, stats) = update_save(&raw, Some("X"), &HashMap::new())
+        .expect("pro save must now be supported");
+    assert!(stats.title_changed);
+    assert_eq!(stats.encoding, "utf8");
+    let inner = wolf_decompiler::save_pro::decrypt_pro(&out).expect("re-decrypt produced inner");
+    assert_eq!(inner[0], VALID_MARKER, "inner 0x19 marker intact");
+    assert_eq!(
+        wolf_decompiler::save::read_title_at(&inner, 0, true).as_deref(),
+        Some("X")
+    );
+}
diff --git a/util/wolfdawn-master/crates/wolf-decompiler/tests/strings_roundtrip.rs b/util/wolfdawn-master/crates/wolf-decompiler/tests/strings_roundtrip.rs
new file mode 100644
index 0000000..276122e
--- /dev/null
+++ b/util/wolfdawn-master/crates/wolf-decompiler/tests/strings_roundtrip.rs
@@ -0,0 +1,215 @@
+//! Player-text extract/inject round-trip. A no-op inject is byte-identical to the base, and
+//! editing one line's translation changes only that string while others stay byte-exact. Covers
+//! both the command/dialogue stream (maps) and database content (item, skill, term text).
+use wolf_decompiler::{
+    db_strings_to_json, extract_db_strings, extract_map, inject_db_strings, inject_map,
+    scenes_to_json, InjectOptions,
+};
+use wolf_formats::database::Database;
+use wolf_formats::map::Map;
+
+#[test]
+fn db_strings_noop_byte_identical_then_translate() {
+    let base = std::path::PathBuf::from(env!("CARGO_MANIFEST_DIR")).join("../../../Data/BasicData");
+    let (Ok(p), Ok(d)) = (
+        std::fs::read(base.join("DataBase.project")),
+        std::fs::read(base.join("DataBase.dat")),
+    ) else {
+        eprintln!("no corpus DataBase, skipping");
+        return;
+    };
+    let db = Database::read(&p, &d).expect("parse db");
+    let glossary = wolf_decompiler::symbols::load_embedded_engine_glossary();
+    let groups = extract_db_strings(&db, &glossary);
+    assert!(!groups.is_empty(), "expected some player-facing DB strings");
+    let json = db_strings_to_json("DataBase.project", &groups);
+
+    // No-op inject must be byte-identical.
+    let mut db2 = Database::read(&p, &d).unwrap();
+    let st = inject_db_strings(&json, &mut db2, &InjectOptions::default()).expect("inject");
+    assert_eq!(st.applied, 0);
+    assert_eq!(st.drifted, 0);
+    assert!(
+        db2.write() == (p.clone(), d.clone()),
+        "no-op DB-strings inject must be byte-identical"
+    );
+
+    // Translate one cell and confirm it persists. The sentinel reads as real text (a space, no
+    // bare-identifier shape) so the re-extraction's player-text filter keeps it.
+    let g = &groups[0];
+    let ln = &g.lines[0];
+    let edit = format!(
+        r#"{{ "groups": [ {{ "type": {}, "lines": [ {{ "row": {}, "field": {}, "source": {}, "text": "WOLFDAWN DB TR" }} ] }} ] }}"#,
+        g.type_id,
+        ln.row,
+        ln.field,
+        serde_json::Value::String(ln.source.clone()),
+    );
+    let mut db3 = Database::read(&p, &d).unwrap();
+    let st = inject_db_strings(
+        &edit,
+        &mut db3,
+        &InjectOptions {
+            allow_code_drift: true,
+            ..Default::default()
+        },
+    )
+    .expect("inject");
+    assert_eq!(st.applied, 1, "one DB cell should translate");
+    let (p3, d3) = db3.write();
+    let db4 = Database::read(&p3, &d3).unwrap();
+    let groups4 = extract_db_strings(&db4, &glossary);
+    assert!(
+        groups4
+            .iter()
+            .any(|g| g.lines.iter().any(|l| l.source == "WOLFDAWN DB TR")),
+        "translated DB cell must read the new text"
+    );
+}
+
+/// Find a corpus map that actually has extractable player text.
+fn find_map_with_text() -> Option<(std::path::PathBuf, Vec<u8>, Map)> {
+    let root = std::path::PathBuf::from(env!("CARGO_MANIFEST_DIR")).join("../../..");
+    let mut stack = vec![root];
+    while let Some(d) = stack.pop() {
+        let Ok(rd) = std::fs::read_dir(&d) else {
+            continue;
+        };
+        for e in rd.flatten() {
+            let p = e.path();
+            if p.is_dir() {
+                stack.push(p);
+            } else if p.extension().and_then(|s| s.to_str()) == Some("mps") {
+                let bytes = std::fs::read(&p).unwrap_or_default();
+                if let Ok(m) = Map::read(&bytes) {
+                    if extract_map(&m).iter().any(|s| !s.lines.is_empty()) {
+                        return Some((p, bytes, m));
+                    }
+                }
+            }
+        }
+    }
+    None
+}
+
+#[test]
+fn noop_inject_is_byte_identical() {
+    let Some((_p, bytes, m)) = find_map_with_text() else {
+        eprintln!("no corpus map with player text, skipping");
+        return;
+    };
+    let json = scenes_to_json("m.mps", "map", &extract_map(&m));
+    let mut m2 = Map::read(&bytes).unwrap();
+    let st = inject_map(&json, &mut m2, &InjectOptions::default()).expect("inject");
+    assert_eq!(st.applied, 0, "no-op inject must apply nothing");
+    assert_eq!(st.drifted, 0, "no-op inject must not drift");
+    assert!(m2.write() == bytes, "no-op inject must be byte-identical");
+}
+
+#[test]
+fn translate_one_line_changes_only_that_string() {
+    let Some((_p, bytes, m)) = find_map_with_text() else {
+        return;
+    };
+    let scenes = extract_map(&m);
+    // Locate the first scene with a line and record its locator and original.
+    let sc = scenes.iter().find(|s| !s.lines.is_empty()).unwrap();
+    let ln = &sc.lines[0];
+    let (event, page, cmd, str_idx, source) = (
+        sc.event,
+        sc.page.unwrap(),
+        ln.cmd,
+        ln.str_idx,
+        ln.source.clone(),
+    );
+
+    // Build a minimal inject doc translating just that line. The sentinel reads as real text (a
+    // space, no bare-identifier shape) so the re-extraction's player-text filter keeps it.
+    let edit = format!(
+        r#"{{ "scenes": [ {{ "event": {event}, "page": {page}, "lines": [ {{ "cmd": {cmd}, "str": {str_idx}, "source": {src}, "text": "WOLFDAWN TR" }} ] }} ] }}"#,
+        src = serde_json::Value::String(source.clone()),
+    );
+
+    let mut m2 = Map::read(&bytes).unwrap();
+    let st = inject_map(
+        &edit,
+        &mut m2,
+        &InjectOptions {
+            allow_code_drift: true,
+            ..Default::default()
+        },
+    )
+    .expect("inject");
+    assert_eq!(st.applied, 1, "exactly one line should apply");
+
+    // Re-extract and confirm the translated line now reads the new text and others are intact.
+    let scenes2 = extract_map(&m2);
+    let sc2 = scenes2
+        .iter()
+        .find(|s| s.event == event && s.page == Some(page))
+        .unwrap();
+    let ln2 = sc2
+        .lines
+        .iter()
+        .find(|l| l.cmd == cmd && l.str_idx == str_idx)
+        .unwrap();
+    assert_eq!(
+        ln2.source, "WOLFDAWN TR",
+        "translated line must read the new text"
+    );
+}
+
+/// Safety guard: a translation that drops an inline control code present in the source is
+/// rejected. It is counted in `code_mismatch` and the line is left untouched, so a translator
+/// cannot silently break a `\cself`/`\s`/`\f` reference. `--allow-code-drift` overrides. This is
+/// the core "never break the game" guarantee.
+#[test]
+fn control_code_drop_is_blocked_by_default() {
+    let Some((_p, bytes, m)) = find_map_with_text() else {
+        return;
+    };
+    // Find a line whose source carries an inline `\code` (so dropping it is detectable).
+    let scenes = extract_map(&m);
+    let Some((sc, ln)) = scenes
+        .iter()
+        .flat_map(|s| s.lines.iter().map(move |l| (s, l)))
+        .find(|(_, l)| {
+            l.source.contains("\\cself[") || l.source.contains("\\s[") || l.source.contains("\\c[")
+        })
+    else {
+        eprintln!("no corpus line with an inline code, skipping");
+        return;
+    };
+    let edit = format!(
+        r#"{{ "scenes": [ {{ "event": {}, "page": {}, "lines": [ {{ "cmd": {}, "str": {}, "source": {}, "text": "code dropped entirely" }} ] }} ] }}"#,
+        sc.event,
+        sc.page.unwrap(),
+        ln.cmd,
+        ln.str_idx,
+        serde_json::Value::String(ln.source.clone()),
+    );
+
+    // Default: blocked, counted, base untouched (byte-identical).
+    let mut m2 = Map::read(&bytes).unwrap();
+    let st = inject_map(&edit, &mut m2, &InjectOptions::default()).expect("inject");
+    assert_eq!(st.applied, 0, "code-dropping translation must not apply");
+    assert_eq!(st.code_mismatch, 1, "the dropped code must be counted");
+    assert!(
+        m2.write() == bytes,
+        "blocked line must leave the file byte-identical"
+    );
+
+    // With --allow-code-drift: applied.
+    let mut m3 = Map::read(&bytes).unwrap();
+    let st = inject_map(
+        &edit,
+        &mut m3,
+        &InjectOptions {
+            allow_code_drift: true,
+            ..Default::default()
+        },
+    )
+    .expect("inject");
+    assert_eq!(st.applied, 1, "allow_code_drift must apply the edit");
+    assert_eq!(st.code_mismatch, 0);
+}
diff --git a/util/wolfdawn-master/crates/wolf-decompiler/tests/txt_events_roundtrip.rs b/util/wolfdawn-master/crates/wolf-decompiler/tests/txt_events_roundtrip.rs
new file mode 100644
index 0000000..468e333
--- /dev/null
+++ b/util/wolfdawn-master/crates/wolf-decompiler/tests/txt_events_roundtrip.rs
@@ -0,0 +1,160 @@
+//! External event-text `.txt` round-trip. A no-op inject reproduces the base byte-for-byte, an
+//! edit changes only its line while the surrounding `/` command lines stay intact, and extraction
+//! drops every command/comment/blank line while keeping dialogue and speaker lines.
+//!
+//! The real-data cases use the `WOLFDAWN_TEST_DATA` fixture (`g210/Evtext/hev_a000h.txt`) and skip
+//! gracefully when it is absent. The synthetic cases always run.
+
+use wolf_decompiler::{extract_txt_events, inject_txt_events};
+
+mod common;
+use common::test_data;
+
+/// Parse the `source` strings out of an extracted document, in order.
+fn sources(json: &str) -> Vec<String> {
+    let v: serde_json::Value = serde_json::from_str(json).unwrap();
+    v["lines"]
+        .as_array()
+        .unwrap()
+        .iter()
+        .map(|l| l["source"].as_str().unwrap().to_owned())
+        .collect()
+}
+
+/// A synthetic Shift-JIS event file with CRLF endings, a `//` comment, a `/` command, a speaker
+/// line, dialogue, blank-line spacing, and no trailing newline. Mirrors the real format.
+fn synthetic_sjis() -> Vec<u8> {
+    let text = "//おねだり_コメント\r\n\
+                /evcg,a0,b0,c0\r\n\
+                /胸+1\r\n\
+                アイリス：\r\n\
+                こんにちは、世界\r\n\
+                \r\n\
+                /b\r\n\
+                最後の行に改行なし";
+    encoding_rs::SHIFT_JIS.encode(text).0.into_owned()
+}
+
+#[test]
+fn synthetic_noop_is_byte_exact() {
+    let bytes = synthetic_sjis();
+    let json = extract_txt_events(&bytes);
+    let out = inject_txt_events(&json, &bytes).expect("inject");
+    assert_eq!(out, bytes, "no-op inject must reproduce the base byte-for-byte");
+}
+
+#[test]
+fn synthetic_extraction_excludes_commands_and_blanks() {
+    let bytes = synthetic_sjis();
+    let json = extract_txt_events(&bytes);
+    let got = sources(&json);
+    assert_eq!(
+        got,
+        vec![
+            "アイリス：".to_string(),
+            "こんにちは、世界".to_string(),
+            "最後の行に改行なし".to_string(),
+        ],
+        "only the non-command, non-blank lines are extracted"
+    );
+    // Confirm no command/comment line leaked into the document.
+    for forbidden in ["/evcg", "/胸+1", "/b", "//おねだり"] {
+        assert!(
+            !json.contains(forbidden),
+            "command/comment {forbidden} must not be extracted"
+        );
+    }
+}
+
+#[test]
+fn synthetic_edit_round_trip_keeps_command_intact() {
+    let bytes = synthetic_sjis();
+    let json = extract_txt_events(&bytes);
+    // Edit the dialogue line, leaving its neighbour command `/evcg` and `/b` untouched.
+    let edited = json.replacen(
+        r#""source": "こんにちは、世界", "text": "こんにちは、世界""#,
+        r#""source": "こんにちは、世界", "text": "やあ、世界""#,
+        1,
+    );
+    assert_ne!(edited, json, "edit must have matched a line");
+    let out = inject_txt_events(&edited, &bytes).expect("inject");
+    // Re-extract and confirm the new text landed.
+    let re = extract_txt_events(&out);
+    assert!(
+        sources(&re).contains(&"やあ、世界".to_string()),
+        "edited text must be present after re-extraction"
+    );
+    // The command lines next to it must be byte-intact.
+    let (decoded, _, _) = encoding_rs::SHIFT_JIS.decode(&out);
+    assert!(decoded.contains("/evcg,a0,b0,c0"), "the /evcg command must survive");
+    assert!(decoded.contains("/b"), "the /b page break must survive");
+    assert!(!decoded.contains("こんにちは、世界"), "old text should be gone");
+}
+
+#[test]
+fn synthetic_unrepresentable_and_newline_are_skipped() {
+    // A translation with a char SJIS cannot encode, and one with an embedded newline, are both
+    // skipped, leaving the file byte-exact.
+    let text = "せりふいち\r\nせりふに\r\n";
+    let bytes = encoding_rs::SHIFT_JIS.encode(text).0.into_owned();
+    let json = extract_txt_events(&bytes);
+    // Line 0 -> an emoji (not SJIS), line 1 -> a two-line value.
+    let edited = json
+        .replacen(
+            r#""source": "せりふいち", "text": "せりふいち""#,
+            r#""source": "せりふいち", "text": "🎮""#,
+            1,
+        )
+        .replacen(
+            r#""source": "せりふに", "text": "せりふに""#,
+            r#""source": "せりふに", "text": "a\nb""#,
+            1,
+        );
+    let out = inject_txt_events(&edited, &bytes).expect("inject");
+    assert_eq!(out, bytes, "both guarded edits are skipped, base preserved");
+}
+
+#[test]
+fn real_file_noop_is_byte_exact_and_keeps_dialogue() {
+    let Some(path) = test_data("g210/Evtext/hev_a000h.txt") else {
+        eprintln!("no g210/Evtext fixture, skipping real-file txt test");
+        return;
+    };
+    let bytes = std::fs::read(&path).expect("read fixture");
+
+    // No-op inject is byte-for-byte identical.
+    let json = extract_txt_events(&bytes);
+    let out = inject_txt_events(&json, &bytes).expect("inject");
+    assert_eq!(out, bytes, "real-file no-op inject must be byte-exact");
+
+    // Extraction excludes every `/`-prefixed and blank line, and keeps the speaker line.
+    let srcs = sources(&json);
+    assert!(!srcs.is_empty(), "the real file has dialogue to extract");
+    assert!(
+        srcs.iter().all(|s| !s.is_empty() && !s.starts_with('/')),
+        "no command/comment/blank line should be extracted"
+    );
+    assert!(
+        srcs.iter().any(|s| s.starts_with("アイリス")),
+        "the アイリス： speaker line should be extracted"
+    );
+
+    // Edit one dialogue line and confirm it lands while a command line stays intact.
+    let target = srcs.iter().find(|s| !s.starts_with("アイリス")).unwrap().clone();
+    let needle = format!("\"source\": {0}, \"text\": {0}", serde_json::Value::String(target.clone()));
+    let replacement = format!(
+        "\"source\": {}, \"text\": {}",
+        serde_json::Value::String(target.clone()),
+        serde_json::Value::String("WOLFDAWN_TXT_TR".to_string())
+    );
+    let edited = json.replacen(&needle, &replacement, 1);
+    assert_ne!(edited, json, "edit must have matched a line");
+    let out2 = inject_txt_events(&edited, &bytes).expect("inject edit");
+    let re = extract_txt_events(&out2);
+    assert!(
+        sources(&re).contains(&"WOLFDAWN_TXT_TR".to_string()),
+        "edited text must be present after re-extraction"
+    );
+    let (decoded, _, _) = encoding_rs::SHIFT_JIS.decode(&out2);
+    assert!(decoded.contains("/evcg"), "an /evcg command line must remain intact");
+}
diff --git a/util/wolfdawn-master/crates/wolf-formats/Cargo.toml b/util/wolfdawn-master/crates/wolf-formats/Cargo.toml
new file mode 100644
index 0000000..4ddf116
--- /dev/null
+++ b/util/wolfdawn-master/crates/wolf-formats/Cargo.toml
@@ -0,0 +1,13 @@
+[package]
+name = "wolf-formats"
+edition.workspace = true
+version.workspace = true
+license.workspace = true
+description = "Byte-faithful typed read/write of Wolf RPG data files (maps, databases, common events). Round-trip contract lives here."
+
+[dependencies]
+wolf-core = { path = "../wolf-core" }
+
+[dev-dependencies]
+# For the end-to-end gate: unpack Data.wolf and parse/round-trip its inner files.
+wolf-archive = { path = "../wolf-archive" }
diff --git a/util/wolfdawn-master/crates/wolf-formats/src/command.rs b/util/wolfdawn-master/crates/wolf-formats/src/command.rs
new file mode 100644
index 0000000..0375eb8
--- /dev/null
+++ b/util/wolfdawn-master/crates/wolf-formats/src/command.rs
@@ -0,0 +1,204 @@
+//! Event command and move-route encoding, the core unit a decompiler operates on.
+//!
+//! Read order: `argCount = byte-1`, `cid` u32, `argCount` ints, `indent` byte,
+//! `strCount` byte, `strCount` strings, `terminator` byte. Terminator `0x01` (or
+//! cid==Move) is followed by a move-route block. Wolf Pro v3.5 appends a per-command
+//! length-prefixed blob.
+
+use crate::Ctx;
+use wolf_core::{Error, Reader, Result, WStr, Writer};
+
+/// On-disk command id for `Move` (201). The only cid whose `0x00`-terminated form
+/// still carries a route block.
+pub const CID_MOVE: u32 = 201;
+
+/// A single event command, mirroring the on-disk bytes exactly. This is the round-trip
+/// authority that the higher decompiler IR is derived from and lowered back to.
+#[derive(Debug, Clone, PartialEq, Eq)]
+pub struct RawCommand {
+    pub cid: u32,
+    pub int_args: Vec<u32>,
+    pub indent: u8,
+    pub str_args: Vec<WStr>,
+    /// Terminator byte as read (`0x00` normal, `0x01` move). Stored for faithfulness.
+    pub term: u8,
+    pub move_route: Option<MoveRoute>,
+    /// Wolf Pro v3.5 trailing blob (length-prefixed by a single byte), if present.
+    pub v35_blob: Option<Vec<u8>>,
+}
+
+impl RawCommand {
+    pub fn read(r: &mut Reader, ctx: &Ctx) -> Result<Self> {
+        let arg_count_byte = r.read_u8()?;
+        let n = arg_count_byte
+            .checked_sub(1)
+            .ok_or_else(|| Error::invalid("command int-arg count byte was 0 (expected >= 1)"))?
+            as usize;
+
+        let cid = r.read_u32()?;
+        let mut int_args = Vec::with_capacity(n);
+        for _ in 0..n {
+            int_args.push(r.read_u32()?);
+        }
+
+        let indent = r.read_u8()?;
+        let str_count = r.read_u8()? as usize;
+        let mut str_args = Vec::with_capacity(str_count);
+        for _ in 0..str_count {
+            str_args.push(r.read_string()?);
+        }
+
+        let term = r.read_u8()?;
+        let move_route = match term {
+            0x01 => Some(MoveRoute::read(r)?),
+            0x00 => {
+                if cid == CID_MOVE {
+                    Some(MoveRoute::read(r)?)
+                } else {
+                    None
+                }
+            }
+            other => {
+                return Err(Error::invalid(format!(
+                    "unexpected command terminator 0x{other:02x} (cid {cid})"
+                )))
+            }
+        };
+
+        let v35_blob = if ctx.v35 {
+            let size = r.read_u8()? as usize;
+            Some(r.read_bytes(size)?)
+        } else {
+            None
+        };
+
+        Ok(RawCommand {
+            cid,
+            int_args,
+            indent,
+            str_args,
+            term,
+            move_route,
+            v35_blob,
+        })
+    }
+
+    pub fn write(&self, w: &mut Writer, ctx: &Ctx) {
+        w.write_u8((self.int_args.len() + 1) as u8);
+        w.write_u32(self.cid);
+        for &a in &self.int_args {
+            w.write_u32(a);
+        }
+        w.write_u8(self.indent);
+        w.write_u8(self.str_args.len() as u8);
+        for s in &self.str_args {
+            w.write_string(s);
+        }
+        w.write_u8(self.term);
+        if let Some(mr) = &self.move_route {
+            mr.write(w);
+        }
+        if ctx.v35 {
+            let blob = self.v35_blob.as_deref().unwrap_or(&[]);
+            w.write_u8(blob.len() as u8);
+            w.write_bytes(blob);
+        }
+    }
+}
+
+/// The move-route block attached to a `Move` command: 5 opaque bytes, a flags byte,
+/// and a length-prefixed list of [`RouteCommand`]s.
+#[derive(Debug, Clone, PartialEq, Eq)]
+pub struct MoveRoute {
+    pub unknown: [u8; 5],
+    pub flags: u8,
+    pub commands: Vec<RouteCommand>,
+}
+
+impl MoveRoute {
+    pub fn read(r: &mut Reader) -> Result<Self> {
+        let mut unknown = [0u8; 5];
+        for b in &mut unknown {
+            *b = r.read_u8()?;
+        }
+        let flags = r.read_u8()?;
+        let count = r.read_u32()? as usize;
+        let mut commands = Vec::with_capacity(count);
+        for _ in 0..count {
+            commands.push(RouteCommand::read(r)?);
+        }
+        Ok(MoveRoute {
+            unknown,
+            flags,
+            commands,
+        })
+    }
+
+    pub fn write(&self, w: &mut Writer) {
+        w.write_bytes(&self.unknown);
+        w.write_u8(self.flags);
+        w.write_u32(self.commands.len() as u32);
+        for c in &self.commands {
+            c.write(w);
+        }
+    }
+}
+
+/// A single move-route sub-command: `id` byte, `argCount` byte, ints, then a fixed
+/// `{01,00}` terminator. Used both inside [`MoveRoute`] and directly in a page's route list.
+#[derive(Debug, Clone, PartialEq, Eq)]
+pub struct RouteCommand {
+    pub id: u8,
+    pub args: Vec<u32>,
+    pub terminator: [u8; 2],
+}
+
+impl RouteCommand {
+    pub fn read(r: &mut Reader) -> Result<Self> {
+        let id = r.read_u8()?;
+        let argc = r.read_u8()? as usize;
+        let mut args = Vec::with_capacity(argc);
+        for _ in 0..argc {
+            args.push(r.read_u32()?);
+        }
+        let terminator = [r.read_u8()?, r.read_u8()?];
+        if terminator != [0x01, 0x00] {
+            return Err(Error::invalid(format!(
+                "route command terminator was {:02x?}, expected [01, 00]",
+                terminator
+            )));
+        }
+        Ok(RouteCommand {
+            id,
+            args,
+            terminator,
+        })
+    }
+
+    pub fn write(&self, w: &mut Writer) {
+        w.write_u8(self.id);
+        w.write_u8(self.args.len() as u8);
+        for &a in &self.args {
+            w.write_u32(a);
+        }
+        w.write_bytes(&self.terminator);
+    }
+}
+
+/// Read a length-prefixed (`u32` count) list of [`RouteCommand`]s. This is the form used
+/// directly in a map page's route field (no 5-byte/flags header).
+pub fn read_route_list(r: &mut Reader) -> Result<Vec<RouteCommand>> {
+    let count = r.read_u32()? as usize;
+    let mut out = Vec::with_capacity(count);
+    for _ in 0..count {
+        out.push(RouteCommand::read(r)?);
+    }
+    Ok(out)
+}
+
+pub fn write_route_list(w: &mut Writer, list: &[RouteCommand]) {
+    w.write_u32(list.len() as u32);
+    for c in list {
+        c.write(w);
+    }
+}
diff --git a/util/wolfdawn-master/crates/wolf-formats/src/common_event.rs b/util/wolfdawn-master/crates/wolf-formats/src/common_event.rs
new file mode 100644
index 0000000..59bffb6
--- /dev/null
+++ b/util/wolfdawn-master/crates/wolf-formats/src/common_event.rs
@@ -0,0 +1,308 @@
+//! CommonEvent file (`CommonEvent.dat`): a flat list of shared event programs.
+//! Each common event holds a command list (same encoding as map pages) plus a large
+//! tail of editor metadata kept opaque for now.
+//!
+//! Layout on disk:
+//! `[crypt-indicator u8=0][9-byte magic][version u8][eventCount u32][events][terminator u8]`.
+//! The leading indicator and the v3.5 LZ4 body are crypto-layer concerns. This reader
+//! handles the plaintext case (indicator 0, version != 0x93/0xCC) and errors otherwise.
+
+use crate::command::RawCommand;
+use crate::Ctx;
+use wolf_core::codec::lz4;
+use wolf_core::{Error, Reader, Result, WStr, Writer};
+
+/// `{0x57,00,00,0x4F,0x4C,(00|'U'),0x46,0x43,00}`: "WOLFC" with a UTF-8 toggle at idx 5.
+const MAGIC_LEN: usize = 9;
+const UTF8_MARKER_INDEX: usize = 5;
+const EVENT_INDICATOR: u8 = 0x8E;
+const DATA_INDICATOR_8F: u8 = 0x8F;
+const DATA_INDICATOR_91: u8 = 0x91;
+const DATA_INDICATOR_92: u8 = 0x92;
+const UNKNOWN8_COUNT: usize = 100;
+
+#[derive(Debug, Clone, PartialEq, Eq)]
+pub struct CommonEventsFile {
+    /// Leading crypt-indicator byte (0 = plaintext).
+    pub indicator: u8,
+    pub magic: [u8; MAGIC_LEN],
+    pub version: u8,
+    pub events: Vec<CommonEvent>,
+    pub terminator: u8,
+    pub utf8: bool,
+    /// True when version is `0x93`/`0xCC` (Wolf Pro v3.5). The body after the version byte
+    /// is LZ4-compressed and every command carries a trailing blob.
+    pub v35: bool,
+    /// For v3.5 files: the original framed LZ4 body `[decSize][encSize][block]`, kept so an
+    /// unmodified file re-emits byte-exact (LZ4 recompression isn't byte-stable).
+    pub packed: Option<Vec<u8>>,
+}
+
+impl CommonEventsFile {
+    pub fn read(bytes: &[u8]) -> Result<Self> {
+        let mut r = Reader::new(bytes);
+
+        let indicator = r.read_u8()?;
+        if indicator != 0 {
+            return Err(Error::invalid(
+                "CommonEvent.dat is encrypted (indicator != 0); decrypt with wolf-archive first",
+            ));
+        }
+
+        let magic_vec = r.read_bytes(MAGIC_LEN)?;
+        if magic_vec[0] != 0x57 || magic_vec[6] != 0x46 || magic_vec[7] != 0x43 {
+            return Err(Error::invalid("not a CommonEvent.dat (magic mismatch)"));
+        }
+        let mut magic = [0u8; MAGIC_LEN];
+        magic.copy_from_slice(&magic_vec);
+        let utf8 = magic[UTF8_MARKER_INDEX] == b'U';
+
+        let version = r.read_u8()?;
+        let v35 = version == 0x93 || version == 0xCC;
+        let ctx = Ctx { utf8, v35 };
+
+        // For v3.5 the body after the version byte is an LZ4 block. Decompress it and parse
+        // the events from the decompressed bytes. Plain files just continue inline.
+        let rem = r.remaining();
+        let (packed, body): (Option<Vec<u8>>, Vec<u8>) = if v35 {
+            let framed = r.read_bytes(rem)?;
+            let body = lz4::unpack(&framed)?;
+            (Some(framed), body)
+        } else {
+            (None, r.read_bytes(rem)?)
+        };
+        let mut r = Reader::new(&body);
+
+        let event_count = r.read_u32()? as usize;
+        let mut events = Vec::with_capacity(event_count);
+        for _ in 0..event_count {
+            events.push(CommonEvent::read(&mut r, &ctx)?);
+        }
+
+        let terminator = r.read_u8()?;
+        if terminator < 0x89 {
+            return Err(Error::invalid(format!(
+                "CommonEvent terminator 0x{terminator:02x} < 0x89"
+            )));
+        }
+        if !r.is_eof() {
+            return Err(Error::invalid("CommonEvent.dat has trailing data"));
+        }
+
+        Ok(CommonEventsFile {
+            indicator,
+            magic,
+            version,
+            events,
+            terminator,
+            utf8,
+            v35,
+            packed,
+        })
+    }
+
+    pub fn write(&self) -> Vec<u8> {
+        let ctx = Ctx {
+            utf8: self.utf8,
+            v35: self.v35,
+        };
+        let mut w = Writer::new();
+        w.write_u8(self.indicator);
+        w.write_bytes(&self.magic);
+        w.write_u8(self.version);
+
+        // The compressible body: event count + events + terminator.
+        let mut body = Writer::new();
+        body.write_u32(self.events.len() as u32);
+        for ev in &self.events {
+            ev.write(&mut body, &ctx);
+        }
+        body.write_u8(self.terminator);
+        let body = body.into_bytes();
+
+        if self.v35 {
+            // Re-emit the original packed bytes verbatim when the body is unchanged
+            // (byte-exact). Otherwise compress fresh (valid LZ4, content-exact).
+            match &self.packed {
+                Some(orig) if lz4::unpack(orig).map(|b| b == body).unwrap_or(false) => {
+                    w.write_bytes(orig);
+                }
+                _ => w.write_bytes(&lz4::pack(&body)),
+            }
+        } else {
+            w.write_bytes(&body);
+        }
+        w.into_bytes()
+    }
+}
+
+#[derive(Debug, Clone, PartialEq, Eq)]
+pub struct CommonEvent {
+    pub int_id: u32,
+    pub unknown1: u32,
+    pub unknown2: [u8; 7],
+    pub name: WStr,
+    pub commands: Vec<RawCommand>,
+    pub unknown11: WStr,
+    pub description: WStr,
+    pub unknown3: Vec<WStr>,
+    pub unknown4: Vec<u8>,
+    pub unknown5: Vec<Vec<WStr>>,
+    pub unknown6: Vec<Vec<u32>>,
+    pub unknown7: [u8; 0x1D],
+    /// Exactly 100 strings (slot/argument names), no count prefix on disk.
+    pub unknown8: Vec<WStr>,
+    pub unknown9: WStr,
+    /// Optional `0x92` tail: `(unknown10, unknown12)`.
+    pub unknown10: Option<(WStr, u32)>,
+}
+
+impl CommonEvent {
+    fn read(r: &mut Reader, ctx: &Ctx) -> Result<Self> {
+        let ind = r.read_u8()?;
+        if ind != EVENT_INDICATOR {
+            return Err(Error::invalid(format!(
+                "CommonEvent header indicator 0x{ind:02x} != 0x8E"
+            )));
+        }
+
+        let int_id = r.read_u32()?;
+        let unknown1 = r.read_u32()?;
+        let unknown2 = read_fixed::<7>(r)?;
+        let name = r.read_string()?;
+
+        let command_count = r.read_u32()? as usize;
+        let mut commands = Vec::with_capacity(command_count);
+        for _ in 0..command_count {
+            commands.push(RawCommand::read(r, ctx)?);
+        }
+
+        let unknown11 = r.read_string()?;
+        let description = r.read_string()?;
+
+        expect(r, DATA_INDICATOR_8F, "0x8F")?;
+
+        let unknown3 = r.read_string_array()?;
+
+        let unknown4 = r.read_byte_array()?;
+
+        let n5 = r.read_u32()? as usize;
+        let mut unknown5 = Vec::with_capacity(n5);
+        for _ in 0..n5 {
+            unknown5.push(r.read_string_array()?);
+        }
+
+        let n6 = r.read_u32()? as usize;
+        let mut unknown6 = Vec::with_capacity(n6);
+        for _ in 0..n6 {
+            unknown6.push(r.read_int_array()?);
+        }
+
+        let unknown7 = read_fixed::<0x1D>(r)?;
+
+        let mut unknown8 = Vec::with_capacity(UNKNOWN8_COUNT);
+        for _ in 0..UNKNOWN8_COUNT {
+            unknown8.push(r.read_string()?);
+        }
+
+        expect(r, DATA_INDICATOR_91, "0x91")?;
+        let unknown9 = r.read_string()?;
+
+        let next = r.read_u8()?;
+        let unknown10 = match next {
+            DATA_INDICATOR_91 => None,
+            DATA_INDICATOR_92 => {
+                let s = r.read_string()?;
+                let n = r.read_u32()?;
+                expect(r, DATA_INDICATOR_92, "0x92")?;
+                Some((s, n))
+            }
+            other => {
+                return Err(Error::invalid(format!(
+                    "CommonEvent tail indicator 0x{other:02x} not 0x91/0x92"
+                )))
+            }
+        };
+
+        Ok(CommonEvent {
+            int_id,
+            unknown1,
+            unknown2,
+            name,
+            commands,
+            unknown11,
+            description,
+            unknown3,
+            unknown4,
+            unknown5,
+            unknown6,
+            unknown7,
+            unknown8,
+            unknown9,
+            unknown10,
+        })
+    }
+
+    fn write(&self, w: &mut Writer, ctx: &Ctx) {
+        w.write_u8(EVENT_INDICATOR);
+        w.write_u32(self.int_id);
+        w.write_u32(self.unknown1);
+        w.write_bytes(&self.unknown2);
+        w.write_string(&self.name);
+        w.write_u32(self.commands.len() as u32);
+        for c in &self.commands {
+            c.write(w, ctx);
+        }
+        w.write_string(&self.unknown11);
+        w.write_string(&self.description);
+        w.write_u8(DATA_INDICATOR_8F);
+
+        w.write_string_array(&self.unknown3);
+        w.write_byte_array(&self.unknown4);
+
+        w.write_u32(self.unknown5.len() as u32);
+        for strs in &self.unknown5 {
+            w.write_string_array(strs);
+        }
+
+        w.write_u32(self.unknown6.len() as u32);
+        for ints in &self.unknown6 {
+            w.write_int_array(ints);
+        }
+
+        w.write_bytes(&self.unknown7);
+        for s in &self.unknown8 {
+            w.write_string(s);
+        }
+
+        w.write_u8(DATA_INDICATOR_91);
+        w.write_string(&self.unknown9);
+
+        match &self.unknown10 {
+            Some((s, n)) => {
+                w.write_u8(DATA_INDICATOR_92);
+                w.write_string(s);
+                w.write_u32(*n);
+                w.write_u8(DATA_INDICATOR_92);
+            }
+            None => w.write_u8(DATA_INDICATOR_91),
+        }
+    }
+}
+
+fn read_fixed<const N: usize>(r: &mut Reader) -> Result<[u8; N]> {
+    let v = r.read_bytes(N)?;
+    let mut out = [0u8; N];
+    out.copy_from_slice(&v);
+    Ok(out)
+}
+
+fn expect(r: &mut Reader, byte: u8, label: &str) -> Result<()> {
+    let got = r.read_u8()?;
+    if got != byte {
+        return Err(Error::invalid(format!(
+            "CommonEvent expected indicator {label}, got 0x{got:02x}"
+        )));
+    }
+    Ok(())
+}
diff --git a/util/wolfdawn-master/crates/wolf-formats/src/database.rs b/util/wolfdawn-master/crates/wolf-formats/src/database.rs
new file mode 100644
index 0000000..a3e889f
--- /dev/null
+++ b/util/wolfdawn-master/crates/wolf-formats/src/database.rs
@@ -0,0 +1,447 @@
+//! Database: the paired `.project` (schema: type/field/data names + field UI types)
+//! and `.dat` (field index-info + actual int/string cell values) format. Used for the
+//! User Database, System Database (`SysDatabase`) and Changeable Database (`CDatabase`).
+//!
+//! Handles the plaintext case (dat indicator 0, version != 0xC4, unencrypted project).
+//! Pro/LZ4 variants error pending wolf-archive.
+
+use crate::Ctx;
+use wolf_core::codec::lz4;
+use wolf_core::{Error, Reader, Result, WStr, Writer};
+
+const MAGIC_LEN: usize = 9;
+const UTF8_MARKER_INDEX: usize = 5;
+const TYPE_SEPARATOR: [u8; 4] = [0xFE, 0xFF, 0xFF, 0xFF];
+const STRING_INDICATOR: u32 = 0x0001_D4C0;
+const STRING_START: u32 = 0x07D0;
+
+#[derive(Debug, Clone, PartialEq, Eq)]
+pub struct Database {
+    pub dat_indicator: u8,
+    pub dat_magic: [u8; MAGIC_LEN],
+    pub dat_version: u8,
+    pub utf8: bool,
+    pub types: Vec<DbType>,
+    /// True when `dat_version == 0xC4` (Wolf Pro v3.5). The dat type/data section is
+    /// LZ4-compressed. The `.project` schema is never compressed.
+    pub v35: bool,
+    /// For v3.5: the original framed LZ4 dat body `[decSize][encSize][block]`, kept so an
+    /// unmodified database re-emits byte-exact.
+    pub dat_packed: Option<Vec<u8>>,
+}
+
+#[derive(Debug, Clone, PartialEq, Eq)]
+pub struct DbType {
+    // Project side.
+    pub name: WStr,
+    pub fields: Vec<DbField>,
+    pub data: Vec<DbData>,
+    pub description: WStr,
+    pub field_type_list_size: u32,
+    /// Padding bytes after the per-field type bytes (`field_type_list_size - fields.len()`).
+    pub field_type_pad: Vec<u8>,
+    // Dat side.
+    pub dat_unknown1: u32,
+    pub dat_fields_size: u32,
+    /// Present only when `dat_unknown1 == STRING_INDICATOR`.
+    pub dat_unknown2: Option<WStr>,
+}
+
+#[derive(Debug, Clone, PartialEq, Eq)]
+pub struct DbField {
+    // project side
+    pub name: WStr,
+    pub type_byte: u8,
+    pub unknown1: WStr,
+    pub string_args: Vec<WStr>,
+    pub args: Vec<u32>,
+    pub default_value: u32,
+    // dat side
+    pub index_info: u32,
+}
+
+impl DbField {
+    /// True if this field stores a string value (its `index_info` is in the string range).
+    /// Determines whether a data row reads from `string_values` or `int_values`.
+    pub fn is_string(&self) -> bool {
+        self.index_info >= STRING_START
+    }
+}
+
+#[derive(Debug, Clone, PartialEq, Eq)]
+pub struct DbData {
+    pub name: WStr,
+    pub int_values: Vec<u32>,
+    pub string_values: Vec<WStr>,
+}
+
+impl Database {
+    pub fn read(project_bytes: &[u8], dat_bytes: &[u8]) -> Result<Self> {
+        // --- dat header ---
+        let mut rd = Reader::new(dat_bytes);
+        let dat_indicator = rd.read_u8()?;
+        if dat_indicator != 0 {
+            return Err(Error::invalid(
+                "database .dat is encrypted (indicator != 0); decrypt with wolf-archive first",
+            ));
+        }
+        let magic_vec = rd.read_bytes(MAGIC_LEN)?;
+        if magic_vec[0] != 0x57 || magic_vec[6] != 0x46 || magic_vec[7] != 0x4D {
+            return Err(Error::invalid("not a database .dat (magic mismatch)"));
+        }
+        let mut dat_magic = [0u8; MAGIC_LEN];
+        dat_magic.copy_from_slice(&magic_vec);
+        let utf8 = dat_magic[UTF8_MARKER_INDEX] == b'U';
+        let dat_version = rd.read_u8()?;
+        let v35 = dat_version == 0xC4;
+        let _ = Ctx { utf8, v35 };
+
+        // For v3.5 the dat type/data section after the version byte is an LZ4 block.
+        // Decompress it and read the values from the result. The `.project` is plain.
+        let rem = rd.remaining();
+        let (dat_packed, dat_body): (Option<Vec<u8>>, Vec<u8>) = if v35 {
+            let framed = rd.read_bytes(rem)?;
+            let body = lz4::unpack(&framed)?;
+            (Some(framed), body)
+        } else {
+            (None, rd.read_bytes(rem)?)
+        };
+        let mut rd = Reader::new(&dat_body);
+
+        // --- project (schema) ---
+        let mut rp = Reader::new(project_bytes);
+        let type_cnt = rp.read_u32()? as usize;
+        let mut types = Vec::with_capacity(type_cnt);
+        for _ in 0..type_cnt {
+            types.push(DbType::read_project(&mut rp)?);
+        }
+        if !rp.is_eof() {
+            return Err(Error::invalid("database .project has trailing data"));
+        }
+
+        // --- dat body (values) ---
+        let dat_type_cnt = rd.read_u32()? as usize;
+        if dat_type_cnt != types.len() {
+            return Err(Error::invalid(format!(
+                "database type count mismatch: project {} vs dat {}",
+                types.len(),
+                dat_type_cnt
+            )));
+        }
+        for t in &mut types {
+            t.read_dat(&mut rd)?;
+        }
+        let terminator = rd.read_u8()?;
+        if terminator != dat_version {
+            return Err(Error::invalid(format!(
+                "database .dat terminator 0x{terminator:02x} != version 0x{dat_version:02x}"
+            )));
+        }
+        if !rd.is_eof() {
+            return Err(Error::invalid("database .dat has trailing data"));
+        }
+
+        Ok(Database {
+            dat_indicator,
+            dat_magic,
+            dat_version,
+            utf8,
+            types,
+            v35,
+            dat_packed,
+        })
+    }
+
+    /// Returns `(project_bytes, dat_bytes)`.
+    pub fn write(&self) -> (Vec<u8>, Vec<u8>) {
+        let mut wp = Writer::new();
+        wp.write_u32(self.types.len() as u32);
+        for t in &self.types {
+            t.write_project(&mut wp);
+        }
+
+        let mut wd = Writer::new();
+        wd.write_u8(self.dat_indicator);
+        wd.write_bytes(&self.dat_magic);
+        wd.write_u8(self.dat_version);
+
+        // The compressible dat body: type count + per-type values + terminator.
+        let mut body = Writer::new();
+        body.write_u32(self.types.len() as u32);
+        for t in &self.types {
+            t.write_dat(&mut body);
+        }
+        body.write_u8(self.dat_version);
+        let body = body.into_bytes();
+
+        if self.v35 {
+            // Re-emit original packed bytes verbatim when unchanged (byte-exact). Else
+            // compress fresh (valid LZ4, content-exact).
+            match &self.dat_packed {
+                Some(orig) if lz4::unpack(orig).map(|b| b == body).unwrap_or(false) => {
+                    wd.write_bytes(orig);
+                }
+                _ => wd.write_bytes(&lz4::pack(&body)),
+            }
+        } else {
+            wd.write_bytes(&body);
+        }
+
+        (wp.into_bytes(), wd.into_bytes())
+    }
+}
+
+/// True if a database `.dat` carries the `W..OL.FM` container magic (`indicator 0` + magic).
+/// The legacy `SysDataBaseBasic.dat` (Wolf 2.x) does not. See [`BasicDatabase`].
+pub fn dat_has_db_magic(dat_bytes: &[u8]) -> bool {
+    dat_bytes.len() >= 9
+        && dat_bytes[0] == 0
+        && dat_bytes[1] == 0x57
+        && dat_bytes[7] == 0x46
+        && dat_bytes[8] == 0x4D
+}
+
+/// The legacy "basic system database" (`SysDataBaseBasic`, Wolf 2.x). Both halves predate the
+/// modern serialization. The `.dat` has no `W..OL.FM` container magic, and the `.project` uses
+/// an older field-metadata layout. It is an editor template, never referenced by command
+/// operands (the real `SysDatabase` is the system DB), so reversing its older schema buys no
+/// modding value. Both halves are carried verbatim. That keeps the pair byte-exact through a
+/// repack and never errors, consistent with the toolchain's "unknown bytes preserved" contract.
+#[derive(Debug, Clone, PartialEq, Eq)]
+pub struct BasicDatabase {
+    pub project_raw: Vec<u8>,
+    pub dat_raw: Vec<u8>,
+}
+
+impl BasicDatabase {
+    pub fn read(project_bytes: &[u8], dat_bytes: &[u8]) -> Result<Self> {
+        // A light sanity check so this isn't an accept-anything passthrough. The `.dat` must
+        // lack the container magic (else it is a normal `Database`), and the `.project` must
+        // start with a plausible type count.
+        if dat_has_db_magic(dat_bytes) {
+            return Err(Error::invalid(
+                "SysDataBaseBasic .dat has DB magic; read it as a normal Database",
+            ));
+        }
+        let type_cnt = Reader::new(project_bytes).read_u32()?;
+        if type_cnt > 10_000 {
+            return Err(Error::invalid(
+                "basic database .project type count implausible",
+            ));
+        }
+        Ok(BasicDatabase {
+            project_raw: project_bytes.to_vec(),
+            dat_raw: dat_bytes.to_vec(),
+        })
+    }
+
+    /// Returns `(project_bytes, dat_bytes)`, both carried verbatim.
+    pub fn write(&self) -> (Vec<u8>, Vec<u8>) {
+        (self.project_raw.clone(), self.dat_raw.clone())
+    }
+}
+
+impl DbType {
+    fn read_project(r: &mut Reader) -> Result<Self> {
+        let name = r.read_string()?;
+
+        let field_cnt = r.read_u32()? as usize;
+        let mut fields = Vec::with_capacity(field_cnt);
+        for _ in 0..field_cnt {
+            fields.push(DbField {
+                name: r.read_string()?,
+                type_byte: 0,
+                unknown1: WStr::default(),
+                string_args: Vec::new(),
+                args: Vec::new(),
+                default_value: 0,
+                index_info: 0,
+            });
+        }
+
+        let data_cnt = r.read_u32()? as usize;
+        let mut data = Vec::with_capacity(data_cnt);
+        for _ in 0..data_cnt {
+            data.push(DbData {
+                name: r.read_string()?,
+                int_values: Vec::new(),
+                string_values: Vec::new(),
+            });
+        }
+
+        let description = r.read_string()?;
+
+        let field_type_list_size = r.read_u32()?;
+        for f in &mut fields {
+            f.type_byte = r.read_u8()?;
+        }
+        let pad_len = (field_type_list_size as usize)
+            .checked_sub(fields.len())
+            .ok_or_else(|| Error::invalid("field_type_list_size smaller than field count"))?;
+        let field_type_pad = r.read_bytes(pad_len)?;
+
+        // Per-field metadata blocks. Each is preceded by a count that (for well-formed
+        // databases) equals the field count.
+        read_indexed(r, fields.len(), "unknown1", |r, i| {
+            fields[i].unknown1 = r.read_string()?;
+            Ok(())
+        })?;
+        read_indexed(r, fields.len(), "stringArgs", |r, i| {
+            fields[i].string_args = r.read_string_array()?;
+            Ok(())
+        })?;
+        read_indexed(r, fields.len(), "args", |r, i| {
+            fields[i].args = r.read_int_array()?;
+            Ok(())
+        })?;
+        read_indexed(r, fields.len(), "defaultValue", |r, i| {
+            fields[i].default_value = r.read_u32()?;
+            Ok(())
+        })?;
+
+        Ok(DbType {
+            name,
+            fields,
+            data,
+            description,
+            field_type_list_size,
+            field_type_pad,
+            dat_unknown1: 0,
+            dat_fields_size: 0,
+            dat_unknown2: None,
+        })
+    }
+
+    fn write_project(&self, w: &mut Writer) {
+        w.write_string(&self.name);
+        w.write_u32(self.fields.len() as u32);
+        for f in &self.fields {
+            w.write_string(&f.name);
+        }
+        w.write_u32(self.data.len() as u32);
+        for d in &self.data {
+            w.write_string(&d.name);
+        }
+        w.write_string(&self.description);
+
+        w.write_u32(self.field_type_list_size);
+        for f in &self.fields {
+            w.write_u8(f.type_byte);
+        }
+        w.write_bytes(&self.field_type_pad);
+
+        w.write_u32(self.fields.len() as u32);
+        for f in &self.fields {
+            w.write_string(&f.unknown1);
+        }
+        w.write_u32(self.fields.len() as u32);
+        for f in &self.fields {
+            w.write_string_array(&f.string_args);
+        }
+        w.write_u32(self.fields.len() as u32);
+        for f in &self.fields {
+            w.write_int_array(&f.args);
+        }
+        w.write_u32(self.fields.len() as u32);
+        for f in &self.fields {
+            w.write_u32(f.default_value);
+        }
+    }
+
+    fn read_dat(&mut self, r: &mut Reader) -> Result<()> {
+        r.verify(&TYPE_SEPARATOR, "database type separator")?;
+        self.dat_unknown1 = r.read_u32()?;
+        self.dat_fields_size = r.read_u32()?;
+        if self.dat_unknown1 == STRING_INDICATOR {
+            self.dat_unknown2 = Some(r.read_string()?);
+        }
+
+        let fields_size = self.dat_fields_size as usize;
+        if fields_size > self.fields.len() {
+            return Err(Error::invalid(format!(
+                "dat fields_size {} exceeds project field count {}",
+                fields_size,
+                self.fields.len()
+            )));
+        }
+        for f in self.fields.iter_mut().take(fields_size) {
+            f.index_info = r.read_u32()?;
+        }
+
+        let data_size = r.read_u32()? as usize;
+        if self.data.len() > data_size {
+            self.data.truncate(data_size);
+        }
+        if data_size > self.data.len() {
+            return Err(Error::invalid(format!(
+                "dat data_size {} exceeds project data count {}",
+                data_size,
+                self.data.len()
+            )));
+        }
+
+        let int_cnt = self
+            .fields
+            .iter()
+            .take(fields_size)
+            .filter(|f| !f.is_string())
+            .count();
+        let str_cnt = fields_size - int_cnt;
+
+        for datum in &mut self.data {
+            datum.int_values = Vec::with_capacity(int_cnt);
+            for _ in 0..int_cnt {
+                datum.int_values.push(r.read_u32()?);
+            }
+            datum.string_values = Vec::with_capacity(str_cnt);
+            for _ in 0..str_cnt {
+                datum.string_values.push(r.read_string()?);
+            }
+        }
+        Ok(())
+    }
+
+    fn write_dat(&self, w: &mut Writer) {
+        w.write_bytes(&TYPE_SEPARATOR);
+        w.write_u32(self.dat_unknown1);
+        w.write_u32(self.dat_fields_size);
+        if self.dat_unknown1 == STRING_INDICATOR {
+            // Always present in this branch. Default to an empty string if somehow missing.
+            let s = self.dat_unknown2.clone().unwrap_or_default();
+            w.write_string(&s);
+        }
+        let fields_size = self.dat_fields_size as usize;
+        for f in self.fields.iter().take(fields_size) {
+            w.write_u32(f.index_info);
+        }
+        w.write_u32(self.data.len() as u32);
+        for datum in &self.data {
+            for &v in &datum.int_values {
+                w.write_u32(v);
+            }
+            for s in &datum.string_values {
+                w.write_string(s);
+            }
+        }
+    }
+}
+
+/// Read a `count`-prefixed metadata block. Reads the stored count and applies it to
+/// `fields[0..count]`. Guards against the count exceeding the field vector.
+fn read_indexed(
+    r: &mut Reader,
+    field_count: usize,
+    label: &str,
+    mut apply: impl FnMut(&mut Reader, usize) -> Result<()>,
+) -> Result<()> {
+    let n = r.read_u32()? as usize;
+    if n > field_count {
+        return Err(Error::invalid(format!(
+            "database project '{label}' count {n} exceeds field count {field_count}"
+        )));
+    }
+    for i in 0..n {
+        apply(r, i)?;
+    }
+    Ok(())
+}
diff --git a/util/wolfdawn-master/crates/wolf-formats/src/game_dat.rs b/util/wolfdawn-master/crates/wolf-formats/src/game_dat.rs
new file mode 100644
index 0000000..01ffad3
--- /dev/null
+++ b/util/wolfdawn-master/crates/wolf-formats/src/game_dat.rs
@@ -0,0 +1,282 @@
+//! Game.dat: the per-game settings/title record. Carries the window title, the
+//! splash/title-screen messages, the editor font list and a handful of opaque size/offset
+//! housekeeping fields the engine uses internally.
+//!
+//! Layout on disk (plaintext case):
+//! `[crypt-indicator u8=0][9-byte magic][unknown1 byteArray][stringCount u32][strings...]
+//!  [fileSize u32][unknownSize u32][unknownWordSize u32][wordData][intOffset1 u32]
+//!  [intOffset2 u32][unknown2 tail]`.
+//!
+//! The leading indicator and any encrypted body are crypto-layer concerns. This reader handles
+//! the plaintext case (indicator 0) and errors otherwise.
+//!
+//! Write quirk: the engine recomputes `fileSize` and shifts `intOffset1`/`intOffset2` by the
+//! size delta on dump. To keep an unmodified file byte-exact, anchor the delta on the body size
+//! as read. An unchanged file yields `sizeDiff == 0`, so the three fields re-emit verbatim. An
+//! edited title shifts them by the exact byte delta.
+
+use crate::Ctx;
+use wolf_core::{Error, Reader, Result, WStr, Writer};
+
+/// `{0x57,00,00,0x4F,0x4C,00,0x46,0x4D,(00|'U')}`: "WOLFM" with a UTF-8 toggle at idx 8.
+const MAGIC_LEN: usize = 9;
+const UTF8_MARKER_INDEX: usize = 8;
+/// The fixed `magicString` (string index 1) every Game.dat carries.
+const MAGIC_STRING: &[u8] = b"0000-0000";
+
+#[derive(Debug, Clone, PartialEq, Eq)]
+pub struct GameDat {
+    /// Leading crypt-indicator byte (0 = plaintext).
+    pub indicator: u8,
+    pub magic: [u8; MAGIC_LEN],
+    pub utf8: bool,
+
+    /// Opaque header byte-array preceding the string table.
+    pub unknown1: Vec<u8>,
+    /// The on-disk string count. Gates which optional strings are present (see [`GameDat::read`]).
+    pub string_count: u32,
+
+    // The string table. Player-facing strings are kept as byte-preserving `WStr`.
+    /// String 0: the window/game title.
+    pub title: WStr,
+    /// String 1: the fixed `0000-0000` marker, preserved verbatim.
+    pub magic_string: WStr,
+    /// String 2: the decrypt key, stored as a raw byte-array (not a length-prefixed string).
+    pub decrypt_key: Vec<u8>,
+    /// String 3: the main editor font.
+    pub font: WStr,
+    /// Strings 4 to 6: the three fallback sub-fonts.
+    pub sub_fonts: Vec<WStr>,
+    /// String 7: the default protagonist graphic.
+    pub default_pc_graphic: WStr,
+    /// String 8 (present when `string_count >= 9`): the title-suffix or version string.
+    pub title_plus: Option<WStr>,
+    /// Strings 9 to 12 (present when `string_count > 9`): road image, gauge image, the start-up
+    /// message and the title message.
+    pub road_img: Option<WStr>,
+    pub gauge_img: Option<WStr>,
+    pub start_up_msg: Option<WStr>,
+    pub title_msg: Option<WStr>,
+    /// String 14 (present when `string_count > 13`): an opaque trailing string.
+    pub unknown_string14: Option<WStr>,
+
+    // Size/offset housekeeping (recomputed on write, see module docs).
+    pub file_size: u32,
+    pub unknown_size: u32,
+    pub unknown_word_size: u32,
+    /// `unknown_word_size * 2` opaque bytes.
+    pub unknown_word_data: Vec<u8>,
+    pub int_offset1: u32,
+    pub int_offset2: u32,
+    /// Everything after `int_offset2` until EOF (opaque editor tail).
+    pub unknown2: Vec<u8>,
+
+    /// The body size (everything after the indicator byte) as computed from the data at read
+    /// time. The write-time `sizeDiff` is `calc_body_size() - body_size_at_read`, so an
+    /// unmodified file re-serializes byte-exact (delta 0) while an edit shifts the offsets by the
+    /// exact byte delta.
+    body_size_at_read: u32,
+}
+
+impl GameDat {
+    pub fn read(bytes: &[u8]) -> Result<Self> {
+        let mut r = Reader::new(bytes);
+
+        let indicator = r.read_u8()?;
+        if indicator != 0 {
+            return Err(Error::invalid(
+                "Game.dat is encrypted (indicator != 0); decrypt with wolf-archive first",
+            ));
+        }
+
+        let magic_vec = r.read_bytes(MAGIC_LEN)?;
+        if magic_vec[0] != 0x57 || magic_vec[6] != 0x46 || magic_vec[7] != 0x4D {
+            return Err(Error::invalid("not a Game.dat (magic mismatch)"));
+        }
+        let mut magic = [0u8; MAGIC_LEN];
+        magic.copy_from_slice(&magic_vec);
+        let utf8 = magic[UTF8_MARKER_INDEX] == b'U';
+        let _ = Ctx { utf8, v35: false };
+
+        let unknown1 = r.read_byte_array()?;
+        let string_count = r.read_u32()?;
+
+        // String 0
+        let title = r.read_string()?;
+        // String 1 (the fixed marker)
+        let magic_string = r.read_string()?;
+        if magic_string.as_bytes().strip_suffix(&[0u8]).unwrap_or(magic_string.as_bytes())
+            != MAGIC_STRING
+        {
+            return Err(Error::invalid(format!(
+                "Game.dat invalid magic string: {:?}",
+                magic_string.to_lossy()
+            )));
+        }
+        // String 2 (a byte-array, not a string)
+        let decrypt_key = r.read_byte_array()?;
+        // String 3
+        let font = r.read_string()?;
+        // Strings 4-6
+        let mut sub_fonts = Vec::with_capacity(3);
+        for _ in 0..3 {
+            sub_fonts.push(r.read_string()?);
+        }
+        // String 7
+        let default_pc_graphic = r.read_string()?;
+
+        // String 8
+        let title_plus = if string_count >= 9 {
+            Some(r.read_string()?)
+        } else {
+            None
+        };
+
+        // Strings 9-12
+        let (road_img, gauge_img, start_up_msg, title_msg) = if string_count > 9 {
+            (
+                Some(r.read_string()?),
+                Some(r.read_string()?),
+                Some(r.read_string()?),
+                Some(r.read_string()?),
+            )
+        } else {
+            (None, None, None, None)
+        };
+
+        // String 14
+        let unknown_string14 = if string_count > 13 {
+            Some(r.read_string()?)
+        } else {
+            None
+        };
+
+        let file_size = r.read_u32()?;
+        let unknown_size = r.read_u32()?;
+        let unknown_word_size = r.read_u32()?;
+        let unknown_word_data = r.read_bytes(unknown_word_size as usize * 2)?;
+        let int_offset1 = r.read_u32()?;
+        let int_offset2 = r.read_u32()?;
+        let unknown2 = r.read_bytes(r.remaining())?;
+
+        if !r.is_eof() {
+            return Err(Error::invalid("Game.dat has trailing data"));
+        }
+
+        let mut gd = GameDat {
+            indicator,
+            magic,
+            utf8,
+            unknown1,
+            string_count,
+            title,
+            magic_string,
+            decrypt_key,
+            font,
+            sub_fonts,
+            default_pc_graphic,
+            title_plus,
+            road_img,
+            gauge_img,
+            start_up_msg,
+            title_msg,
+            unknown_string14,
+            file_size,
+            unknown_size,
+            unknown_word_size,
+            unknown_word_data,
+            int_offset1,
+            int_offset2,
+            unknown2,
+            body_size_at_read: 0,
+        };
+        gd.body_size_at_read = gd.calc_body_size();
+        Ok(gd)
+    }
+
+    pub fn write(&self) -> Vec<u8> {
+        // The size delta vs. the data as read. It is 0 for an unmodified file (byte-exact), else
+        // the exact byte difference, applied to the three housekeeping fields.
+        let new_size = self.calc_body_size();
+        let size_diff = new_size as i64 - self.body_size_at_read as i64;
+        let shift = |v: u32| -> u32 { (v as i64 + size_diff) as u32 };
+
+        let mut w = Writer::new();
+        w.write_u8(self.indicator);
+        w.write_bytes(&self.magic);
+
+        w.write_byte_array(&self.unknown1);
+        w.write_u32(self.string_count);
+
+        w.write_string(&self.title);
+        w.write_string(&self.magic_string);
+        w.write_byte_array(&self.decrypt_key);
+        w.write_string(&self.font);
+        for f in &self.sub_fonts {
+            w.write_string(f);
+        }
+        w.write_string(&self.default_pc_graphic);
+        if let Some(s) = &self.title_plus {
+            w.write_string(s);
+        }
+        if let (Some(r), Some(g), Some(s), Some(t)) =
+            (&self.road_img, &self.gauge_img, &self.start_up_msg, &self.title_msg)
+        {
+            w.write_string(r);
+            w.write_string(g);
+            w.write_string(s);
+            w.write_string(t);
+        }
+        if let Some(s) = &self.unknown_string14 {
+            w.write_string(s);
+        }
+
+        w.write_u32(shift(self.file_size));
+        w.write_u32(self.unknown_size);
+        w.write_u32(self.unknown_word_size);
+        w.write_bytes(&self.unknown_word_data);
+        w.write_u32(shift(self.int_offset1));
+        w.write_u32(shift(self.int_offset2));
+        w.write_bytes(&self.unknown2);
+
+        w.into_bytes()
+    }
+
+    /// The body size everything after the indicator byte serializes to (magic + string table +
+    /// housekeeping fields + tail). Excludes the leading crypt indicator. Used to anchor the
+    /// write-time `sizeDiff`.
+    fn calc_body_size(&self) -> u32 {
+        let str_size = |s: &WStr| s.len() + 4; // u32 length prefix + bytes
+        let mut size = MAGIC_LEN;
+        size += self.unknown1.len() + 4;
+        size += 4; // string_count
+        size += str_size(&self.title);
+        size += str_size(&self.magic_string);
+        size += self.decrypt_key.len() + 4;
+        size += str_size(&self.font);
+        for f in &self.sub_fonts {
+            size += str_size(f);
+        }
+        size += str_size(&self.default_pc_graphic);
+        if let Some(s) = &self.title_plus {
+            size += str_size(s);
+        }
+        for s in [&self.road_img, &self.gauge_img, &self.start_up_msg, &self.title_msg]
+            .into_iter()
+            .flatten()
+        {
+            size += str_size(s);
+        }
+        if let Some(s) = &self.unknown_string14 {
+            size += str_size(s);
+        }
+        size += 4; // file_size
+        size += 4; // unknown_size
+        size += 4; // unknown_word_size
+        size += self.unknown_word_data.len();
+        size += 4; // int_offset1
+        size += 4; // int_offset2
+        size += self.unknown2.len();
+        size as u32
+    }
+}
diff --git a/util/wolfdawn-master/crates/wolf-formats/src/lib.rs b/util/wolfdawn-master/crates/wolf-formats/src/lib.rs
new file mode 100644
index 0000000..1742d73
--- /dev/null
+++ b/util/wolfdawn-master/crates/wolf-formats/src/lib.rs
@@ -0,0 +1,26 @@
+//! `wolf-formats`: byte-faithful, typed (de)serialization of Wolf RPG data files.
+//!
+//! Each format exposes `read(&[u8]) -> Result<T>` and `T::write(&self) -> Vec<u8>`.
+//! The contract is round-trip fidelity. For an unmodified plaintext file,
+//! `write(read(bytes)) == bytes`. Anything not yet understood is preserved verbatim
+//! as opaque bytes rather than dropped, so recompiled files always remain loadable.
+
+#![forbid(unsafe_code)]
+
+pub mod command;
+pub mod common_event;
+pub mod database;
+pub mod game_dat;
+pub mod map;
+
+pub use wolf_core::{Error, Reader, Result, WStr, Writer};
+
+/// Context threaded through a load/dump so per-command behaviour matches the owning
+/// file. Encoding and v3.5 mode are passed explicitly rather than via globals.
+#[derive(Debug, Clone, Copy, Default)]
+pub struct Ctx {
+    /// File strings are UTF-8 (magic toggle byte == `'U'`), else Shift-JIS.
+    pub utf8: bool,
+    /// Wolf Pro v3.5 file: every command carries a trailing length-prefixed blob.
+    pub v35: bool,
+}
diff --git a/util/wolfdawn-master/crates/wolf-formats/src/map.rs b/util/wolfdawn-master/crates/wolf-formats/src/map.rs
new file mode 100644
index 0000000..ff6a32e
--- /dev/null
+++ b/util/wolfdawn-master/crates/wolf-formats/src/map.rs
@@ -0,0 +1,383 @@
+//! Map file (`.mps`): `WOLFM` magic, tileset/size header, opaque tile grid, then a
+//! list of events, each with pages that hold the event command program.
+//!
+//! The LZ4-compressed body of v3.5 maps (version >= 0x65) is not yet handled. The local
+//! corpus is version 0x64 (plain).
+
+use crate::command::{read_route_list, write_route_list, RawCommand, RouteCommand};
+use crate::Ctx;
+use wolf_core::codec::lz4;
+use wolf_core::{Error, Reader, Result, WStr, Writer};
+
+const MAGIC_LEN: usize = 20;
+const WOLFM: &[u8] = b"WOLFM";
+const UTF8_MARKER_INDEX: usize = 16;
+
+const EVENT_INDICATOR: u8 = 0x6F;
+const MAP_TERMINATOR: u8 = 0x66;
+const PAGE_INDICATOR: u8 = 0x79;
+const EVENT_TERMINATOR: u8 = 0x70;
+const PAGE_TERMINATOR: u8 = 0x7A;
+
+const EVENT_MAGIC1: [u8; 4] = [0x39, 0x30, 0x00, 0x00];
+const EVENT_MAGIC2: [u8; 4] = [0x00, 0x00, 0x00, 0x00];
+
+const LZ4_VERSION_GATE: u32 = 0x65;
+const V35_VERSION_GATE: u32 = 0x67;
+
+#[derive(Debug, Clone, PartialEq, Eq)]
+pub struct Map {
+    /// The full 20-byte magic, kept verbatim (the byte at index 16 is `'U'` for UTF-8).
+    pub magic: [u8; MAGIC_LEN],
+    pub version: u32,
+    pub unknown2: u8,
+    pub unknown3: WStr,
+    pub tileset_id: u32,
+    pub width: u32,
+    pub height: u32,
+    /// Present only for version >= 0x67.
+    pub unknown4: Option<u32>,
+    /// Layer count (3 by default, explicit since v3.5). Used to size the tile grid.
+    pub layer_count: u32,
+    /// Raw tile grid bytes (`width * height * layer_count * 4`), opaque for now.
+    pub tiles: Vec<u8>,
+    /// UTF-8 maps may store a `0xFFFFFFFF` marker meaning "no tile grid".
+    pub no_tiles_marker: bool,
+    pub events: Vec<Event>,
+    pub utf8: bool,
+    /// For v3.5 maps (version >= 0x65): the original framed LZ4 body
+    /// `[decSize][encSize][block]`, kept so an unmodified map re-emits byte-exact.
+    pub packed: Option<Vec<u8>>,
+}
+
+impl Map {
+    pub fn read(bytes: &[u8]) -> Result<Self> {
+        let mut r = Reader::new(bytes);
+
+        let magic_vec = r.read_bytes(MAGIC_LEN)?;
+        if &magic_vec[10..15] != WOLFM {
+            return Err(Error::invalid("not a WOLFM map (magic mismatch)"));
+        }
+        let mut magic = [0u8; MAGIC_LEN];
+        magic.copy_from_slice(&magic_vec);
+        let utf8 = magic[UTF8_MARKER_INDEX] == b'U';
+
+        let version = r.read_u32()?;
+        let unknown2 = r.read_u8()?;
+
+        let ctx = Ctx {
+            utf8,
+            v35: version >= V35_VERSION_GATE,
+        };
+
+        // v3.5 maps (version >= 0x65) LZ4-compress everything after [magic][version][unknown2].
+        let rem = r.remaining();
+        let (packed, body): (Option<Vec<u8>>, Vec<u8>) = if version >= LZ4_VERSION_GATE {
+            let framed = r.read_bytes(rem)?;
+            let decompressed = lz4::unpack(&framed)?;
+            (Some(framed), decompressed)
+        } else {
+            (None, r.read_bytes(rem)?)
+        };
+        let mut r = Reader::new(&body);
+
+        let unknown3 = r.read_string()?;
+        let tileset_id = r.read_u32()?;
+        let width = r.read_u32()?;
+        let height = r.read_u32()?;
+        let event_count = r.read_u32()? as usize;
+
+        let mut unknown4 = None;
+        let mut layer_count = 3u32;
+        if version >= V35_VERSION_GATE {
+            unknown4 = Some(r.read_u32()?);
+            layer_count = r.read_u32()?;
+        }
+
+        // UTF-8 maps may signal an absent tile grid with a 0xFFFFFFFF sentinel.
+        let mut no_tiles_marker = false;
+        let mut tiles = Vec::new();
+        if utf8 && r.peek_u32()? == 0xFFFF_FFFF {
+            r.read_u32()?;
+            no_tiles_marker = true;
+        }
+        if !no_tiles_marker {
+            let tile_bytes = (width as usize)
+                .saturating_mul(height as usize)
+                .saturating_mul(layer_count as usize)
+                .saturating_mul(4);
+            tiles = r.read_bytes(tile_bytes)?;
+        }
+
+        let mut events = Vec::with_capacity(event_count);
+        loop {
+            let indicator = r.read_u8()?;
+            if indicator == MAP_TERMINATOR {
+                break;
+            }
+            if indicator != EVENT_INDICATOR {
+                return Err(Error::invalid(format!(
+                    "unexpected map event indicator 0x{indicator:02x} (expected 0x6F or 0x66)"
+                )));
+            }
+            events.push(Event::read(&mut r, &ctx)?);
+        }
+
+        if events.len() != event_count {
+            return Err(Error::invalid(format!(
+                "map declared {event_count} events but read {}",
+                events.len()
+            )));
+        }
+        if !r.is_eof() {
+            return Err(Error::invalid("map has trailing data after terminator"));
+        }
+
+        Ok(Map {
+            magic,
+            version,
+            unknown2,
+            unknown3,
+            tileset_id,
+            width,
+            height,
+            unknown4,
+            layer_count,
+            tiles,
+            no_tiles_marker,
+            events,
+            utf8,
+            packed,
+        })
+    }
+
+    pub fn write(&self) -> Vec<u8> {
+        let ctx = Ctx {
+            utf8: self.utf8,
+            v35: self.version >= V35_VERSION_GATE,
+        };
+        let mut w = Writer::with_capacity(self.tiles.len() + 4096);
+
+        // The fixed, never-compressed header.
+        w.write_bytes(&self.magic);
+        w.write_u32(self.version);
+        w.write_u8(self.unknown2);
+
+        // The compressible body: everything from unknown3 to the map terminator.
+        let mut body = Writer::with_capacity(self.tiles.len() + 4096);
+        body.write_string(&self.unknown3);
+        body.write_u32(self.tileset_id);
+        body.write_u32(self.width);
+        body.write_u32(self.height);
+        body.write_u32(self.events.len() as u32);
+
+        if self.version >= V35_VERSION_GATE {
+            body.write_u32(self.unknown4.unwrap_or(0));
+            body.write_u32(self.layer_count);
+        }
+
+        if self.no_tiles_marker {
+            body.write_u32(0xFFFF_FFFF);
+        } else {
+            body.write_bytes(&self.tiles);
+        }
+
+        for event in &self.events {
+            body.write_u8(EVENT_INDICATOR);
+            event.write(&mut body, &ctx);
+        }
+        body.write_u8(MAP_TERMINATOR);
+        let body = body.into_bytes();
+
+        if self.version >= LZ4_VERSION_GATE {
+            // Re-emit original packed bytes verbatim when unchanged (byte-exact). Else
+            // compress fresh (valid LZ4, content-exact).
+            match &self.packed {
+                Some(orig) if lz4::unpack(orig).map(|b| b == body).unwrap_or(false) => {
+                    w.write_bytes(orig);
+                }
+                _ => w.write_bytes(&lz4::pack(&body)),
+            }
+        } else {
+            w.write_bytes(&body);
+        }
+
+        w.into_bytes()
+    }
+}
+
+#[derive(Debug, Clone, PartialEq, Eq)]
+pub struct Event {
+    pub id: u32,
+    pub name: WStr,
+    pub x: u32,
+    pub y: u32,
+    pub pages: Vec<Page>,
+}
+
+impl Event {
+    fn read(r: &mut Reader, ctx: &Ctx) -> Result<Self> {
+        r.verify(&EVENT_MAGIC1, "event magic1")?;
+        let id = r.read_u32()?;
+        let name = r.read_string()?;
+        let x = r.read_u32()?;
+        let y = r.read_u32()?;
+        let page_count = r.read_u32()? as usize;
+        r.verify(&EVENT_MAGIC2, "event magic2")?;
+
+        let mut pages = Vec::with_capacity(page_count);
+        loop {
+            let indicator = r.read_u8()?;
+            if indicator == EVENT_TERMINATOR {
+                break;
+            }
+            if indicator != PAGE_INDICATOR {
+                return Err(Error::invalid(format!(
+                    "unexpected event page indicator 0x{indicator:02x} (expected 0x79 or 0x70)"
+                )));
+            }
+            pages.push(Page::read(r, ctx)?);
+        }
+
+        if pages.len() != page_count {
+            return Err(Error::invalid(format!(
+                "event {id} declared {page_count} pages but read {}",
+                pages.len()
+            )));
+        }
+
+        Ok(Event {
+            id,
+            name,
+            x,
+            y,
+            pages,
+        })
+    }
+
+    fn write(&self, w: &mut Writer, ctx: &Ctx) {
+        w.write_bytes(&EVENT_MAGIC1);
+        w.write_u32(self.id);
+        w.write_string(&self.name);
+        w.write_u32(self.x);
+        w.write_u32(self.y);
+        w.write_u32(self.pages.len() as u32);
+        w.write_bytes(&EVENT_MAGIC2);
+        for page in &self.pages {
+            w.write_u8(PAGE_INDICATOR);
+            page.write(w, ctx);
+        }
+        w.write_u8(EVENT_TERMINATOR);
+    }
+}
+
+#[derive(Debug, Clone, PartialEq, Eq)]
+pub struct Page {
+    pub unknown1: u32,
+    pub graphic_name: WStr,
+    pub graphic_direction: u8,
+    pub graphic_frame: u8,
+    pub graphic_opacity: u8,
+    pub graphic_render_mode: u8,
+    /// 37 opaque condition bytes (1 + 4 + 16 + 16).
+    pub conditions: Vec<u8>,
+    /// 4 opaque movement bytes.
+    pub movement: Vec<u8>,
+    pub flags: u8,
+    pub route_flags: u8,
+    pub route: Vec<RouteCommand>,
+    pub commands: Vec<RawCommand>,
+    pub features: u32,
+    pub shadow_graphic_num: u8,
+    pub collision_width: u8,
+    pub collision_height: u8,
+    /// Present only when `features > 3`.
+    pub page_transfer: Option<u8>,
+}
+
+impl Page {
+    fn read(r: &mut Reader, ctx: &Ctx) -> Result<Self> {
+        let unknown1 = r.read_u32()?;
+        let graphic_name = r.read_string()?;
+        let graphic_direction = r.read_u8()?;
+        let graphic_frame = r.read_u8()?;
+        let graphic_opacity = r.read_u8()?;
+        let graphic_render_mode = r.read_u8()?;
+        let conditions = r.read_bytes(37)?;
+        let movement = r.read_bytes(4)?;
+        let flags = r.read_u8()?;
+        let route_flags = r.read_u8()?;
+        let route = read_route_list(r)?;
+
+        let command_count = r.read_u32()? as usize;
+        let mut commands = Vec::with_capacity(command_count);
+        for _ in 0..command_count {
+            commands.push(RawCommand::read(r, ctx)?);
+        }
+
+        let features = r.read_u32()?;
+        let shadow_graphic_num = r.read_u8()?;
+        let collision_width = r.read_u8()?;
+        let collision_height = r.read_u8()?;
+        let page_transfer = if features > 3 {
+            Some(r.read_u8()?)
+        } else {
+            None
+        };
+
+        let terminator = r.read_u8()?;
+        if terminator != PAGE_TERMINATOR {
+            return Err(Error::invalid(format!(
+                "page terminator was 0x{terminator:02x}, expected 0x7A"
+            )));
+        }
+
+        Ok(Page {
+            unknown1,
+            graphic_name,
+            graphic_direction,
+            graphic_frame,
+            graphic_opacity,
+            graphic_render_mode,
+            conditions,
+            movement,
+            flags,
+            route_flags,
+            route,
+            commands,
+            features,
+            shadow_graphic_num,
+            collision_width,
+            collision_height,
+            page_transfer,
+        })
+    }
+
+    fn write(&self, w: &mut Writer, ctx: &Ctx) {
+        w.write_u32(self.unknown1);
+        w.write_string(&self.graphic_name);
+        w.write_u8(self.graphic_direction);
+        w.write_u8(self.graphic_frame);
+        w.write_u8(self.graphic_opacity);
+        w.write_u8(self.graphic_render_mode);
+        w.write_bytes(&self.conditions);
+        w.write_bytes(&self.movement);
+        w.write_u8(self.flags);
+        w.write_u8(self.route_flags);
+        write_route_list(w, &self.route);
+
+        w.write_u32(self.commands.len() as u32);
+        for c in &self.commands {
+            c.write(w, ctx);
+        }
+
+        w.write_u32(self.features);
+        w.write_u8(self.shadow_graphic_num);
+        w.write_u8(self.collision_width);
+        w.write_u8(self.collision_height);
+        if let Some(pt) = self.page_transfer {
+            w.write_u8(pt);
+        }
+        w.write_u8(PAGE_TERMINATOR);
+    }
+}
diff --git a/util/wolfdawn-master/crates/wolf-formats/tests/all_versions.rs b/util/wolfdawn-master/crates/wolf-formats/tests/all_versions.rs
new file mode 100644
index 0000000..9334396
--- /dev/null
+++ b/util/wolfdawn-master/crates/wolf-formats/tests/all_versions.rs
@@ -0,0 +1,165 @@
+//! Cross-version format coverage: round-trip every Wolf editor version's loose Data/ files
+//! (CommonEvent, maps, databases) byte-exact. Reveals decoder version gaps.
+//!   cargo test -p wolf-formats --test all_versions -- --nocapture
+use std::path::{Path, PathBuf};
+
+use wolf_formats::common_event::CommonEventsFile;
+use wolf_formats::database::Database;
+use wolf_formats::map::Map;
+
+fn versions_root() -> PathBuf {
+    PathBuf::from(env!("CARGO_MANIFEST_DIR"))
+        .join("..")
+        .join("..")
+        .join("..")
+        .join("ALLWOLFVERSIONS")
+}
+
+fn find(dir: &Path, name: &str) -> Option<PathBuf> {
+    let mut stack = vec![dir.to_path_buf()];
+    while let Some(d) = stack.pop() {
+        let Ok(rd) = std::fs::read_dir(&d) else {
+            continue;
+        };
+        for e in rd.flatten() {
+            let p = e.path();
+            if p.is_dir() {
+                stack.push(p);
+            } else if p.file_name().and_then(|s| s.to_str()) == Some(name) {
+                return Some(p);
+            }
+        }
+    }
+    None
+}
+
+fn find_all_mps(dir: &Path) -> Vec<PathBuf> {
+    let mut out = Vec::new();
+    let mut stack = vec![dir.to_path_buf()];
+    while let Some(d) = stack.pop() {
+        let Ok(rd) = std::fs::read_dir(&d) else {
+            continue;
+        };
+        for e in rd.flatten() {
+            let p = e.path();
+            if p.is_dir() {
+                stack.push(p);
+            } else if p.extension().and_then(|s| s.to_str()) == Some("mps") {
+                out.push(p);
+            }
+        }
+    }
+    out
+}
+
+#[test]
+fn all_wolf_versions_round_trip() {
+    let root = versions_root();
+    let Ok(dirs) = std::fs::read_dir(&root) else {
+        eprintln!("no ALLWOLFVERSIONS");
+        return;
+    };
+    let mut editors: Vec<PathBuf> = dirs
+        .flatten()
+        .map(|e| e.path())
+        .filter(|p| p.is_dir())
+        .collect();
+    editors.sort();
+
+    let mut total_ok = 0;
+    let mut total_fail = 0;
+    for ed in &editors {
+        let name = ed.file_name().unwrap().to_string_lossy().into_owned();
+        let mut ok = 0;
+        let mut fails: Vec<String> = Vec::new();
+
+        // CommonEvent.dat
+        if let Some(p) = find(ed, "CommonEvent.dat") {
+            match std::fs::read(&p)
+                .map(|b| (CommonEventsFile::read(&b).map(|ce| ce.write() == b), b))
+            {
+                Ok((Ok(true), _)) => ok += 1,
+                Ok((Ok(false), _)) => fails.push("CommonEvent:diff".into()),
+                Ok((Err(e), b)) => fails.push(format!(
+                    "CommonEvent:ERR(v{:#x}):{}",
+                    b.get(10).copied().unwrap_or(0),
+                    short(&e.to_string())
+                )),
+                _ => {}
+            }
+        }
+        // Maps
+        let mut map_ok = 0;
+        let mut map_fail = 0;
+        for mp in find_all_mps(ed) {
+            let Ok(b) = std::fs::read(&mp) else { continue };
+            match Map::read(&b) {
+                Ok(m) if m.write() == b => map_ok += 1,
+                Ok(_) => map_fail += 1,
+                Err(_) => map_fail += 1,
+            }
+        }
+        if map_fail == 0 && map_ok > 0 {
+            ok += 1;
+        } else if map_fail > 0 {
+            fails.push(format!("maps:{map_ok}ok/{map_fail}fail"));
+        }
+        // Databases (name varies: SysDatabase vs SysDataBaseBasic)
+        for (proj, dat) in db_candidates(ed) {
+            let (Ok(pb), Ok(db)) = (std::fs::read(&proj), std::fs::read(&dat)) else {
+                continue;
+            };
+            match Database::read(&pb, &db) {
+                Ok(d) => {
+                    let (po, dd) = d.write();
+                    if po == pb && dd == db {
+                        ok += 1;
+                    } else {
+                        fails.push(format!("{}:diff", stem(&dat)));
+                    }
+                }
+                Err(e) => fails.push(format!("{}:ERR:{}", stem(&dat), short(&e.to_string()))),
+            }
+        }
+
+        if fails.is_empty() {
+            total_ok += 1;
+            eprintln!("  OK   {name}  ({ok} file-groups)");
+        } else {
+            total_fail += 1;
+            eprintln!("  FAIL {name}  ok={ok}  -> {}", fails.join(", "));
+        }
+    }
+    let total = total_ok + total_fail;
+    eprintln!(
+        "\nversions fully round-tripping (excl. legacy v2 SysDataBaseBasic): {total_ok}/{total}"
+    );
+    if total > 0 {
+        assert_eq!(
+            total_fail, 0,
+            "some Wolf version's core data did not round-trip byte-exact"
+        );
+    }
+}
+
+/// The standard databases. The legacy v2 `SysDataBaseBasic` is a different pre-v3 format
+/// (no `OLUFM` magic) and is intentionally excluded. This is a documented known gap.
+fn db_candidates(ed: &Path) -> Vec<(PathBuf, PathBuf)> {
+    let mut out = Vec::new();
+    for stem in ["DataBase", "CDataBase", "SysDatabase"] {
+        if let Some(proj) = find(ed, &format!("{stem}.project")) {
+            let dat = proj.with_extension("dat");
+            if dat.exists() {
+                out.push((proj, dat));
+            }
+        }
+    }
+    out
+}
+
+fn stem(p: &Path) -> String {
+    p.file_stem().unwrap().to_string_lossy().into_owned()
+}
+fn short(s: &str) -> String {
+    s.chars().take(40).collect()
+}
diff --git a/util/wolfdawn-master/crates/wolf-formats/tests/archive_end_to_end.rs b/util/wolfdawn-master/crates/wolf-formats/tests/archive_end_to_end.rs
new file mode 100644
index 0000000..2fc3eac
--- /dev/null
+++ b/util/wolfdawn-master/crates/wolf-formats/tests/archive_end_to_end.rs
@@ -0,0 +1,81 @@
+//! End-to-end gate: unpack `Data.wolf` (the real DXArchive/Wolf v3.14 container) and prove
+//! the extracted inner files are *complete, valid* Wolf files by parsing them and
+//! round-tripping them byte-exact through `wolf-formats`. This proves the archive decode
+//! (key + Huffman + LZSS) is byte-perfect even where the loose `Data/` is a different build.
+//!   cargo test -p wolf-formats --test archive_end_to_end -- --nocapture
+
+use std::path::PathBuf;
+
+use wolf_formats::common_event::CommonEventsFile;
+use wolf_formats::database::Database;
+use wolf_formats::map::Map;
+
+fn root() -> PathBuf {
+    PathBuf::from(env!("CARGO_MANIFEST_DIR"))
+        .join("..")
+        .join("..")
+        .join("..")
+}
+
+#[test]
+fn data_wolf_inner_files_parse_and_roundtrip() {
+    let Ok(bytes) = std::fs::read(root().join("Data.wolf")) else {
+        eprintln!("Data.wolf not present, skipping");
+        return;
+    };
+    let files = wolf_archive::extract_archive(&bytes, wolf_archive::DEFAULT_WOLF_PRO_KEY)
+        .expect("decode Data.wolf");
+    let get = |name: &str| -> Vec<u8> {
+        files
+            .iter()
+            .find(|(p, _)| p.replace('\\', "/") == name)
+            .unwrap_or_else(|| panic!("{name} not found in archive"))
+            .1
+            .clone()
+    };
+
+    // CommonEvent.dat: parse + byte-exact round-trip.
+    let ce_bytes = get("BasicData/CommonEvent.dat");
+    let ce = CommonEventsFile::read(&ce_bytes).expect("parse extracted CommonEvent.dat");
+    assert_eq!(
+        ce.write(),
+        ce_bytes,
+        "extracted CommonEvent.dat must round-trip byte-exact"
+    );
+    eprintln!(
+        "CommonEvent.dat: {} events, {} bytes, round-trip OK",
+        ce.events.len(),
+        ce_bytes.len()
+    );
+
+    // Every map: parse + byte-exact round-trip.
+    let mut maps = 0;
+    for (path, data) in &files {
+        if !path.to_ascii_lowercase().ends_with(".mps") {
+            continue;
+        }
+        let m = Map::read(data).unwrap_or_else(|e| panic!("parse {path}: {e}"));
+        assert_eq!(
+            &m.write(),
+            data,
+            "extracted {path} must round-trip byte-exact"
+        );
+        maps += 1;
+    }
+    eprintln!("maps: {maps} parsed + round-tripped byte-exact");
+    assert!(maps > 0, "expected maps in the archive");
+
+    // The three databases: parse + byte-exact round-trip.
+    for (proj, dat) in [
+        ("BasicData/DataBase.project", "BasicData/DataBase.dat"),
+        ("BasicData/CDataBase.project", "BasicData/CDataBase.dat"),
+        ("BasicData/SysDatabase.project", "BasicData/SysDatabase.dat"),
+    ] {
+        let (pb, db_bytes) = (get(proj), get(dat));
+        let db = Database::read(&pb, &db_bytes).unwrap_or_else(|e| panic!("parse {dat}: {e}"));
+        let (po, dout) = db.write();
+        assert_eq!(po, pb, "{proj} round-trip");
+        assert_eq!(dout, db_bytes, "{dat} round-trip");
+    }
+    eprintln!("3 databases parsed + round-tripped byte-exact");
+}
diff --git a/util/wolfdawn-master/crates/wolf-formats/tests/basic_database.rs b/util/wolfdawn-master/crates/wolf-formats/tests/basic_database.rs
new file mode 100644
index 0000000..a5089fc
--- /dev/null
+++ b/util/wolfdawn-master/crates/wolf-formats/tests/basic_database.rs
@@ -0,0 +1,69 @@
+//! Legacy `SysDataBaseBasic` (Wolf 2.x) round-trip gate: the `.project` schema is parsed and
+//! re-emitted byte-exact, the magic-less `.dat` is carried opaque, so the pair reproduces
+//! byte-for-byte. This file is preserved losslessly rather than dropped.
+//!   cargo test -p wolf-formats --test basic_database -- --nocapture
+
+use std::path::{Path, PathBuf};
+
+use wolf_formats::database::{dat_has_db_magic, BasicDatabase};
+
+fn root() -> PathBuf {
+    PathBuf::from(env!("CARGO_MANIFEST_DIR"))
+        .join("..")
+        .join("..")
+        .join("..")
+        .join("ALLWOLFVERSIONS")
+}
+
+/// Collect every `SysDataBaseBasic.project` under `dir`.
+fn collect(dir: &Path, out: &mut Vec<PathBuf>) {
+    let Ok(rd) = std::fs::read_dir(dir) else {
+        return;
+    };
+    for e in rd.flatten() {
+        let p = e.path();
+        if p.is_dir() {
+            collect(&p, out);
+        } else if p.file_name().and_then(|s| s.to_str()) == Some("SysDataBaseBasic.project") {
+            out.push(p);
+        }
+    }
+}
+
+#[test]
+fn basic_database_round_trips_byte_exact() {
+    let mut projects = Vec::new();
+    collect(&root(), &mut projects);
+    projects.sort();
+    projects.dedup();
+
+    if projects.is_empty() {
+        eprintln!("no SysDataBaseBasic found, skipping");
+        return;
+    }
+
+    let mut ok = 0usize;
+    for proj in &projects {
+        let dat = proj.with_extension("dat");
+        let (Ok(pb), Ok(db_)) = (std::fs::read(proj), std::fs::read(&dat)) else {
+            continue;
+        };
+        // The legacy .dat must indeed lack the container magic (else it is a normal DB).
+        assert!(
+            !dat_has_db_magic(&db_),
+            "{} unexpectedly has DB magic",
+            dat.display()
+        );
+
+        let parsed = BasicDatabase::read(&pb, &db_).expect("basic database parses");
+        let (proj_out, dat_out) = parsed.write();
+        assert_eq!(proj_out, pb, "{}: .project not byte-exact", proj.display());
+        assert_eq!(dat_out, db_, "{}: .dat not byte-exact", dat.display());
+        ok += 1;
+    }
+    eprintln!(
+        "SysDataBaseBasic byte-exact round-trips: {ok}/{}",
+        projects.len()
+    );
+    assert!(ok > 0, "no basic databases were exercised");
+}
diff --git a/util/wolfdawn-master/crates/wolf-formats/tests/gamepro_probe.rs b/util/wolfdawn-master/crates/wolf-formats/tests/gamepro_probe.rs
new file mode 100644
index 0000000..1aa485d
--- /dev/null
+++ b/util/wolfdawn-master/crates/wolf-formats/tests/gamepro_probe.rs
@@ -0,0 +1,146 @@
+//! Diagnostic probe (reports, never asserts): point our readers at a second, Wolf-Pro
+//! game's files to discover format/version/encryption gaps. Run with:
+//!   cargo test -p wolf-formats --test gamepro_probe -- --nocapture
+
+use std::path::PathBuf;
+
+use wolf_formats::common_event::CommonEventsFile;
+use wolf_formats::database::Database;
+use wolf_formats::map::Map;
+
+fn pro_data() -> PathBuf {
+    PathBuf::from(env!("CARGO_MANIFEST_DIR"))
+        .join("..")
+        .join("..")
+        .join("..")
+        .join("GamePro_Data")
+}
+
+fn entropy(b: &[u8]) -> f64 {
+    if b.is_empty() {
+        return 0.0;
+    }
+    let mut counts = [0usize; 256];
+    for &x in b {
+        counts[x as usize] += 1;
+    }
+    let n = b.len() as f64;
+    -counts
+        .iter()
+        .filter(|&&c| c > 0)
+        .map(|&c| {
+            let p = c as f64 / n;
+            p * p.log2()
+        })
+        .sum::<f64>()
+}
+
+fn report_head(label: &str, bytes: &[u8]) {
+    let n = bytes.len().min(16);
+    let hex: String = bytes[..n].iter().map(|b| format!("{b:02x} ")).collect();
+    let ent = entropy(&bytes[..bytes.len().min(4096)]);
+    eprintln!(
+        "  {label:24} {} bytes  head: {hex}  entropy(4k)={ent:.2}",
+        bytes.len()
+    );
+}
+
+#[test]
+fn probe_common_event() {
+    let p = pro_data().join("BasicData").join("CommonEvent.dat");
+    let Ok(bytes) = std::fs::read(&p) else {
+        eprintln!("missing {}", p.display());
+        return;
+    };
+    report_head("CommonEvent.dat", &bytes);
+    let ce = CommonEventsFile::read(&bytes).expect("parse Pro CommonEvent.dat");
+    let rt = ce.write();
+    eprintln!(
+        "  PARSED: {} events; round-trip {}",
+        ce.events.len(),
+        if rt == bytes { "BYTE-EXACT" } else { "DIFF" }
+    );
+    assert_eq!(rt, bytes, "Pro CommonEvent.dat must round-trip byte-exact");
+}
+
+#[test]
+fn probe_databases() {
+    let dir = pro_data().join("BasicData");
+    for (proj, dat) in [
+        ("DataBase.project", "DataBase.dat"),
+        ("CDataBase.project", "CDataBase.dat"),
+        ("SysDatabase.project", "SysDatabase.dat"),
+    ] {
+        let (pp, dp) = (dir.join(proj), dir.join(dat));
+        let (Ok(pb), Ok(db_bytes)) = (std::fs::read(&pp), std::fs::read(&dp)) else {
+            continue;
+        };
+        report_head(dat, &db_bytes);
+        let db =
+            Database::read(&pb, &db_bytes).unwrap_or_else(|e| panic!("parse {proj}/{dat}: {e}"));
+        let (po, dout) = db.write();
+        eprintln!(
+            "  {proj}/{dat} PARSED: {} types; proj {} dat {}",
+            db.types.len(),
+            if po == pb { "ok" } else { "DIFF" },
+            if dout == db_bytes {
+                "BYTE-EXACT"
+            } else {
+                "DIFF"
+            }
+        );
+        assert_eq!(po, pb, "{proj} must round-trip byte-exact");
+        assert_eq!(dout, db_bytes, "{dat} must round-trip byte-exact");
+    }
+}
+
+#[test]
+fn probe_maps() {
+    let dir = pro_data().join("MapData");
+    let Ok(entries) = std::fs::read_dir(&dir) else {
+        eprintln!("missing {}", dir.display());
+        return;
+    };
+    let mut ok = 0;
+    let mut fail = 0;
+    let mut diff = 0;
+    let mut total = 0;
+    let mut first_err = String::new();
+    let mut versions: std::collections::BTreeMap<u32, usize> = Default::default();
+    for e in entries {
+        let path = e.unwrap().path();
+        if path.extension().and_then(|s| s.to_str()) != Some("mps") {
+            continue;
+        }
+        let bytes = std::fs::read(&path).unwrap();
+        total += 1;
+        // map version lives at offset 20 (after 10-byte 0x00 pad + WOLFM magic + 'U'/byte).
+        if bytes.len() > 23 {
+            let v = u32::from_le_bytes([bytes[20], bytes[21], bytes[22], bytes[23]]);
+            *versions.entry(v).or_default() += 1;
+        }
+        match Map::read(&bytes) {
+            Ok(m) => {
+                let rt = m.write();
+                if rt == bytes {
+                    ok += 1;
+                } else {
+                    diff += 1;
+                }
+            }
+            Err(e) => {
+                fail += 1;
+                if first_err.is_empty() {
+                    first_err = format!("{}: {e}", path.file_name().unwrap().to_string_lossy());
+                }
+            }
+        }
+    }
+    eprintln!("  maps: total={total} byte-exact={ok} diff={diff} parse-fail={fail}");
+    eprintln!("  map versions seen: {versions:?}");
+    if !first_err.is_empty() {
+        eprintln!("  first parse error: {first_err}");
+    }
+    assert_eq!(fail, 0, "all Pro maps must parse");
+    assert_eq!(ok, total, "all Pro maps must round-trip byte-exact");
+}
diff --git a/util/wolfdawn-master/crates/wolf-formats/tests/roundtrip.rs b/util/wolfdawn-master/crates/wolf-formats/tests/roundtrip.rs
new file mode 100644
index 0000000..88bfda5
--- /dev/null
+++ b/util/wolfdawn-master/crates/wolf-formats/tests/roundtrip.rs
@@ -0,0 +1,112 @@
+//! Byte-exact round-trip gate over the local plaintext corpus.
+//! For every sample file: `write(read(bytes)) == bytes`.
+
+use std::path::PathBuf;
+
+use wolf_formats::common_event::CommonEventsFile;
+use wolf_formats::database::Database;
+use wolf_formats::map::Map;
+
+/// `Wolf/Data`, three levels up from this crate (`Wolf/wolf-dawn/crates/wolf-formats`).
+fn data_dir() -> PathBuf {
+    PathBuf::from(env!("CARGO_MANIFEST_DIR"))
+        .join("..")
+        .join("..")
+        .join("..")
+        .join("Data")
+}
+
+fn assert_byte_exact(name: &str, original: &[u8], rewritten: &[u8]) {
+    if original == rewritten {
+        return;
+    }
+    let first_diff = original
+        .iter()
+        .zip(rewritten.iter())
+        .position(|(a, b)| a != b);
+    panic!(
+        "round-trip mismatch for {name}: original {} bytes, rewritten {} bytes, first differing offset = {:?}",
+        original.len(),
+        rewritten.len(),
+        first_diff
+    );
+}
+
+#[test]
+fn maps_round_trip_byte_exact() {
+    let dir = data_dir().join("MapData");
+    let mut checked = 0;
+
+    let entries =
+        std::fs::read_dir(&dir).unwrap_or_else(|e| panic!("cannot read {}: {e}", dir.display()));
+
+    for entry in entries {
+        let path = entry.unwrap().path();
+        if path.extension().and_then(|s| s.to_str()) != Some("mps") {
+            continue;
+        }
+        let name = path.file_name().unwrap().to_string_lossy().into_owned();
+        let original = std::fs::read(&path).unwrap();
+
+        let map = Map::read(&original).unwrap_or_else(|e| panic!("failed to parse {name}: {e}"));
+        let rewritten = map.write();
+
+        assert_byte_exact(&name, &original, &rewritten);
+        checked += 1;
+    }
+
+    assert!(checked > 0, "no .mps files found in {}", dir.display());
+    eprintln!("round-tripped {checked} map(s) byte-exact");
+}
+
+#[test]
+fn common_events_round_trip_byte_exact() {
+    let path = data_dir().join("BasicData").join("CommonEvent.dat");
+    let original =
+        std::fs::read(&path).unwrap_or_else(|e| panic!("cannot read {}: {e}", path.display()));
+
+    let ce = CommonEventsFile::read(&original)
+        .unwrap_or_else(|e| panic!("failed to parse CommonEvent.dat: {e}"));
+    let rewritten = ce.write();
+
+    assert_byte_exact("CommonEvent.dat", &original, &rewritten);
+    eprintln!(
+        "round-tripped CommonEvent.dat ({} events) byte-exact",
+        ce.events.len()
+    );
+}
+
+#[test]
+fn databases_round_trip_byte_exact() {
+    let dir = data_dir().join("BasicData");
+    // (project, dat) pairs present in the sample game.
+    let pairs = [
+        ("DataBase.project", "DataBase.dat"),
+        ("CDataBase.project", "CDataBase.dat"),
+        ("SysDatabase.project", "SysDatabase.dat"),
+    ];
+
+    let mut checked = 0;
+    for (proj, dat) in pairs {
+        let proj_path = dir.join(proj);
+        let dat_path = dir.join(dat);
+        if !proj_path.exists() || !dat_path.exists() {
+            continue;
+        }
+        let proj_bytes = std::fs::read(&proj_path).unwrap();
+        let dat_bytes = std::fs::read(&dat_path).unwrap();
+
+        let db = Database::read(&proj_bytes, &dat_bytes)
+            .unwrap_or_else(|e| panic!("failed to parse {proj}/{dat}: {e}"));
+        let (proj_out, dat_out) = db.write();
+
+        assert_byte_exact(proj, &proj_bytes, &proj_out);
+        assert_byte_exact(dat, &dat_bytes, &dat_out);
+        eprintln!(
+            "round-tripped {proj} + {dat} ({} types) byte-exact",
+            db.types.len()
+        );
+        checked += 1;
+    }
+    assert!(checked > 0, "no database pairs found in {}", dir.display());
+}
diff --git a/util/wolfdawn-master/crates/wolf-formats/tests/ver5_archive.rs b/util/wolfdawn-master/crates/wolf-formats/tests/ver5_archive.rs
new file mode 100644
index 0000000..5ccf0e8
--- /dev/null
+++ b/util/wolfdawn-master/crates/wolf-formats/tests/ver5_archive.rs
@@ -0,0 +1,73 @@
+//! Verify the DXArchive VER5 decoder against the real Wolf 2.01 sample-game Data.wolf:
+//! extracted inner files must parse + round-trip byte-exact through wolf-formats.
+//!   cargo test -p wolf-formats --test ver5_archive -- --nocapture
+use std::path::{Path, PathBuf};
+
+use wolf_formats::common_event::CommonEventsFile;
+use wolf_formats::map::Map;
+
+fn find_wolf(dir: &Path) -> Option<PathBuf> {
+    let mut stack = vec![dir.to_path_buf()];
+    while let Some(d) = stack.pop() {
+        let Ok(rd) = std::fs::read_dir(&d) else {
+            continue;
+        };
+        for e in rd.flatten() {
+            let p = e.path();
+            if p.is_dir() {
+                stack.push(p);
+            } else if p.extension().and_then(|s| s.to_str()) == Some("wolf") {
+                return Some(p);
+            }
+        }
+    }
+    None
+}
+
+#[test]
+fn ver5_ver6_archives_parse() {
+    // VER5 = Wolf 2.01, VER6 = Wolf 2.20.
+    for editor in ["WolfRPGEditor_201", "WolfRPGEditor_220"] {
+        let base = PathBuf::from(env!("CARGO_MANIFEST_DIR"))
+            .join("..")
+            .join("..")
+            .join("..")
+            .join("ALLWOLFVERSIONS")
+            .join(editor);
+        let Some(arc) = find_wolf(&base) else {
+            eprintln!("{editor}: no Data.wolf, skipping");
+            continue;
+        };
+        let data = std::fs::read(&arc).expect("read Data.wolf");
+        let files = wolf_archive::extract_archive(&data, wolf_archive::DEFAULT_WOLF_PRO_KEY)
+            .unwrap_or_else(|e| panic!("{editor}: archive decode failed: {e}"));
+        eprintln!("{editor}: extracted {} files", files.len());
+        assert!(files.len() > 100, "{editor}: expected a populated archive");
+
+        // CommonEvent.dat was LZ-compressed: parse + round-trip proves keycode-LZSS + key decode.
+        let ce = files
+            .iter()
+            .find(|(p, _)| p.replace('\\', "/").ends_with("BasicData/CommonEvent.dat"))
+            .unwrap_or_else(|| panic!("{editor}: CommonEvent.dat not in archive"));
+        let parsed = CommonEventsFile::read(&ce.1)
+            .unwrap_or_else(|e| panic!("{editor}: parse CommonEvent: {e}"));
+        assert_eq!(parsed.write(), ce.1, "{editor}: CommonEvent.dat round-trip");
+        eprintln!(
+            "  CommonEvent.dat: {} events, {} bytes, round-trip OK",
+            parsed.events.len(),
+            ce.1.len()
+        );
+
+        let mut maps = 0;
+        for (p, b) in &files {
+            if !p.to_ascii_lowercase().ends_with(".mps") {
+                continue;
+            }
+            let m = Map::read(b).unwrap_or_else(|e| panic!("{editor}: parse {p}: {e}"));
+            assert_eq!(&m.write(), b, "{editor}: map {p} round-trip");
+            maps += 1;
+        }
+        eprintln!("  maps round-tripped byte-exact: {maps}");
+        assert!(maps > 0, "{editor}: expected maps");
+    }
+}
diff --git a/util/wolfdawn-master/crates/wolf-gui/Cargo.toml b/util/wolfdawn-master/crates/wolf-gui/Cargo.toml
new file mode 100644
index 0000000..a0df4c7
--- /dev/null
+++ b/util/wolfdawn-master/crates/wolf-gui/Cargo.toml
@@ -0,0 +1,46 @@
+[package]
+name = "wolf-gui"
+edition.workspace = true
+version.workspace = true
+license.workspace = true
+description = "WolfDawn Studio - the desktop GUI front-end for the WolfDawn toolchain (egui/eframe)."
+
+[[bin]]
+name = "wolf-gui"
+path = "src/main.rs"
+
+[dependencies]
+# Native, immediate-mode GUI. eframe re-exports the matching egui; rfd gives native
+# OS file dialogs. All three are pure-safe Rust (the `#![forbid(unsafe_code)]` lint at
+# the crate root is satisfied - the unsafe lives inside the dependencies, not here).
+# `persistence` enables eframe's on-disk key/value storage (RON under the OS config dir) plus the
+# `eframe::get_value`/`set_value` helpers + the `App::save` hook, which the Settings section uses to
+# persist preferences across runs. It pulls in serde-backed storage; still pure-safe Rust.
+eframe = { version = "0.29", default-features = false, features = ["default_fonts", "glow", "persistence"] }
+egui = "0.29"
+# `TableBuilder` (the translation grid) lives in the base crate; no image/svg/http loaders needed.
+egui_extras = "0.29"
+rfd = "0.15"
+
+# Global allocator. The default Windows allocator holds freed pages, so RAM stayed high after a big
+# extract / decompile / DB load even once the data was dropped. mimalloc returns freed memory to the
+# OS promptly (and allocates faster), which keeps the long-running GUI light. Its unsafe lives inside
+# the dependency, so the crate root's `#![forbid(unsafe_code)]` still holds.
+mimalloc = "0.1"
+
+# JSON is the lingua franca of the translation pipeline: the library emits the per-file extract
+# shapes as JSON, and the GUI parses them into its editable row model (and back) with serde_json.
+serde_json = "1"
+# The persisted `Settings` payload is a plain serde-derive struct (stored via eframe storage).
+serde = { version = "1", features = ["derive"] }
+
+# The WolfDawn libraries the GUI drives directly (no shelling out to the CLI).
+wolf-core = { path = "../wolf-core" }
+wolf-formats = { path = "../wolf-formats" }
+wolf-decompiler = { path = "../wolf-decompiler" }
+wolf-archive = { path = "../wolf-archive" }
+
+[dev-dependencies]
+# The Saves section's round-trip test re-encodes baked strings to skip ones a Shift-JIS save can't
+# represent, matching the library's own encoding guard.
+encoding_rs = "0.8"
diff --git a/util/wolfdawn-master/crates/wolf-gui/src/app.rs b/util/wolfdawn-master/crates/wolf-gui/src/app.rs
new file mode 100644
index 0000000..b4988fb
--- /dev/null
+++ b/util/wolfdawn-master/crates/wolf-gui/src/app.rs
@@ -0,0 +1,4533 @@
+//! `WolfDawnApp`, the application shell: state, the top/side/bottom/central panel layout, and
+//! the per-section dispatch. Phase 0 ships the Project section (which reads real `Game.dat`) and
+//! stubs every later section so the full navigation shape is visible from day one.
+
+use std::path::{Path, PathBuf};
+use std::sync::mpsc::{Receiver, Sender};
+use std::time::{Duration, Instant};
+
+use serde::{Deserialize, Serialize};
+
+use crate::archive::{self, CryptSource, PackFormat, PackOptions};
+use crate::database::{self, DbModel};
+use crate::decompile;
+use crate::gamedat::{self, Group, LoadedGameDat};
+use crate::log::Log;
+use crate::project::{self, NoteLevel, Project};
+use crate::saves::{self, LoadedSave};
+use crate::task::JobManager;
+use crate::translation::{
+    self, Conflict, FileKind, InjectTarget, TranslationModel,
+};
+use crate::verify::{self, CorpusOutcome, Verdict};
+use crate::widgets;
+use wolf_decompiler::{InjectOptions, SaveFormat};
+
+/// The top-level navigation sections. Each later section plugs its real UI in where the stub is.
+#[derive(Clone, Copy, PartialEq, Eq, Debug)]
+pub enum Section {
+    Project,
+    Archive,
+    Decompile,
+    Database,
+    GameDat,
+    Translation,
+    Saves,
+    Verify,
+    Settings,
+}
+
+impl Section {
+    /// Every section, in sidebar order. Tests iterate this to exercise the dispatch exhaustively.
+    pub const ALL: [Section; 9] = [
+        Section::Project,
+        Section::Archive,
+        Section::Decompile,
+        Section::Database,
+        Section::GameDat,
+        Section::Translation,
+        Section::Saves,
+        Section::Verify,
+        Section::Settings,
+    ];
+
+    /// The text label.
+    pub fn name(self) -> &'static str {
+        match self {
+            Section::Project => "Project",
+            Section::Archive => "Archive",
+            Section::Decompile => "Decompile",
+            Section::Database => "Database",
+            Section::GameDat => "Game.dat",
+            Section::Translation => "Translation",
+            Section::Saves => "Saves",
+            Section::Verify => "Verify",
+            Section::Settings => "Settings",
+        }
+    }
+}
+
+/// Per-section UI state. Phase 0 only needs the Project section's. The rest are stubbed so the
+/// fields exist for later phases to fill in (each section owns its inputs/options here).
+#[derive(Default)]
+struct SectionState {
+    archive: ArchiveState,
+    database: DatabaseState,
+    decompile: DecompileState,
+    gamedat: GameDatState,
+    translation: TranslationState,
+    saves: SavesState,
+    verify: VerifyState,
+    // Settings live on the app (`WolfDawnApp::settings`), not here, since they persist across runs
+    // and other sections read their defaults. The rest of `SectionState` is per-session scratch.
+}
+
+/// Persisted user preferences (the Settings section). Serde-derived so the whole struct round-trips
+/// through eframe's on-disk storage (see [`WolfDawnApp::new`] / [`eframe::App::save`]). Defaults
+/// match the sections' historical defaults so a fresh install behaves exactly as before.
+#[derive(Clone, PartialEq, Eq, Debug, Serialize, Deserialize)]
+#[serde(default)]
+pub struct Settings {
+    /// Dark vs light theme (applied via `ctx.set_visuals` on startup + when toggled).
+    pub dark_mode: bool,
+    /// Default for the Translation section's `--en-punct` flag.
+    pub default_en_punct: bool,
+    /// Default for the Translation section's `--allow-code-drift` flag.
+    pub default_allow_code_drift: bool,
+    /// Default for the "back up originals" toggles (Saves / Database / Game.dat).
+    pub default_backup: bool,
+    /// Gate for the periodic auto-detect rescan while a project is open.
+    pub auto_detect: bool,
+}
+
+impl Default for Settings {
+    fn default() -> Self {
+        Self {
+            // egui's own default visuals are dark, so default to dark to match the unchanged look.
+            dark_mode: true,
+            default_en_punct: false,
+            default_allow_code_drift: false,
+            // Every section historically defaulted its backup toggle ON. Preserve that.
+            default_backup: true,
+            // Live auto-detect on by default. The Settings toggle gates it.
+            auto_detect: true,
+        }
+    }
+}
+
+/// Which Archive sub-panel is active.
+#[derive(Clone, Copy, PartialEq, Eq)]
+enum ArchiveMode {
+    Unpack,
+    UnpackAll,
+    Repack,
+}
+
+/// Archive section scratch state: the Unpack inputs (archive + output folder) and the Repack inputs
+/// (folder + output `.wolf` + the encrypt/version/like/format options that mirror the CLI `pack`
+/// flags).
+struct ArchiveState {
+    /// Which sub-panel is shown (Unpack / Repack).
+    mode: ArchiveMode,
+
+    // --- Unpack ---
+    /// The `.wolf` archive to extract.
+    unpack_archive: Option<PathBuf>,
+    /// Where to extract it (defaults to `<archive_dir>/Data`).
+    unpack_out: Option<PathBuf>,
+
+    // --- Unpack all (a per-category game's whole set of .wolf files) ---
+    /// The folder holding the `.wolf` archives (a game's `Data` folder).
+    unpack_all_dir: Option<PathBuf>,
+    /// Where to write the per-archive folders (defaults to the archive folder itself, in place).
+    unpack_all_out: Option<PathBuf>,
+
+    // --- Repack ---
+    /// The folder to pack.
+    repack_in: Option<PathBuf>,
+    /// The output `.wolf`.
+    repack_out: Option<PathBuf>,
+    /// Encrypt the output (`--encrypt`).
+    repack_encrypt: bool,
+    /// Where the crypt params come from when encrypting (default / typed version / like an archive).
+    repack_crypt: RepackCryptMode,
+    /// The typed cryptVersion text (parsed to a `u16`, accepts `0x14b` or decimal).
+    repack_version_text: String,
+    /// The existing `.wolf` to inherit crypto from (for the "like existing" mode).
+    repack_like: Option<PathBuf>,
+    /// The container format (`auto` / `ver5` / `ver6`).
+    repack_format: PackFormat,
+}
+
+/// Where the encrypt-repack crypto parameters come from (the small radio in the Repack panel).
+#[derive(Clone, Copy, PartialEq, Eq)]
+enum RepackCryptMode {
+    /// The CLI default cryptVersion.
+    Default,
+    /// A manually-typed cryptVersion.
+    Version,
+    /// Inherit cryptVersion + password from an existing `.wolf` (`--like`).
+    Like,
+}
+
+impl Default for ArchiveState {
+    fn default() -> Self {
+        Self {
+            mode: ArchiveMode::Unpack,
+            unpack_archive: None,
+            unpack_out: None,
+            unpack_all_dir: None,
+            unpack_all_out: None,
+            repack_in: None,
+            repack_out: None,
+            repack_encrypt: false,
+            repack_crypt: RepackCryptMode::Default,
+            repack_version_text: format!("{:#x}", archive::DEFAULT_CRYPT_VERSION),
+            repack_like: None,
+            repack_format: PackFormat::Auto,
+        }
+    }
+}
+
+/// The heavy result a background Database job hands back to the UI thread (mirrors [`GameDatResult`]):
+/// the freshly-loaded (or reloaded-after-save) grid model, over the per-section side-channel.
+enum DbResult {
+    /// A freshly loaded model replaces the current one.
+    Loaded(Box<DbModel>),
+}
+
+/// The Database section's scratch state: the `.project` path, the loaded editable grid model, the
+/// selected type + a row-name filter, the in-place-vs-output choice + a backup toggle, and the
+/// side-channel a background Load/Save job hands the model back on.
+struct DatabaseState {
+    /// The `.project` to load (its sibling `.dat` is paired by extension).
+    path: Option<PathBuf>,
+    /// The loaded, editable grid model (None until Load runs / after Reload-clears).
+    loaded: Option<DbModel>,
+    /// Which type (table) is shown on the right.
+    selected_type: usize,
+    /// The row-name filter (matches the row name, case-insensitive).
+    filter: String,
+    /// Output target: in-place (`None`) or a chosen output `.project`.
+    out_project: Option<PathBuf>,
+    /// Back up the originals before an in-place overwrite (default ON).
+    backup: bool,
+    /// Receiver for a running Load/Save job's heavy result (the loaded/reloaded model).
+    result_rx: Option<Receiver<DbResult>>,
+}
+
+impl Default for DatabaseState {
+    fn default() -> Self {
+        Self {
+            path: None,
+            loaded: None,
+            selected_type: 0,
+            filter: String::new(),
+            out_project: None,
+            backup: true,
+            result_rx: None,
+        }
+    }
+}
+
+/// The heavy result a background Decompile job hands back to the UI thread (mirrors [`VerifyResult`]
+/// / [`SaveResult`]): the freshly-decompiled WolfScript text for the chosen input, carried over the
+/// per-section side-channel since the shared [`JobManager`] only carries progress/log/summary.
+enum DecompileResult {
+    /// Decompiled WolfScript text for `input` (the path it came from, kept as the compile `--base`).
+    Text(PathBuf, String),
+}
+
+/// The Decompile section's scratch state: the input `.mps`/`CommonEvent.dat`, the editable WolfScript
+/// buffer + the base it was decompiled from (needed as the compile `--base` so unknown bytes are
+/// preserved), the chosen compile output, and the side-channel a background job hands its text back on.
+struct DecompileState {
+    /// The binary event file to decompile (a `.mps` map or `CommonEvent.dat`).
+    input: Option<PathBuf>,
+    /// The editable WolfScript document (empty until Decompile / Open .wscript runs).
+    script: String,
+    /// The original file the current script was decompiled from, the compile `--base`. Set on a
+    /// successful Decompile. Required before Compile (Open .wscript leaves it as the picked input).
+    base: Option<PathBuf>,
+    /// Where Compile writes the recompiled file (defaults to `<input>.out`).
+    out: Option<PathBuf>,
+    /// Receiver for a running Decompile job's heavy result (the WolfScript text).
+    result_rx: Option<Receiver<DecompileResult>>,
+    /// The find-in-editor (Ctrl+F) bar's state.
+    find: FindState,
+}
+
+impl Default for DecompileState {
+    fn default() -> Self {
+        Self {
+            input: None,
+            script: String::new(),
+            base: None,
+            out: None,
+            result_rx: None,
+            find: FindState::default(),
+        }
+    }
+}
+
+/// The Decompile editor's find-in-text (Ctrl+F) state: whether the bar is open, the query text, the
+/// case toggle, and the index of the currently-selected match (so Next/Prev step through). The match
+/// list itself is recomputed each frame from the script + query (`find_matches` is linear and cheap),
+/// so it never goes stale against an edited script.
+#[derive(Default)]
+struct FindState {
+    /// Whether the find bar is shown (toggled by Ctrl+F / the Find button / the close button).
+    open: bool,
+    /// The search query.
+    query: String,
+    /// Case-sensitive matching (off = case-insensitive, the default).
+    case_sensitive: bool,
+    /// Which match is "current" (0-based) for the counter + scroll-to. Clamped to the match count.
+    current: usize,
+    /// Set when the bar was just opened, so the query field grabs focus for one frame.
+    focus_query: bool,
+    /// A pending match (char range) to select + scroll the editor to on this frame's `TextEdit`.
+    pending_select: Option<(usize, usize)>,
+}
+
+/// The heavy result a background Game.dat job hands back to the UI thread: the freshly-loaded (or
+/// reloaded-after-save) editable model, over the per-section side-channel.
+enum GameDatResult {
+    /// A freshly loaded model replaces the current one.
+    Loaded(Box<LoadedGameDat>),
+}
+
+/// The Game.dat section's scratch state: the `Game.dat` path, the loaded editable form model, the
+/// in-place backup toggle, and the side-channel a background Load/Save job hands the model back on.
+struct GameDatState {
+    /// The `Game.dat` to load (defaults to the open project's `game_dat`).
+    path: Option<PathBuf>,
+    /// The loaded, editable form model (None until Load runs / after Reload-clears).
+    loaded: Option<LoadedGameDat>,
+    /// Back up the original before an in-place overwrite (default ON).
+    backup: bool,
+    /// Receiver for a running Load/Save job's heavy result (the loaded/reloaded model).
+    result_rx: Option<Receiver<GameDatResult>>,
+}
+
+impl Default for GameDatState {
+    fn default() -> Self {
+        Self {
+            path: None,
+            loaded: None,
+            backup: true,
+            result_rx: None,
+        }
+    }
+}
+
+/// The Verify section's scratch state: the single-file pick + its last verdict, and the corpus
+/// folder + its last per-file results. A background job hands results back via `result_rx`.
+struct VerifyState {
+    /// The single data file to round-trip.
+    file: Option<PathBuf>,
+    /// The last single-file verdict (shown in the result panel until re-run/cleared).
+    file_verdict: Option<(PathBuf, Verdict)>,
+    /// The folder to verify as a corpus.
+    corpus_dir: Option<PathBuf>,
+    /// The last corpus run's per-file rows + summary.
+    corpus: Option<CorpusOutcome>,
+    /// Receiver for a running job's heavy result (a single verdict or a whole corpus outcome).
+    result_rx: Option<Receiver<VerifyResult>>,
+}
+
+impl Default for VerifyState {
+    fn default() -> Self {
+        Self {
+            file: None,
+            file_verdict: None,
+            corpus_dir: None,
+            corpus: None,
+            result_rx: None,
+        }
+    }
+}
+
+/// The heavy result a background Verify job hands back to the UI thread (mirrors [`TrResult`] /
+/// [`SaveResult`]): a single file's verdict, or a whole corpus outcome.
+enum VerifyResult {
+    /// A single file's round-trip verdict, with the file it was run on.
+    Single(PathBuf, Box<Verdict>),
+    /// A whole corpus run's outcome.
+    Corpus(Box<CorpusOutcome>),
+}
+
+/// A heavy result a background translation job hands back to the UI thread. The shared
+/// [`JobManager`] only carries progress/log/summary. This side-channel carries the actual model the
+/// job built so the UI can swap it in once the job lands.
+enum TrResult {
+    /// A freshly extracted (or merged-into) model replaces the current one.
+    Model(Box<TranslationModel>),
+    /// The name-conflict check's findings, to render in the conflicts panel.
+    Conflicts(Vec<Conflict>),
+}
+
+/// The Translation section's scratch state: the source folder, the loaded editable model, the grid
+/// controls (selection / filter / counters), the inject options + output choice, and the
+/// side-channel a background job uses to hand a rebuilt model back to the UI.
+struct TranslationState {
+    /// The data dir to extract from (defaults to the open project's `data_dir`).
+    source_dir: Option<PathBuf>,
+    /// The loaded editable model (None until Extract / Load runs).
+    model: Option<TranslationModel>,
+    /// Which left-list entry is selected: `None` = the names glossary, `Some(i)` = files\[i\].
+    selected: SelectedEntry,
+    /// The grid's text filter (matches source or translation, case-insensitive).
+    filter: String,
+    /// Show only rows that are still untranslated.
+    untranslated_only: bool,
+    /// `--en-punct`: normalize Japanese punctuation to ASCII on inject.
+    en_punct: bool,
+    /// `--allow-code-drift`: relax the inline-code preservation guard on inject.
+    allow_code_drift: bool,
+    /// Output target: in-place when `None`, else a chosen output dir.
+    out_dir: Option<PathBuf>,
+    /// The last name-conflict check's findings (shown in a small panel until re-run/cleared).
+    conflicts: Vec<Conflict>,
+    /// Receiver for a running job's heavy result (the rebuilt model / conflicts).
+    result_rx: Option<Receiver<TrResult>>,
+}
+
+/// Which left-list entry the grid is showing.
+#[derive(Clone, Copy, PartialEq, Eq)]
+enum SelectedEntry {
+    Names,
+    File(usize),
+}
+
+impl Default for TranslationState {
+    fn default() -> Self {
+        Self {
+            source_dir: None,
+            model: None,
+            selected: SelectedEntry::Names,
+            filter: String::new(),
+            untranslated_only: false,
+            en_punct: false,
+            allow_code_drift: false,
+            out_dir: None,
+            conflicts: Vec::new(),
+            result_rx: None,
+        }
+    }
+}
+
+/// The heavy result a background Saves job hands back to the UI thread, mirroring [`TrResult`]: the
+/// shared [`JobManager`] only carries progress/log/summary, so the freshly-inspected save (or the
+/// re-inspect after a write) comes back over this per-section side-channel.
+enum SaveResult {
+    /// A freshly inspected (or re-inspected) save replaces the loaded one.
+    Loaded(Box<LoadedSave>),
+}
+
+/// Which source the batch title comes from.
+#[derive(Clone, Copy, PartialEq, Eq)]
+enum BatchTitleMode {
+    /// No title change in the batch (only refresh strings).
+    None,
+    /// A literally-typed title.
+    Typed,
+    /// The title read from a chosen (translated) `Game.dat`.
+    FromGameDat,
+}
+
+/// The Saves section's scratch state: the single-file open inputs + the loaded/editable save, and
+/// the batch-update inputs. A background job hands a (re-)inspected save back via `result_rx`.
+struct SavesState {
+    /// The `.sav` the user picked to inspect (single-file flow).
+    sav_path: Option<PathBuf>,
+    /// The loaded, editable save (None until Inspect runs / after a clear).
+    loaded: Option<LoadedSave>,
+    /// The string-table filter (matches original or edited, case-insensitive).
+    filter: String,
+    /// Back up the original before writing (default ON), for both single + batch flows.
+    backup: bool,
+    /// Receiver for a running single-file job's heavy result (the inspected save).
+    result_rx: Option<Receiver<SaveResult>>,
+
+    // --- batch flow ---
+    /// The save folder to batch-update.
+    batch_dir: Option<PathBuf>,
+    /// Where the batch title comes from.
+    batch_title_mode: BatchTitleMode,
+    /// The typed batch title (used when `batch_title_mode == Typed`).
+    batch_title: String,
+    /// The translated `Game.dat` to read a title from (used when `batch_title_mode == FromGameDat`).
+    batch_game_dat: Option<PathBuf>,
+    /// Optional translation file/dir(s) to refresh baked strings from in the batch.
+    batch_translations: Option<PathBuf>,
+}
+
+impl Default for SavesState {
+    fn default() -> Self {
+        Self {
+            sav_path: None,
+            loaded: None,
+            filter: String::new(),
+            backup: true,
+            result_rx: None,
+            batch_dir: None,
+            batch_title_mode: BatchTitleMode::None,
+            batch_title: String::new(),
+            batch_game_dat: None,
+            batch_translations: None,
+        }
+    }
+}
+
+/// The application. `eframe` calls [`eframe::App::update`] each frame.
+pub struct WolfDawnApp {
+    /// The active navigation section.
+    section: Section,
+    /// The open game, if any.
+    project: Option<Project>,
+    /// The scrolling activity log (bottom panel).
+    log: Log,
+    /// Background-job manager (progress bar + worker threads).
+    jobs: JobManager,
+    /// Per-section UI state.
+    state: SectionState,
+    /// Persisted user preferences (theme + section defaults + auto-detect gate).
+    settings: Settings,
+    /// When the open project's file index was last re-walked, for throttling the live auto-detect
+    /// in [`render_frame`](Self::render_frame). `None` until the first tick (or while no project).
+    last_scan: Option<Instant>,
+    /// The output dir of an in-flight Unpack job, if any. Set when an Unpack starts. Consumed when
+    /// it finishes to immediately rescan the index (and adopt the dir as `data_dir` when it sits
+    /// under the project root) so the freshly-extracted files show in the dropdowns at once.
+    pending_unpack_out: Option<PathBuf>,
+    /// Whether a job was running on the previous frame, so the per-frame tick can detect the
+    /// running→idle transition (job-just-finished) without a completion callback in `JobManager`.
+    job_was_running: bool,
+}
+
+impl Default for WolfDawnApp {
+    fn default() -> Self {
+        let mut log = Log::new();
+        log.info("WolfDawn Studio ready. Open a game from the Project section to begin.");
+        Self {
+            section: Section::Project,
+            project: None,
+            log,
+            jobs: JobManager::new(),
+            state: SectionState::default(),
+            settings: Settings::default(),
+            last_scan: None,
+            pending_unpack_out: None,
+            job_was_running: false,
+        }
+    }
+}
+
+impl WolfDawnApp {
+    /// The eframe storage key the persisted [`Settings`] live under.
+    const SETTINGS_KEY: &'static str = "settings";
+
+    /// Construct the app for an eframe creation context. Installs a Japanese fallback font so CJK
+    /// text renders instead of tofu, loads the persisted [`Settings`]
+    /// (theme + defaults) from eframe storage, applies the theme, and seeds the sections' option
+    /// flags from the saved defaults so a returning user gets their preferences on startup.
+    pub fn new(cc: &eframe::CreationContext<'_>) -> Self {
+        install_cjk_font(&cc.egui_ctx);
+        let mut app = Self::default();
+        // Restore the saved settings (falls back to defaults the first run / if storage is empty).
+        if let Some(storage) = cc.storage {
+            if let Some(saved) = eframe::get_value::<Settings>(storage, Self::SETTINGS_KEY) {
+                app.settings = saved;
+            }
+        }
+        app.apply_theme(&cc.egui_ctx);
+        app.seed_section_defaults();
+        app
+    }
+
+    /// Apply the current theme preference to the egui context (called on startup + on every toggle).
+    fn apply_theme(&self, ctx: &egui::Context) {
+        ctx.set_visuals(if self.settings.dark_mode {
+            egui::Visuals::dark()
+        } else {
+            egui::Visuals::light()
+        });
+    }
+
+    /// Seed the sections' option flags from the persisted [`Settings`] defaults. Called once on
+    /// startup (and after a "reset" could be added later); sections then own those flags for the
+    /// session, so toggling a section checkbox is never clobbered by the settings default.
+    fn seed_section_defaults(&mut self) {
+        self.state.translation.en_punct = self.settings.default_en_punct;
+        self.state.translation.allow_code_drift = self.settings.default_allow_code_drift;
+        self.state.saves.backup = self.settings.default_backup;
+        self.state.database.backup = self.settings.default_backup;
+        self.state.gamedat.backup = self.settings.default_backup;
+    }
+
+    // --- the section dispatch -------------------------------------------------------------
+
+    /// Render the body of the currently-selected section into `ui`. Public so the headless smoke
+    /// test can drive each section without a window.
+    pub fn render_current_section(&mut self, ui: &mut egui::Ui) {
+        match self.section {
+            Section::Project => self.ui_project(ui),
+            Section::Archive => self.ui_archive(ui),
+            Section::Decompile => self.ui_decompile(ui),
+            Section::Database => self.ui_database(ui),
+            Section::GameDat => self.ui_gamedat(ui),
+            Section::Translation => self.ui_translation(ui),
+            Section::Saves => self.ui_saves(ui),
+            Section::Verify => self.ui_verify(ui),
+            Section::Settings => self.ui_settings(ui),
+        }
+    }
+
+    /// Switch the active section. The sidebar sets it inline. This is the programmatic entry the
+    /// smoke tests use to walk every section.
+    #[allow(dead_code)]
+    pub fn set_section(&mut self, section: Section) {
+        self.section = section;
+    }
+
+    /// Install a translation model into the Translation section (test-only entry so the headless
+    /// render smoke test can exercise the grid with a loaded model, not just the empty state).
+    #[cfg(test)]
+    pub fn set_translation_model(&mut self, model: TranslationModel) {
+        self.state.translation.selected = if model.files.is_empty() {
+            SelectedEntry::Names
+        } else {
+            SelectedEntry::File(0)
+        };
+        self.state.translation.model = Some(model);
+    }
+
+    /// Install a loaded save into the Saves section (test-only entry so the headless render smoke
+    /// test can exercise the save editor + string table with a real loaded save).
+    #[cfg(test)]
+    pub fn set_loaded_save(&mut self, loaded: LoadedSave) {
+        self.state.saves.loaded = Some(loaded);
+    }
+
+    /// Install WolfScript + its base into the Decompile section (test-only entry so the headless
+    /// render smoke test can exercise the code editor + Compile controls with real content).
+    #[cfg(test)]
+    pub fn set_decompile_script(&mut self, input: PathBuf, script: String) {
+        self.state.decompile.base = Some(input.clone());
+        self.state.decompile.input = Some(input);
+        self.state.decompile.script = script;
+    }
+
+    /// Open the Decompile find bar with `query` (test-only entry so the headless render smoke test
+    /// can exercise the find bar + a query on a loaded script without panicking).
+    #[cfg(test)]
+    pub fn open_decompile_find(&mut self, query: &str) {
+        self.state.decompile.find.open = true;
+        self.state.decompile.find.query = query.to_string();
+        // Trigger an initial jump-to-first-match, the way a fresh query would.
+        let matches = decompile::find_matches(
+            &self.state.decompile.script,
+            query,
+            self.state.decompile.find.case_sensitive,
+        );
+        if let Some(m) = matches.first() {
+            self.state.decompile.find.pending_select = Some((m.start, m.end));
+        }
+    }
+
+    /// Install a loaded Game.dat model into the Game.dat section (test-only entry so the headless
+    /// render smoke test can exercise the field form with a real loaded file).
+    #[cfg(test)]
+    pub fn set_gamedat_loaded(&mut self, loaded: LoadedGameDat) {
+        self.state.gamedat.loaded = Some(loaded);
+    }
+
+    /// Install a loaded database model into the Database section (test-only entry so the headless
+    /// render smoke test can exercise the grid with a real loaded DB).
+    #[cfg(test)]
+    pub fn set_database_loaded(&mut self, loaded: DbModel) {
+        self.state.database.loaded = Some(loaded);
+    }
+
+    // --- Unload / clear (free a section's loaded data so the RAM returns to the OS) -------------
+    // Dropping the model frees its memory; with the mimalloc allocator that memory is handed back to
+    // the OS, so unloading a file you are done with actually lowers the process footprint. Paths are
+    // kept so the file can be reloaded with one click.
+
+    /// Drop the loaded database grid (its rows/cells). Discards unsaved edits.
+    fn unload_database(&mut self) {
+        self.state.database.loaded = None;
+        self.state.database.selected_type = 0;
+        self.state.database.filter.clear();
+    }
+
+    /// Drop the decompiled script (and its editor layout). Discards unsaved edits.
+    fn clear_decompile(&mut self) {
+        self.state.decompile.script = String::new();
+        self.state.decompile.find = FindState::default();
+    }
+
+    /// Drop the loaded translation model (every file's rows + docs + the glossary). Discards unsaved
+    /// edits. The source folder is kept so Extract can rebuild it.
+    fn unload_translation(&mut self) {
+        self.state.translation.model = None;
+        self.state.translation.conflicts.clear();
+        self.state.translation.selected = SelectedEntry::Names;
+        self.state.translation.filter.clear();
+    }
+
+    /// Drop the loaded Game.dat model. Discards unsaved edits.
+    fn unload_gamedat(&mut self) {
+        self.state.gamedat.loaded = None;
+    }
+
+    /// Drop the loaded save. Discards unsaved edits.
+    fn unload_save(&mut self) {
+        self.state.saves.loaded = None;
+    }
+
+    /// Install an open project (test-only entry so the headless render smoke test can exercise the
+    /// per-section dropdowns + the Settings section with a project loaded).
+    #[cfg(test)]
+    pub fn set_project(&mut self, project: Project) {
+        self.project = Some(project);
+    }
+
+    // --- Project section ------------------------------------------------------------------
+
+    fn ui_project(&mut self, ui: &mut egui::Ui) {
+        ui.heading("Project");
+        widgets::caption(
+            ui,
+            "Open a Wolf RPG game to read its Game.dat and locate Data.wolf / the unpacked Data folder.",
+        );
+        ui.add_space(8.0);
+
+        ui.horizontal(|ui| {
+            if ui
+                .button("Open Game…")
+                .on_hover_text("Pick the game folder, or a Data.wolf / Game.dat file.")
+                .clicked()
+            {
+                if let Some(picked) = widgets::pick_folder() {
+                    self.open_from(picked);
+                }
+            }
+            if ui
+                .button("Open File…")
+                .on_hover_text("Pick a Data.wolf archive or a Game.dat directly.")
+                .clicked()
+            {
+                if let Some(picked) = widgets::pick_file(&[
+                    ("Wolf archive / Game data", &["wolf", "dat"]),
+                    ("All files", &["*"]),
+                ]) {
+                    self.open_from(picked);
+                }
+            }
+            if self.project.is_some() {
+                if ui
+                    .button("Refresh")
+                    .on_hover_text("Re-scan the game's folders now for newly-added maps / databases / saves.")
+                    .clicked()
+                {
+                    self.refresh_project_index();
+                }
+                if ui.button("Close").on_hover_text("Close the open game.").clicked() {
+                    self.project = None;
+                    self.last_scan = None;
+                    self.log.info("closed project");
+                }
+            }
+        });
+
+        ui.add_space(12.0);
+        ui.separator();
+        ui.add_space(8.0);
+
+        match &self.project {
+            None => {
+                widgets::caption(ui, "No project open.");
+            }
+            Some(p) => project_details(ui, p),
+        }
+    }
+
+    /// Open a project from a picked path (synchronous, Game.dat parsing is fast). Routes the
+    /// outcome notes into the log.
+    fn open_from(&mut self, picked: PathBuf) {
+        self.log.info(format!("opening {}…", picked.display()));
+        let outcome = project::open_project(&picked);
+        for (level, msg) in outcome.notes {
+            match level {
+                NoteLevel::Info => self.log.info(msg),
+                NoteLevel::Warn => self.log.warn(msg),
+            }
+        }
+        self.project = Some(outcome.project);
+        // A fresh open resets the auto-detect clock so the next tick rescans promptly.
+        self.last_scan = None;
+    }
+
+    /// Manually re-scan the open project's index now (the Project section's Refresh button),
+    /// logging whether anything changed.
+    fn refresh_project_index(&mut self) {
+        let Some(project) = self.project.as_mut() else {
+            return;
+        };
+        if project.rescan() {
+            self.log.info(format!(
+                "refreshed: {} code file(s), {} database(s), {} save(s)",
+                project.code_files.len(),
+                project.databases.len(),
+                project.saves.len(),
+            ));
+        } else {
+            self.log.info("refreshed: no changes");
+        }
+        self.last_scan = Some(Instant::now());
+    }
+
+    // --- Archive section: unpack a .wolf / repack a folder ---------------------------------
+
+    fn ui_archive(&mut self, ui: &mut egui::Ui) {
+        ui.heading("Archive");
+        widgets::caption(
+            ui,
+            "Unpack Data.wolf to an editable folder, or repack a folder back into a Data.wolf.",
+        );
+        widgets::caption(
+            ui,
+            "Most workflows run on the loose, unpacked Data folder; encryption/version only matter \
+             if you are shipping an encrypted archive.",
+        );
+        ui.add_space(6.0);
+
+        // Seed the unpack archive + the repack folder from the open project the first time we show.
+        self.archive_default_paths();
+
+        // Sub-panel selector (Unpack / Unpack all / Repack).
+        ui.horizontal(|ui| {
+            ui.selectable_value(&mut self.state.archive.mode, ArchiveMode::Unpack, "Unpack")
+                .on_hover_text("Extract one Data.wolf to an editable folder.");
+            ui.selectable_value(&mut self.state.archive.mode, ArchiveMode::UnpackAll, "Unpack all")
+                .on_hover_text(
+                    "Some games split their data across many .wolf files (BasicData.wolf, \
+                     MapData.wolf, Evtext.wolf, ...). This unpacks every archive in a folder at once.",
+                );
+            ui.selectable_value(&mut self.state.archive.mode, ArchiveMode::Repack, "Repack")
+                .on_hover_text("Rebuild Data.wolf from a folder.");
+        });
+        ui.add_space(6.0);
+        ui.separator();
+        ui.add_space(6.0);
+
+        match self.state.archive.mode {
+            ArchiveMode::Unpack => self.archive_unpack_pane(ui),
+            ArchiveMode::UnpackAll => self.archive_unpack_all_pane(ui),
+            ArchiveMode::Repack => self.archive_repack_pane(ui),
+        }
+    }
+
+    /// Seed the unpack archive + the repack input folder from the open project (its `data_wolf` /
+    /// `root`), once, so a project user has sensible defaults.
+    fn archive_default_paths(&mut self) {
+        if self.state.archive.unpack_archive.is_none() {
+            if let Some(p) = self.project.as_ref().and_then(|p| p.data_wolf.clone()) {
+                self.state.archive.unpack_archive = Some(p);
+            }
+        }
+        if self.state.archive.repack_in.is_none() {
+            if let Some(d) = self.project.as_ref().and_then(|p| p.data_dir.clone()) {
+                self.state.archive.repack_in = Some(d);
+            }
+        }
+        // Unpack-all defaults to the folder holding the archives: the project data dir, else the
+        // folder the single Data.wolf sits in.
+        if self.state.archive.unpack_all_dir.is_none() {
+            let guess = self
+                .project
+                .as_ref()
+                .and_then(|p| p.data_dir.clone())
+                .or_else(|| {
+                    self.project
+                        .as_ref()
+                        .and_then(|p| p.data_wolf.as_ref())
+                        .and_then(|w| w.parent().map(std::path::Path::to_path_buf))
+                });
+            if let Some(d) = guess {
+                self.state.archive.unpack_all_dir = Some(d);
+            }
+        }
+    }
+
+    /// The Unpack pane: pick a `.wolf` + an output folder (default `<archive_dir>/Data`), then Unpack.
+    fn archive_unpack_pane(&mut self, ui: &mut egui::Ui) {
+        let mut archive = self.state.archive.unpack_archive.clone();
+        let changed = widgets::path_field(
+            ui,
+            "Archive",
+            &mut archive,
+            "Unpack = extract Data.wolf to an editable folder. Pick the .wolf to extract.",
+            || widgets::pick_file(&[("Wolf archive", &["wolf"]), ("All files", &["*"])]),
+        );
+        self.state.archive.unpack_archive = archive;
+        // Default the output folder to <archive_dir>/Data when a fresh archive is picked (or first show).
+        if (changed || self.state.archive.unpack_out.is_none())
+            && self.state.archive.unpack_archive.is_some()
+        {
+            if let Some(arc) = &self.state.archive.unpack_archive {
+                let default_out = arc.parent().map(|d| d.join("Data"));
+                if self.state.archive.unpack_out.is_none() || changed {
+                    self.state.archive.unpack_out = default_out;
+                }
+            }
+        }
+
+        let start = self.state.archive.unpack_out.clone();
+        let mut out = self.state.archive.unpack_out.clone();
+        widgets::path_field(
+            ui,
+            "Output folder",
+            &mut out,
+            "Where to extract the archive's files (its inner folder tree is preserved).",
+            move || widgets::pick_folder_in(start.as_deref()),
+        );
+        self.state.archive.unpack_out = out;
+
+        ui.add_space(8.0);
+        let running = self.jobs.is_running();
+        let ready = self.state.archive.unpack_archive.is_some()
+            && self.state.archive.unpack_out.is_some();
+        ui.add_enabled_ui(ready && !running, |ui| {
+            if ui
+                .button("Unpack ▶")
+                .on_hover_text("Extract every file from the archive into the output folder on a background thread.")
+                .clicked()
+            {
+                self.start_unpack_job();
+            }
+        });
+        if !ready {
+            widgets::caption(ui, "Pick a .wolf archive and an output folder to enable Unpack.");
+        }
+    }
+
+    /// The Unpack-all pane: pick the folder of `.wolf` archives and an output root, then unpack
+    /// every archive at once. Each `Name.wolf` becomes a `Name/` folder under the output, the loose
+    /// per-category tree the game loads and the Translation section can read.
+    fn archive_unpack_all_pane(&mut self, ui: &mut egui::Ui) {
+        let start_dir = self.state.archive.unpack_all_dir.clone();
+        let mut dir = self.state.archive.unpack_all_dir.clone();
+        let changed = widgets::path_field(
+            ui,
+            "Archives folder",
+            &mut dir,
+            "The folder holding the game's .wolf archives (its Data folder). Every .wolf in it is unpacked.",
+            move || widgets::pick_folder_in(start_dir.as_deref()),
+        );
+        self.state.archive.unpack_all_dir = dir;
+        // Default the output root to the archives folder itself (unpack in place, the layout the
+        // game loads), refreshed when a new folder is picked.
+        if (changed || self.state.archive.unpack_all_out.is_none())
+            && self.state.archive.unpack_all_dir.is_some()
+        {
+            self.state.archive.unpack_all_out = self.state.archive.unpack_all_dir.clone();
+        }
+
+        let start_out = self.state.archive.unpack_all_out.clone();
+        let mut out = self.state.archive.unpack_all_out.clone();
+        widgets::path_field(
+            ui,
+            "Output root",
+            &mut out,
+            "Where the per-archive folders are written. Defaults to the archives folder, so the \
+             loose files sit beside the .wolf and the game loads them.",
+            move || widgets::pick_folder_in(start_out.as_deref()),
+        );
+        self.state.archive.unpack_all_out = out;
+
+        ui.add_space(8.0);
+        let running = self.jobs.is_running();
+        let ready = self.state.archive.unpack_all_dir.is_some()
+            && self.state.archive.unpack_all_out.is_some();
+        ui.add_enabled_ui(ready && !running, |ui| {
+            if ui
+                .button("Unpack all ▶")
+                .on_hover_text("Unpack every .wolf in the folder, each into its own subfolder, on a background thread.")
+                .clicked()
+            {
+                self.start_unpack_all_job();
+            }
+        });
+        if !ready {
+            widgets::caption(ui, "Pick the folder of .wolf archives and an output root to enable Unpack all.");
+        }
+    }
+
+    /// The Repack pane: pick a folder + output `.wolf`, set the encrypt/version/like/format options
+    /// (mirroring the CLI `pack` flags), then Repack.
+    fn archive_repack_pane(&mut self, ui: &mut egui::Ui) {
+        let start_in = self.state.archive.repack_in.clone();
+        let mut input = self.state.archive.repack_in.clone();
+        widgets::path_field(
+            ui,
+            "Input folder",
+            &mut input,
+            "Repack = rebuild Data.wolf from a folder. Pick the folder of loose game files to pack.",
+            move || widgets::pick_folder_in(start_in.as_deref()),
+        );
+        self.state.archive.repack_in = input;
+
+        let mut out = self.state.archive.repack_out.clone();
+        widgets::path_field(
+            ui,
+            "Output .wolf",
+            &mut out,
+            "Where to write the rebuilt archive.",
+            || widgets::save_file("Data.wolf", &[("Wolf archive", &["wolf"])]),
+        );
+        self.state.archive.repack_out = out;
+
+        ui.add_space(8.0);
+        // Format dropdown (auto / ver5 / ver6) in a shared form row so its label lines up with
+        // the path rows above.
+        widgets::form_row(
+            ui,
+            "Format",
+            "auto = the modern Data.wolf container. ver5/ver6 are legacy DXArchive containers for \
+             old Wolf 2.0x games - leave on auto unless you specifically need them.",
+            |ui| {
+                egui::ComboBox::from_id_salt("repack_format")
+                    .selected_text(self.state.archive.repack_format.label())
+                    .show_ui(ui, |ui| {
+                        for f in [PackFormat::Auto, PackFormat::Ver5, PackFormat::Ver6] {
+                            ui.selectable_value(&mut self.state.archive.repack_format, f, f.label());
+                        }
+                    });
+            },
+        );
+
+        // Encryption is only meaningful for the modern (auto) container.
+        let auto = self.state.archive.repack_format == PackFormat::Auto;
+        ui.add_enabled_ui(auto, |ui| {
+            widgets::labeled_checkbox(
+                ui,
+                &mut self.state.archive.repack_encrypt,
+                "Encrypt",
+                "Encrypt the output archive. Usually only needed when shipping an encrypted \
+                 Data.wolf; most workflows leave this off and run the game on a loose Data folder.",
+            );
+        });
+
+        // The crypt-source radio + its inputs, shown only when encrypting an auto archive.
+        if auto && self.state.archive.repack_encrypt {
+            ui.add_space(2.0);
+            ui.horizontal(|ui| {
+                ui.radio_value(
+                    &mut self.state.archive.repack_crypt,
+                    RepackCryptMode::Default,
+                    "default version",
+                )
+                .on_hover_text("Use the standard default cryptVersion.");
+                ui.radio_value(
+                    &mut self.state.archive.repack_crypt,
+                    RepackCryptMode::Version,
+                    "match version",
+                )
+                .on_hover_text("Type a specific cryptVersion (e.g. 0x14b).");
+                ui.radio_value(
+                    &mut self.state.archive.repack_crypt,
+                    RepackCryptMode::Like,
+                    "like existing .wolf",
+                )
+                .on_hover_text("Inherit the cryptVersion + embedded password from an original archive (turnkey repack).");
+            });
+            match self.state.archive.repack_crypt {
+                RepackCryptMode::Default => {}
+                RepackCryptMode::Version => {
+                    widgets::form_row(ui, "Version", "", |ui| {
+                        ui.add(
+                            egui::TextEdit::singleline(&mut self.state.archive.repack_version_text)
+                                .hint_text("0x14b")
+                                .desired_width(120.0),
+                        )
+                        .on_hover_text("A cryptVersion as hex (0x14b) or decimal.");
+                    });
+                    if parse_crypt_version(&self.state.archive.repack_version_text).is_none() {
+                        ui.colored_label(
+                            egui::Color32::from_rgb(0xE0, 0xB0, 0x40),
+                            "Warning: not a valid version number",
+                        );
+                    }
+                }
+                RepackCryptMode::Like => {
+                    let mut like = self.state.archive.repack_like.clone();
+                    widgets::path_field(
+                        ui,
+                        "Original .wolf",
+                        &mut like,
+                        "An existing encrypted archive to copy the crypto from.",
+                        || widgets::pick_file(&[("Wolf archive", &["wolf"]), ("All files", &["*"])]),
+                    );
+                    self.state.archive.repack_like = like;
+                }
+            }
+        }
+
+        ui.add_space(8.0);
+        let running = self.jobs.is_running();
+        let ready = self.repack_ready();
+        ui.add_enabled_ui(ready && !running, |ui| {
+            if ui
+                .button("Repack ▶")
+                .on_hover_text("Rebuild the archive from the folder on a background thread.")
+                .clicked()
+            {
+                self.start_repack_job();
+            }
+        });
+        if !ready {
+            widgets::caption(
+                ui,
+                "Pick an input folder and an output .wolf (and, for \"like\"/\"match\", a valid \
+                 source/version) to enable Repack.",
+            );
+        }
+    }
+
+    /// True when the Repack inputs are complete enough to run (folder + output, and a resolvable
+    /// crypt source when encrypting).
+    fn repack_ready(&self) -> bool {
+        let a = &self.state.archive;
+        if a.repack_in.is_none() || a.repack_out.is_none() {
+            return false;
+        }
+        if a.repack_format == PackFormat::Auto && a.repack_encrypt {
+            return match a.repack_crypt {
+                RepackCryptMode::Default => true,
+                RepackCryptMode::Version => parse_crypt_version(&a.repack_version_text).is_some(),
+                RepackCryptMode::Like => a.repack_like.is_some(),
+            };
+        }
+        true
+    }
+
+    /// Spawn the Unpack job: extract the archive into the output folder on a worker thread, reusing
+    /// the library's `extract_archive` via [`archive::unpack`]. Bad/odd filenames are sanitised and
+    /// reported, never written outside the output folder.
+    fn start_unpack_job(&mut self) {
+        let Some(arc) = self.state.archive.unpack_archive.clone() else {
+            return;
+        };
+        let Some(out) = self.state.archive.unpack_out.clone() else {
+            return;
+        };
+        // Remember the output dir so the running→idle transition can rescan it (and adopt it as the
+        // project's data_dir when it sits under the project root) the moment the job finishes.
+        self.pending_unpack_out = Some(out.clone());
+        self.jobs.run(format!("Unpack {}", arc.display()), &mut self.log, move |rep| {
+            let outcome = archive::unpack(&arc, &out, |frac, msg| rep.progress(frac, msg))?;
+            for (orig, safe) in &outcome.sanitised {
+                if safe.is_empty() {
+                    rep.warn(format!("skipped odd archive entry {orig:?} (no safe path)"));
+                } else {
+                    rep.warn(format!("sanitised archive path {orig:?} → {safe:?}"));
+                }
+            }
+            rep.info(format!("{} file(s) → {}", outcome.written, outcome.out_dir.display()));
+            Ok(format!("{} file(s) → {}", outcome.written, outcome.out_dir.display()))
+        });
+    }
+
+    /// Spawn the Unpack-all job: unpack every `.wolf` in the chosen folder into per-archive
+    /// subfolders on a worker thread, reusing [`archive::unpack_all`]. Each archive's result is
+    /// logged, and the output root is rescanned when the job finishes (so new files show up).
+    fn start_unpack_all_job(&mut self) {
+        let Some(dir) = self.state.archive.unpack_all_dir.clone() else {
+            return;
+        };
+        let Some(out) = self.state.archive.unpack_all_out.clone() else {
+            return;
+        };
+        self.pending_unpack_out = Some(out.clone());
+        self.jobs.run(format!("Unpack all in {}", dir.display()), &mut self.log, move |rep| {
+            let outcome = archive::unpack_all(&dir, &out, |frac, msg| rep.progress(frac, msg))?;
+            for (name, res) in &outcome.details {
+                match res {
+                    Ok(n) => rep.info(format!("{name} → {n} file(s)")),
+                    Err(e) => rep.warn(format!("{name} failed: {e}")),
+                }
+            }
+            let summary = if outcome.failed > 0 {
+                format!(
+                    "{} archive(s), {} file(s) → {} ({} failed)",
+                    outcome.ok,
+                    outcome.files,
+                    outcome.out_root.display(),
+                    outcome.failed
+                )
+            } else {
+                format!(
+                    "{} archive(s), {} file(s) → {}",
+                    outcome.ok,
+                    outcome.files,
+                    outcome.out_root.display()
+                )
+            };
+            Ok(summary)
+        });
+    }
+
+    /// Spawn the Repack job: gather the folder + pack it with the chosen options on a worker thread,
+    /// reusing the library `pack_*` paths via [`archive::repack`].
+    fn start_repack_job(&mut self) {
+        let a = &self.state.archive;
+        let Some(input) = a.repack_in.clone() else {
+            return;
+        };
+        let Some(out) = a.repack_out.clone() else {
+            return;
+        };
+        // Assemble the PackOptions from the UI (resolve the crypt source).
+        let crypt = match a.repack_crypt {
+            RepackCryptMode::Default => CryptSource::Default,
+            RepackCryptMode::Version => match parse_crypt_version(&a.repack_version_text) {
+                Some(v) => CryptSource::Version(v),
+                None => {
+                    self.log.error("repack: invalid cryptVersion");
+                    return;
+                }
+            },
+            RepackCryptMode::Like => match a.repack_like.clone() {
+                Some(p) => CryptSource::Like(p),
+                None => {
+                    self.log.error("repack: pick an original .wolf for \"like existing\"");
+                    return;
+                }
+            },
+        };
+        let opts = PackOptions {
+            encrypt: a.repack_encrypt,
+            crypt,
+            format: a.repack_format,
+        };
+        self.jobs.run(format!("Repack → {}", out.display()), &mut self.log, move |rep| {
+            let outcome = archive::repack(&input, &out, &opts, |frac, msg| rep.progress(frac, msg))?;
+            Ok(format!(
+                "{} file(s) → {} ({} bytes, {})",
+                outcome.files,
+                outcome.out.display(),
+                outcome.bytes,
+                outcome.mode
+            ))
+        });
+    }
+
+    // --- stubbed sections -----------------------------------------------------------------
+
+    fn ui_decompile(&mut self, ui: &mut egui::Ui) {
+        // Pump any background result (the freshly-decompiled WolfScript) into section state first, so
+        // the rest of this frame renders what the just-finished job produced.
+        self.poll_decompile_result();
+
+        ui.heading("Decompile");
+        widgets::caption(ui, "Render maps and common events to readable, editable WolfScript - and recompile byte-exact.");
+        ui.add_space(6.0);
+
+        // Ctrl+F toggles the find bar (only meaningful once a script is loaded). Consuming the
+        // shortcut here keeps it working from anywhere in the section.
+        let have_script = !self.state.decompile.script.is_empty();
+        if have_script
+            && ui.input_mut(|i| i.consume_key(egui::Modifiers::COMMAND, egui::Key::F))
+        {
+            let f = &mut self.state.decompile.find;
+            f.open = true;
+            f.focus_query = true; // grab the query field next frame so the user can type at once.
+        }
+
+        // Default the input to the open project's data dir (no file pre-selected) the first time.
+        self.decompile_input_row(ui);
+        ui.add_space(6.0);
+        self.decompile_action_row(ui);
+        ui.add_space(6.0);
+        ui.separator();
+        ui.add_space(6.0);
+        self.decompile_editor(ui);
+    }
+
+    /// The input field + the Decompile button.
+    fn decompile_input_row(&mut self, ui: &mut egui::Ui) {
+        // A project dropdown of the scanned code files (MapData/*.mps + CommonEvent.dat), above the
+        // Browse field for files outside the project.
+        if let Some(code) = self.project.as_ref().map(|p| p.code_files.clone()) {
+            let mut input = self.state.decompile.input.clone();
+            if project_combo(
+                ui,
+                "decompile_combo",
+                "Project file",
+                &code,
+                &mut input,
+                "Pick a map / CommonEvent from the open game (or use Browse below for a file outside it).",
+            ) {
+                self.state.decompile.input = input;
+            }
+        }
+
+        // Seed the picker's start dir from the open project's data dir. Don't auto-pick a file,
+        // since there are many candidate .mps maps and the user chooses.
+        let start = self
+            .project
+            .as_ref()
+            .and_then(|p| p.data_dir.clone());
+        let mut input = self.state.decompile.input.clone();
+        widgets::path_field(
+            ui,
+            "Input",
+            &mut input,
+            "Decompile = turn a map/common-event into readable WolfScript you can edit. Pick a .mps \
+             map or CommonEvent.dat.",
+            move || {
+                widgets::pick_file_in(
+                    start.as_deref(),
+                    &[("Wolf event file", &["mps", "dat"]), ("All files", &["*"])],
+                )
+            },
+        );
+        self.state.decompile.input = input;
+
+        // Warn early if the pick isn't a code-bearing file. Decompile still runs and gives a clear error.
+        if let Some(f) = &self.state.decompile.input {
+            if !decompile::is_supported(f) {
+                ui.colored_label(
+                    egui::Color32::from_rgb(0xE0, 0xB0, 0x40),
+                    "Warning: not a decompilable file (decompile supports .mps maps and CommonEvent.dat).",
+                );
+            }
+        }
+    }
+
+    /// The action row: Decompile, plus Open/Save .wscript and the Compile controls.
+    fn decompile_action_row(&mut self, ui: &mut egui::Ui) {
+        let running = self.jobs.is_running();
+        let have_input = self.state.decompile.input.is_some();
+        ui.horizontal(|ui| {
+            ui.add_enabled_ui(have_input && !running, |ui| {
+                if ui
+                    .button("Decompile ▶")
+                    .on_hover_text("Decompile the input to editable WolfScript on a background thread.")
+                    .clicked()
+                {
+                    self.start_decompile_job();
+                }
+            });
+            ui.add_enabled_ui(!running, |ui| {
+                if ui
+                    .button("Open .wscript…")
+                    .on_hover_text("Load an existing WolfScript document to compile (its base is the Input above).")
+                    .clicked()
+                {
+                    self.decompile_open_script();
+                }
+                if !self.state.decompile.script.is_empty()
+                    && ui
+                        .button("Save .wscript…")
+                        .on_hover_text("Export the current WolfScript text to a .wscript file.")
+                        .clicked()
+                {
+                    self.decompile_save_script();
+                }
+                if !self.state.decompile.script.is_empty()
+                    && ui
+                        .button("Clear")
+                        .on_hover_text("Close the script and free its memory (a large file's editor layout is the heaviest thing the GUI holds). Discards unsaved edits.")
+                        .clicked()
+                {
+                    self.clear_decompile();
+                }
+            });
+        });
+
+        // The Compile row: output target + the Compile button (needs a script + a base).
+        let mut out = self.state.decompile.out.clone();
+        let start = out.clone().or_else(|| self.state.decompile.input.clone());
+        widgets::path_field(
+            ui,
+            "Compile to",
+            &mut out,
+            "Where Compile writes the recompiled file (defaults to <input>.out).",
+            move || widgets::save_file(
+                &start
+                    .as_ref()
+                    .and_then(|p| p.file_name().and_then(|s| s.to_str()))
+                    .map(|n| format!("{n}.out"))
+                    .unwrap_or_else(|| "compiled.out".to_string()),
+                &[("Wolf event file", &["mps", "dat", "out"]), ("All files", &["*"])],
+            ),
+        );
+        self.state.decompile.out = out;
+
+        let have_script = !self.state.decompile.script.is_empty();
+        let have_base = self.state.decompile.base.is_some() || self.state.decompile.input.is_some();
+        ui.add_enabled_ui(have_script && have_base && !running, |ui| {
+            if ui
+                .button("Compile ▶")
+                .on_hover_text("Compile needs the original file as a base so unknown bytes are preserved. Recompiles the edited WolfScript onto the base.")
+                .clicked()
+            {
+                self.start_compile_job();
+            }
+        });
+        if !have_script {
+            widgets::caption(ui, "Decompile a file (or Open a .wscript) to enable Compile.");
+        } else if !have_base {
+            widgets::caption(ui, "Pick the original Input file (the compile base) to enable Compile.");
+        }
+    }
+
+    /// The WolfScript editor: a large monospace code editor inside a scroll area, with a line count.
+    ///
+    /// Perf: egui re-lays-out the whole `TextEdit` buffer every frame, and word-wrapping is the
+    /// dominant cost. Wrapping forces per-glyph width measurement of every line against the viewport
+    /// width on each layout pass. Giving the editor an infinite desired width inside a **both-axis**
+    /// `ScrollArea` disables wrapping, so each line lays out at its natural width with no wrap-point
+    /// search (horizontal scrolling instead). For code this is also the correct behaviour (lines
+    /// shouldn't reflow). On a big CommonEvent (thousands of lines) this is much cheaper than a
+    /// vertical-only scroll that clamps the editor to the viewport width and wraps every line each
+    /// frame. No re-decompile or buffer re-allocation happens per frame. Only the TextEdit's own
+    /// galley layout runs.
+    fn decompile_editor(&mut self, ui: &mut egui::Ui) {
+        /// Scripts at/above this size get a "large file" notice (in-app edits still work).
+        const LARGE_BYTES: usize = 200 * 1024;
+        /// …or at/above this many lines.
+        const LARGE_LINES: usize = 5000;
+
+        if self.state.decompile.script.is_empty() {
+            widgets::caption(
+                ui,
+                "No WolfScript loaded. Pick a .mps map or CommonEvent.dat and press Decompile, or \
+                 Open an existing .wscript.",
+            );
+            return;
+        }
+        let lines = self.state.decompile.script.lines().count();
+        let chars = self.state.decompile.script.len();
+        ui.horizontal(|ui| {
+            ui.label(egui::RichText::new(format!("{lines} line(s) · {chars} bytes")).strong());
+            if let Some(base) = &self.state.decompile.base {
+                ui.separator();
+                ui.label(
+                    egui::RichText::new(format!("base: {}", base.display())).weak(),
+                );
+            }
+        });
+
+        // For very large scripts, surface the "edit externally" escape hatch. In-app edits still
+        // work. Save .wscript, edit in your editor, then Open .wscript to bring it back.
+        if chars >= LARGE_BYTES || lines >= LARGE_LINES {
+            ui.colored_label(
+                egui::Color32::from_rgb(0xE0, 0xB0, 0x40),
+                "Warning: large script — editing stays responsive (lines don't wrap; scroll horizontally). \
+                 For heavy edits you can Save .wscript, edit it externally, then Open .wscript.",
+            );
+        }
+        // The find-in-editor (Ctrl+F) bar sits just above the editor. It also returns the pending
+        // match (a char range) to select + scroll to in this frame's TextEdit.
+        self.decompile_find_bar(ui);
+
+        ui.add_space(4.0);
+        // A generous, responsive code editor for potentially large CommonEvents. Both-axis scroll
+        // plus an infinite desired width disable word-wrap (the big per-frame layout cost). See the
+        // method doc. The CJK fallback is installed on the Monospace family (see `install_cjk_font`),
+        // so `.code_editor()` (which uses Monospace) renders Japanese here instead of tofu.
+        let pending = self.state.decompile.find.pending_select.take();
+        egui::ScrollArea::both()
+            .auto_shrink([false, false])
+            .show(ui, |ui| {
+                let mut output = egui::TextEdit::multiline(&mut self.state.decompile.script)
+                    .code_editor()
+                    .desired_rows(28)
+                    // Infinite width means no wrap-point search. Lines lay out at natural width and
+                    // the horizontal ScrollArea handles overflow.
+                    .desired_width(f32::INFINITY)
+                    .show(ui);
+
+                // If the find bar asked to jump to a match, set the editor's selection to that char
+                // range and scroll it into view. We set the selection on the stored state (so egui
+                // shows it next frame) AND scroll directly via the galley this frame (so the jump is
+                // immediate and reliable regardless of focus timing). egui's own cursor-scroll only
+                // fires when the editor is focused and the selection changed.
+                if let Some((start, end)) = pending {
+                    use egui::text::{CCursor, CCursorRange};
+                    let range = CCursorRange::two(CCursor::new(start), CCursor::new(end));
+                    output.state.cursor.set_char_range(Some(range));
+                    output.state.clone().store(ui.ctx(), output.response.id);
+                    // Scroll the inner ScrollArea to the match's rect (galley-local to screen coords).
+                    let cursor_rect = output
+                        .galley
+                        .pos_from_ccursor(CCursor::new(start))
+                        .translate(output.galley_pos.to_vec2());
+                    ui.scroll_to_rect(cursor_rect, Some(egui::Align::Center));
+                    // Focus the editor so the selection highlight is visible.
+                    output.response.request_focus();
+                }
+            });
+    }
+
+    /// The find-in-editor (Ctrl+F) bar: a query field, Prev/Next, a match counter, an optional
+    /// case toggle, and a close (×). Recomputes the match list each frame from the script + query, and
+    /// (on a navigation) stashes the current match's char range in `find.pending_select` for the
+    /// editor to select + scroll to. Renders nothing when the bar is closed.
+    fn decompile_find_bar(&mut self, ui: &mut egui::Ui) {
+        if !self.state.decompile.find.open {
+            return;
+        }
+        // Compute matches up front (immutable borrow of the script), then mutate find state.
+        let matches = decompile::find_matches(
+            &self.state.decompile.script,
+            &self.state.decompile.find.query,
+            self.state.decompile.find.case_sensitive,
+        );
+        let count = matches.len();
+
+        let f = &mut self.state.decompile.find;
+        // Keep `current` in range as matches change.
+        if count == 0 {
+            f.current = 0;
+        } else if f.current >= count {
+            f.current = count - 1;
+        }
+
+        // `go` is set when the user navigates this frame: +1 next, -1 prev, 0 = jump to current
+        // (e.g. just after typing). We resolve it to a concrete match index at the end.
+        let mut nav: Option<isize> = None;
+
+        ui.horizontal(|ui| {
+            ui.label("Find");
+            // Enter = next, Shift+Enter = prev, handled via the response below.
+            let resp = ui.add(
+                egui::TextEdit::singleline(&mut f.query)
+                    .hint_text("find in script")
+                    .desired_width(220.0),
+            );
+            if f.focus_query {
+                resp.request_focus();
+                f.focus_query = false;
+            }
+            // On a query change, jump to the first match from the top.
+            if resp.changed() {
+                f.current = 0;
+                nav = Some(0);
+            }
+            if resp.lost_focus() && ui.input(|i| i.key_pressed(egui::Key::Enter)) {
+                let shift = ui.input(|i| i.modifiers.shift);
+                nav = Some(if shift { -1 } else { 1 });
+                // Keep typing/searching: re-focus the query field after an Enter.
+                f.focus_query = true;
+            }
+
+            ui.add_enabled_ui(count > 0, |ui| {
+                if ui.button("◀ Prev").on_hover_text("Previous match (Shift+Enter).").clicked() {
+                    nav = Some(-1);
+                }
+                if ui.button("Next ▶").on_hover_text("Next match (Enter).").clicked() {
+                    nav = Some(1);
+                }
+            });
+
+            // The match counter ("3 / 17", or "0 / 0" / "no matches").
+            let counter = if f.query.is_empty() {
+                String::new()
+            } else if count == 0 {
+                "no matches".to_string()
+            } else {
+                format!("{} / {}", f.current + 1, count)
+            };
+            if !counter.is_empty() {
+                ui.label(egui::RichText::new(counter).weak());
+            }
+
+            ui.checkbox(&mut f.case_sensitive, "Aa")
+                .on_hover_text("Case-sensitive matching (off = case-insensitive).");
+
+            if ui.button("×").on_hover_text("Close find (Esc).").clicked() {
+                f.open = false;
+            }
+        });
+
+        // Esc closes the bar.
+        if ui.input(|i| i.key_pressed(egui::Key::Escape)) {
+            f.open = false;
+        }
+
+        // Resolve a navigation request to a concrete match and stash its range for the editor.
+        if let Some(delta) = nav {
+            if count > 0 {
+                let cur = f.current as isize;
+                let next = (cur + delta).rem_euclid(count as isize) as usize;
+                f.current = next;
+                let m = matches[next];
+                f.pending_select = Some((m.start, m.end));
+            }
+        }
+    }
+
+    // --- Decompile background jobs + sync helpers -----------------------------------------
+
+    /// Drain the heavy-result side-channel: a finished Decompile job hands its WolfScript here.
+    fn poll_decompile_result(&mut self) {
+        let Some(rx) = &self.state.decompile.result_rx else {
+            return;
+        };
+        let mut disconnected = false;
+        loop {
+            match rx.try_recv() {
+                Ok(DecompileResult::Text(input, text)) => {
+                    self.state.decompile.script = text;
+                    // The decompiled input is the compile base (so unknown bytes are preserved).
+                    self.state.decompile.base = Some(input.clone());
+                    // Default the compile output to <input>.out the first time (or when unset).
+                    if self.state.decompile.out.is_none() {
+                        let mut name = input.file_name().map(|s| s.to_os_string()).unwrap_or_default();
+                        name.push(".out");
+                        self.state.decompile.out = Some(input.with_file_name(name));
+                    }
+                }
+                Err(std::sync::mpsc::TryRecvError::Empty) => break,
+                Err(std::sync::mpsc::TryRecvError::Disconnected) => {
+                    disconnected = true;
+                    break;
+                }
+            }
+        }
+        if disconnected && !self.jobs.is_running() {
+            self.state.decompile.result_rx = None;
+        }
+    }
+
+    /// Spawn the Decompile job: render the input to editable WolfScript off the worker thread, hand
+    /// the text back via the side-channel (mirrors the CLI's `decompile --mode edit`).
+    fn start_decompile_job(&mut self) {
+        let Some(input) = self.state.decompile.input.clone() else {
+            return;
+        };
+        let (tx, rx) = std::sync::mpsc::channel();
+        self.state.decompile.result_rx = Some(rx);
+        self.jobs.run(format!("Decompile {}", input.display()), &mut self.log, move |rep| {
+            rep.progress(0.2, "decompiling…");
+            let text = decompile::decompile_edit(&input)?;
+            let lines = text.lines().count();
+            let _ = tx.send(DecompileResult::Text(input.clone(), text));
+            rep.progress(1.0, "done");
+            Ok(format!("decompiled {} ({lines} line(s) of WolfScript)", input.display()))
+        });
+    }
+
+    /// Spawn the Compile job: recompile the edited WolfScript onto the stored base (the original
+    /// input, so unknown bytes are preserved) and write to the chosen output (mirrors the CLI's
+    /// `compile`). The compiled bytes are re-parsed before the write is reported.
+    fn start_compile_job(&mut self) {
+        let text = self.state.decompile.script.clone();
+        let Some(base) = self
+            .state
+            .decompile
+            .base
+            .clone()
+            .or_else(|| self.state.decompile.input.clone())
+        else {
+            self.log.error("compile: no base file (Decompile a file or pick the Input first)");
+            return;
+        };
+        // Default the output to <base>.out when none was chosen.
+        let out = self.state.decompile.out.clone().unwrap_or_else(|| {
+            let mut name = base.file_name().map(|s| s.to_os_string()).unwrap_or_default();
+            name.push(".out");
+            base.with_file_name(name)
+        });
+        self.jobs.run(format!("Compile → {}", out.display()), &mut self.log, move |rep| {
+            rep.progress(0.3, "compiling…");
+            let outcome = decompile::compile_to(&text, &base, &out)?;
+            rep.progress(1.0, "done");
+            Ok(format!(
+                "wrote {} ({} bytes{})",
+                outcome.out.display(),
+                outcome.bytes,
+                if outcome.byte_identical { ", byte-identical to base" } else { "" }
+            ))
+        });
+    }
+
+    /// Save the current WolfScript buffer to a chosen `.wscript` file (synchronous text write).
+    fn decompile_save_script(&mut self) {
+        let default = self
+            .state
+            .decompile
+            .base
+            .as_ref()
+            .or(self.state.decompile.input.as_ref())
+            .and_then(|p| p.file_stem().and_then(|s| s.to_str()))
+            .map(|s| format!("{s}.wscript"))
+            .unwrap_or_else(|| "script.wscript".to_string());
+        let Some(path) = widgets::save_file(&default, &[("WolfScript", &["wscript", "txt"])]) else {
+            return;
+        };
+        match std::fs::write(&path, &self.state.decompile.script) {
+            Ok(()) => self.log.info(format!("saved WolfScript → {}", path.display())),
+            Err(e) => self.log.error(format!("save .wscript failed: {e}")),
+        }
+    }
+
+    /// Load an existing `.wscript` into the editor (synchronous). The compile base stays the Input
+    /// file the user picked above (compile needs the matching original).
+    fn decompile_open_script(&mut self) {
+        let Some(path) = widgets::pick_file(&[("WolfScript", &["wscript", "txt"]), ("All files", &["*"])])
+        else {
+            return;
+        };
+        match std::fs::read_to_string(&path) {
+            Ok(text) => {
+                let lines = text.lines().count();
+                self.state.decompile.script = text;
+                self.log.info(format!(
+                    "loaded WolfScript ({lines} line(s)) from {} — set the Input above to its original file before Compile",
+                    path.display()
+                ));
+            }
+            Err(e) => self.log.error(format!("open .wscript failed: {e}")),
+        }
+    }
+
+    fn ui_database(&mut self, ui: &mut egui::Ui) {
+        // Pump any background result (a freshly loaded / reloaded grid model) into section state first.
+        self.poll_database_result();
+
+        // Default the path to the open project's main DataBase.project the first time we're shown.
+        if self.state.database.path.is_none() {
+            if let Some(p) = self.database_default_project() {
+                self.state.database.path = Some(p);
+            }
+        }
+
+        // Layout: the heading + path row sit in a fixed top region, the Save controls in a fixed
+        // bottom region, and the (independently scrolling) grid fills the space between them. Using
+        // nested panels keeps each region in its own rectangle so the grid never draws over the
+        // controls (the old single-`ui` flow let the grid's inner CentralPanel claim all remaining
+        // height and paint on top of the Save row).
+        egui::TopBottomPanel::top("db_top")
+            .resizable(false)
+            .show_inside(ui, |ui| {
+                ui.heading("Database");
+                widgets::caption(
+                    ui,
+                    "Database = items, skills, enemies, etc. — edit values in the grid (no JSON needed).",
+                );
+                ui.add_space(6.0);
+                self.database_path_row(ui);
+                ui.add_space(4.0);
+            });
+
+        if self.state.database.loaded.is_none() {
+            egui::CentralPanel::default().show_inside(ui, |ui| {
+                widgets::caption(
+                    ui,
+                    "No database loaded. Pick a .project (a game has several: DataBase / CDataBase / \
+                     SysDatabase) and press Load.",
+                );
+            });
+            return;
+        }
+
+        // Save controls pinned to the bottom (drawn before the central grid so the grid gets the
+        // remaining height and the two regions never overlap).
+        egui::TopBottomPanel::bottom("db_save")
+            .resizable(false)
+            .show_inside(ui, |ui| {
+                ui.add_space(4.0);
+                self.database_save_row(ui);
+            });
+
+        // The grid fills the remaining space and scrolls independently below the controls.
+        egui::CentralPanel::default().show_inside(ui, |ui| {
+            self.database_grid(ui);
+        });
+    }
+
+    /// The open project's `DataBase.project`, if its data dir holds one (the sensible default).
+    fn database_default_project(&self) -> Option<PathBuf> {
+        let data_dir = self.project.as_ref().and_then(|p| p.data_dir.clone())?;
+        // The DB pairs live under the data dir or its BasicData/ subfolder.
+        for cand in [data_dir.join("DataBase.project"), data_dir.join("BasicData").join("DataBase.project")] {
+            if cand.exists() {
+                return Some(cand);
+            }
+        }
+        None
+    }
+
+    /// The `.project` path field + Load/Reload buttons + the kind/encoding badges.
+    fn database_path_row(&mut self, ui: &mut egui::Ui) {
+        let mut path_changed = false;
+        // A project dropdown of the scanned databases (BasicData/*.project), above the Browse field.
+        if let Some(dbs) = self.project.as_ref().map(|p| p.databases.clone()) {
+            let mut path = self.state.database.path.clone();
+            if project_combo(
+                ui,
+                "database_combo",
+                "Project DB",
+                &dbs,
+                &mut path,
+                "Pick a database (.project) from the open game: DataBase / CDataBase / SysDatabase.",
+            ) {
+                self.state.database.path = path;
+                self.state.database.out_project = None;
+                path_changed = true;
+            }
+        }
+
+        let start = self.state.database.path.clone();
+        let mut path = self.state.database.path.clone();
+        let changed = widgets::path_field(
+            ui,
+            "Database",
+            &mut path,
+            "A database .project (its sibling .dat is loaded automatically). A game has several: \
+             DataBase (items/skills/enemies), CDataBase (system config), SysDatabase.",
+            move || {
+                let start_dir = start.as_ref().and_then(|p| p.parent());
+                widgets::pick_file_in(start_dir, &[("Database project", &["project"]), ("All files", &["*"])])
+            },
+        );
+        self.state.database.path = path;
+        // Picking a fresh .project clears the previous output choice (it pointed at the old DB).
+        if changed {
+            self.state.database.out_project = None;
+            path_changed = true;
+        }
+
+        // Auto-load the moment the selection or path changes, so switching databases does not need a
+        // manual Load click. Discards unsaved edits to the previous DB (it was a different table).
+        if path_changed && self.state.database.path.is_some() && !self.jobs.is_running() {
+            self.start_database_load_job();
+        }
+
+        ui.add_space(4.0);
+        let running = self.jobs.is_running();
+        let have = self.state.database.path.is_some();
+        ui.horizontal(|ui| {
+            ui.add_enabled_ui(have && !running, |ui| {
+                if ui
+                    .button("Load")
+                    .on_hover_text("Read the .project + .dat pair and fill the grid with its current values.")
+                    .clicked()
+                {
+                    self.start_database_load_job();
+                }
+            });
+            if self.state.database.loaded.is_some()
+                && ui
+                    .button("Reload")
+                    .on_hover_text("Discard edits and reload the values from disk.")
+                    .clicked()
+            {
+                self.start_database_load_job();
+            }
+            if self.state.database.loaded.is_some()
+                && ui
+                    .button("Unload")
+                    .on_hover_text("Close the database and free its memory (discards unsaved edits).")
+                    .clicked()
+            {
+                self.unload_database();
+            }
+            // Export the whole database to a JSON file (full structure, all rows/fields/numbers) so it
+            // can be edited outside the GUI, and import an edited JSON back. Exports the ON-DISK state,
+            // so Save first if you want grid edits included.
+            ui.add_enabled_ui(have && !running, |ui| {
+                if ui
+                    .button("Export JSON…")
+                    .on_hover_text("Write the full database to a .json file you can edit in any editor (Save first to include grid edits).")
+                    .clicked()
+                {
+                    if let Some(out) = widgets::save_file("database.json", &[("JSON", &["json"])]) {
+                        self.start_database_export_job(out);
+                    }
+                }
+                if ui
+                    .button("Import JSON…")
+                    .on_hover_text("Apply an edited database .json back onto the .project + .dat (the originals are backed up first), then reload.")
+                    .clicked()
+                {
+                    if let Some(json) = widgets::pick_file(&[("JSON", &["json"]), ("All files", &["*"])]) {
+                        self.start_database_import_job(json);
+                    }
+                }
+            });
+            // The kind + encoding badges (read-only), shown once a model is loaded.
+            if let Some(m) = &self.state.database.loaded {
+                ui.separator();
+                ui.label(
+                    egui::RichText::new(format!(" {} ", m.kind))
+                        .strong()
+                        .background_color(egui::Color32::from_rgb(0x40, 0x80, 0xE0))
+                        .color(egui::Color32::BLACK),
+                )
+                .on_hover_text("UDB = the main user database (items/skills/enemies); CDB = system config; SDB = engine system.");
+                ui.separator();
+                ui.label(egui::RichText::new(format!(" {} ", m.encoding)).strong())
+                    .on_hover_text("How the strings are stored. A Shift-JIS database can only hold characters representable in Shift-JIS.");
+            }
+        });
+    }
+
+    /// The two-pane grid: the type (table) selector on the left, the selected type's rows as an
+    /// editable table on the right.
+    fn database_grid(&mut self, ui: &mut egui::Ui) {
+        // Left: a selectable list of types with their row counts.
+        egui::SidePanel::left("db_types")
+            .resizable(true)
+            .default_width(240.0)
+            .show_inside(ui, |ui| {
+                ui.label(egui::RichText::new("Types (tables)").strong())
+                    .on_hover_text("Each type is a table: Skill, Item, Enemy, … Pick one to edit its rows.");
+                ui.add_space(2.0);
+                egui::ScrollArea::vertical().auto_shrink([false, false]).show(ui, |ui| {
+                    let db = &mut self.state.database;
+                    let Some(model) = &db.loaded else { return };
+                    if db.selected_type >= model.types.len() {
+                        db.selected_type = 0;
+                    }
+                    for (i, t) in model.types.iter().enumerate() {
+                        let edited = t.changed_count();
+                        let mut label = format!("{}  ({} rows)", t.name, t.rows.len());
+                        if edited > 0 {
+                            // The edit badge stays on the row (it wraps with the rest of the text).
+                            label.push_str(&format!("  ● {edited}"));
+                        }
+                        // A custom full-width row that allocates at the wrapped text height and paints
+                        // a rounded, padded highlight, so a two-line type name is fully contained.
+                        if selectable_row(ui, db.selected_type == i, &label).clicked() {
+                            db.selected_type = i;
+                            db.filter.clear();
+                        }
+                    }
+                });
+            });
+
+        // Right: the selected type's filter/counter bar + the editable rows table.
+        egui::CentralPanel::default().show_inside(ui, |ui| {
+            self.database_rows_pane(ui);
+        });
+    }
+
+    /// The right pane: a filter box over row names, a row counter, and the editable rows table
+    /// (first column = the row name, then one column per data field).
+    fn database_rows_pane(&mut self, ui: &mut egui::Ui) {
+        use egui_extras::{Column, TableBuilder};
+
+        let db = &mut self.state.database;
+        let Some(model) = &mut db.loaded else { return };
+        let Some(t) = model.types.get_mut(db.selected_type) else {
+            widgets::caption(ui, "Select a type on the left.");
+            return;
+        };
+
+        // Filter/counter bar.
+        let total = t.rows.len();
+        ui.horizontal(|ui| {
+            ui.label(egui::RichText::new(&t.name).strong());
+            ui.separator();
+            ui.label("Filter:");
+            ui.add(
+                egui::TextEdit::singleline(&mut db.filter)
+                    .hint_text("search row names")
+                    .desired_width(200.0),
+            );
+            ui.separator();
+            ui.label(egui::RichText::new(format!("{total} row(s)")).strong());
+        });
+        ui.add_space(4.0);
+
+        if t.fields.is_empty() {
+            widgets::caption(ui, "This type has no editable data fields.");
+            return;
+        }
+
+        // Which row indices pass the (row-name) filter. When no filter is active we skip building an
+        // index Vec entirely and address rows directly, so the common case has no per-frame O(rows)
+        // allocation or scan on top of the now-virtualized body.
+        let needle = db.filter.to_lowercase();
+        let filtered: Option<Vec<usize>> = if needle.is_empty() {
+            None
+        } else {
+            Some(
+                t.rows
+                    .iter()
+                    .enumerate()
+                    .filter(|(_, r)| r.name.to_lowercase().contains(&needle))
+                    .map(|(i, _)| i)
+                    .collect(),
+            )
+        };
+        let count = filtered.as_ref().map_or(t.rows.len(), Vec::len);
+        if count == 0 {
+            widgets::caption(ui, "No rows match the current filter.");
+            return;
+        }
+
+        let text_h = egui::TextStyle::Body.resolve(ui.style()).size;
+        let field_labels = t.fields.clone();
+        // The egui_extras Table only scrolls vertically. A type with many fields is wider than the
+        // pane, so wrap the whole table in a horizontal ScrollArea: the outer area pans sideways
+        // while the Table's own vertical scroll keeps the rows virtualized. Bound the table height to
+        // the space left so the inner vertical scroll has a viewport to virtualize against.
+        let avail_h = ui.available_height();
+        egui::ScrollArea::horizontal()
+            .auto_shrink([false, false])
+            .show(ui, |ui| {
+                let mut builder = TableBuilder::new(ui)
+                    .striped(true)
+                    .resizable(true)
+                    .max_scroll_height(avail_h)
+                    .cell_layout(egui::Layout::left_to_right(egui::Align::TOP))
+                    .column(Column::auto().at_least(40.0)) // id
+                    .column(Column::initial(160.0).at_least(90.0)); // name
+                for _ in &field_labels {
+                    builder = builder.column(Column::initial(130.0).at_least(70.0));
+                }
+                builder
+                    .header(text_h + 6.0, |mut header| {
+                        header.col(|ui| {
+                            ui.strong("id");
+                        });
+                        header.col(|ui| {
+                            ui.strong("name").on_hover_text(
+                                "The row's display name. Tip: translating names is best done in the \
+                                 Translation section's glossary so by-name lookups stay consistent.",
+                            );
+                        });
+                        for label in &field_labels {
+                            header.col(|ui| {
+                                ui.strong(label.as_str()).on_hover_text(label.as_str());
+                            });
+                        }
+                    })
+                    // Virtualized body: egui_extras only builds widgets for the rows actually on
+                    // screen, so a type with thousands of rows no longer lays out thousands of
+                    // TextEdits every frame. `r.index()` indexes into the filtered set.
+                    .body(|body| {
+                        body.rows(text_h * 2.0, count, |mut r| {
+                            let ri = filtered.as_ref().map_or(r.index(), |v| v[r.index()]);
+                            let row = &mut t.rows[ri];
+                            r.col(|ui| {
+                                ui.add(
+                                    egui::Label::new(
+                                        egui::RichText::new(row.id.to_string()).weak().small(),
+                                    )
+                                    .wrap(),
+                                );
+                            });
+                            r.col(|ui| {
+                                ui.add(
+                                    egui::TextEdit::singleline(&mut row.name)
+                                        .desired_width(f32::INFINITY),
+                                );
+                            });
+                            for cell in row.cells.iter_mut() {
+                                r.col(|ui| {
+                                    let hint = if cell.is_string { "" } else { "(number)" };
+                                    ui.add(
+                                        egui::TextEdit::singleline(&mut cell.value)
+                                            .hint_text(hint)
+                                            .desired_width(f32::INFINITY),
+                                    );
+                                });
+                            }
+                        });
+                    });
+            });
+    }
+
+    /// The Options + Save row: output choice (in place vs an output `.project`), backup toggle,
+    /// change counter, and Save.
+    fn database_save_row(&mut self, ui: &mut egui::Ui) {
+        let running = self.jobs.is_running();
+
+        // Output choice: in place (default) vs a Browse'd output .project.
+        let mut out = self.state.database.out_project.clone();
+        let mut in_place = out.is_none();
+        ui.horizontal(|ui| {
+            if ui
+                .radio(in_place, "Save in place")
+                .on_hover_text("Overwrite the loaded .project + .dat (backing up the originals first if the box is checked).")
+                .clicked()
+            {
+                in_place = true;
+                out = None;
+            }
+            let pick = ui
+                .radio(!in_place, "Save to a new .project")
+                .on_hover_text("Write the result to a chosen .project (its sibling .dat is written next to it); the originals are left untouched.")
+                .clicked();
+            if pick {
+                in_place = false;
+                if out.is_none() {
+                    out = widgets::save_file("DataBase.project", &[("Database project", &["project"])]);
+                }
+            }
+        });
+        if !in_place {
+            let mut o = out.clone();
+            widgets::path_field(
+                ui,
+                "Output .project",
+                &mut o,
+                "Where to write the edited database (the sibling .dat is written alongside it).",
+                || widgets::save_file("DataBase.project", &[("Database project", &["project"])]),
+            );
+            out = o;
+        }
+        self.state.database.out_project = out;
+
+        ui.add_space(4.0);
+        widgets::labeled_checkbox(
+            ui,
+            &mut self.state.database.backup,
+            "Back up originals",
+            "Copy the .project + .dat to *.bak before overwriting them in place. Leave ON unless you \
+             have your own backups (ignored when saving to a new file).",
+        );
+
+        let model = self.state.database.loaded.as_ref().expect("loaded checked by caller");
+        let changed = model.changed_count();
+        ui.horizontal(|ui| {
+            ui.label(egui::RichText::new(format!("{changed} cell(s)/name(s) edited")).strong());
+        });
+        ui.add_space(4.0);
+
+        let dirty = model.dirty();
+        let in_place_now = self.state.database.out_project.is_none();
+        ui.add_enabled_ui(dirty && !running, |ui| {
+            if ui
+                .button("Save ▶")
+                .on_hover_text(if in_place_now {
+                    "Apply the edits and write the .project + .dat back in place, byte-exact for untouched data."
+                } else {
+                    "Apply the edits and write the .project + .dat to the chosen output, byte-exact for untouched data."
+                })
+                .clicked()
+            {
+                self.start_database_save_job();
+            }
+        });
+        if !dirty {
+            widgets::caption(ui, "Edit a cell or row name to enable Save.");
+        }
+    }
+
+    // --- Database background jobs + sync helpers -------------------------------------------
+
+    /// Drain the heavy-result side-channel: a finished Load/Save job hands its (re)loaded model here.
+    fn poll_database_result(&mut self) {
+        let Some(rx) = &self.state.database.result_rx else {
+            return;
+        };
+        let mut disconnected = false;
+        loop {
+            match rx.try_recv() {
+                Ok(DbResult::Loaded(m)) => {
+                    let ntypes = m.types.len();
+                    self.state.database.loaded = Some(*m);
+                    if self.state.database.selected_type >= ntypes {
+                        self.state.database.selected_type = 0;
+                    }
+                }
+                Err(std::sync::mpsc::TryRecvError::Empty) => break,
+                Err(std::sync::mpsc::TryRecvError::Disconnected) => {
+                    disconnected = true;
+                    break;
+                }
+            }
+        }
+        if disconnected && !self.jobs.is_running() {
+            self.state.database.result_rx = None;
+        }
+    }
+
+    /// Spawn the Load job: read + render the `.project`+`.dat` pair into the grid model off the worker
+    /// thread, hand it back via the side-channel, and report type/row counts (mirrors `db-json`).
+    fn start_database_load_job(&mut self) {
+        let Some(path) = self.state.database.path.clone() else {
+            return;
+        };
+        let (tx, rx) = std::sync::mpsc::channel();
+        self.state.database.result_rx = Some(rx);
+        self.jobs.run(format!("Load {}", path.display()), &mut self.log, move |rep| {
+            rep.progress(0.3, "reading database…");
+            let model = database::load(&path)?;
+            let summary = format!(
+                "{} type(s), {} data row(s), {} encoding",
+                model.types.len(),
+                model.total_rows(),
+                model.encoding
+            );
+            let _ = tx.send(DbResult::Loaded(Box::new(model)));
+            rep.progress(1.0, "done");
+            Ok(summary)
+        });
+    }
+
+    /// Spawn the Save job: apply the grid edits onto a freshly-read base, re-parse the written pair to
+    /// verify it round-trips, and write both halves (in place when no output is chosen), then reload
+    /// from the written `.project` so the grid shows the persisted state. Mirrors the CLI's `db-apply`.
+    fn start_database_save_job(&mut self) {
+        // Move the loaded model onto the worker. It comes back (reloaded) via the side-channel.
+        let Some(model) = self.state.database.loaded.take() else {
+            return;
+        };
+        let backup = self.state.database.backup;
+        let output = self.state.database.out_project.clone().unwrap_or_else(|| model.project.clone());
+        let in_place = output == model.project;
+        let (tx, rx) = std::sync::mpsc::channel();
+        self.state.database.result_rx = Some(rx);
+        self.jobs.run(format!("Save database → {}", output.display()), &mut self.log, move |rep| {
+            rep.progress(0.3, "applying edits…");
+            match database::save(&model, &output, backup && in_place) {
+                Ok(outcome) => {
+                    for bak in &outcome.backups {
+                        rep.info(format!("backed up original → {}", bak.display()));
+                    }
+                    // Reload from the written .project so the grid reflects the persisted state.
+                    match database::load(&outcome.out_project) {
+                        Ok(fresh) => {
+                            let _ = tx.send(DbResult::Loaded(Box::new(fresh)));
+                        }
+                        Err(e) => {
+                            rep.warn(format!("reload after save failed: {e}"));
+                            let _ = tx.send(DbResult::Loaded(Box::new(model)));
+                        }
+                    }
+                    rep.progress(1.0, "done");
+                    Ok(format!(
+                        "{} cell(s)/name(s) changed → {} + {}{}",
+                        outcome.changed,
+                        outcome.out_project.display(),
+                        outcome.out_dat.display(),
+                        if outcome.byte_identical { " (byte-identical to base)" } else { "" }
+                    ))
+                }
+                Err(e) => {
+                    // Put the model back unchanged so the user's edits aren't lost.
+                    let _ = tx.send(DbResult::Loaded(Box::new(model)));
+                    rep.progress(1.0, "done");
+                    Err(e)
+                }
+            }
+        });
+    }
+
+    /// Spawn the DB export job: write the on-disk database to a `.json` file on a worker thread
+    /// (reads only the base path, so the live grid is untouched).
+    fn start_database_export_job(&mut self, out: PathBuf) {
+        let Some(base) = self.state.database.path.clone() else {
+            return;
+        };
+        self.jobs.run(format!("Export DB → {}", out.display()), &mut self.log, move |rep| {
+            rep.progress(0.4, "reading database…");
+            database::export_json(&base, &out)?;
+            rep.progress(1.0, "done");
+            Ok(format!("exported → {}", out.display()))
+        });
+    }
+
+    /// Spawn the DB import job: apply an edited `.json` onto the loaded database in place (backing up
+    /// the originals first), then reload the grid from the written result.
+    fn start_database_import_job(&mut self, json: PathBuf) {
+        let Some(base) = self.state.database.path.clone() else {
+            return;
+        };
+        let backup = self.state.database.backup;
+        let (tx, rx) = std::sync::mpsc::channel();
+        self.state.database.result_rx = Some(rx);
+        self.jobs.run(format!("Import DB ← {}", json.display()), &mut self.log, move |rep| {
+            rep.progress(0.3, "applying JSON…");
+            let outcome = database::import_json(&base, &json, &base, backup)?;
+            for bak in &outcome.backups {
+                rep.info(format!("backed up original → {}", bak.display()));
+            }
+            // Reload the grid from the written .project so it reflects the imported state.
+            match database::load(&outcome.out_project) {
+                Ok(fresh) => {
+                    let _ = tx.send(DbResult::Loaded(Box::new(fresh)));
+                }
+                Err(e) => rep.warn(format!("reload after import failed: {e}")),
+            }
+            rep.progress(1.0, "done");
+            Ok(format!(
+                "{} cell(s)/name(s) changed{}",
+                outcome.changed,
+                if outcome.byte_identical { " (no change)" } else { "" }
+            ))
+        });
+    }
+
+    fn ui_gamedat(&mut self, ui: &mut egui::Ui) {
+        // Pump any background result (a freshly loaded / reloaded model) into section state first.
+        self.poll_gamedat_result();
+
+        ui.heading("Game.dat");
+        widgets::caption(ui, "Edit every Game.dat field: title, fonts, splash/title messages, image paths.");
+        ui.add_space(6.0);
+
+        // Default the path to the open project's Game.dat the first time we're shown.
+        if self.state.gamedat.path.is_none() {
+            if let Some(p) = self.project.as_ref().and_then(|p| p.game_dat.clone()) {
+                self.state.gamedat.path = Some(p);
+            }
+        }
+
+        self.gamedat_path_row(ui);
+        ui.add_space(8.0);
+        ui.separator();
+        ui.add_space(6.0);
+
+        if self.state.gamedat.loaded.is_none() {
+            widgets::caption(ui, "No Game.dat loaded. Pick a Game.dat and press Load.");
+            return;
+        }
+        self.gamedat_form(ui);
+    }
+
+    /// The Game.dat path field + Load button + the encoding badge.
+    fn gamedat_path_row(&mut self, ui: &mut egui::Ui) {
+        let start = self.state.gamedat.path.clone();
+        let mut path = self.state.gamedat.path.clone();
+        widgets::path_field(
+            ui,
+            "Game.dat",
+            &mut path,
+            "The game's Game.dat (holds the window title, fonts, splash/title messages and image paths).",
+            move || {
+                let start_dir = start.as_ref().and_then(|p| p.parent());
+                widgets::pick_file_in(start_dir, &[("Game data", &["dat"]), ("All files", &["*"])])
+            },
+        );
+        self.state.gamedat.path = path;
+
+        ui.add_space(4.0);
+        let running = self.jobs.is_running();
+        let have = self.state.gamedat.path.is_some();
+        ui.horizontal(|ui| {
+            ui.add_enabled_ui(have && !running, |ui| {
+                if ui
+                    .button("Load")
+                    .on_hover_text("Read the Game.dat and fill the form with its current field values.")
+                    .clicked()
+                {
+                    self.start_gamedat_load_job();
+                }
+            });
+            if self.state.gamedat.loaded.is_some()
+                && ui
+                    .button("Reload")
+                    .on_hover_text("Discard edits and reload the field values from disk.")
+                    .clicked()
+            {
+                self.start_gamedat_load_job();
+            }
+            if self.state.gamedat.loaded.is_some()
+                && ui
+                    .button("Unload")
+                    .on_hover_text("Close Game.dat and free its memory (discards unsaved edits).")
+                    .clicked()
+            {
+                self.unload_gamedat();
+            }
+            // The encoding badge (read-only), shown once a model is loaded.
+            if let Some(g) = &self.state.gamedat.loaded {
+                ui.separator();
+                ui.label(
+                    egui::RichText::new(format!(" {} ", g.encoding))
+                        .strong()
+                        .background_color(egui::Color32::from_rgb(0x40, 0x80, 0xE0))
+                        .color(egui::Color32::BLACK),
+                )
+                .on_hover_text("How the strings are stored (utf8 or shiftjis). A Shift-JIS file can only hold characters representable in Shift-JIS.");
+            }
+        });
+    }
+
+    /// The grouped field form + the Save controls.
+    fn gamedat_form(&mut self, ui: &mut egui::Ui) {
+        let running = self.jobs.is_running();
+        // Render the grouped fields inside a scroll area (a file can carry many).
+        egui::ScrollArea::vertical()
+            .auto_shrink([false, false])
+            .max_height(360.0)
+            .show(ui, |ui| {
+                let g = self.state.gamedat.loaded.as_mut().expect("loaded checked by caller");
+                Self::gamedat_group(ui, "Titles & messages", g, Group::Titles, false);
+                Self::gamedat_group(ui, "Fonts", g, Group::Fonts, true);
+                Self::gamedat_group(ui, "Graphics", g, Group::Graphics, false);
+                Self::gamedat_group(ui, "Other", g, Group::Other, false);
+            });
+
+        ui.add_space(8.0);
+        ui.separator();
+        ui.add_space(4.0);
+
+        // Backup toggle + change counter + Save.
+        widgets::labeled_checkbox(
+            ui,
+            &mut self.state.gamedat.backup,
+            "Back up original",
+            "Copy the file to a *.bak before overwriting it in place. Leave ON unless you have your \
+             own backups (ignored when saving to a new file).",
+        );
+        let g = self.state.gamedat.loaded.as_ref().expect("loaded");
+        let changed = g.changed_count();
+        ui.horizontal(|ui| {
+            ui.label(egui::RichText::new(format!("{changed} field(s) edited")).strong());
+        });
+        ui.add_space(4.0);
+        let dirty = g.dirty();
+        ui.horizontal(|ui| {
+            ui.add_enabled_ui(dirty && !running, |ui| {
+                if ui
+                    .button("Save (in place) ▶")
+                    .on_hover_text("Apply the edits and write the Game.dat back in place (backing up the original first if the box is checked).")
+                    .clicked()
+                {
+                    self.start_gamedat_save_job(None);
+                }
+            });
+            ui.add_enabled_ui(dirty && !running, |ui| {
+                if ui
+                    .button("Save as…")
+                    .on_hover_text("Apply the edits and write the result to a chosen file (the original is left untouched).")
+                    .clicked()
+                {
+                    if let Some(out) =
+                        widgets::save_file("Game.dat", &[("Game data", &["dat"]), ("All files", &["*"])])
+                    {
+                        self.start_gamedat_save_job(Some(out));
+                    }
+                }
+            });
+        });
+        if !dirty {
+            widgets::caption(ui, "Edit a field to enable Save.");
+        }
+    }
+
+    /// Render the fields of one group as a labelled form section, plus (when `with_subfonts`) the
+    /// SubFonts array under the same header. Skips the section entirely when it has no fields.
+    ///
+    /// Every row goes through the shared [`widgets::text_row`], so every input fills the row to the
+    /// same width and starts at the same x (the fixed [`widgets::LABEL_COL_W`] left column). The
+    /// inputs line up on both edges across all groups, and the whole Game.dat form matches the path
+    /// rows of the other sections.
+    fn gamedat_group(
+        ui: &mut egui::Ui,
+        header: &str,
+        g: &mut LoadedGameDat,
+        group: Group,
+        with_subfonts: bool,
+    ) {
+        let any_fields = g.fields.iter().any(|f| f.group == group);
+        let any_subfonts = with_subfonts && !g.sub_fonts.is_empty();
+        if !any_fields && !any_subfonts {
+            return;
+        }
+        ui.add_space(4.0);
+        ui.label(egui::RichText::new(header).strong());
+        ui.add_space(2.0);
+        for f in g.fields.iter_mut().filter(|f| f.group == group) {
+            // The Font field's label gets a tofu-busting tooltip (the non-coder rescue).
+            let label_tip = if f.key == "Font" {
+                "the game's font; if text shows as boxes/tofu on your system, try another installed \
+                 Japanese font here"
+            } else {
+                ""
+            };
+            widgets::text_row(ui, f.label, &mut f.value, label_tip, "(empty)");
+        }
+        if any_subfonts {
+            for (i, s) in g.sub_fonts.iter_mut().enumerate() {
+                widgets::text_row(
+                    ui,
+                    &format!("Sub-font {}", i + 1),
+                    &mut s.value,
+                    "A fallback font the engine uses when the main font lacks a glyph.",
+                    "(empty)",
+                );
+            }
+        }
+    }
+
+    // --- Game.dat background jobs + sync helpers -------------------------------------------
+
+    /// Drain the heavy-result side-channel: a finished Load/Save job hands its (re)loaded model here.
+    fn poll_gamedat_result(&mut self) {
+        let Some(rx) = &self.state.gamedat.result_rx else {
+            return;
+        };
+        let mut disconnected = false;
+        loop {
+            match rx.try_recv() {
+                Ok(GameDatResult::Loaded(g)) => self.state.gamedat.loaded = Some(*g),
+                Err(std::sync::mpsc::TryRecvError::Empty) => break,
+                Err(std::sync::mpsc::TryRecvError::Disconnected) => {
+                    disconnected = true;
+                    break;
+                }
+            }
+        }
+        if disconnected && !self.jobs.is_running() {
+            self.state.gamedat.result_rx = None;
+        }
+    }
+
+    /// Spawn the Load job: read + parse the Game.dat into the form model off the worker thread, hand
+    /// it back via the side-channel, and report the field/encoding counts (mirrors `gamedat-json`).
+    fn start_gamedat_load_job(&mut self) {
+        let Some(path) = self.state.gamedat.path.clone() else {
+            return;
+        };
+        let (tx, rx) = std::sync::mpsc::channel();
+        self.state.gamedat.result_rx = Some(rx);
+        self.jobs.run(format!("Load {}", path.display()), &mut self.log, move |rep| {
+            rep.progress(0.3, "reading Game.dat…");
+            let g = gamedat::load(&path)?;
+            let summary = format!(
+                "{} field(s) + {} sub-font(s), {} encoding",
+                g.fields.len(),
+                g.sub_fonts.len(),
+                g.encoding
+            );
+            let _ = tx.send(GameDatResult::Loaded(Box::new(g)));
+            rep.progress(1.0, "done");
+            Ok(summary)
+        });
+    }
+
+    /// Spawn the Save job: apply the form edits onto a fresh base, re-parse to verify the round-trip,
+    /// and write to `out` (in place when `None`), then reload from the written bytes so the form shows
+    /// the persisted state. Mirrors the CLI's `gamedat-apply` guard.
+    fn start_gamedat_save_job(&mut self, out: Option<PathBuf>) {
+        // Move the loaded model onto the worker. It comes back (reloaded) via the side-channel.
+        let Some(loaded) = self.state.gamedat.loaded.take() else {
+            return;
+        };
+        let backup = self.state.gamedat.backup;
+        let output = out.unwrap_or_else(|| loaded.path.clone());
+        let in_place = output == loaded.path;
+        let (tx, rx) = std::sync::mpsc::channel();
+        self.state.gamedat.result_rx = Some(rx);
+        self.jobs.run(format!("Save Game.dat → {}", output.display()), &mut self.log, move |rep| {
+            rep.progress(0.3, "applying edits…");
+            let result = gamedat::save(&loaded, &output, backup && in_place);
+            match result {
+                Ok(outcome) => {
+                    if let Some(bak) = &outcome.backup {
+                        rep.info(format!("backed up original → {}", bak.display()));
+                    }
+                    // Reload from the written file so the form reflects the persisted state.
+                    match gamedat::load(&outcome.out) {
+                        Ok(fresh) => {
+                            let _ = tx.send(GameDatResult::Loaded(Box::new(fresh)));
+                        }
+                        Err(e) => {
+                            rep.warn(format!("reload after save failed: {e}"));
+                            let _ = tx.send(GameDatResult::Loaded(Box::new(loaded)));
+                        }
+                    }
+                    rep.progress(1.0, "done");
+                    Ok(format!(
+                        "{} field(s) changed → {}{}",
+                        outcome.changed,
+                        outcome.out.display(),
+                        if outcome.byte_identical { " (byte-identical to base)" } else { "" }
+                    ))
+                }
+                Err(e) => {
+                    // Put the model back unchanged so the user's edits aren't lost.
+                    let _ = tx.send(GameDatResult::Loaded(Box::new(loaded)));
+                    rep.progress(1.0, "done");
+                    Err(e)
+                }
+            }
+        });
+    }
+
+    fn ui_translation(&mut self, ui: &mut egui::Ui) {
+        // Pump any background result (a rebuilt model / conflict list) into the section state first,
+        // so the rest of this frame renders what the just-finished job produced.
+        self.poll_translation_result();
+
+        ui.heading("Translation");
+        widgets::caption(ui, "Extract player-facing text, edit translations, inject them back, and carry them across game updates.");
+        ui.add_space(6.0);
+
+        // Default the source folder to the open project's data dir the first time we're shown.
+        if self.state.translation.source_dir.is_none() {
+            if let Some(d) = self.project.as_ref().and_then(|p| p.data_dir.clone()) {
+                self.state.translation.source_dir = Some(d);
+            }
+        }
+
+        self.translation_source_row(ui);
+        ui.add_space(6.0);
+        self.translation_action_row(ui);
+        ui.add_space(8.0);
+        ui.separator();
+
+        if self.state.translation.model.is_none() {
+            ui.add_space(8.0);
+            widgets::caption(
+                ui,
+                "No translation loaded. Pick a game's unpacked Data folder and press Extract, \
+                 or Load a saved translation project.",
+            );
+            return;
+        }
+
+        if let Some(model) = &self.state.translation.model {
+            widgets::caption(
+                ui,
+                &format!(
+                    "{} file(s) · {} / {} lines translated overall",
+                    model.files.len(),
+                    model.translated_rows(),
+                    model.total_rows(),
+                ),
+            );
+        }
+        ui.add_space(4.0);
+        self.translation_options_row(ui);
+        ui.add_space(6.0);
+        ui.separator();
+        ui.add_space(6.0);
+        self.translation_grid(ui);
+        self.translation_conflicts_panel(ui);
+    }
+
+    /// The source-folder field + Extract button.
+    fn translation_source_row(&mut self, ui: &mut egui::Ui) {
+        let mut dir = self.state.translation.source_dir.clone();
+        let start = dir.clone();
+        widgets::path_field(
+            ui,
+            "Source folder",
+            &mut dir,
+            "The game's unpacked Data folder (holds BasicData/ and MapData/). Extract reads every \
+             text file under it.",
+            move || widgets::pick_folder_in(start.as_deref()),
+        );
+        self.state.translation.source_dir = dir;
+
+        ui.add_space(6.0);
+        let running = self.jobs.is_running();
+        let have_dir = self.state.translation.source_dir.is_some();
+        ui.horizontal(|ui| {
+            ui.add_enabled_ui(have_dir && !running, |ui| {
+                if ui
+                    .button("Extract")
+                    .on_hover_text("Read every map, CommonEvent, database and Game.dat under the folder into an editable grid.")
+                    .clicked()
+                {
+                    self.start_extract_job();
+                }
+            });
+            ui.add_enabled_ui(!running, |ui| {
+                if ui
+                    .button("Load project…")
+                    .on_hover_text("Restore a translation you saved earlier (a .wdtr.json file).")
+                    .clicked()
+                {
+                    self.translation_load_project();
+                }
+                if self.state.translation.model.is_some()
+                    && ui
+                        .button("Save project…")
+                        .on_hover_text("Save the whole translation (all edits) to a single JSON so it persists across sessions.")
+                        .clicked()
+                {
+                    self.translation_save_project();
+                }
+            });
+        });
+    }
+
+    /// The Merge / Check-names action row (only useful once a model is loaded).
+    fn translation_action_row(&mut self, ui: &mut egui::Ui) {
+        let running = self.jobs.is_running();
+        let have_model = self.state.translation.model.is_some();
+        ui.horizontal(|ui| {
+            ui.add_enabled_ui(have_model && !running, |ui| {
+                if ui
+                    .button("Merge older translation…")
+                    .on_hover_text("Carry translations from a previous version's exported JSON(s) into this model, matched by source text.")
+                    .clicked()
+                {
+                    self.start_merge_job();
+                }
+                if ui
+                    .button("Check names")
+                    .on_hover_text("Check that each glossary name is translated to ONE value everywhere (inconsistent names break by-name lookups).")
+                    .clicked()
+                {
+                    self.start_check_job();
+                }
+            });
+            if have_model
+                && ui
+                    .button("Unload")
+                    .on_hover_text("Close the translation and free its memory (discards unsaved edits; Save or Inject first to keep them).")
+                    .clicked()
+            {
+                self.unload_translation();
+            }
+        });
+    }
+
+    /// The inject options (en-punct / allow-code-drift), the output choice, and the Inject button.
+    fn translation_options_row(&mut self, ui: &mut egui::Ui) {
+        let tr = &mut self.state.translation;
+        ui.horizontal(|ui| {
+            widgets::labeled_checkbox(
+                ui,
+                &mut tr.en_punct,
+                "--en-punct",
+                "Convert Japanese punctuation 「」～。 to ASCII for English (applied to your translations on inject).",
+            );
+            widgets::labeled_checkbox(
+                ui,
+                &mut tr.allow_code_drift,
+                "--allow-code-drift",
+                "Allow dropping/altering \\codes — risky. Off keeps the strict control-code guard that protects byte-exactness.",
+            );
+        });
+
+        // Output choice: in place (default, with a note) vs a Browse'd output dir.
+        let mut out = tr.out_dir.clone();
+        let mut in_place = out.is_none();
+        ui.horizontal(|ui| {
+            if ui
+                .radio(in_place, "Write in place")
+                .on_hover_text("Overwrite the files in the source folder (make a backup of your game first).")
+                .clicked()
+            {
+                in_place = true;
+                out = None;
+            }
+            let pick_out = ui
+                .radio(!in_place, "Write to output folder")
+                .on_hover_text("Write the translated files into a separate folder, mirroring the source layout.")
+                .clicked();
+            if pick_out {
+                in_place = false;
+                if out.is_none() {
+                    out = widgets::pick_folder();
+                }
+            }
+        });
+        if !in_place {
+            let start = out.clone();
+            widgets::path_field(
+                ui,
+                "Output folder",
+                &mut out,
+                "Where to write the translated files (mirrors the source folder's layout).",
+                move || widgets::pick_folder_in(start.as_deref()),
+            );
+        }
+        self.state.translation.out_dir = out;
+
+        ui.add_space(6.0);
+        let running = self.jobs.is_running();
+        let in_place_now = self.state.translation.out_dir.is_none();
+        ui.add_enabled_ui(!running, |ui| {
+            let btn = ui.button("Inject ▶").on_hover_text(if in_place_now {
+                "Apply your translations back into the game files IN PLACE (overwrites the source folder)."
+            } else {
+                "Apply your translations into the chosen output folder, byte-exact."
+            });
+            if btn.clicked() {
+                self.start_inject_job();
+            }
+        });
+    }
+
+    /// The two-pane grid: the file/names list on the left, the selected entry's rows on the right.
+    fn translation_grid(&mut self, ui: &mut egui::Ui) {
+        // Left: a selectable list of files + the names glossary.
+        egui::SidePanel::left("tr_files")
+            .resizable(true)
+            .default_width(220.0)
+            .show_inside(ui, |ui| {
+                ui.label(egui::RichText::new("Files").strong());
+                ui.add_space(2.0);
+                egui::ScrollArea::vertical().auto_shrink([false, false]).show(ui, |ui| {
+                    let tr = &mut self.state.translation;
+                    let Some(model) = &tr.model else { return };
+                    // The names glossary entry first.
+                    let names_label = format!(
+                        "Names ({}/{})",
+                        model.names.iter().filter(|r| r.is_translated()).count(),
+                        model.names.len()
+                    );
+                    if ui
+                        .selectable_label(tr.selected == SelectedEntry::Names, names_label)
+                        .clicked()
+                    {
+                        tr.selected = SelectedEntry::Names;
+                    }
+                    ui.separator();
+                    for (i, f) in model.files.iter().enumerate() {
+                        let label = format!(
+                            "{} {}  ({}/{})",
+                            kind_icon(f.kind),
+                            f.display_name(),
+                            f.translated_count(),
+                            f.rows.len()
+                        );
+                        if ui
+                            .selectable_label(tr.selected == SelectedEntry::File(i), label)
+                            .clicked()
+                        {
+                            tr.selected = SelectedEntry::File(i);
+                        }
+                    }
+                });
+            });
+
+        // Right: the filter/toggle/counter bar + the rows table for the selected entry.
+        egui::CentralPanel::default().show_inside(ui, |ui| {
+            self.translation_rows_pane(ui);
+        });
+    }
+
+    /// The right pane: filter box, untranslated toggle, live counter, and the editable rows table.
+    fn translation_rows_pane(&mut self, ui: &mut egui::Ui) {
+        use egui_extras::{Column, TableBuilder};
+
+        let tr = &mut self.state.translation;
+        let Some(model) = &mut tr.model else { return };
+
+        // Resolve the selected entry's rows.
+        let rows = match tr.selected {
+            SelectedEntry::Names => &mut model.names,
+            SelectedEntry::File(i) => match model.files.get_mut(i) {
+                Some(f) => &mut f.rows,
+                None => {
+                    tr.selected = SelectedEntry::Names;
+                    &mut model.names
+                }
+            },
+        };
+
+        // Filter/toggle/counter bar.
+        let (translated, total) = (rows.iter().filter(|r| r.is_translated()).count(), rows.len());
+        ui.horizontal(|ui| {
+            ui.label("Filter:");
+            ui.add(
+                egui::TextEdit::singleline(&mut tr.filter)
+                    .hint_text("search source or translation")
+                    .desired_width(220.0),
+            );
+            ui.checkbox(&mut tr.untranslated_only, "untranslated only")
+                .on_hover_text("Show only rows you have not translated yet.");
+            ui.separator();
+            ui.label(
+                egui::RichText::new(format!("{translated} / {total} translated")).strong(),
+            );
+        });
+        ui.add_space(4.0);
+
+        // Which row indices pass the filter/toggle. With no text filter and the toggle off we address
+        // rows directly (no per-frame index Vec), so an unfiltered file of thousands of lines costs
+        // nothing beyond the now-virtualized body.
+        let needle = tr.filter.to_lowercase();
+        let active = !needle.is_empty() || tr.untranslated_only;
+        let filtered: Option<Vec<usize>> = if !active {
+            None
+        } else {
+            Some(
+                rows.iter()
+                    .enumerate()
+                    .filter(|(_, r)| {
+                        if tr.untranslated_only && r.is_translated() {
+                            return false;
+                        }
+                        needle.is_empty()
+                            || r.source.to_lowercase().contains(&needle)
+                            || r.translation.to_lowercase().contains(&needle)
+                    })
+                    .map(|(i, _)| i)
+                    .collect(),
+            )
+        };
+        let count = filtered.as_ref().map_or(rows.len(), Vec::len);
+        if count == 0 {
+            widgets::caption(ui, "No rows match the current filter.");
+            return;
+        }
+
+        let text_h = egui::TextStyle::Body.resolve(ui.style()).size;
+        TableBuilder::new(ui)
+            .striped(true)
+            .resizable(true)
+            .cell_layout(egui::Layout::left_to_right(egui::Align::TOP))
+            .column(Column::remainder().at_least(180.0)) // Source
+            .column(Column::remainder().at_least(180.0)) // Translation
+            .column(Column::auto().at_least(90.0)) // Note/Loc
+            .header(text_h + 6.0, |mut header| {
+                header.col(|ui| {
+                    ui.strong("Source");
+                });
+                header.col(|ui| {
+                    ui.strong("Translation");
+                });
+                header.col(|ui| {
+                    ui.strong("Note / Loc");
+                });
+            })
+            // Virtualized: only on-screen rows are built, so a file with thousands of lines (the
+            // unpacked .txt scenes) does not lay out every TextEdit every frame.
+            .body(|body| {
+                body.rows(text_h * 3.2, count, |mut r| {
+                    let idx = filtered.as_ref().map_or(r.index(), |v| v[r.index()]);
+                    let row = &mut rows[idx];
+                    r.col(|ui| {
+                        ui.add(
+                            egui::Label::new(egui::RichText::new(&row.source).monospace())
+                                .wrap(),
+                        );
+                    });
+                    r.col(|ui| {
+                        ui.add(
+                            egui::TextEdit::multiline(&mut row.translation)
+                                .desired_rows(2)
+                                .desired_width(f32::INFINITY),
+                        );
+                    });
+                    r.col(|ui| {
+                        ui.vertical(|ui| {
+                            ui.add(
+                                egui::Label::new(
+                                    egui::RichText::new(&row.location).weak().small(),
+                                )
+                                .wrap(),
+                            );
+                            if !row.note.is_empty() {
+                                ui.add(
+                                    egui::Label::new(
+                                        egui::RichText::new(&row.note).weak().small(),
+                                    )
+                                    .wrap(),
+                                );
+                            }
+                        });
+                    });
+                });
+            });
+    }
+
+    /// The small name-conflict panel, shown below the grid when the last check found any.
+    fn translation_conflicts_panel(&mut self, ui: &mut egui::Ui) {
+        let tr = &mut self.state.translation;
+        if tr.conflicts.is_empty() {
+            return;
+        }
+        ui.add_space(6.0);
+        ui.separator();
+        ui.colored_label(
+            egui::Color32::from_rgb(0xE0, 0xB0, 0x40),
+            format!("Warning: {} name(s) translated inconsistently:", tr.conflicts.len()),
+        );
+        egui::ScrollArea::vertical()
+            .max_height(120.0)
+            .auto_shrink([false, true])
+            .show(ui, |ui| {
+                for c in &tr.conflicts {
+                    ui.label(format!(
+                        "{:?} → {}",
+                        c.source,
+                        c.variants
+                            .iter()
+                            .map(|v| format!("{:?}", v.text))
+                            .collect::<Vec<_>>()
+                            .join("  ·  ")
+                    ));
+                }
+            });
+        if ui.button("Clear conflicts").clicked() {
+            tr.conflicts.clear();
+        }
+    }
+
+    // --- Translation background jobs + sync helpers ---------------------------------------
+
+    /// Drain the heavy-result side-channel: a finished job hands its rebuilt model / conflicts here.
+    fn poll_translation_result(&mut self) {
+        let Some(rx) = &self.state.translation.result_rx else {
+            return;
+        };
+        // Take whatever is available. The channel closes when the worker drops its sender.
+        let mut disconnected = false;
+        loop {
+            match rx.try_recv() {
+                Ok(TrResult::Model(m)) => {
+                    let nfiles = m.files.len();
+                    self.state.translation.model = Some(*m);
+                    // Keep the user's current selection across inject/merge/check (the model comes
+                    // back the same shape). Only fix it up if it now points past the end (a fresh
+                    // extract with fewer files, or no files at all).
+                    let stale = match self.state.translation.selected {
+                        SelectedEntry::File(i) => i >= nfiles,
+                        SelectedEntry::Names => false,
+                    };
+                    if stale {
+                        self.state.translation.selected =
+                            if nfiles > 0 { SelectedEntry::File(0) } else { SelectedEntry::Names };
+                    }
+                }
+                Ok(TrResult::Conflicts(c)) => self.state.translation.conflicts = c,
+                Err(std::sync::mpsc::TryRecvError::Empty) => break,
+                Err(std::sync::mpsc::TryRecvError::Disconnected) => {
+                    disconnected = true;
+                    break;
+                }
+            }
+        }
+        if disconnected && !self.jobs.is_running() {
+            self.state.translation.result_rx = None;
+        }
+    }
+
+    /// Spawn the Extract job: build the editable model off the worker thread, hand it back via the
+    /// side-channel, and report counts through the job log/progress (the scaffold's pattern).
+    fn start_extract_job(&mut self) {
+        let Some(dir) = self.state.translation.source_dir.clone() else {
+            return;
+        };
+        // A fresh extract invalidates any prior conflict findings.
+        self.state.translation.conflicts.clear();
+        let (tx, rx) = std::sync::mpsc::channel();
+        self.state.translation.result_rx = Some(rx);
+        self.jobs.run(format!("Extract {}", dir.display()), &mut self.log, move |rep| {
+            rep.progress(0.0, "scanning folder…");
+            let outcome = translation::extract_model(&dir, |frac, msg| rep.progress(frac, msg))?;
+            for w in &outcome.warnings {
+                rep.warn(w.clone());
+            }
+            let strings: usize = outcome.model.files.iter().map(|f| f.rows.len()).sum();
+            let names = outcome.model.names.len();
+            let nfiles = outcome.model.files.len();
+            send_model(&tx, outcome.model);
+            rep.progress(1.0, "done");
+            Ok(format!("{strings} strings across {nfiles} file(s), {names} names"))
+        });
+    }
+
+    /// Spawn the Inject job: serialize the edited model and apply it via the library inject paths.
+    fn start_inject_job(&mut self) {
+        // The model lives in section state and carries the edits, so re-extracting would drop them.
+        // Take the model out, run inject, and put it back via the side-channel so the (unchanged)
+        // model returns to the UI.
+        let Some(model) = self.state.translation.model.take() else {
+            return;
+        };
+        let opts = InjectOptions {
+            allow_code_drift: self.state.translation.allow_code_drift,
+            normalize_punct: self.state.translation.en_punct,
+        };
+        let target = match self.state.translation.out_dir.clone() {
+            Some(od) => InjectTarget::OutDir(od),
+            None => InjectTarget::InPlace,
+        };
+        let where_label = match &target {
+            InjectTarget::InPlace => "in place".to_string(),
+            InjectTarget::OutDir(p) => format!("→ {}", p.display()),
+        };
+        let (tx, rx) = std::sync::mpsc::channel();
+        self.state.translation.result_rx = Some(rx);
+        self.jobs.run(format!("Inject ({where_label})"), &mut self.log, move |rep| {
+            let mut model = model;
+            rep.progress(0.0, "injecting…");
+            let result = translation::inject_model(
+                &mut model,
+                &opts,
+                &target,
+                |frac, msg| rep.progress(frac, msg),
+            );
+            // Whatever happens, hand the model back so the UI keeps the user's edits.
+            let report = match result {
+                Ok(reports) => {
+                    let (mut a, mut s, mut d) = (0, 0, 0);
+                    for r in &reports {
+                        rep.info(format!(
+                            "  {} — {} applied, {} skipped, {} drifted",
+                            r.file, r.applied, r.skipped, r.drifted
+                        ));
+                        a += r.applied;
+                        s += r.skipped;
+                        d += r.drifted;
+                    }
+                    Ok(format!("{a} applied, {s} skipped, {d} drifted across {} file(s)", reports.len()))
+                }
+                Err(e) => Err(e),
+            };
+            send_model(&tx, model);
+            rep.progress(1.0, "done");
+            report
+        });
+    }
+
+    /// Spawn the Merge job: pick old translation file(s)/dir, carry their translations into the model.
+    fn start_merge_job(&mut self) {
+        // Pick the old translations on the UI thread (file dialogs must not run on a worker).
+        let mut old: Vec<PathBuf> = Vec::new();
+        if let Some(dir) = widgets::pick_folder() {
+            old.push(dir);
+        } else if let Some(files) =
+            rfd::FileDialog::new().add_filter("Translation JSON", &["json"]).pick_files()
+        {
+            old.extend(files);
+        }
+        if old.is_empty() {
+            return;
+        }
+        let Some(model) = self.state.translation.model.take() else {
+            return;
+        };
+        let (tx, rx) = std::sync::mpsc::channel();
+        self.state.translation.result_rx = Some(rx);
+        self.jobs.run("Merge older translation".to_string(), &mut self.log, move |rep| {
+            let mut model = model;
+            rep.progress(0.1, "building translation memory…");
+            let result = translation::merge_into_model(&mut model, &old);
+            let summary = match &result {
+                Ok(m) => Ok(format!("carried {} translation(s); {} still new", m.carried, m.still_new)),
+                Err(e) => Err(e.clone()),
+            };
+            send_model(&tx, model);
+            rep.progress(1.0, "done");
+            summary
+        });
+    }
+
+    /// Spawn the Check-names job: run the conflict check over the model, surface findings in the panel.
+    fn start_check_job(&mut self) {
+        let Some(model) = self.state.translation.model.take() else {
+            return;
+        };
+        let (tx, rx) = std::sync::mpsc::channel();
+        self.state.translation.result_rx = Some(rx);
+        self.jobs.run("Check names".to_string(), &mut self.log, move |rep| {
+            let mut model = model;
+            rep.progress(0.2, "scanning for conflicts…");
+            let conflicts = translation::check_conflicts(&mut model);
+            let n = conflicts.len();
+            // Hand both the (unchanged) model and the conflict list back.
+            let _ = tx.send(TrResult::Model(Box::new(model)));
+            let _ = tx.send(TrResult::Conflicts(conflicts));
+            rep.progress(1.0, "done");
+            if n == 0 {
+                Ok("no name-translation conflicts".to_string())
+            } else {
+                Ok(format!("{n} name(s) translated inconsistently — see the panel"))
+            }
+        });
+    }
+
+    /// Save the whole model to a single project JSON (synchronous, serialization is fast).
+    fn translation_save_project(&mut self) {
+        let Some(model) = self.state.translation.model.as_mut() else {
+            return;
+        };
+        let Some(path) = widgets::save_file(
+            "translation.wdtr.json",
+            &[("WolfDawn translation", &["json"])],
+        ) else {
+            return;
+        };
+        match translation::save_to_path(model, &path) {
+            Ok(()) => self.log.info(format!("saved translation project → {}", path.display())),
+            Err(e) => self.log.error(format!("save failed: {e}")),
+        }
+    }
+
+    /// Load a model from a project JSON (synchronous).
+    fn translation_load_project(&mut self) {
+        let Some(path) = widgets::pick_file(&[("WolfDawn translation", &["json"])]) else {
+            return;
+        };
+        match translation::load_from_path(&path) {
+            Ok(model) => {
+                let total = model.total_rows();
+                self.state.translation.selected =
+                    if model.files.is_empty() { SelectedEntry::Names } else { SelectedEntry::File(0) };
+                if self.state.translation.source_dir.is_none() {
+                    self.state.translation.source_dir = Some(model.data_dir.clone());
+                }
+                self.state.translation.model = Some(model);
+                self.state.translation.conflicts.clear();
+                self.log.info(format!("loaded translation project ({total} rows) from {}", path.display()));
+            }
+            Err(e) => self.log.error(format!("load failed: {e}")),
+        }
+    }
+
+    fn ui_saves(&mut self, ui: &mut egui::Ui) {
+        // Pump any background result (a freshly inspected / re-inspected save) into the section state
+        // first, so the rest of this frame renders what the just-finished job produced.
+        self.poll_saves_result();
+
+        ui.heading("Saves");
+        widgets::caption(ui, "Refresh a baked save's title and player-facing strings to match the translated build.");
+        widgets::caption(
+            ui,
+            "A save bakes in the game's title; a translated build rejects a save whose title doesn't \
+             match its own Game.dat (\"trying to load from another game\"). Rewriting the title is \
+             exactly what lets an old / Japanese save load in the translated build.",
+        );
+        ui.add_space(6.0);
+
+        // Default the open path / batch dir to the project's Save dir the first time we're shown.
+        self.saves_default_paths();
+
+        // A shared backup toggle (used by both the single-file and batch writes).
+        widgets::labeled_checkbox(
+            ui,
+            &mut self.state.saves.backup,
+            "Back up original",
+            "Copy each save to a *.bak (single file) or a save_backup_<timestamp>/ folder (batch) \
+             before overwriting it. Leave this ON unless you have your own backups.",
+        );
+        ui.add_space(6.0);
+
+        egui::CollapsingHeader::new("Single save")
+            .default_open(true)
+            .show(ui, |ui| self.saves_single_pane(ui));
+
+        ui.add_space(8.0);
+
+        egui::CollapsingHeader::new("Batch update a save folder")
+            .default_open(false)
+            .show(ui, |ui| self.saves_batch_pane(ui));
+    }
+
+    /// Seed the batch folder from the open project's scanned `Save/` dir, once (only when empty, so a
+    /// folder the user picked is never clobbered).
+    fn saves_default_paths(&mut self) {
+        if self.state.saves.batch_dir.is_none() {
+            if let Some(dir) = self.project.as_ref().and_then(|p| p.save_dir.clone()) {
+                self.state.saves.batch_dir = Some(dir);
+            }
+        }
+    }
+
+    /// The single-save pane: open a `.sav`, Inspect it, edit the title + baked strings, and save.
+    fn saves_single_pane(&mut self, ui: &mut egui::Ui) {
+        // A project dropdown of the scanned saves (Save/*.sav), above the Browse field.
+        if let Some(saves) = self.project.as_ref().map(|p| p.saves.clone()) {
+            let mut path = self.state.saves.sav_path.clone();
+            if project_combo(
+                ui,
+                "saves_combo",
+                "Project save",
+                &saves,
+                &mut path,
+                "Pick a .sav from the open game's Save/ folder (or Browse below for one elsewhere).",
+            ) {
+                self.state.saves.sav_path = path;
+            }
+        }
+
+        let start = self.state.saves.batch_dir.clone();
+        let mut path = self.state.saves.sav_path.clone();
+        widgets::path_field(
+            ui,
+            "Save file",
+            &mut path,
+            "A single .sav to inspect and edit.",
+            move || {
+                widgets::pick_file_in(start.as_deref(), &[("Wolf save", &["sav"]), ("All files", &["*"])])
+            },
+        );
+        self.state.saves.sav_path = path;
+
+        ui.add_space(4.0);
+        let running = self.jobs.is_running();
+        let have = self.state.saves.sav_path.is_some();
+        ui.horizontal(|ui| {
+            ui.add_enabled_ui(have && !running, |ui| {
+                if ui
+                    .button("Inspect")
+                    .on_hover_text("Read the save on a background thread: detect its format, decode the title, and list its baked strings.")
+                    .clicked()
+                {
+                    self.start_inspect_job();
+                }
+            });
+            if self.state.saves.loaded.is_some()
+                && ui
+                    .button("Close save")
+                    .on_hover_text("Clear the loaded save and free its memory (discards unsaved edits).")
+                    .clicked()
+            {
+                self.unload_save();
+            }
+        });
+        if !have {
+            widgets::caption(ui, "Pick a .sav (or open a game with a Save/ folder) and press Inspect.");
+        }
+
+        ui.add_space(6.0);
+        if self.state.saves.loaded.is_some() {
+            ui.separator();
+            ui.add_space(4.0);
+            self.saves_editor(ui);
+        }
+    }
+
+    /// The loaded-save editor: a format/encoding badge, the editable title, the baked-string table,
+    /// and the Save-changes button. For an unsupported save, editing is disabled with a clear note.
+    fn saves_editor(&mut self, ui: &mut egui::Ui) {
+        let running = self.jobs.is_running();
+        let loaded = self.state.saves.loaded.as_mut().expect("loaded checked by caller");
+
+        // Format badge + encoding.
+        ui.horizontal(|ui| {
+            let (label, color) = match loaded.format {
+                SaveFormat::Standard => ("Standard", egui::Color32::from_rgb(0x40, 0xA0, 0x60)),
+                SaveFormat::GameProPro => ("GamePro Pro", egui::Color32::from_rgb(0x40, 0x80, 0xE0)),
+                SaveFormat::Unsupported => ("Unsupported", egui::Color32::from_rgb(0xE0, 0x60, 0x60)),
+            };
+            ui.label(egui::RichText::new(format!(" {label} ")).strong().background_color(color).color(egui::Color32::BLACK))
+                .on_hover_text("The detected save codec. Standard and GamePro Pro can be edited; an unsupported save is read-only.");
+            ui.separator();
+            ui.label(format!("Encoding: {}", loaded.encoding))
+                .on_hover_text("How the baked strings are stored (utf8 or sjis). A Shift-JIS save can only hold characters representable in Shift-JIS.");
+            ui.separator();
+            ui.label(egui::RichText::new(loaded.path.display().to_string()).weak());
+        });
+        ui.add_space(6.0);
+
+        if loaded.format == SaveFormat::Unsupported {
+            ui.colored_label(
+                egui::Color32::from_rgb(0xE0, 0xB0, 0x40),
+                "Warning: This save's format isn't supported yet, so it can't be edited. Only standard and \
+                 GamePro Pro saves can be rewritten.",
+            );
+            return;
+        }
+
+        // Editable title (in a shared form row so it aligns with the section's path rows).
+        widgets::text_row(
+            ui,
+            "Title",
+            &mut loaded.title,
+            "The baked game identity. Set this to the translated build's Game.dat title so the \
+             save loads there. This is the field that fixes \"trying to load from another game\".",
+            "",
+        );
+        if loaded.title_changed() {
+            ui.label(
+                egui::RichText::new(format!("was: {}", loaded.original_title)).weak().small(),
+            );
+        }
+        ui.add_space(6.0);
+
+        // Baked-string filter + counter.
+        let changed = loaded.changed_count();
+        let total = loaded.strings.len();
+        ui.horizontal(|ui| {
+            ui.label("Filter:");
+            ui.add(
+                egui::TextEdit::singleline(&mut self.state.saves.filter)
+                    .hint_text("search baked strings")
+                    .desired_width(220.0),
+            );
+            ui.separator();
+            ui.label(egui::RichText::new(format!("{changed} edited · {total} strings")).strong());
+        });
+        ui.add_space(4.0);
+
+        self.saves_string_table(ui);
+
+        ui.add_space(8.0);
+        let loaded = self.state.saves.loaded.as_ref().expect("loaded");
+        let dirty = loaded.title_changed() || loaded.changed_count() > 0;
+        ui.add_enabled_ui(dirty && !running, |ui| {
+            if ui
+                .button("Save changes ▶")
+                .on_hover_text("Write the edited title + changed baked strings back into the save (backing up the original first if the box is checked).")
+                .clicked()
+            {
+                self.start_save_changes_job();
+            }
+        });
+        if !dirty {
+            widgets::caption(ui, "Edit the title or a baked string to enable Save changes.");
+        }
+    }
+
+    /// The baked-string table: a `TableBuilder` with one editable `TextEdit` per string and the
+    /// original shown dim alongside. Honours the filter box.
+    fn saves_string_table(&mut self, ui: &mut egui::Ui) {
+        use egui_extras::{Column, TableBuilder};
+
+        let loaded = self.state.saves.loaded.as_mut().expect("loaded");
+        let needle = self.state.saves.filter.to_lowercase();
+        let visible: Vec<usize> = loaded
+            .strings
+            .iter()
+            .enumerate()
+            .filter(|(_, r)| {
+                needle.is_empty()
+                    || r.original.to_lowercase().contains(&needle)
+                    || r.edited.to_lowercase().contains(&needle)
+            })
+            .map(|(i, _)| i)
+            .collect();
+
+        if loaded.strings.is_empty() {
+            widgets::caption(ui, "This save has no baked player-facing strings to edit.");
+            return;
+        }
+        if visible.is_empty() {
+            widgets::caption(ui, "No baked strings match the current filter.");
+            return;
+        }
+
+        let text_h = egui::TextStyle::Body.resolve(ui.style()).size;
+        TableBuilder::new(ui)
+            .striped(true)
+            .resizable(true)
+            .cell_layout(egui::Layout::left_to_right(egui::Align::TOP))
+            .column(Column::remainder().at_least(180.0)) // Original (dim)
+            .column(Column::remainder().at_least(180.0)) // Edited
+            .header(text_h + 6.0, |mut header| {
+                header.col(|ui| {
+                    ui.strong("Original");
+                });
+                header.col(|ui| {
+                    ui.strong("Edited");
+                });
+            })
+            .body(|mut body| {
+                for &i in &visible {
+                    let row = &mut loaded.strings[i];
+                    body.row(text_h * 2.0, |mut r| {
+                        r.col(|ui| {
+                            ui.add(
+                                egui::Label::new(
+                                    egui::RichText::new(&row.original).monospace().weak(),
+                                )
+                                .wrap(),
+                            );
+                        });
+                        r.col(|ui| {
+                            ui.add(
+                                egui::TextEdit::singleline(&mut row.edited)
+                                    .desired_width(f32::INFINITY),
+                            );
+                        });
+                    });
+                }
+            });
+    }
+
+    /// The batch pane: pick a save folder, choose a new title (typed or from a translated Game.dat)
+    /// and/or a translations file/dir, then run update_save over every *.sav (mirrors the CLI).
+    fn saves_batch_pane(&mut self, ui: &mut egui::Ui) {
+        widgets::caption(
+            ui,
+            "Apply a new title and/or refreshed baked strings to every .sav in a folder at once - \
+             the same as the command-line save-update.",
+        );
+        ui.add_space(4.0);
+
+        let mut dir = self.state.saves.batch_dir.clone();
+        let start = dir.clone();
+        widgets::path_field(
+            ui,
+            "Save folder",
+            &mut dir,
+            "The folder holding the .sav files (e.g. the game's Save/ folder).",
+            move || widgets::pick_folder_in(start.as_deref()),
+        );
+        self.state.saves.batch_dir = dir;
+        ui.add_space(6.0);
+
+        // Title source: None / Typed / from Game.dat.
+        let sv = &mut self.state.saves;
+        ui.horizontal(|ui| {
+            ui.label("New title:").on_hover_text(
+                "What to set every save's baked title to. Pick \"From Game.dat\" to copy the \
+                 translated build's title, so the saves load there.",
+            );
+            ui.radio_value(&mut sv.batch_title_mode, BatchTitleMode::None, "leave as-is")
+                .on_hover_text("Don't change the title; only refresh baked strings (needs a translations file below).");
+            ui.radio_value(&mut sv.batch_title_mode, BatchTitleMode::Typed, "type one");
+            ui.radio_value(&mut sv.batch_title_mode, BatchTitleMode::FromGameDat, "from Game.dat")
+                .on_hover_text("Read the title from a translated Game.dat (the same value the game checks).");
+        });
+
+        match self.state.saves.batch_title_mode {
+            BatchTitleMode::Typed => {
+                widgets::text_row(
+                    ui,
+                    "Title text",
+                    &mut self.state.saves.batch_title,
+                    "",
+                    "the translated game title",
+                );
+            }
+            BatchTitleMode::FromGameDat => {
+                let mut gd = self.state.saves.batch_game_dat.clone();
+                widgets::path_field(
+                    ui,
+                    "Game.dat",
+                    &mut gd,
+                    "A translated Game.dat; its Title is read and applied to every save.",
+                    || widgets::pick_file(&[("Game data", &["dat"]), ("All files", &["*"])]),
+                );
+                self.state.saves.batch_game_dat = gd;
+            }
+            BatchTitleMode::None => {}
+        }
+        ui.add_space(6.0);
+
+        // Optional translations source for the baked-string refresh.
+        let mut tr = self.state.saves.batch_translations.clone();
+        widgets::path_field(
+            ui,
+            "Translations",
+            &mut tr,
+            "Optional: a translation .json file or a folder of them. Their source→target text is \
+             used to refresh the saves' baked strings (the same map the game itself uses).",
+            || {
+                // Prefer a folder, fall back to a single JSON file.
+                widgets::pick_folder().or_else(|| widgets::pick_file(&[("Translation JSON", &["json"])]))
+            },
+        );
+        self.state.saves.batch_translations = tr;
+
+        ui.add_space(8.0);
+        let running = self.jobs.is_running();
+        let have_dir = self.state.saves.batch_dir.is_some();
+        // Something to do? a title source that yields a title, or a translations path.
+        let has_title = match self.state.saves.batch_title_mode {
+            BatchTitleMode::None => false,
+            BatchTitleMode::Typed => !self.state.saves.batch_title.trim().is_empty(),
+            BatchTitleMode::FromGameDat => self.state.saves.batch_game_dat.is_some(),
+        };
+        let has_tr = self.state.saves.batch_translations.is_some();
+        let ready = have_dir && (has_title || has_tr);
+        ui.add_enabled_ui(ready && !running, |ui| {
+            if ui
+                .button("Batch update ▶")
+                .on_hover_text("Update every .sav in the folder. Unsupported saves are skipped, not mangled.")
+                .clicked()
+            {
+                self.start_batch_job();
+            }
+        });
+        if !ready {
+            widgets::caption(
+                ui,
+                "Pick a save folder and choose a new title and/or a translations file to enable Batch update.",
+            );
+        }
+    }
+
+    // --- Saves background jobs + sync helpers ---------------------------------------------
+
+    /// Drain the heavy-result side-channel: a finished single-file job hands its (re-)inspected save
+    /// here (mirrors `poll_translation_result`).
+    fn poll_saves_result(&mut self) {
+        let Some(rx) = &self.state.saves.result_rx else {
+            return;
+        };
+        let mut disconnected = false;
+        loop {
+            match rx.try_recv() {
+                Ok(SaveResult::Loaded(s)) => {
+                    self.state.saves.loaded = Some(*s);
+                    self.state.saves.filter.clear();
+                }
+                Err(std::sync::mpsc::TryRecvError::Empty) => break,
+                Err(std::sync::mpsc::TryRecvError::Disconnected) => {
+                    disconnected = true;
+                    break;
+                }
+            }
+        }
+        if disconnected && !self.jobs.is_running() {
+            self.state.saves.result_rx = None;
+        }
+    }
+
+    /// Spawn the Inspect job: read + inspect the save off the worker thread, hand the editable model
+    /// back via the side-channel, and report the format/encoding/counts through the job log.
+    fn start_inspect_job(&mut self) {
+        let Some(path) = self.state.saves.sav_path.clone() else {
+            return;
+        };
+        let (tx, rx) = std::sync::mpsc::channel();
+        self.state.saves.result_rx = Some(rx);
+        self.jobs.run(format!("Inspect {}", path.display()), &mut self.log, move |rep| {
+            rep.progress(0.2, "reading save…");
+            let loaded = saves::inspect(&path)?;
+            let summary = format!(
+                "{} save, {} encoding, title {:?}, {} baked string(s)",
+                loaded.format.label(),
+                loaded.encoding,
+                loaded.original_title,
+                loaded.strings.len()
+            );
+            if !loaded.editable() {
+                rep.warn("this save's format isn't supported; it opened read-only");
+            }
+            let _ = tx.send(SaveResult::Loaded(Box::new(loaded)));
+            rep.progress(1.0, "done");
+            Ok(summary)
+        });
+    }
+
+    /// Spawn the Save-changes job: write the edited save (backing up first), then re-inspect the
+    /// written bytes and hand the fresh model back so the UI shows the persisted state.
+    fn start_save_changes_job(&mut self) {
+        // Move the loaded save onto the worker. It comes back (re-inspected) via the side-channel.
+        let Some(loaded) = self.state.saves.loaded.take() else {
+            return;
+        };
+        let backup = self.state.saves.backup;
+        let (tx, rx) = std::sync::mpsc::channel();
+        self.state.saves.result_rx = Some(rx);
+        self.jobs.run("Save changes".to_string(), &mut self.log, move |rep| {
+            rep.progress(0.2, "writing save…");
+            let path = loaded.path.clone();
+            let result = saves::save_changes(&loaded, backup);
+            // Whatever happens, hand a model back so the editor isn't left empty: the re-inspected
+            // file on success, or the (unchanged) in-memory model on failure.
+            match result {
+                Ok(stats) => {
+                    rep.info(format!(
+                        "title changed: {} · strings replaced: {} · encoding: {}",
+                        stats.title_changed, stats.strings_replaced, stats.encoding
+                    ));
+                    if backup {
+                        rep.info(format!("backed up original → {}.bak", path.display()));
+                    }
+                    match saves::inspect(&path) {
+                        Ok(fresh) => {
+                            let _ = tx.send(SaveResult::Loaded(Box::new(fresh)));
+                        }
+                        Err(e) => {
+                            rep.warn(format!("re-inspect after write failed: {e}"));
+                            let _ = tx.send(SaveResult::Loaded(Box::new(loaded)));
+                        }
+                    }
+                    rep.progress(1.0, "done");
+                    Ok(format!(
+                        "saved {} (title {}, {} string(s) replaced)",
+                        path.display(),
+                        if stats.title_changed { "updated" } else { "unchanged" },
+                        stats.strings_replaced
+                    ))
+                }
+                Err(e) => {
+                    // Put the model back unchanged so the user's edits aren't lost.
+                    let _ = tx.send(SaveResult::Loaded(Box::new(loaded)));
+                    rep.progress(1.0, "done");
+                    Err(e)
+                }
+            }
+        });
+    }
+
+    /// Spawn the Batch job: resolve the title (typed or from Game.dat) + the string map (from the
+    /// translations path) on the UI thread, then run update_save over every *.sav on the worker.
+    fn start_batch_job(&mut self) {
+        let sv = &self.state.saves;
+        let Some(dir) = sv.batch_dir.clone() else {
+            return;
+        };
+        // Resolve the new title up front (Game.dat read is cheap and surfaces errors immediately).
+        let new_title: Option<String> = match sv.batch_title_mode {
+            BatchTitleMode::None => None,
+            BatchTitleMode::Typed => {
+                let t = sv.batch_title.trim();
+                (!t.is_empty()).then(|| t.to_string())
+            }
+            BatchTitleMode::FromGameDat => match &sv.batch_game_dat {
+                Some(gd) => match saves::title_from_game_dat(gd) {
+                    Ok(t) => {
+                        self.log.info(format!("batch: title from {} = {t:?}", gd.display()));
+                        Some(t)
+                    }
+                    Err(e) => {
+                        self.log.error(format!("batch: {e}"));
+                        return;
+                    }
+                },
+                None => None,
+            },
+        };
+        // Build the baked-string map from the translations path, if given.
+        let map = match &sv.batch_translations {
+            Some(p) => match saves::build_string_map(std::slice::from_ref(p)) {
+                Ok((m, conflicts)) => {
+                    if conflicts > 0 {
+                        self.log.warn(format!(
+                            "batch: {conflicts} source(s) had divergent translations across files; kept the first"
+                        ));
+                    }
+                    m
+                }
+                Err(e) => {
+                    self.log.error(format!("batch: {e}"));
+                    return;
+                }
+            },
+            None => std::collections::HashMap::new(),
+        };
+        let backup = sv.backup;
+
+        self.jobs.run(format!("Batch update {}", dir.display()), &mut self.log, move |rep| {
+            rep.progress(0.0, "scanning saves…");
+            let outcome = saves::batch_update(
+                &dir,
+                new_title.as_deref(),
+                &map,
+                backup,
+                |frac, msg| rep.progress(frac, msg),
+            )?;
+            if let Some(bdir) = &outcome.backup_dir {
+                rep.info(format!("backed up originals → {}", bdir.display()));
+            }
+            for entry in &outcome.entries {
+                match entry {
+                    saves::BatchEntry::Updated(name, stats) => rep.info(format!(
+                        "  {name}: title={} strings={} enc={}",
+                        u8::from(stats.title_changed),
+                        stats.strings_replaced,
+                        stats.encoding
+                    )),
+                    saves::BatchEntry::Skipped(name) => {
+                        rep.warn(format!("  {name}: SKIPPED (unsupported save format)"))
+                    }
+                    saves::BatchEntry::Failed(name, msg) => {
+                        rep.error(format!("  {name}: {msg}"))
+                    }
+                }
+            }
+            rep.progress(1.0, "done");
+            Ok(format!(
+                "{} updated, {} skipped, {} failed",
+                outcome.updated(),
+                outcome.skipped(),
+                outcome.failed()
+            ))
+        });
+    }
+
+    fn ui_verify(&mut self, ui: &mut egui::Ui) {
+        // Pump any background result (a single verdict / a corpus outcome) into section state first.
+        self.poll_verify_result();
+
+        ui.heading("Verify");
+        widgets::caption(
+            ui,
+            "Verify confirms a file decodes and re-encodes without loss (byte-exact where possible) \
+             — your safety net before shipping.",
+        );
+        ui.add_space(6.0);
+
+        // Default the corpus folder to the open project's data dir the first time we're shown.
+        if self.state.verify.corpus_dir.is_none() {
+            if let Some(d) = self.project.as_ref().and_then(|p| p.data_dir.clone()) {
+                self.state.verify.corpus_dir = Some(d);
+            }
+        }
+
+        egui::CollapsingHeader::new("Single file")
+            .default_open(true)
+            .show(ui, |ui| self.verify_single_pane(ui));
+
+        ui.add_space(8.0);
+
+        egui::CollapsingHeader::new("Corpus (a whole folder)")
+            .default_open(true)
+            .show(ui, |ui| self.verify_corpus_pane(ui));
+    }
+
+    /// The single-file pane: pick a data file, Verify it, show a PASS/FAIL/ERR result panel.
+    fn verify_single_pane(&mut self, ui: &mut egui::Ui) {
+        let mut file = self.state.verify.file.clone();
+        widgets::path_field(
+            ui,
+            "Data file",
+            &mut file,
+            "Any single data file (.mps map, CommonEvent.dat, Game.dat, or a database .project).",
+            || {
+                widgets::pick_file(&[
+                    ("Wolf data", &["mps", "dat", "project"]),
+                    ("All files", &["*"]),
+                ])
+            },
+        );
+        self.state.verify.file = file;
+
+        // Warn early if the pick isn't a verifiable file type. Verify still runs and gives an ERR verdict.
+        if let Some(f) = &self.state.verify.file {
+            if !verify::is_supported(f) {
+                ui.colored_label(
+                    egui::Color32::from_rgb(0xE0, 0xB0, 0x40),
+                    "Warning: this is not a verifiable file type (.mps, CommonEvent.dat, Game.dat, or a database .project).",
+                );
+            }
+        }
+
+        ui.add_space(4.0);
+        let running = self.jobs.is_running();
+        let have = self.state.verify.file.is_some();
+        ui.add_enabled_ui(have && !running, |ui| {
+            if ui
+                .button("Verify ▶")
+                .on_hover_text("Round-trip this file on a background thread and report PASS / FAIL.")
+                .clicked()
+            {
+                self.start_verify_file_job();
+            }
+        });
+        if !have {
+            widgets::caption(ui, "Pick a data file to verify.");
+        }
+
+        // The result panel for the last single-file verdict.
+        if let Some((path, verdict)) = &self.state.verify.file_verdict {
+            ui.add_space(6.0);
+            let (color, tag) = verdict_color(verdict);
+            ui.horizontal(|ui| {
+                ui.label(
+                    egui::RichText::new(format!(" {tag} "))
+                        .strong()
+                        .background_color(color)
+                        .color(egui::Color32::BLACK),
+                );
+                ui.label(egui::RichText::new(path.display().to_string()).weak());
+            });
+            ui.label(verdict.detail());
+        }
+    }
+
+    /// The corpus pane: pick a folder, Verify all, show a per-file table + the byte-exact summary.
+    fn verify_corpus_pane(&mut self, ui: &mut egui::Ui) {
+        let start = self.state.verify.corpus_dir.clone();
+        let mut dir = self.state.verify.corpus_dir.clone();
+        widgets::path_field(
+            ui,
+            "Folder",
+            &mut dir,
+            "A folder of game data; every supported file under it is round-tripped.",
+            move || widgets::pick_folder_in(start.as_deref()),
+        );
+        self.state.verify.corpus_dir = dir;
+
+        ui.add_space(4.0);
+        let running = self.jobs.is_running();
+        let have = self.state.verify.corpus_dir.is_some();
+        ui.add_enabled_ui(have && !running, |ui| {
+            if ui
+                .button("Verify all ▶")
+                .on_hover_text("Walk the folder and round-trip every supported file on a background thread.")
+                .clicked()
+            {
+                self.start_verify_corpus_job();
+            }
+        });
+        if !have {
+            widgets::caption(ui, "Pick a folder to verify its files.");
+        }
+
+        if let Some(outcome) = &self.state.verify.corpus {
+            ui.add_space(6.0);
+            let (pass, fail, err, total) =
+                (outcome.passed(), outcome.failed(), outcome.errored(), outcome.total());
+            let summary = egui::RichText::new(format!("{pass}/{total} byte-exact"))
+                .strong()
+                .color(if fail == 0 && err == 0 {
+                    egui::Color32::from_rgb(0x40, 0xA0, 0x60)
+                } else {
+                    egui::Color32::from_rgb(0xE0, 0xB0, 0x40)
+                });
+            ui.horizontal(|ui| {
+                ui.label(summary);
+                if fail > 0 || err > 0 {
+                    ui.label(
+                        egui::RichText::new(format!("· {fail} differ · {err} error")).weak(),
+                    );
+                }
+            });
+            ui.add_space(4.0);
+            self.verify_corpus_table(ui);
+        }
+    }
+
+    /// The per-file corpus result table: file | result.
+    fn verify_corpus_table(&mut self, ui: &mut egui::Ui) {
+        use egui_extras::{Column, TableBuilder};
+
+        let Some(outcome) = &self.state.verify.corpus else {
+            return;
+        };
+        let text_h = egui::TextStyle::Body.resolve(ui.style()).size;
+        TableBuilder::new(ui)
+            .striped(true)
+            .resizable(true)
+            .cell_layout(egui::Layout::left_to_right(egui::Align::TOP))
+            .column(Column::remainder().at_least(200.0)) // File
+            .column(Column::auto().at_least(220.0)) // Result
+            .header(text_h + 6.0, |mut header| {
+                header.col(|ui| {
+                    ui.strong("File");
+                });
+                header.col(|ui| {
+                    ui.strong("Result");
+                });
+            })
+            .body(|mut body| {
+                for row in &outcome.rows {
+                    body.row(text_h * 1.8, |mut r| {
+                        r.col(|ui| {
+                            ui.add(
+                                egui::Label::new(egui::RichText::new(&row.rel).monospace()).wrap(),
+                            );
+                        });
+                        r.col(|ui| {
+                            let (color, tag) = verdict_color(&row.verdict);
+                            ui.horizontal(|ui| {
+                                ui.label(
+                                    egui::RichText::new(format!(" {tag} "))
+                                        .strong()
+                                        .background_color(color)
+                                        .color(egui::Color32::BLACK),
+                                );
+                                if !row.verdict.is_pass() {
+                                    ui.add(
+                                        egui::Label::new(
+                                            egui::RichText::new(row.verdict.detail()).weak().small(),
+                                        )
+                                        .wrap(),
+                                    );
+                                }
+                            });
+                        });
+                    });
+                }
+            });
+    }
+
+    // --- Verify background jobs + sync helpers ---------------------------------------------
+
+    /// Drain the heavy-result side-channel: a finished verify job hands its verdict / corpus here
+    /// (mirrors `poll_translation_result` / `poll_saves_result`).
+    fn poll_verify_result(&mut self) {
+        let Some(rx) = &self.state.verify.result_rx else {
+            return;
+        };
+        let mut disconnected = false;
+        loop {
+            match rx.try_recv() {
+                Ok(VerifyResult::Single(path, v)) => {
+                    self.state.verify.file_verdict = Some((path, *v));
+                }
+                Ok(VerifyResult::Corpus(c)) => self.state.verify.corpus = Some(*c),
+                Err(std::sync::mpsc::TryRecvError::Empty) => break,
+                Err(std::sync::mpsc::TryRecvError::Disconnected) => {
+                    disconnected = true;
+                    break;
+                }
+            }
+        }
+        if disconnected && !self.jobs.is_running() {
+            self.state.verify.result_rx = None;
+        }
+    }
+
+    /// Spawn the single-file Verify job: round-trip the file on a worker thread, hand the verdict
+    /// back via the side-channel, and log a PASS/FAIL/ERR line.
+    fn start_verify_file_job(&mut self) {
+        let Some(path) = self.state.verify.file.clone() else {
+            return;
+        };
+        let (tx, rx) = std::sync::mpsc::channel();
+        self.state.verify.result_rx = Some(rx);
+        self.jobs.run(format!("Verify {}", path.display()), &mut self.log, move |rep| {
+            rep.progress(0.2, "round-tripping…");
+            let verdict = verify::verify_file(&path);
+            let summary = format!("{} — {}", verdict.tag(), verdict.detail());
+            match &verdict {
+                Verdict::Pass => rep.info(summary.clone()),
+                Verdict::Fail { .. } => rep.warn(summary.clone()),
+                Verdict::Error(_) => rep.error(summary.clone()),
+            }
+            let _ = tx.send(VerifyResult::Single(path.clone(), Box::new(verdict)));
+            rep.progress(1.0, "done");
+            Ok(summary)
+        });
+    }
+
+    /// Spawn the Corpus Verify job: walk + round-trip every supported file on a worker thread, hand
+    /// the outcome back via the side-channel, and log the summary.
+    fn start_verify_corpus_job(&mut self) {
+        let Some(dir) = self.state.verify.corpus_dir.clone() else {
+            return;
+        };
+        let (tx, rx) = std::sync::mpsc::channel();
+        self.state.verify.result_rx = Some(rx);
+        self.jobs.run(format!("Verify corpus {}", dir.display()), &mut self.log, move |rep| {
+            let outcome = verify::verify_corpus(&dir, |frac, msg| rep.progress(frac, msg))?;
+            let (pass, fail, err, total) =
+                (outcome.passed(), outcome.failed(), outcome.errored(), outcome.total());
+            // Surface every non-pass file in the log too.
+            for row in &outcome.rows {
+                if !row.verdict.is_pass() {
+                    rep.warn(format!("  {} — {}: {}", row.verdict.tag(), row.rel, row.verdict.detail()));
+                }
+            }
+            let _ = tx.send(VerifyResult::Corpus(Box::new(outcome)));
+            Ok(format!("{pass}/{total} byte-exact ({fail} differ, {err} error)"))
+        });
+    }
+
+    fn ui_settings(&mut self, ui: &mut egui::Ui) {
+        ui.heading("Settings");
+        widgets::caption(ui, "Theme and tool preferences. These persist across runs.");
+        ui.add_space(8.0);
+
+        // --- Theme ---
+        ui.label(egui::RichText::new("Theme").strong());
+        ui.add_space(2.0);
+        ui.horizontal(|ui| {
+            // A Dark/Light selector. Applying the visuals immediately on a change keeps it live.
+            let mut dark = self.settings.dark_mode;
+            let mut changed = ui
+                .selectable_value(&mut dark, true, "Dark")
+                .on_hover_text("Dark theme (the default).")
+                .changed();
+            changed |= ui
+                .selectable_value(&mut dark, false, "Light")
+                .on_hover_text("Light theme.")
+                .changed();
+            if changed {
+                self.settings.dark_mode = dark;
+                self.apply_theme(ui.ctx());
+            }
+        });
+        ui.add_space(8.0);
+        ui.separator();
+        ui.add_space(8.0);
+
+        // --- Translation defaults ---
+        ui.label(egui::RichText::new("Translation defaults").strong());
+        ui.add_space(2.0);
+        widgets::caption(
+            ui,
+            "Used to initialise the Translation section's inject options; changing one here doesn't \
+             override what you've already set this session.",
+        );
+        widgets::labeled_checkbox(
+            ui,
+            &mut self.settings.default_en_punct,
+            "Default --en-punct on",
+            "Start the Translation section with \"convert Japanese punctuation to ASCII\" enabled.",
+        );
+        widgets::labeled_checkbox(
+            ui,
+            &mut self.settings.default_allow_code_drift,
+            "Default --allow-code-drift on",
+            "Start the Translation section with the strict control-code guard relaxed (risky - leave \
+             OFF unless you know you need it).",
+        );
+        ui.add_space(8.0);
+        ui.separator();
+        ui.add_space(8.0);
+
+        // --- Saves / Database defaults ---
+        ui.label(egui::RichText::new("Saves & Database defaults").strong());
+        ui.add_space(2.0);
+        widgets::labeled_checkbox(
+            ui,
+            &mut self.settings.default_backup,
+            "Back up originals by default",
+            "Start the Saves / Database / Game.dat sections with \"back up originals before \
+             overwriting\" enabled. Leave ON unless you keep your own backups.",
+        );
+        ui.add_space(8.0);
+        ui.separator();
+        ui.add_space(8.0);
+
+        // --- Auto-detect ---
+        ui.label(egui::RichText::new("Files").strong());
+        ui.add_space(2.0);
+        widgets::labeled_checkbox(
+            ui,
+            &mut self.settings.auto_detect,
+            "Auto-detect new files",
+            "While a game is open, periodically re-scan its folders so newly-added maps / databases \
+             / saves (e.g. right after an Unpack) appear in the per-section dropdowns automatically.",
+        );
+        if !self.settings.auto_detect {
+            widgets::caption(
+                ui,
+                "Auto-detect is off — use the Refresh button on the Project section to re-scan.",
+            );
+        }
+
+        ui.add_space(10.0);
+        widgets::caption(ui, "Settings are saved automatically when you close the app.");
+    }
+
+    // --- chrome ---------------------------------------------------------------------------
+
+    /// Top panel: app title + a one-line summary of the open project.
+    fn top_bar(&mut self, ctx: &egui::Context) {
+        egui::TopBottomPanel::top("top_bar").show(ctx, |ui| {
+            ui.horizontal(|ui| {
+                ui.heading("WolfDawn Studio");
+                ui.separator();
+                match &self.project {
+                    None => {
+                        ui.label(egui::RichText::new("No project").weak());
+                    }
+                    Some(p) => {
+                        let title = if p.title.is_empty() { "(untitled)" } else { &p.title };
+                        ui.label(egui::RichText::new(title).strong());
+                        ui.separator();
+                        ui.label(project::encoding_label(p.utf8));
+                        if !p.version.is_empty() {
+                            ui.separator();
+                            ui.label(&p.version);
+                        }
+                        if !p.font.is_empty() {
+                            ui.separator();
+                            ui.label(format!("font: {}", p.font));
+                        }
+                    }
+                }
+            });
+        });
+    }
+
+    /// Left panel: one selectable button per section.
+    fn side_bar(&mut self, ctx: &egui::Context) {
+        egui::SidePanel::left("nav")
+            .resizable(false)
+            .exact_width(150.0)
+            .show(ctx, |ui| {
+                ui.add_space(6.0);
+                ui.spacing_mut().item_spacing.y = 2.0;
+                for section in Section::ALL {
+                    let selected = self.section == section;
+                    if nav_button(ui, selected, section.name()).clicked() {
+                        self.section = section;
+                    }
+                }
+            });
+    }
+
+    /// Bottom panel: the log, plus the progress bar while a job runs.
+    fn bottom_bar(&mut self, ctx: &egui::Context) {
+        egui::TopBottomPanel::bottom("status")
+            .resizable(true)
+            .default_height(150.0)
+            .show(ctx, |ui| {
+                if self.jobs.is_running() {
+                    ui.horizontal(|ui| {
+                        ui.label(egui::RichText::new(self.jobs.label()).strong());
+                        if !self.jobs.status().is_empty() {
+                            ui.label(egui::RichText::new(self.jobs.status()).weak());
+                        }
+                    });
+                    ui.add(
+                        egui::ProgressBar::new(self.jobs.progress())
+                            .show_percentage()
+                            .animate(true),
+                    );
+                    ui.separator();
+                }
+                ui.label(egui::RichText::new("Log").weak());
+                self.log.show(ui);
+            });
+    }
+}
+
+impl WolfDawnApp {
+    /// Lay out and render one frame's worth of UI into `ctx`: pump the job channel, draw the four
+    /// panels, and request a repaint while a job runs. This is the whole per-frame body, factored
+    /// out of [`eframe::App::update`] so the headless tests can drive a full frame without an
+    /// `eframe::Frame` (which has no public constructor).
+    pub fn render_frame(&mut self, ctx: &egui::Context) {
+        // Pump the background job channel first so progress/log are current for this frame.
+        let running = self.jobs.poll(&mut self.log);
+
+        // A job just finished this frame (running→idle): if it was an Unpack, immediately rescan the
+        // project index so the extracted files appear in the dropdowns now, not on the next throttle.
+        if self.job_was_running && !running {
+            self.on_job_finished();
+        }
+        self.job_was_running = running;
+
+        // Live auto-detect: while a project is open (and auto-detect is enabled), periodically
+        // re-walk its small index dirs so files added externally (or by a just-finished Unpack)
+        // surface in the per-section dropdowns without a manual refresh.
+        self.tick_auto_detect();
+
+        self.top_bar(ctx);
+        self.side_bar(ctx);
+        self.bottom_bar(ctx);
+        egui::CentralPanel::default().show(ctx, |ui| {
+            self.render_current_section(ui);
+        });
+
+        // While a job runs, keep animating even without user input so the bar moves and messages
+        // arrive promptly (otherwise egui only repaints on interaction).
+        if running {
+            ctx.request_repaint();
+        } else if self.project.is_some() && self.settings.auto_detect {
+            // Keep the auto-detect tick running without user input while a project is open: ask for
+            // a repaint ~1s out so the throttled rescan keeps firing even on an idle window.
+            ctx.request_repaint_after(Duration::from_secs(1));
+        }
+    }
+
+    /// The throttled auto-detect tick: when a project is open and auto-detect is on, re-walk its
+    /// index at most every ~1.5s. Log a one-line summary only when the file set actually changed.
+    fn tick_auto_detect(&mut self) {
+        /// How long between background rescans of the open project's index dirs.
+        const RESCAN_EVERY: Duration = Duration::from_millis(1500);
+
+        if self.project.is_none() || !self.settings.auto_detect {
+            // Reset the clock so re-enabling / re-opening rescans promptly rather than waiting.
+            self.last_scan = None;
+            return;
+        }
+        let due = self.last_scan.map_or(true, |t| t.elapsed() >= RESCAN_EVERY);
+        if !due {
+            return;
+        }
+        self.last_scan = Some(Instant::now());
+        if let Some(project) = self.project.as_mut() {
+            if project.rescan() {
+                self.log.info(format!(
+                    "detected file changes ({} code file(s), {} database(s), {} save(s))",
+                    project.code_files.len(),
+                    project.databases.len(),
+                    project.saves.len(),
+                ));
+            }
+        }
+    }
+
+    /// Handle a job finishing (the running→idle transition). When the finished job was an Unpack and
+    /// a project is open: adopt the output dir as `data_dir` if it sits under the project root (so
+    /// Translation/Verify default to the just-extracted folder), then rescan the index immediately
+    /// so the freshly-extracted code/databases/saves populate the dropdowns at once.
+    fn on_job_finished(&mut self) {
+        let Some(out) = self.pending_unpack_out.take() else {
+            return;
+        };
+        let Some(project) = self.project.as_mut() else {
+            return;
+        };
+        // Adopt the unpack output as the data dir when it lives under (or is) the project root.
+        if out.starts_with(&project.root) && project.data_dir.as_deref() != Some(out.as_path()) {
+            project.data_dir = Some(out.clone());
+            self.log.info(format!("data dir set to unpack output: {}", out.display()));
+        }
+        if project.rescan() {
+            self.log.info(format!(
+                "detected file changes ({} code file(s), {} database(s), {} save(s)) after unpack",
+                project.code_files.len(),
+                project.databases.len(),
+                project.saves.len(),
+            ));
+        }
+        // Force the next throttled tick to run promptly too (the index just moved).
+        self.last_scan = Some(Instant::now());
+    }
+}
+
+impl eframe::App for WolfDawnApp {
+    fn update(&mut self, ctx: &egui::Context, _frame: &mut eframe::Frame) {
+        self.render_frame(ctx);
+    }
+
+    /// Persist the user [`Settings`] to eframe's on-disk storage. eframe calls this periodically and
+    /// on exit (the `persistence` feature provides the storage backend under the OS config dir).
+    fn save(&mut self, storage: &mut dyn eframe::Storage) {
+        eframe::set_value(storage, Self::SETTINGS_KEY, &self.settings);
+    }
+}
+
+/// Render the open project's details into the Project body.
+fn project_details(ui: &mut egui::Ui, p: &Project) {
+    egui::Grid::new("project_details")
+        .num_columns(2)
+        .spacing([16.0, 6.0])
+        .striped(true)
+        .show(ui, |ui| {
+            row(ui, "Title", if p.title.is_empty() { "—".into() } else { p.title.clone() });
+            row(ui, "Version", if p.version.is_empty() { "—".into() } else { p.version.clone() });
+            row(ui, "Encoding", project::encoding_label(p.utf8).to_string());
+            row(ui, "Font", if p.font.is_empty() { "—".into() } else { p.font.clone() });
+            row(ui, "Game root", p.root.display().to_string());
+            row(ui, "Data.wolf", opt_path(&p.data_wolf));
+            row(ui, "Data dir", opt_path(&p.data_dir));
+            row(ui, "Game.dat", opt_path(&p.game_dat));
+            row(
+                ui,
+                "Indexed",
+                format!(
+                    "{} code file(s) · {} database(s) · {} save(s)",
+                    p.code_files.len(),
+                    p.databases.len(),
+                    p.saves.len(),
+                ),
+            );
+        });
+
+    if !p.game_dat_ok {
+        ui.add_space(8.0);
+        ui.colored_label(
+            egui::Color32::from_rgb(0xE0, 0xB0, 0x40),
+            "Warning: Game.dat was not found or could not be read - the project is open with what was located. See the log below.",
+        );
+    }
+}
+
+fn row(ui: &mut egui::Ui, key: &str, value: String) {
+    ui.label(egui::RichText::new(key).strong());
+    ui.label(value);
+    ui.end_row();
+}
+
+fn opt_path(p: &Option<PathBuf>) -> String {
+    p.as_ref().map(|p| p.display().to_string()).unwrap_or_else(|| "—".into())
+}
+
+/// Hand a (possibly large) model back to the UI thread over the translation side-channel. Boxed so
+/// the `TrResult` enum stays small. A send failure (UI hung up / app closing) is a no-op.
+fn send_model(tx: &Sender<TrResult>, model: TranslationModel) {
+    let _ = tx.send(TrResult::Model(Box::new(model)));
+}
+
+/// A project-file dropdown: a `ComboBox` over `options` (the scanned index for this section). The
+/// shown text is each path's basename (or its tail relative to a common ancestor when basenames
+/// collide, so two `Map001.mps` from different folders stay distinguishable). The *full* path is
+/// stored into `target` on selection. Returns `true` when the selection changed this frame.
+///
+/// Paths are stored as `Option<PathBuf>` everywhere in the sections (matching `widgets::path_field`),
+/// so the dropdown reuses that type rather than a raw `String`. Renders nothing (and returns false)
+/// when there are no options, so a section with an empty index falls back to its Browse button.
+fn project_combo(
+    ui: &mut egui::Ui,
+    id: &str,
+    label: &str,
+    options: &[PathBuf],
+    target: &mut Option<PathBuf>,
+    tooltip: &str,
+) -> bool {
+    if options.is_empty() {
+        return false;
+    }
+    let mut changed = false;
+    // Use the shared form row so the combo's label sits in the same fixed left column as the path
+    // rows, and fill the width up to the same right edge those rows' inputs reach (leaving the
+    // BTN_COL reserve), so the dropdown lines up with the Browse fields under it.
+    widgets::form_row(ui, label, tooltip, |ui| {
+        // The selected text: the current target's display name, or a prompt when none is chosen.
+        let selected_text = target
+            .as_ref()
+            .map(|p| combo_label(p, options))
+            .unwrap_or_else(|| "— pick from project —".to_string());
+        let combo_w = (ui.available_width() - widgets::BTN_COL_W).max(120.0);
+        egui::ComboBox::from_id_salt(id)
+            .selected_text(selected_text)
+            .width(combo_w)
+            .show_ui(ui, |ui| {
+                for opt in options {
+                    let is_sel = target.as_deref() == Some(opt.as_path());
+                    if ui
+                        .selectable_label(is_sel, combo_label(opt, options))
+                        .on_hover_text(opt.display().to_string())
+                        .clicked()
+                        && !is_sel
+                    {
+                        *target = Some(opt.clone());
+                        changed = true;
+                    }
+                }
+            })
+            .response
+            .on_hover_text(tooltip);
+    });
+    changed
+}
+
+/// The label shown for one project-combo entry: the file's basename, disambiguated with its parent
+/// dir's name when another option shares the same basename (e.g. `MapData/Map001.mps`).
+fn combo_label(path: &Path, options: &[PathBuf]) -> String {
+    let base = path
+        .file_name()
+        .map(|s| s.to_string_lossy().into_owned())
+        .unwrap_or_else(|| path.display().to_string());
+    let collides = options
+        .iter()
+        .filter(|o| o.as_path() != path)
+        .any(|o| o.file_name() == path.file_name());
+    if collides {
+        if let Some(parent) = path.parent().and_then(|p| p.file_name()) {
+            return format!("{}/{}", parent.to_string_lossy(), base);
+        }
+    }
+    base
+}
+
+/// A full-width sidebar nav row. Text-only (no icon column): emoji pictographs render as tofu on
+/// systems lacking an emoji font, so the sidebar shows just the section name, left-aligned at a
+/// fixed x so every row's text starts at the same column. Mimics `SelectableLabel` visuals.
+fn nav_button(ui: &mut egui::Ui, selected: bool, name: &str) -> egui::Response {
+    let height = 26.0;
+    let (rect, resp) =
+        ui.allocate_exact_size(egui::vec2(ui.available_width(), height), egui::Sense::click());
+    let visuals = ui.style().interact_selectable(&resp, selected);
+    if selected {
+        ui.painter()
+            .rect_filled(rect, 4.0, ui.visuals().selection.bg_fill);
+    } else if resp.hovered() {
+        ui.painter().rect_filled(rect, 4.0, visuals.weak_bg_fill);
+    }
+    let color = visuals.text_color();
+    let font = egui::FontId::proportional(15.0);
+    let mid_y = rect.center().y;
+    ui.painter().text(
+        egui::pos2(rect.left() + 10.0, mid_y),
+        egui::Align2::LEFT_CENTER,
+        name,
+        font,
+        color,
+    );
+    resp
+}
+
+/// A full-width, multi-line-aware selectable list row (used by the Database type list). Unlike
+/// `ui.selectable_label`, this allocates the row at the *wrapped* text height and paints its own
+/// rounded, padded highlight, so a long type name that wraps to two lines (e.g.
+/// `アニメーション / Animation (34 rows)`) is fully contained by the highlight instead of being
+/// clipped by a harsh single-line fill. Mirrors `nav_button`'s painting approach: selected uses
+/// `selection.bg_fill`, hovered uses a subtle `weak_bg_fill`, with readable selected-text colour.
+/// Returns the row's `Response` (so the caller handles `.clicked()`).
+fn selectable_row(ui: &mut egui::Ui, selected: bool, text: &str) -> egui::Response {
+    /// Inner padding around the label inside the highlight.
+    const PAD_X: f32 = 8.0;
+    const PAD_Y: f32 = 4.0;
+    /// Rounded-corner radius of the highlight (matches `nav_button`).
+    const ROUNDING: f32 = 4.0;
+
+    let full_w = ui.available_width();
+    // Lay out the label wrapped to the row width (minus the horizontal padding) so we know how tall
+    // the row must be to contain every wrapped line.
+    let wrap_w = (full_w - 2.0 * PAD_X).max(1.0);
+    let galley = ui.painter().layout(
+        text.to_owned(),
+        egui::TextStyle::Body.resolve(ui.style()),
+        // PLACEHOLDER so the glyph colour is taken from the `fallback_color` passed to
+        // `painter.galley` below, the interaction visuals' (selected-aware) text colour.
+        egui::Color32::PLACEHOLDER,
+        wrap_w,
+    );
+    let row_h = galley.size().y + 2.0 * PAD_Y;
+
+    let (rect, resp) =
+        ui.allocate_exact_size(egui::vec2(full_w, row_h), egui::Sense::click());
+    let visuals = ui.style().interact_selectable(&resp, selected);
+    if selected {
+        ui.painter()
+            .rect_filled(rect, ROUNDING, ui.visuals().selection.bg_fill);
+    } else if resp.hovered() {
+        ui.painter().rect_filled(rect, ROUNDING, visuals.weak_bg_fill);
+    }
+    // Draw the (already-wrapped) label with padding inside the highlight, using the interaction
+    // visuals' text colour so the selected row stays readable.
+    ui.painter().galley(
+        egui::pos2(rect.left() + PAD_X, rect.top() + PAD_Y),
+        galley,
+        visuals.text_color(),
+    );
+    resp
+}
+
+/// Parse a cryptVersion from the Repack "match version" field: accepts `0x14b` (hex) or a decimal
+/// number, mirroring `cmd_pack`'s `--version` parsing. `None` for anything that doesn't parse.
+fn parse_crypt_version(text: &str) -> Option<u16> {
+    let t = text.trim();
+    if t.is_empty() {
+        return None;
+    }
+    let stripped = t.trim_start_matches("0x").trim_start_matches("0X");
+    u16::from_str_radix(stripped, 16).ok().or_else(|| t.parse().ok())
+}
+
+/// The badge colour + tag word for a verify [`Verdict`] (green PASS / amber FAIL / red ERR).
+fn verdict_color(verdict: &Verdict) -> (egui::Color32, &'static str) {
+    match verdict {
+        Verdict::Pass => (egui::Color32::from_rgb(0x40, 0xA0, 0x60), "PASS"),
+        Verdict::Fail { .. } => (egui::Color32::from_rgb(0xE0, 0xB0, 0x40), "FAIL"),
+        Verdict::Error(_) => (egui::Color32::from_rgb(0xE0, 0x60, 0x60), "ERR"),
+    }
+}
+
+/// Append a Japanese system font as a fallback so CJK glyphs render. egui ships Latin-only fonts, so
+/// without this every Japanese string in the tool shows as tofu (□). The JP font goes to the END of
+/// both families, so Latin keeps the crisp default and only glyphs the default lacks (kana/kanji)
+/// fall back to it. Tries a few common Windows fonts. If none is found it's a no-op (Latin only).
+fn install_cjk_font(ctx: &egui::Context) {
+    const CANDIDATES: &[&str] = &[
+        r"C:\Windows\Fonts\YuGothR.ttc",
+        r"C:\Windows\Fonts\meiryo.ttc",
+        r"C:\Windows\Fonts\msgothic.ttc",
+        r"C:\Windows\Fonts\YuGothM.ttc",
+        r"C:\Windows\Fonts\msmincho.ttc",
+    ];
+    let Some(bytes) = CANDIDATES.iter().find_map(|p| std::fs::read(p).ok()) else {
+        return;
+    };
+    let mut fonts = egui::FontDefinitions::default();
+    fonts
+        .font_data
+        .insert("jp".to_owned(), egui::FontData::from_owned(bytes));
+    for family in [egui::FontFamily::Proportional, egui::FontFamily::Monospace] {
+        fonts.families.entry(family).or_default().push("jp".to_owned());
+    }
+    ctx.set_fonts(fonts);
+}
+
+/// A short, always-renderable text tag for each translatable file kind in the left list (shown in
+/// brackets before the file name). Replaces the old emoji icons so the list never tofus.
+fn kind_icon(kind: FileKind) -> &'static str {
+    match kind {
+        FileKind::Map => "[Map]",
+        FileKind::CommonEvent => "[Common]",
+        FileKind::Database => "[DB]",
+        FileKind::GameDat => "[Game]",
+        FileKind::TxtEvent => "[Text]",
+    }
+}
diff --git a/util/wolfdawn-master/crates/wolf-gui/src/archive.rs b/util/wolfdawn-master/crates/wolf-gui/src/archive.rs
new file mode 100644
index 0000000..92dabaf
--- /dev/null
+++ b/util/wolfdawn-master/crates/wolf-gui/src/archive.rs
@@ -0,0 +1,463 @@
+//! The Archive section's headless logic: unpack a `.wolf` to a folder and repack a folder back
+//! into a `.wolf`, calling the **same** `wolf_archive` library functions the CLI's `cmd_unpack` /
+//! `cmd_pack` use (no shelling out). The egui rendering lives in `app.rs`. This module owns the
+//! file-level work so the whole flow can be exercised headlessly in tests.
+//!
+//!   * [`unpack`] mirrors `cmd_unpack`: read the archive, call [`wolf_archive::extract_archive`]
+//!     (which handles any supported crypt regime), then write each file into the
+//!     output dir under a *sanitised* relative path (the same `..`/`.`-stripping the CLI does, so a
+//!     hostile or malformed archive path can't escape the output folder).
+//!   * [`repack`] mirrors `cmd_pack`: gather `(relative-path, bytes)` for every file under the input
+//!     folder, then call the matching `wolf_archive::pack_*` path for the chosen [`PackOptions`]
+//!     (plaintext / encrypted / new-crypt / `--like` an existing archive / the legacy ver5|ver6
+//!     containers).
+//!
+//! Repack fidelity: an unpack/repack/unpack round-trips the *file set and contents* byte-for-byte,
+//! but a fresh `.wolf` is not guaranteed byte-identical to an editor-produced original (see the
+//! `wolf_archive::pack` notes, the header/compression differs slightly). The library's own
+//! `extract_archive` reads our output back losslessly, which is what the verify/round-trip tests
+//! assert.
+
+use std::path::{Path, PathBuf};
+
+/// The CLI's default cryptVersion when `--encrypt` is given without an explicit `--version`
+/// (Wolf v3.00). Kept in sync with `cmd_pack`'s `version` default.
+pub const DEFAULT_CRYPT_VERSION: u16 = 0x12C;
+
+/// The default new-crypt password used when encrypting a new-crypt version (`0x14B`/`0x15E`)
+/// without a `--like` source or an explicit password. Mirrors `cmd_pack`'s `default_pwd`. The
+/// archive embeds whatever password it was built with, so it stays self-describing.
+const DEFAULT_NEWCRYPT_PWD: [u8; 15] = *b"WolfDawnRepack!";
+
+/// The container format the user picked, mirroring the CLI `pack --format` flag. `Auto` is the
+/// modern VER8 container (plaintext, or encrypted per [`PackOptions::encrypt`]); `Ver5`/`Ver6` are
+/// the legacy DXArchive containers for Wolf 2.0x.
+#[derive(Clone, Copy, PartialEq, Eq, Debug, Default)]
+pub enum PackFormat {
+    #[default]
+    Auto,
+    Ver5,
+    Ver6,
+}
+
+impl PackFormat {
+    /// The dropdown label.
+    pub fn label(self) -> &'static str {
+        match self {
+            PackFormat::Auto => "auto",
+            PackFormat::Ver5 => "ver5",
+            PackFormat::Ver6 => "ver6",
+        }
+    }
+}
+
+/// Where the encryption parameters for an encrypted repack come from. Mutually exclusive (a small
+/// radio in the UI): the CLI default cryptVersion, a manually-typed version, or inherited from an
+/// existing `.wolf` (`--like`). Only consulted when [`PackOptions::encrypt`] is set and the format
+/// is [`PackFormat::Auto`].
+#[derive(Clone, PartialEq, Eq, Debug)]
+pub enum CryptSource {
+    /// The CLI default cryptVersion ([`DEFAULT_CRYPT_VERSION`]).
+    Default,
+    /// A manually-entered cryptVersion (e.g. `0x14b`).
+    Version(u16),
+    /// Inherit cryptVersion + embedded password from an existing archive (turnkey repack).
+    Like(PathBuf),
+}
+
+impl Default for CryptSource {
+    fn default() -> Self {
+        CryptSource::Default
+    }
+}
+
+/// The repack options, assembled from the UI controls. The GUI equivalent of `cmd_pack`'s flags.
+#[derive(Clone, Debug)]
+pub struct PackOptions {
+    /// Encrypt the output (the `--encrypt` flag). Ignored for the legacy ver5/ver6 formats, which
+    /// have their own (un-keyed) container.
+    pub encrypt: bool,
+    /// Where the crypt params come from when `encrypt` is set on an `Auto`-format archive.
+    pub crypt: CryptSource,
+    /// The container format.
+    pub format: PackFormat,
+}
+
+impl Default for PackOptions {
+    fn default() -> Self {
+        Self {
+            encrypt: false,
+            crypt: CryptSource::Default,
+            format: PackFormat::Auto,
+        }
+    }
+}
+
+/// The outcome of an [`unpack`]: how many files were written, and the (already-logged) names of any
+/// files whose archive path had to be sanitised (rare, a malformed/hostile path).
+pub struct UnpackOutcome {
+    /// Number of files written to the output dir.
+    pub written: usize,
+    /// `(original archive path, sanitised path)` for files whose name needed `..`/`.` stripped.
+    pub sanitised: Vec<(String, String)>,
+    /// The output directory files were written under.
+    pub out_dir: PathBuf,
+}
+
+/// Sanitise an archive's inner path into a safe relative path: drop empty/`.`/`..` segments and the
+/// drive/leading-separator, exactly like `cmd_unpack`, so a file can never escape the output dir.
+fn safe_relative(path: &str) -> PathBuf {
+    path.split(['\\', '/'])
+        .filter(|s| !s.is_empty() && *s != "." && *s != "..")
+        .collect()
+}
+
+/// Extract every file from a `.wolf` archive into `out_dir`, preserving the inner directory tree.
+/// Calls the library's [`wolf_archive::extract_archive`] (the same path `cmd_unpack` uses), which
+/// handles every crypt regime and is resilient to odd archives. `report` drives a progress bar. Pass
+/// a no-op in tests. Returns the file count + any sanitised-path warnings.
+///
+/// The empty key string (`b""`) lets the library pick the right default WolfPro key, matching the
+/// CLI. Files are written under a sanitised relative path so a malformed archive entry cannot write
+/// outside `out_dir`.
+pub fn unpack(
+    archive: &Path,
+    out_dir: &Path,
+    mut report: impl FnMut(f32, String),
+) -> Result<UnpackOutcome, String> {
+    report(0.05, "reading archive…".to_string());
+    let data = std::fs::read(archive)
+        .map_err(|e| format!("cannot read {}: {e}", archive.display()))?;
+
+    report(0.3, "decoding archive…".to_string());
+    let files = wolf_archive::extract_archive(&data, b"")
+        .map_err(|e| format!("not a readable Wolf archive ({e})"))?;
+    let total = files.len();
+    if total == 0 {
+        return Err("the archive holds no files".to_string());
+    }
+
+    std::fs::create_dir_all(out_dir)
+        .map_err(|e| format!("cannot create {}: {e}", out_dir.display()))?;
+
+    let mut sanitised = Vec::new();
+    let mut written = 0usize;
+    for (i, (path, bytes)) in files.iter().enumerate() {
+        // Progress over the back 0.3..1.0 of the bar (the table decode took the first 0.3).
+        if total > 0 {
+            let frac = 0.3 + 0.7 * (i as f32) / (total as f32);
+            report(frac, format!("writing {path}"));
+        }
+        let safe = safe_relative(path);
+        if safe.as_os_str().is_empty() {
+            // A path that sanitised away to nothing (all `.`/`..`); skip it rather than write to the
+            // dir root. Record it so the caller can warn.
+            sanitised.push((path.clone(), String::new()));
+            continue;
+        }
+        // If sanitising changed the path, note it (so the UI can warn about the odd entry).
+        let safe_str = safe.to_string_lossy().replace('\\', "/");
+        let orig_norm = path.replace('\\', "/");
+        if safe_str != orig_norm {
+            sanitised.push((path.clone(), safe_str.clone()));
+        }
+        let target = out_dir.join(&safe);
+        if let Some(parent) = target.parent() {
+            std::fs::create_dir_all(parent)
+                .map_err(|e| format!("cannot create {}: {e}", parent.display()))?;
+        }
+        std::fs::write(&target, bytes)
+            .map_err(|e| format!("cannot write {}: {e}", target.display()))?;
+        written += 1;
+    }
+    report(1.0, "done".to_string());
+    Ok(UnpackOutcome {
+        written,
+        sanitised,
+        out_dir: out_dir.to_path_buf(),
+    })
+}
+
+/// The outcome of an [`unpack_all`]: how many archives unpacked, how many failed, the total file
+/// count, the output root, and a per-archive `(name, written-or-error)` list for the log.
+pub struct UnpackAllOutcome {
+    pub ok: usize,
+    pub failed: usize,
+    pub files: usize,
+    pub out_root: PathBuf,
+    pub details: Vec<(String, Result<usize, String>)>,
+}
+
+/// Unpack every `.wolf` archive directly inside `dir` into `<out_root>/<stem>/`. A per-category
+/// game splits its data across many archives (BasicData.wolf, MapData.wolf, Evtext.wolf, ...);
+/// this takes the whole set apart in one pass. Each `Name.wolf` lands in `<out_root>/Name/`, which
+/// mirrors how the engine maps a category archive to a `Name/` folder, so the result is a loose
+/// data tree the game can load and the per-file extractors can read. One bad archive is recorded
+/// and skipped rather than aborting the run. Mirrors the CLI `unpack-all`.
+pub fn unpack_all(
+    dir: &Path,
+    out_root: &Path,
+    mut report: impl FnMut(f32, String),
+) -> Result<UnpackAllOutcome, String> {
+    let mut archives: Vec<PathBuf> = std::fs::read_dir(dir)
+        .map_err(|e| format!("cannot read {}: {e}", dir.display()))?
+        .flatten()
+        .map(|e| e.path())
+        .filter(|p| {
+            p.is_file()
+                && p.extension()
+                    .and_then(|x| x.to_str())
+                    .map(|x| x.eq_ignore_ascii_case("wolf"))
+                    .unwrap_or(false)
+        })
+        .collect();
+    archives.sort();
+    if archives.is_empty() {
+        return Err(format!("no .wolf archives found in {}", dir.display()));
+    }
+
+    let total = archives.len();
+    let mut out = UnpackAllOutcome {
+        ok: 0,
+        failed: 0,
+        files: 0,
+        out_root: out_root.to_path_buf(),
+        details: Vec::with_capacity(total),
+    };
+    for (i, arc) in archives.iter().enumerate() {
+        let stem = arc
+            .file_stem()
+            .and_then(|s| s.to_str())
+            .unwrap_or("archive")
+            .to_string();
+        let name = arc
+            .file_name()
+            .and_then(|s| s.to_str())
+            .unwrap_or(&stem)
+            .to_string();
+        report(i as f32 / total as f32, format!("unpacking {name}…"));
+        let dest = out_root.join(&stem);
+        // Swallow the inner per-file progress; the outer bar steps once per archive.
+        match unpack(arc, &dest, |_f, _m| {}) {
+            Ok(o) => {
+                out.ok += 1;
+                out.files += o.written;
+                out.details.push((name, Ok(o.written)));
+            }
+            Err(e) => {
+                out.failed += 1;
+                out.details.push((name, Err(e)));
+            }
+        }
+    }
+    report(1.0, "done".to_string());
+    Ok(out)
+}
+
+/// The outcome of a [`repack`]: the output path, the file count packed, and the output size.
+pub struct RepackOutcome {
+    pub out: PathBuf,
+    pub files: usize,
+    pub bytes: usize,
+    /// A short human description of the crypto mode used (for the log).
+    pub mode: String,
+}
+
+/// Recursively gather `(relative-path, bytes)` for every file under `dir`, the same as `cmd_pack`'s
+/// `gather_files` (slashes normalised so the archive's inner paths are platform-independent).
+fn gather_files(base: &Path, dir: &Path, out: &mut Vec<(String, Vec<u8>)>) -> Result<(), String> {
+    let rd = std::fs::read_dir(dir).map_err(|e| format!("cannot read {}: {e}", dir.display()))?;
+    for entry in rd {
+        let p = entry.map_err(|e| e.to_string())?.path();
+        if p.is_dir() {
+            gather_files(base, &p, out)?;
+        } else {
+            let rel = p
+                .strip_prefix(base)
+                .unwrap_or(&p)
+                .to_string_lossy()
+                .replace('\\', "/");
+            let bytes = std::fs::read(&p).map_err(|e| format!("cannot read {}: {e}", p.display()))?;
+            out.push((rel, bytes));
+        }
+    }
+    Ok(())
+}
+
+/// Pack every file under `input_dir` into a `.wolf` at `out`, using the crypto/format the
+/// [`PackOptions`] describe. Dispatches to the same `wolf_archive::pack_*` functions `cmd_pack` does.
+/// `report` drives a progress bar. Pass a no-op in tests.
+///
+/// For an encrypted `Auto` archive the cryptVersion (and, for `--like`, the embedded password) is
+/// resolved up front. New-crypt versions (`0x14B`/`0x15E`) use the embedded default password when no
+/// `--like` source is given. The output is written to `out` and its size reported.
+pub fn repack(
+    input_dir: &Path,
+    out: &Path,
+    opts: &PackOptions,
+    mut report: impl FnMut(f32, String),
+) -> Result<RepackOutcome, String> {
+    report(0.05, "gathering files…".to_string());
+    let mut files: Vec<(String, Vec<u8>)> = Vec::new();
+    gather_files(input_dir, input_dir, &mut files)?;
+    if files.is_empty() {
+        return Err(format!("no files found under {}", input_dir.display()));
+    }
+    files.sort();
+    report(0.4, format!("packing {} file(s)…", files.len()));
+
+    // Resolve the crypto mode, mirroring cmd_pack's dispatch.
+    let (bytes, mode) = match opts.format {
+        PackFormat::Ver5 => (
+            wolf_archive::pack_ver5(&files)?,
+            "ver5 (Wolf 2.0x)".to_string(),
+        ),
+        PackFormat::Ver6 => (
+            wolf_archive::pack_ver6(&files)?,
+            "ver6 (Wolf 2.0x)".to_string(),
+        ),
+        PackFormat::Auto if !opts.encrypt => {
+            (wolf_archive::pack_plaintext(&files)?, "unencrypted".to_string())
+        }
+        PackFormat::Auto => {
+            // Resolve cryptVersion (+ embedded password for --like).
+            let (version, pwd, src_note) = match &opts.crypt {
+                CryptSource::Default => (DEFAULT_CRYPT_VERSION, None, ""),
+                CryptSource::Version(v) => (*v, None, ""),
+                CryptSource::Like(orig) => {
+                    let params = std::fs::read(orig)
+                        .ok()
+                        .and_then(|d| wolf_archive::archive_crypt_params(&d));
+                    match params {
+                        Some((cv, p)) => (cv, Some(p), " (--like)"),
+                        None => {
+                            return Err(format!(
+                                "could not read crypt params from {}",
+                                orig.display()
+                            ))
+                        }
+                    }
+                }
+            };
+            let packed = if matches!(version, 0x14B | 0x15E) {
+                wolf_archive::pack_newcrypt(&files, version, &pwd.unwrap_or(DEFAULT_NEWCRYPT_PWD))?
+            } else {
+                wolf_archive::pack_encrypted(&files, version)?
+            };
+            (packed, format!("encrypted cryptVersion={version:#x}{src_note}"))
+        }
+    };
+
+    if let Some(parent) = out.parent() {
+        if !parent.as_os_str().is_empty() {
+            std::fs::create_dir_all(parent)
+                .map_err(|e| format!("cannot create {}: {e}", parent.display()))?;
+        }
+    }
+    std::fs::write(out, &bytes).map_err(|e| format!("cannot write {}: {e}", out.display()))?;
+    report(1.0, "done".to_string());
+    Ok(RepackOutcome {
+        out: out.to_path_buf(),
+        files: files.len(),
+        bytes: bytes.len(),
+        mode,
+    })
+}
+
+#[cfg(test)]
+mod tests {
+    use super::*;
+
+    /// Resolve a fixture by its clean relative path under `WOLFDAWN_TEST_DATA`. Returns `None` when
+    /// the var is unset or the file is missing, so the data-dependent tests skip gracefully.
+    fn test_data(rel: &str) -> Option<PathBuf> {
+        let base = std::env::var_os("WOLFDAWN_TEST_DATA")?;
+        let p = Path::new(&base).join(rel);
+        p.exists().then_some(p)
+    }
+
+    fn tmp_dir(tag: &str) -> PathBuf {
+        let p = std::env::temp_dir().join(format!(
+            "wolfdawn_archive_{tag}_{}_{}",
+            std::process::id(),
+            std::time::SystemTime::now()
+                .duration_since(std::time::UNIX_EPOCH)
+                .map(|d| d.as_nanos())
+                .unwrap_or(0)
+        ));
+        let _ = std::fs::create_dir_all(&p);
+        p
+    }
+
+    /// Unpack the Chamber fixture's Data.wolf (if present) and confirm the data files appear. Writes
+    /// only to a temp dir, never touches the game folder. Skips gracefully when the archive is absent.
+    #[test]
+    fn unpack_chamber_archive() {
+        let Some(archive) = test_data("chamber/Data.wolf") else {
+            eprintln!("skip unpack_chamber_archive: archive fixture not present");
+            return;
+        };
+        let out = tmp_dir("unpack");
+        let outcome = unpack(&archive, &out, |_, _| {}).expect("unpack");
+        assert!(outcome.written > 0, "some files should have been written");
+        assert!(
+            out.join("BasicData/CommonEvent.dat").exists(),
+            "the unpacked tree should contain BasicData/CommonEvent.dat"
+        );
+        let _ = std::fs::remove_dir_all(&out);
+    }
+
+    /// Pack a small temp folder to a `.wolf`, unpack it again, and confirm the files round-trip with
+    /// identical content. Uses copies of a couple of fixture data files (never modifies the fixtures root).
+    #[test]
+    fn repack_round_trip() {
+        // Source a couple of small, real data files from the fixtures root (read-only).
+        let present: Vec<PathBuf> = [
+            "chamber/Data/BasicData/Game.dat",
+            "chamber/Data/BasicData/CommonEvent.dat",
+            "chamber/Data/MapData/TitleMap.mps",
+        ]
+        .iter()
+        .filter_map(|r| test_data(r))
+        .collect();
+        if present.is_empty() {
+            eprintln!("skip repack_round_trip: no data fixtures present");
+            return;
+        }
+
+        // Build a small input folder of COPIES (with a nested subdir to exercise the tree).
+        let src = tmp_dir("repack_src");
+        let _ = std::fs::create_dir_all(src.join("BasicData"));
+        let mut expect: Vec<(String, Vec<u8>)> = Vec::new();
+        for (i, p) in present.iter().enumerate() {
+            let name = p.file_name().unwrap().to_string_lossy().to_string();
+            let rel = format!("BasicData/{name}");
+            let dst = src.join("BasicData").join(&name);
+            std::fs::copy(p, &dst).expect("copy");
+            expect.push((rel, std::fs::read(p).expect("read source")));
+            // Only take up to two files to keep the archive small.
+            if i >= 1 {
+                break;
+            }
+        }
+
+        let out_wolf = tmp_dir("repack_out").join("Data.wolf");
+        let outcome = repack(&src, &out_wolf, &PackOptions::default(), |_, _| {}).expect("repack");
+        assert!(outcome.files >= 1, "at least one file should be packed");
+        assert!(outcome.bytes > 0, "the archive should be non-empty");
+
+        // Unpack the freshly-built archive and confirm every input file comes back with the same bytes.
+        let back = tmp_dir("repack_back");
+        let un = unpack(&out_wolf, &back, |_, _| {}).expect("unpack repacked");
+        assert!(un.written >= 1, "files should extract from the repacked archive");
+        for (rel, bytes) in &expect {
+            let got = back.join(rel);
+            assert!(got.exists(), "{rel} should round-trip through repack");
+            assert_eq!(&std::fs::read(&got).expect("read back"), bytes, "{rel} content must match");
+        }
+
+        let _ = std::fs::remove_dir_all(&src);
+        let _ = std::fs::remove_dir_all(out_wolf.parent().unwrap());
+        let _ = std::fs::remove_dir_all(&back);
+    }
+}
diff --git a/util/wolfdawn-master/crates/wolf-gui/src/database.rs b/util/wolfdawn-master/crates/wolf-gui/src/database.rs
new file mode 100644
index 0000000..c8eb2e8
--- /dev/null
+++ b/util/wolfdawn-master/crates/wolf-gui/src/database.rs
@@ -0,0 +1,678 @@
+//! The Database section's data model and the headless logic behind it.
+//!
+//! A spreadsheet-like editor over a Wolf database (`*.project` + sibling `*.dat`) so a non-coder can
+//! change values like item prices, skill power, or enemy HP without touching JSON. This module owns
+//! everything *except* the egui rendering (which lives in `app.rs`), so the whole load/edit/save
+//! flow can be exercised headlessly in tests.
+//!
+//! It mirrors the CLI's `db-json` (`database_to_json`) + `db-apply` (`apply_database_edit`) pair,
+//! calling the **same** `wolf_decompiler` library functions directly (no shelling out), so the GUI
+//! and CLI agree on the JSON shape and the byte-exact apply:
+//!
+//!   * [`load`] reads the `.project`+`.dat` pair with [`Database::read`], renders it to JSON with
+//!     [`database_to_json`] (exactly what `cmd_db_json` does, via the same per-stem `kind` label),
+//!     parses it into a [`DbModel`] of [`DbType`]s -> [`DbRow`]s -> [`Cell`]s, and **keeps the parsed
+//!     `doc`** so a save can rewrite just the edited leaves. Each editable cell carries a JSON
+//!     Pointer (RFC 6901) to its leaf in `doc`, exactly like `translation.rs`, so an edit touches
+//!     one leaf and every other byte stays identical.
+//!   * [`save`] writes each row's edited value into the leaf its pointer addresses, serializes the
+//!     patched `doc`, and applies it with [`apply_database_edit`] onto a freshly-read base (the
+//!     `db-apply` path), re-parses the [`Database::write`] output to verify it round-trips, and
+//!     writes the `.project`+`.dat` pair together byte-exact, optionally backing up the originals
+//!     first. Untouched data re-serializes verbatim, so a no-change save reproduces both halves
+//!     byte-for-byte.
+//!
+//! The DB `.project` is the canonical handle. The sibling `.dat` is paired by extension, mirroring
+//! the CLI's `cmd_db_apply` (`base.with_extension("dat")`).
+
+use std::path::{Path, PathBuf};
+
+use serde_json::Value;
+use wolf_decompiler::{apply_database_edit, database_to_json};
+use wolf_formats::database::Database;
+
+/// One editable cell of a data row: which field column it belongs to, the editable value (as text -
+/// ints are edited as their decimal string and validated on apply), whether it is a string or int
+/// field (so the grid can hint and the apply path can re-type it), and the JSON Pointer to this
+/// cell's leaf inside the owning [`DbModel::doc`]. The pointer is what makes a save lossless: an edit
+/// rewrites exactly that one leaf, leaving every other byte of the document untouched.
+#[derive(Clone)]
+pub struct Cell {
+    /// The owning field's display key (the same key the JSON `values` object uses).
+    pub field: String,
+    /// The editable value, as text (string cells verbatim, int cells as their decimal form).
+    pub value: String,
+    /// The value as loaded (read-only, for change detection).
+    pub original: String,
+    /// `true` for a string field, `false` for an int field.
+    pub is_string: bool,
+    /// RFC 6901 JSON Pointer to this cell's value leaf inside [`DbModel::doc`].
+    ptr: String,
+}
+
+impl Cell {
+    /// True when the user changed this cell from its loaded value.
+    pub fn is_changed(&self) -> bool {
+        self.value != self.original
+    }
+}
+
+/// One data row of a type: its editable display name (+ pointer) plus one [`Cell`] per data field.
+#[derive(Clone)]
+pub struct DbRow {
+    /// The row's stable id (its index in the type's data), shown for orientation.
+    pub id: usize,
+    /// The editable row name (the first grid column).
+    pub name: String,
+    /// The name as loaded (read-only, for change detection).
+    pub name_original: String,
+    /// JSON Pointer to this row's `name` leaf inside [`DbModel::doc`].
+    name_ptr: String,
+    /// One cell per data field, in column order.
+    pub cells: Vec<Cell>,
+}
+
+impl DbRow {
+    /// How many of this row's editable leaves changed (name counts as one).
+    pub fn changed_count(&self) -> usize {
+        let n = usize::from(self.name != self.name_original);
+        n + self.cells.iter().filter(|c| c.is_changed()).count()
+    }
+}
+
+/// One database type (タイプ), a table like "Skill", "Item", "Enemy": its display name, the data
+/// field column names (in order), and its data rows.
+pub struct DbType {
+    /// The type's display name (e.g. `技能 / Skill`).
+    pub name: String,
+    /// The data field column names, in order (the grid header, after the row-name column).
+    pub fields: Vec<String>,
+    /// The data rows.
+    pub rows: Vec<DbRow>,
+}
+
+impl DbType {
+    /// How many editable leaves the user changed across this type.
+    pub fn changed_count(&self) -> usize {
+        self.rows.iter().map(DbRow::changed_count).sum()
+    }
+}
+
+/// The loaded, editable view of a database: where it came from (the `.project`, with the `.dat`
+/// paired by extension), the read-only kind/encoding badges, and the types.
+///
+/// The full parsed JSON document is NOT kept resident. It is the heaviest part of a large database
+/// (every value and a repeated key per row, plus map overhead), so save/export rebuild it on demand
+/// from the base file and apply the edits then. The editable grid keeps only what a user can change
+/// (cell values + row names) plus each leaf's JSON pointer.
+pub struct DbModel {
+    /// The on-disk `.project` this was loaded from (the [`save`] in-place target, `.dat` is sibling).
+    pub project: PathBuf,
+    /// The DB kind label (`UDB` / `CDB` / `SDB`), read-only.
+    pub kind: String,
+    /// The text encoding badge (`UTF-8` / `Shift-JIS`), read-only.
+    pub encoding: String,
+    /// The types (tables), in order.
+    pub types: Vec<DbType>,
+}
+
+impl DbModel {
+    /// Total data rows across every type.
+    pub fn total_rows(&self) -> usize {
+        self.types.iter().map(|t| t.rows.len()).sum()
+    }
+
+    /// How many editable leaves the user changed across the whole model.
+    pub fn changed_count(&self) -> usize {
+        self.types.iter().map(DbType::changed_count).sum()
+    }
+
+    /// True when anything was edited (so the Save button can gate on it).
+    pub fn dirty(&self) -> bool {
+        self.changed_count() > 0
+    }
+}
+
+/// The per-stem `kind` label, matching the CLI's `db_json_one` exactly.
+fn kind_for(proj: &Path) -> &'static str {
+    match proj.file_stem().and_then(|s| s.to_str()) {
+        Some("DataBase") => "UDB",
+        Some("CDataBase") => "CDB",
+        Some("SysDatabase") => "SDB",
+        _ => "DB",
+    }
+}
+
+/// Escape one path token for an RFC 6901 JSON Pointer (`~` -> `~0`, `/` -> `~1`). Field keys can
+/// contain `/` (e.g. `発動回数/武器の影響`) so this must run on every dynamic segment.
+fn esc(token: &str) -> String {
+    token.replace('~', "~0").replace('/', "~1")
+}
+
+/// Read and parse the `.project`+`.dat` pair into the editable grid model, reusing [`Database::read`]
+/// + [`database_to_json`] (the CLI's `db-json` path) with the same per-stem `kind` label. The
+/// returned model keeps the parsed JSON so a later [`save`] rewrites only the edited leaves.
+pub fn load(project: &Path) -> Result<DbModel, String> {
+    let dat = project.with_extension("dat");
+    let pb = std::fs::read(project)
+        .map_err(|e| format!("cannot read {}: {e}", project.display()))?;
+    let db_ = std::fs::read(&dat).map_err(|e| format!("cannot read {}: {e}", dat.display()))?;
+    let db = Database::read(&pb, &db_).map_err(|e| format!("database parse failed: {e}"))?;
+    let kind = kind_for(project);
+    let glossary = wolf_decompiler::symbols::load_embedded_engine_glossary();
+    let json = database_to_json(&db, kind, &glossary);
+    let doc: Value = serde_json::from_str(&json).map_err(|e| format!("invalid DB JSON: {e}"))?;
+
+    let kind_s = doc
+        .get("kind")
+        .and_then(Value::as_str)
+        .unwrap_or(kind)
+        .to_string();
+    let encoding = doc
+        .get("encoding")
+        .and_then(Value::as_str)
+        .unwrap_or("UTF-8")
+        .to_string();
+
+    let types = types_from_doc(&doc);
+    // `doc` is dropped here: the grid carries everything editable, and save/export rebuild the doc
+    // from the base file when needed, so it is not held for the session.
+    Ok(DbModel {
+        project: project.to_path_buf(),
+        kind: kind_s,
+        encoding,
+        types,
+    })
+}
+
+/// Build the editable types/rows/cells (each carrying its JSON pointer) from the parsed document.
+fn types_from_doc(doc: &Value) -> Vec<DbType> {
+    let mut out = Vec::new();
+    let Some(types) = doc.get("types").and_then(Value::as_array) else {
+        return out;
+    };
+    for (idx, t) in types.iter().enumerate() {
+        let ti = t.get("id").and_then(Value::as_u64).map(|n| n as usize).unwrap_or(idx);
+        let type_name = display_name(t);
+
+        // The data field columns are the keys of the FIRST row's `values` object, in order (only the
+        // `fields_size` data fields appear there, schema-only fields are absent, matching the export).
+        // We derive the column order + each cell's string/int kind from the `fields` schema, keyed by
+        // the same `values` key (unique field name, else `#<id>`), so a missing first row still works.
+        let columns = value_columns(t);
+        let field_labels: Vec<String> = columns.iter().map(|c| c.label.clone()).collect();
+
+        let mut rows = Vec::new();
+        if let Some(rs) = t.get("rows").and_then(Value::as_array) {
+            for r in rs {
+                let ri = r.get("id").and_then(Value::as_u64).unwrap_or(0) as usize;
+                let name = r.get("name").and_then(Value::as_str).unwrap_or("").to_string();
+                let mut cells = Vec::with_capacity(columns.len());
+                for col in &columns {
+                    let v = r.get("values").and_then(|vv| vv.get(&col.key));
+                    let value = match v {
+                        Some(Value::String(s)) => s.clone(),
+                        Some(Value::Number(n)) => n.to_string(),
+                        Some(other) => other.to_string(),
+                        None => String::new(),
+                    };
+                    cells.push(Cell {
+                        field: col.label.clone(),
+                        original: value.clone(),
+                        value,
+                        is_string: col.is_string,
+                        ptr: format!("/types/{ti}/rows/{ri}/values/{}", esc(&col.key)),
+                    });
+                }
+                rows.push(DbRow {
+                    id: ri,
+                    name_original: name.clone(),
+                    name,
+                    name_ptr: format!("/types/{ti}/rows/{ri}/name"),
+                    cells,
+                });
+            }
+        }
+
+        out.push(DbType {
+            name: type_name,
+            fields: field_labels,
+            rows,
+        });
+    }
+    out
+}
+
+/// A data column derived from a type's schema: the `values` key, a friendly label, and the kind.
+struct Column {
+    /// The key as it appears in each row's `values` object.
+    key: String,
+    /// A friendly column label (`name_en` when present, else the JP `name`).
+    label: String,
+    /// `true` for a string field.
+    is_string: bool,
+}
+
+/// Derive the ordered data columns from a type's `fields` schema. A field carries row data unless it
+/// is tagged `schemaOnly: true`. Its `values` key is its unique field name, else `#<id>`, the same
+/// rule `value_slots`/`database_to_json` use, so the keys always match the row objects.
+fn value_columns(t: &Value) -> Vec<Column> {
+    let Some(fields) = t.get("fields").and_then(Value::as_array) else {
+        return Vec::new();
+    };
+    // Count name occurrences among data-bearing fields so duplicates fall back to `#<id>`.
+    let data_fields: Vec<&Value> = fields
+        .iter()
+        .filter(|f| !f.get("schemaOnly").and_then(Value::as_bool).unwrap_or(false))
+        .collect();
+    let mut name_counts: std::collections::HashMap<&str, u32> = std::collections::HashMap::new();
+    for f in &data_fields {
+        let n = f.get("name").and_then(Value::as_str).unwrap_or("");
+        if !n.is_empty() {
+            *name_counts.entry(n).or_default() += 1;
+        }
+    }
+    let mut out = Vec::with_capacity(data_fields.len());
+    for f in &data_fields {
+        let fi = f.get("id").and_then(Value::as_u64).unwrap_or(0) as usize;
+        let jp = f.get("name").and_then(Value::as_str).unwrap_or("");
+        let en = f.get("name_en").and_then(Value::as_str);
+        let key = if jp.is_empty() || name_counts.get(jp).copied().unwrap_or(0) > 1 {
+            format!("#{fi}")
+        } else {
+            jp.to_string()
+        };
+        let label = match en {
+            Some(e) if !e.is_empty() && e != jp => format!("{jp} / {e}"),
+            _ if jp.is_empty() => format!("#{fi}"),
+            _ => jp.to_string(),
+        };
+        let is_string = f.get("kind").and_then(Value::as_str) == Some("string");
+        out.push(Column { key, label, is_string });
+    }
+    out
+}
+
+/// A friendly display name for a type/row: `name_en` appended when present (`JP / EN`), else JP.
+fn display_name(v: &Value) -> String {
+    let jp = v.get("name").and_then(Value::as_str).unwrap_or("");
+    match v.get("name_en").and_then(Value::as_str) {
+        Some(en) if !en.is_empty() && en != jp => format!("{jp} / {en}"),
+        _ => jp.to_string(),
+    }
+}
+
+// ----------------------------------------------------------------------------
+// Save / export: rebuild the doc from the base, patch in the edits, apply + write
+// ----------------------------------------------------------------------------
+
+/// Push each row's edited name + cell values into `doc` (a freshly rebuilt `database_to_json`
+/// document), via each leaf's JSON pointer, so the document is current before it is fed to
+/// `apply_database_edit`. Int cells write a JSON number (so the apply path's `as_i64` accepts them).
+/// String cells write a JSON string. An int cell that does not parse is a hard error here with a
+/// clear field reference.
+fn apply_edits_to_doc(model: &DbModel, doc: &mut Value) -> Result<(), String> {
+    for t in &model.types {
+        for r in &t.rows {
+            if r.name != r.name_original {
+                if let Some(slot) = doc.pointer_mut(&r.name_ptr) {
+                    *slot = Value::String(r.name.clone());
+                }
+            }
+            for c in &r.cells {
+                if !c.is_changed() {
+                    continue;
+                }
+                let Some(slot) = doc.pointer_mut(&c.ptr) else {
+                    continue;
+                };
+                if c.is_string {
+                    *slot = Value::String(c.value.clone());
+                } else {
+                    let n: i64 = c.value.trim().parse().map_err(|_| {
+                        format!(
+                            "field {:?} in type {:?} row {} ({:?}): {:?} is not a whole number",
+                            c.field, t.name, r.id, r.name, c.value
+                        )
+                    })?;
+                    *slot = Value::Number(n.into());
+                }
+            }
+        }
+    }
+    Ok(())
+}
+
+/// Rebuild the full `database_to_json` document from the base `.project`+`.dat` and patch in the
+/// grid's edits. The doc is not kept resident, so this re-reads the base (deterministic, same
+/// structure as load) and applies the edits via their pointers. Returns the edited doc plus the base
+/// bytes, so [`save`] can apply onto the same bytes without a second read.
+fn edited_doc(model: &DbModel) -> Result<(Value, Vec<u8>, Vec<u8>), String> {
+    let base_proj = &model.project;
+    let base_dat = base_proj.with_extension("dat");
+    let pb = std::fs::read(base_proj)
+        .map_err(|e| format!("cannot read base {}: {e}", base_proj.display()))?;
+    let db_ = std::fs::read(&base_dat)
+        .map_err(|e| format!("cannot read base {}: {e}", base_dat.display()))?;
+    let db = Database::read(&pb, &db_).map_err(|e| format!("base parse failed: {e}"))?;
+    let glossary = wolf_decompiler::symbols::load_embedded_engine_glossary();
+    let json = database_to_json(&db, kind_for(base_proj), &glossary);
+    let mut doc: Value = serde_json::from_str(&json).map_err(|e| format!("invalid DB JSON: {e}"))?;
+    apply_edits_to_doc(model, &mut doc)?;
+    Ok((doc, pb, db_))
+}
+
+/// Apply an edits JSON onto a fresh base, verify the result re-parses, then write the `.project`+
+/// `.dat` pair (backing up existing halves first when asked). The shared tail of [`save`] and
+/// [`import_json`]. `base_pb`/`base_dat_bytes`, when supplied, are the already-read base bytes (save
+/// reuses them); pass `None` to read the base here (import).
+fn apply_and_write(
+    base_project: &Path,
+    edited_json: &str,
+    out_project: &Path,
+    backup: bool,
+    base_bytes: Option<(Vec<u8>, Vec<u8>)>,
+) -> Result<SaveOutcome, String> {
+    let base_dat = base_project.with_extension("dat");
+    let out_dat = out_project.with_extension("dat");
+    let (pb, db_) = match base_bytes {
+        Some(b) => b,
+        None => (
+            std::fs::read(base_project)
+                .map_err(|e| format!("cannot read base {}: {e}", base_project.display()))?,
+            std::fs::read(&base_dat)
+                .map_err(|e| format!("cannot read base {}: {e}", base_dat.display()))?,
+        ),
+    };
+    let mut db = Database::read(&pb, &db_).map_err(|e| format!("base parse failed: {e}"))?;
+    let changed =
+        apply_database_edit(edited_json, &mut db).map_err(|e| format!("apply failed: {e}"))?;
+
+    let (out_pb, out_db) = db.write();
+    // Re-parse the output to verify it still round-trips before committing it. Never ship a
+    // structurally-corrupt pair.
+    Database::read(&out_pb, &out_db)
+        .map_err(|e| format!("internal error: edited database no longer parses ({e})"))?;
+    let byte_identical = out_pb == pb && out_db == db_;
+
+    let mut backups = Vec::new();
+    if backup {
+        for half in [out_project, out_dat.as_path()] {
+            if half.exists() {
+                let bak = backup_path(half);
+                std::fs::copy(half, &bak)
+                    .map_err(|e| format!("backup failed ({}): {e}", bak.display()))?;
+                backups.push(bak);
+            }
+        }
+    }
+    if let Some(parent) = out_project.parent() {
+        if !parent.as_os_str().is_empty() {
+            let _ = std::fs::create_dir_all(parent);
+        }
+    }
+    if let (Err(e), _) | (_, Err(e)) = (
+        std::fs::write(out_project, &out_pb),
+        std::fs::write(&out_dat, &out_db),
+    ) {
+        return Err(format!("write failed: {e}"));
+    }
+    Ok(SaveOutcome {
+        changed,
+        byte_identical,
+        out_project: out_project.to_path_buf(),
+        out_dat,
+        backups,
+    })
+}
+
+/// Export the on-disk database as a pretty-printed `database_to_json` document for editing outside
+/// the GUI (re-import with [`import_json`]). Reads only the base path, so it runs on a worker without
+/// borrowing the live grid. Grid edits are NOT included here, so Save first to bake them in.
+pub fn export_json(base_project: &Path, out: &Path) -> Result<(), String> {
+    let base_dat = base_project.with_extension("dat");
+    let pb = std::fs::read(base_project)
+        .map_err(|e| format!("cannot read {}: {e}", base_project.display()))?;
+    let db_ = std::fs::read(&base_dat)
+        .map_err(|e| format!("cannot read {}: {e}", base_dat.display()))?;
+    let db = Database::read(&pb, &db_).map_err(|e| format!("database parse failed: {e}"))?;
+    let glossary = wolf_decompiler::symbols::load_embedded_engine_glossary();
+    let json = database_to_json(&db, kind_for(base_project), &glossary);
+    let doc: Value = serde_json::from_str(&json).map_err(|e| format!("invalid DB JSON: {e}"))?;
+    let pretty = serde_json::to_string_pretty(&doc).map_err(|e| e.to_string())?;
+    std::fs::write(out, pretty.as_bytes())
+        .map_err(|e| format!("cannot write {}: {e}", out.display()))?;
+    Ok(())
+}
+
+/// Import an edited `database_to_json` document (full or patch-style), apply it onto `base_project`'s
+/// pair, and write to `out_project`. The same verify-then-write guard as [`save`].
+pub fn import_json(
+    base_project: &Path,
+    json_path: &Path,
+    out_project: &Path,
+    backup: bool,
+) -> Result<SaveOutcome, String> {
+    let json = std::fs::read_to_string(json_path)
+        .map_err(|e| format!("cannot read {}: {e}", json_path.display()))?;
+    apply_and_write(base_project, &json, out_project, backup, None)
+}
+
+/// Where a backup goes for an in-place save of one half.
+fn backup_path(file: &Path) -> PathBuf {
+    let mut name = file.file_name().map(|s| s.to_os_string()).unwrap_or_default();
+    name.push(".bak");
+    file.with_file_name(name)
+}
+
+/// The outcome of a [`save`] run, for the log.
+pub struct SaveOutcome {
+    /// How many cells/names `apply_database_edit` actually changed.
+    pub changed: usize,
+    /// True when both output halves are byte-identical to the base (a no-op save, or edits that net
+    /// to the original values).
+    pub byte_identical: bool,
+    /// Where the `.project` was written.
+    pub out_project: PathBuf,
+    /// Where the `.dat` was written.
+    pub out_dat: PathBuf,
+    /// The backup paths made (`.project.bak`, `.dat.bak`), if any.
+    pub backups: Vec<PathBuf>,
+}
+
+/// Apply the grid's edits onto the base database and write the `.project`+`.dat` pair to
+/// `out_project` (+ its sibling `.dat`), mirroring the CLI's `db-apply`: patch the parsed doc with
+/// the edited leaves, [`apply_database_edit`] it onto a freshly-read base, **re-parse the
+/// [`Database::write`] output to verify it round-trips** before writing, and report the change count
+/// + byte-identity. When `backup` is set and an output half already exists, the original is copied to
+/// `<half>.bak` first.
+///
+/// Byte-exactness: `apply_database_edit` only rewrites cells whose value changed (it skips unchanged
+/// strings to dodge the empty-string / trailing-NUL re-encode ambiguity), so untouched data
+/// re-serializes verbatim and a no-change save reproduces both halves byte-for-byte.
+pub fn save(model: &DbModel, out_project: &Path, backup: bool) -> Result<SaveOutcome, String> {
+    let (doc, pb, db_) = edited_doc(model)?;
+    let edited_json = serde_json::to_string(&doc).map_err(|e| e.to_string())?;
+    apply_and_write(&model.project, &edited_json, out_project, backup, Some((pb, db_)))
+}
+
+#[cfg(test)]
+mod tests {
+    use super::*;
+
+    /// A unique temp dir for scratch output (never a game folder or the fixtures root).
+    fn tmp_dir(tag: &str) -> PathBuf {
+        let p = std::env::temp_dir().join(format!(
+            "wolfdawn_db_{tag}_{}_{}",
+            std::process::id(),
+            std::time::SystemTime::now()
+                .duration_since(std::time::UNIX_EPOCH)
+                .map(|d| d.as_nanos())
+                .unwrap_or(0)
+        ));
+        let _ = std::fs::create_dir_all(&p);
+        p
+    }
+
+    /// Resolve a fixture by its clean relative path under `WOLFDAWN_TEST_DATA`. Returns `None` when
+    /// the var is unset or the file is missing, so the data-dependent tests skip gracefully.
+    fn test_data(rel: &str) -> Option<PathBuf> {
+        let base = std::env::var_os("WOLFDAWN_TEST_DATA")?;
+        let p = std::path::Path::new(&base).join(rel);
+        p.exists().then_some(p)
+    }
+
+    /// The shared DB fixture (`.project` plus its `.dat` sibling); tests skip when it is absent.
+    fn fixture() -> Option<PathBuf> {
+        test_data("chamber/Data/BasicData/DataBase.project")
+            .filter(|p| p.with_extension("dat").exists())
+    }
+
+    /// Copy the `.project`+`.dat` pair into `dir`, returning the copied `.project` path.
+    fn copy_pair(src_proj: &Path, dir: &Path) -> PathBuf {
+        let stem = src_proj.file_name().unwrap();
+        let dst_proj = dir.join(stem);
+        let dst_dat = dst_proj.with_extension("dat");
+        std::fs::copy(src_proj, &dst_proj).expect("copy .project");
+        std::fs::copy(src_proj.with_extension("dat"), &dst_dat).expect("copy .dat");
+        dst_proj
+    }
+
+    /// Load a real DB, edit one cell's value, save to a temp output, reload from the output: the
+    /// edited cell shows the new value and an UNEDITED type/row is unchanged. Never touches the
+    /// fixtures root (reads the fixture, copies + writes only into a temp dir).
+    #[test]
+    fn load_edit_cell_save_reload_round_trip() {
+        let Some(src) = fixture() else {
+            eprintln!("skip load_edit_cell_save_reload_round_trip: no DB fixture present");
+            return;
+        };
+        let work = tmp_dir("rt");
+        let base = copy_pair(&src, &work);
+
+        let mut m = load(&base).expect("load");
+        assert!(!m.types.is_empty(), "DB should have at least one type");
+        assert!(m.total_rows() >= 1, "DB should have at least one data row");
+
+        // Find a type with at least one row that has at least one cell, and edit the first cell.
+        let (ti, ri, ci, new_value, is_string) = {
+            let mut found = None;
+            'outer: for (ti, t) in m.types.iter().enumerate() {
+                for (ri, r) in t.rows.iter().enumerate() {
+                    if !r.cells.is_empty() {
+                        found = Some((ti, ri));
+                        break 'outer;
+                    }
+                }
+            }
+            let (ti, ri) = found.expect("a type/row with at least one cell");
+            let cell = &m.types[ti].rows[ri].cells[0];
+            // For a string cell, append a marker. For an int cell, bump it by 1 (stays a valid int).
+            let new = if cell.is_string {
+                format!("{}_EDIT", cell.value)
+            } else {
+                let cur: i64 = cell.value.trim().parse().unwrap_or(0);
+                (cur + 1).to_string()
+            };
+            (ti, ri, 0usize, new, cell.is_string)
+        };
+        // Record an UNEDITED reference cell elsewhere (a different row, or a different type).
+        let reference = {
+            let mut chosen = None;
+            'r: for (oti, t) in m.types.iter().enumerate() {
+                for (ori, r) in t.rows.iter().enumerate() {
+                    if (oti, ori) != (ti, ri) && !r.cells.is_empty() {
+                        chosen = Some((oti, ori, r.cells[0].value.clone()));
+                        break 'r;
+                    }
+                }
+            }
+            chosen
+        };
+
+        m.types[ti].rows[ri].cells[ci].value = new_value.clone();
+        assert_eq!(m.changed_count(), 1, "exactly one cell changed");
+
+        let out = work.join("edited.project");
+        let outcome = save(&mut m, &out, false).expect("save");
+        assert_eq!(outcome.changed, 1, "apply should report one cell changed");
+        assert!(!outcome.byte_identical, "an edited save differs from base");
+        assert!(out.with_extension("dat").exists(), "the .dat half was written");
+
+        // Reload from the OUTPUT pair: the edited cell shows the new value.
+        let re = load(&out).expect("reload");
+        let got = &re.types[ti].rows[ri].cells[ci];
+        assert_eq!(got.value, new_value, "edited cell shows the new value");
+        assert_eq!(got.is_string, is_string, "cell kind preserved");
+
+        // The unedited reference cell is unchanged.
+        if let Some((oti, ori, orig)) = reference {
+            assert_eq!(
+                re.types[oti].rows[ori].cells[0].value, orig,
+                "an unedited cell must be unchanged after the round-trip"
+            );
+        }
+
+        let _ = std::fs::remove_dir_all(&work);
+    }
+
+    /// A no-change save is byte-exact: load -> save with no edits -> both output halves are
+    /// byte-identical to the inputs (lossless-pointer + db-apply's byte-exact pairing).
+    #[test]
+    fn no_change_save_is_byte_exact() {
+        let Some(src) = fixture() else {
+            eprintln!("skip no_change_save_is_byte_exact: no DB fixture present");
+            return;
+        };
+        let work = tmp_dir("noop");
+        let base = copy_pair(&src, &work);
+        let in_proj = std::fs::read(&base).unwrap();
+        let in_dat = std::fs::read(base.with_extension("dat")).unwrap();
+
+        let mut m = load(&base).expect("load");
+        assert_eq!(m.changed_count(), 0, "nothing edited yet");
+
+        let out = work.join("out.project");
+        let outcome = save(&mut m, &out, false).expect("save");
+        assert_eq!(outcome.changed, 0, "no cells changed");
+        assert!(outcome.byte_identical, "a no-change save must be byte-identical to base");
+        assert_eq!(std::fs::read(&out).unwrap(), in_proj, ".project is byte-identical");
+        assert_eq!(
+            std::fs::read(out.with_extension("dat")).unwrap(),
+            in_dat,
+            ".dat is byte-identical"
+        );
+
+        let _ = std::fs::remove_dir_all(&work);
+    }
+
+    /// In-place save with backups: both `.project.bak` and `.dat.bak` hold the original bytes.
+    #[test]
+    fn in_place_save_backs_up_both_halves() {
+        let Some(src) = fixture() else {
+            eprintln!("skip in_place_save_backs_up_both_halves: no DB fixture present");
+            return;
+        };
+        let work = tmp_dir("bak");
+        let base = copy_pair(&src, &work);
+        let orig_proj = std::fs::read(&base).unwrap();
+        let orig_dat = std::fs::read(base.with_extension("dat")).unwrap();
+
+        let mut m = load(&base).expect("load");
+        // Edit a row name so a save actually rewrites bytes.
+        let row = m
+            .types
+            .iter_mut()
+            .find(|t| !t.rows.is_empty())
+            .map(|t| &mut t.rows[0])
+            .expect("a row");
+        row.name = format!("{}_X", row.name);
+
+        let outcome = save(&mut m, &base, true).expect("save in place");
+        assert_eq!(outcome.backups.len(), 2, "both halves backed up");
+        assert_eq!(std::fs::read(&outcome.backups[0]).unwrap(), orig_proj);
+        assert_eq!(std::fs::read(&outcome.backups[1]).unwrap(), orig_dat);
+
+        let _ = std::fs::remove_dir_all(&work);
+    }
+}
diff --git a/util/wolfdawn-master/crates/wolf-gui/src/decompile.rs b/util/wolfdawn-master/crates/wolf-gui/src/decompile.rs
new file mode 100644
index 0000000..9927b19
--- /dev/null
+++ b/util/wolfdawn-master/crates/wolf-gui/src/decompile.rs
@@ -0,0 +1,379 @@
+//! The Decompile section's headless logic: turn a binary event file (a `.mps` map or
+//! `CommonEvent.dat`) into readable, editable WolfScript, then recompile the edited text back into a
+//! runnable file using the original as a *base* so every opaque byte is preserved.
+//!
+//! This mirrors the CLI's `decompile --mode edit` (`decompile_edit_path`) and `compile`
+//! (`cmd_compile`) exactly, calling the same `wolf_decompiler` library functions directly (no
+//! shelling out), so the GUI and CLI produce identical output:
+//!
+//!   * [`decompile_edit`] reads the input, parses it with the matching `wolf_formats` reader, builds
+//!     a symbol-aware table (CommonEvent + the three databases under the game's BasicData), and
+//!     renders the **edit** document (`decompile_*_edit_annotated`), the recompilable, bilingual
+//!     form `compile` consumes.
+//!   * [`compile_to`] re-reads the *base* file (the original input), applies the edited WolfScript
+//!     onto it (`compile_*_edit`), and writes the result. The base supplies all opaque metadata.
+//!     Only the command bodies are swapped in, so untouched code re-serializes byte-identical.
+//!
+//! Only code-bearing files (`.mps`, `CommonEvent.dat`) are supported. Anything else is rejected with
+//! a clear message, matching the CLI.
+
+use std::path::{Path, PathBuf};
+
+use wolf_decompiler::{
+    compile_common_events_edit, compile_map_edit, decompile_common_events_edit_annotated,
+    decompile_map_edit_annotated, SymbolTable,
+};
+use wolf_formats::common_event::CommonEventsFile;
+use wolf_formats::database::Database;
+use wolf_formats::map::Map;
+
+/// Which kind of code-bearing file we're working with. Decides the reader/decompiler/compiler
+/// pair, mirroring the CLI's `classify` (only the two code-bearing variants are relevant here).
+#[derive(Clone, Copy, PartialEq, Eq, Debug)]
+enum CodeKind {
+    Map,
+    CommonEvent,
+}
+
+/// Classify a path as a map / common-event, or `None` for anything decompile does not understand
+/// (a database, Game.dat, an unrelated file). Mirrors the relevant arms of the CLI's `classify`.
+fn classify(path: &Path) -> Option<CodeKind> {
+    let ext = path
+        .extension()
+        .and_then(|s| s.to_str())
+        .unwrap_or("")
+        .to_ascii_lowercase();
+    let name = path
+        .file_name()
+        .and_then(|s| s.to_str())
+        .unwrap_or("")
+        .to_ascii_lowercase();
+    match ext.as_str() {
+        "mps" => Some(CodeKind::Map),
+        "dat" if name == "commonevent.dat" => Some(CodeKind::CommonEvent),
+        _ => None,
+    }
+}
+
+/// True when `path` is a file decompile understands (a `.mps` map or `CommonEvent.dat`), so the UI
+/// can warn early on an unsupported pick. The action still runs and gives a clear error.
+pub fn is_supported(path: &Path) -> bool {
+    classify(path).is_some()
+}
+
+/// Load the three standard databases under `basic` into `symbols`, exactly like the CLI's
+/// `add_databases`. Skips any that are missing or fail to parse (symbols are best-effort labels).
+fn add_databases(symbols: &mut SymbolTable, basic: &Path) {
+    for (kind, stem) in [("UDB", "DataBase"), ("CDB", "CDataBase"), ("SDB", "SysDatabase")] {
+        let proj = basic.join(format!("{stem}.project"));
+        let dat = basic.join(format!("{stem}.dat"));
+        if let (Ok(p), Ok(d)) = (std::fs::read(&proj), std::fs::read(&dat)) {
+            if let Ok(db) = Database::read(&p, &d) {
+                symbols.add_database(kind, &db);
+            }
+        }
+    }
+}
+
+/// Build the symbol table for a map, locating the game's BasicData folder the same way the CLI's
+/// `load_symbols` does (`.../Data/MapData/X.mps` → `.../Data/BasicData`) and loading CommonEvent +
+/// the databases + the embedded glossaries. Best-effort: a missing BasicData just yields fewer labels.
+fn map_symbols(map_path: &Path) -> SymbolTable {
+    let mut symbols = SymbolTable::new();
+    let basic = map_path.parent().and_then(|p| p.parent()).map(|data| data.join("BasicData"));
+    let Some(basic) = basic else {
+        return symbols;
+    };
+    if let Ok(bytes) = std::fs::read(basic.join("CommonEvent.dat")) {
+        if let Ok(ce) = CommonEventsFile::read(&bytes) {
+            symbols.add_common_events(&ce);
+        }
+    }
+    add_databases(&mut symbols, &basic);
+    symbols.set_glossary(wolf_decompiler::symbols::load_embedded_glossary());
+    symbols.set_engine_text(wolf_decompiler::symbols::load_embedded_engine_glossary());
+    symbols
+}
+
+/// Build the symbol table for a CommonEvent.dat: its own events, plus the sibling databases in the
+/// same folder + the embedded glossaries (mirrors the CLI's `decompile_edit_path` CommonEvent arm).
+fn common_event_symbols(ce: &CommonEventsFile, ce_dir: Option<&Path>) -> SymbolTable {
+    let mut symbols = SymbolTable::new();
+    symbols.add_common_events(ce);
+    if let Some(dir) = ce_dir {
+        add_databases(&mut symbols, dir);
+    }
+    symbols.set_glossary(wolf_decompiler::symbols::load_embedded_glossary());
+    symbols.set_engine_text(wolf_decompiler::symbols::load_embedded_engine_glossary());
+    symbols
+}
+
+/// Decompile `input` to the **edit** WolfScript document (the recompilable, identity-delimited form
+/// `compile` consumes), exactly like the CLI's `decompile --mode edit`. Symbol-aware: each operand
+/// carries its index and a bilingual label, so the one file is both readable and recompilable.
+/// Returns the WolfScript text. Errors for an unsupported file or a parse failure.
+pub fn decompile_edit(input: &Path) -> Result<String, String> {
+    let bytes = std::fs::read(input).map_err(|e| format!("cannot read {}: {e}", input.display()))?;
+    match classify(input) {
+        Some(CodeKind::Map) => {
+            let map = Map::read(&bytes).map_err(|e| e.to_string())?;
+            Ok(decompile_map_edit_annotated(&map, &map_symbols(input)))
+        }
+        Some(CodeKind::CommonEvent) => {
+            let ce = CommonEventsFile::read(&bytes).map_err(|e| e.to_string())?;
+            let symbols = common_event_symbols(&ce, input.parent());
+            Ok(decompile_common_events_edit_annotated(&ce, &symbols))
+        }
+        None => Err(format!(
+            "{} is not a code-bearing file (decompile supports .mps maps and CommonEvent.dat)",
+            input.display()
+        )),
+    }
+}
+
+/// The outcome of a [`compile_to`] run, for the log: the bytes written, whether the result is
+/// byte-identical to the base (i.e. the code was untouched), and the output path.
+pub struct CompileOutcome {
+    pub out: PathBuf,
+    pub bytes: usize,
+    pub byte_identical: bool,
+}
+
+/// Compile the edited WolfScript `text` back into a runnable file, using `base` (the original input
+/// the text was decompiled from) as the base, and write the result to `output`. Mirrors the CLI's
+/// `cmd_compile`: the base supplies all opaque metadata, only the command bodies are swapped in, so
+/// with the code untouched the output is byte-identical to the base.
+///
+/// As a safety net (and what the GUI's round-trip test asserts), the freshly compiled bytes are
+/// re-parsed with the matching reader before the write is reported, so a structurally-corrupt result
+/// never lands on disk silently.
+pub fn compile_to(text: &str, base: &Path, output: &Path) -> Result<CompileOutcome, String> {
+    let base_bytes =
+        std::fs::read(base).map_err(|e| format!("cannot read base {}: {e}", base.display()))?;
+    let out_bytes = match classify(base) {
+        Some(CodeKind::CommonEvent) => {
+            let mut ce = CommonEventsFile::read(&base_bytes)
+                .map_err(|e| format!("base parse failed: {e}"))?;
+            compile_common_events_edit(text, &mut ce).map_err(|e| format!("compile failed: {e}"))?;
+            let out = ce.write();
+            // Re-parse before reporting: never ship a structurally-corrupt file.
+            CommonEventsFile::read(&out)
+                .map_err(|e| format!("internal error: compiled CommonEvent no longer parses ({e})"))?;
+            out
+        }
+        Some(CodeKind::Map) => {
+            let mut map = Map::read(&base_bytes).map_err(|e| format!("base parse failed: {e}"))?;
+            compile_map_edit(text, &mut map).map_err(|e| format!("compile failed: {e}"))?;
+            let out = map.write();
+            Map::read(&out)
+                .map_err(|e| format!("internal error: compiled map no longer parses ({e})"))?;
+            out
+        }
+        None => {
+            return Err(format!(
+                "base {} must be a .mps map or CommonEvent.dat",
+                base.display()
+            ))
+        }
+    };
+
+    let byte_identical = out_bytes == base_bytes;
+    std::fs::write(output, &out_bytes)
+        .map_err(|e| format!("cannot write {}: {e}", output.display()))?;
+    Ok(CompileOutcome {
+        out: output.to_path_buf(),
+        bytes: out_bytes.len(),
+        byte_identical,
+    })
+}
+
+/// One match of a find query in the editor text, as a half-open range of *character* indices
+/// `[start, end)` (not byte offsets). Character indices are what egui's `CCursor` wants, so the find
+/// bar can set the editor selection directly from these. Kept here (not in `app.rs`) so the
+/// match-finding logic is unit-testable without a UI.
+#[derive(Clone, Copy, PartialEq, Eq, Debug)]
+pub struct FindMatch {
+    /// Inclusive start, as a character index into the script.
+    pub start: usize,
+    /// Exclusive end, as a character index into the script.
+    pub end: usize,
+}
+
+/// Find every (non-overlapping) occurrence of `query` in `haystack`, returning each as a character
+/// range [`FindMatch`]. Empty when `query` is empty or has no match. When `case_sensitive` is false
+/// the comparison is ASCII-case-insensitive (lowercasing both sides). CJK text is unaffected by
+/// case folding, so the default insensitive mode is safe for the Japanese content this tool edits.
+///
+/// Matching is done on chars (not bytes), and the returned ranges are char indices, so they map
+/// straight onto egui's `CCursor`/selection model. Overlapping matches are skipped (search resumes
+/// after each hit), matching a typical "find next" stepping behaviour.
+pub fn find_matches(haystack: &str, query: &str, case_sensitive: bool) -> Vec<FindMatch> {
+    if query.is_empty() {
+        return Vec::new();
+    }
+    // Work on char vectors so the reported indices are char positions (what egui's CCursor uses),
+    // not byte offsets. Fold per char (1:1) so case-insensitive matching never shifts those indices.
+    let hay: Vec<char> = haystack.chars().map(|c| fold_char(c, case_sensitive)).collect();
+    let need: Vec<char> = query.chars().map(|c| fold_char(c, case_sensitive)).collect();
+
+    let mut out = Vec::new();
+    if need.len() > hay.len() {
+        return out;
+    }
+    let mut i = 0usize;
+    while i + need.len() <= hay.len() {
+        if hay[i..i + need.len()] == need[..] {
+            out.push(FindMatch { start: i, end: i + need.len() });
+            i += need.len(); // non-overlapping: resume after the match.
+        } else {
+            i += 1;
+        }
+    }
+    out
+}
+
+/// Case-fold one char without changing the char count (so character indices stay aligned with the
+/// original string). For Latin + CJK content this is exactly ASCII lowercasing. CJK is returned
+/// unchanged. Using a 1:1 fold keeps the [`find_matches`] ranges valid as `CCursor` char indices.
+fn fold_char(c: char, case_sensitive: bool) -> char {
+    if case_sensitive {
+        c
+    } else {
+        c.to_ascii_lowercase()
+    }
+}
+
+#[cfg(test)]
+mod tests {
+    use super::*;
+
+    /// `find_matches` returns the correct char ranges for ASCII, is case-insensitive by default,
+    /// honours a case-sensitive flag, handles non-overlapping repeats, and is char- (not byte-)
+    /// indexed across multi-byte (CJK) text.
+    #[test]
+    fn find_matches_ranges_are_correct() {
+        // Basic ASCII, case-insensitive (default).
+        let hay = "abc ABC abc";
+        let m = find_matches(hay, "abc", false);
+        assert_eq!(m.len(), 3, "three case-insensitive hits");
+        assert_eq!(m[0], FindMatch { start: 0, end: 3 });
+        assert_eq!(m[1], FindMatch { start: 4, end: 7 });
+        assert_eq!(m[2], FindMatch { start: 8, end: 11 });
+
+        // Case-sensitive: only the two lowercase runs.
+        let m = find_matches(hay, "abc", true);
+        assert_eq!(m.len(), 2, "two case-sensitive hits");
+        assert_eq!(m[0], FindMatch { start: 0, end: 3 });
+        assert_eq!(m[1], FindMatch { start: 8, end: 11 });
+
+        // Empty query → no matches.
+        assert!(find_matches(hay, "", false).is_empty());
+        // No match.
+        assert!(find_matches(hay, "zzz", false).is_empty());
+
+        // Non-overlapping: "aa" in "aaaa" → 2 matches (0..2, 2..4), not 3.
+        let m = find_matches("aaaa", "aa", false);
+        assert_eq!(m, vec![FindMatch { start: 0, end: 2 }, FindMatch { start: 2, end: 4 }]);
+
+        // Char-indexed across CJK: prefix is 2 multi-byte chars, so the match starts at char 2.
+        let hay = "あい行 X 行";
+        let m = find_matches(hay, "行", false);
+        assert_eq!(m.len(), 2, "two occurrences of 行");
+        assert_eq!(m[0], FindMatch { start: 2, end: 3 }, "char index, not byte offset");
+        // The second 行 is at char index 6 ("あ い 行 ␠ X ␠ 行").
+        assert_eq!(m[1], FindMatch { start: 6, end: 7 });
+    }
+
+
+    /// A unique temp dir for a test's scratch output (never under a game folder or the fixtures root).
+    fn tmp_dir(tag: &str) -> PathBuf {
+        let p = std::env::temp_dir().join(format!(
+            "wolfdawn_decompile_{tag}_{}_{}",
+            std::process::id(),
+            std::time::SystemTime::now()
+                .duration_since(std::time::UNIX_EPOCH)
+                .map(|d| d.as_nanos())
+                .unwrap_or(0)
+        ));
+        let _ = std::fs::create_dir_all(&p);
+        p
+    }
+
+    /// Resolve a fixture by its clean relative path under `WOLFDAWN_TEST_DATA`. Returns `None` when
+    /// the var is unset or the file is missing, so the data-dependent tests skip gracefully.
+    fn test_data(rel: &str) -> Option<PathBuf> {
+        let base = std::env::var_os("WOLFDAWN_TEST_DATA")?;
+        let p = std::path::Path::new(&base).join(rel);
+        p.exists().then_some(p)
+    }
+
+    /// The first present code-bearing fixture from the fixtures root (read-only). A map is
+    /// preferred (it exercises the BasicData symbol lookup), then CommonEvent.dat.
+    fn fixture() -> Option<PathBuf> {
+        [
+            "chamber/Data/MapData/TitleMap.mps",
+            "chamber/Data/BasicData/CommonEvent.dat",
+        ]
+        .into_iter()
+        .find_map(test_data)
+    }
+
+    /// Decompile a real file to WolfScript (non-empty), compile it back onto the original as base to
+    /// a temp output, and assert the result re-decompiles to the same text (semantic round-trip). For
+    /// an untouched document compile is byte-exact, so we also assert byte-identity to the base. Never
+    /// modifies the fixtures root. Reads the fixture, writes only into a temp dir.
+    #[test]
+    fn decompile_compile_round_trip() {
+        let Some(input) = fixture() else {
+            eprintln!("skip decompile_compile_round_trip: no code fixture present");
+            return;
+        };
+        assert!(is_supported(&input), "{input:?} should be supported");
+
+        let text = decompile_edit(&input).expect("decompile");
+        assert!(!text.is_empty(), "decompiled WolfScript should be non-empty");
+
+        let work = tmp_dir("rt");
+        // Keep the base's file name so the compiled output re-classifies (and re-decompiles) the
+        // same way (a `.mps` stays a map, `CommonEvent.dat` stays a common-event).
+        let out = work.join(input.file_name().expect("file name"));
+        let outcome = compile_to(&text, &input, &out).expect("compile");
+        assert!(out.exists(), "compiled output should be written");
+        assert!(outcome.bytes > 0, "output should be non-empty");
+
+        // Untouched code is byte-identical to base (the strong guarantee compile gives).
+        let base_bytes = std::fs::read(&input).expect("read base");
+        let out_bytes = std::fs::read(&out).expect("read out");
+        assert_eq!(out_bytes, base_bytes, "untouched compile must be byte-identical to base");
+        assert!(outcome.byte_identical, "outcome should report byte-identity");
+
+        // Semantic check: re-decompile the compiled output and compare to a decompile of the *base
+        // placed in the same temp dir*. Both share the same (BasicData-less) symbol context, so the
+        // bilingual operand labels match. Comparing against the original `text` (decompiled at the
+        // real location, where the databases resolve those labels) would differ only in those labels,
+        // and the compiler strips labels, so the bytes already proved equal above.
+        let base_here = work.join("base").join(input.file_name().unwrap());
+        std::fs::create_dir_all(base_here.parent().unwrap()).unwrap();
+        std::fs::copy(&input, &base_here).expect("copy base");
+        let baseline = decompile_edit(&base_here).expect("decompile base copy");
+        let re = decompile_edit(&out).expect("re-decompile");
+        assert_eq!(re, baseline, "re-decompiled WolfScript should match the base's own decompile");
+
+        let _ = std::fs::remove_dir_all(&work);
+    }
+
+    /// An unsupported file (e.g. a plain .txt) is rejected by both entry points, not panicked on.
+    #[test]
+    fn unsupported_file_is_rejected() {
+        let work = tmp_dir("unsup");
+        let f = work.join("notes.txt");
+        std::fs::write(&f, b"hello").unwrap();
+        assert!(!is_supported(&f));
+        assert!(decompile_edit(&f).is_err(), "txt should not decompile");
+        assert!(
+            compile_to("", &f, &work.join("out")).is_err(),
+            "txt base should not compile"
+        );
+        let _ = std::fs::remove_dir_all(&work);
+    }
+}
diff --git a/util/wolfdawn-master/crates/wolf-gui/src/gamedat.rs b/util/wolfdawn-master/crates/wolf-gui/src/gamedat.rs
new file mode 100644
index 0000000..0239f90
--- /dev/null
+++ b/util/wolfdawn-master/crates/wolf-gui/src/gamedat.rs
@@ -0,0 +1,376 @@
+//! The Game.dat section's data model and headless logic.
+//!
+//! A friendly form over *every* editable `Game.dat` string field, so a non-coder can change the
+//! window title or the editor font without touching JSON. This mirrors the CLI's `gamedat-json`
+//! (`dump_game_dat`) + `gamedat-apply` (`apply_game_dat`) pair, calling the same `wolf_decompiler`
+//! library functions directly (no shelling out), so the GUI and CLI agree on the field set and the
+//! byte-exact apply.
+//!
+//! The module owns everything except the egui rendering (which lives in `app.rs`), so the whole
+//! workflow can be exercised headlessly:
+//!
+//!   * [`load`] reads a `Game.dat` with [`GameDat::read`], dumps every editable field to JSON with
+//!     [`dump_game_dat`], and parses it into typed [`Field`]s. **Only the fields actually present**
+//!     for this file's `string_count` (no phantom keys), plus the read-only `encoding` badge.
+//!   * [`save`] builds a JSON object of *only the changed fields*, applies it with [`apply_game_dat`]
+//!     onto a freshly-read base, re-parses the [`GameDat::write`] output to verify it round-trips
+//!     (exactly as `cmd_gamedat_apply` does), and writes it, optionally backing up the original
+//!     first. Untouched fields re-serialize byte-exact (guaranteed by `apply_game_dat` + the
+//!     `GameDat::write` housekeeping anchor), so a no-change save reproduces the file byte-for-byte.
+
+use std::path::{Path, PathBuf};
+
+use serde_json::{Map, Value};
+use wolf_decompiler::{apply_game_dat, dump_game_dat};
+use wolf_formats::game_dat::GameDat;
+
+/// Which group a field belongs to, so the form can render sensible section headers.
+#[derive(Clone, Copy, PartialEq, Eq)]
+pub enum Group {
+    /// Window title + splash/title-screen messages.
+    Titles,
+    /// The editor font + fallback sub-fonts.
+    Fonts,
+    /// Image / graphic path fields.
+    Graphics,
+    /// The opaque trailing string.
+    Other,
+}
+
+/// One editable scalar field of a loaded Game.dat: its JSON key, an editable value (seeded from the
+/// original), the read-only original (for "changed?" detection), and which form group it belongs to.
+pub struct Field {
+    /// The JSON key (`"Title"`, `"Font"`, …), the same key `apply_game_dat` recognizes.
+    pub key: &'static str,
+    /// A friendly label for the form.
+    pub label: &'static str,
+    /// The editable value (starts equal to `original`).
+    pub value: String,
+    /// The value as loaded (read-only reference, for change detection).
+    pub original: String,
+    /// Which form section this field is shown under.
+    pub group: Group,
+}
+
+impl Field {
+    /// True when the user changed this field's value.
+    pub fn is_changed(&self) -> bool {
+        self.value != self.original
+    }
+}
+
+/// The loaded, editable view of a Game.dat: where it came from, the read-only encoding badge, the
+/// present scalar fields (in form order), and the present `SubFonts` (0..=3, as the file carries).
+pub struct LoadedGameDat {
+    /// The on-disk `Game.dat` this was loaded from (the [`save`] in-place target).
+    pub path: PathBuf,
+    /// The encoding badge (`"utf8"` / `"shiftjis"`), read-only.
+    pub encoding: String,
+    /// The present scalar fields, in display order.
+    pub fields: Vec<Field>,
+    /// The present sub-font values (editable), in order. Empty when the file carries none.
+    pub sub_fonts: Vec<SubFont>,
+}
+
+/// One editable sub-font slot (a `SubFonts` array entry).
+pub struct SubFont {
+    pub value: String,
+    pub original: String,
+}
+
+impl SubFont {
+    pub fn is_changed(&self) -> bool {
+        self.value != self.original
+    }
+}
+
+/// The form-order + group + label for each scalar key. Only keys actually present in the dumped JSON
+/// become [`Field`]s, so an absent optional never shows (and is never materialized on save).
+const SCALAR_FORM: &[(&str, &str, Group)] = &[
+    ("Title", "Title", Group::Titles),
+    ("TitlePlus", "Title plus", Group::Titles),
+    ("StartUpMsg", "Start-up message", Group::Titles),
+    ("TitleMsg", "Title message", Group::Titles),
+    ("Font", "Font", Group::Fonts),
+    ("DefaultPcGraphic", "Default PC graphic", Group::Graphics),
+    ("RoadImg", "Road image", Group::Graphics),
+    ("GaugeImg", "Gauge image", Group::Graphics),
+    ("UnknownString14", "Unknown string 14", Group::Other),
+];
+
+impl LoadedGameDat {
+    /// How many fields (scalars + sub-fonts) the user has changed.
+    pub fn changed_count(&self) -> usize {
+        self.fields.iter().filter(|f| f.is_changed()).count()
+            + self.sub_fonts.iter().filter(|s| s.is_changed()).count()
+    }
+
+    /// True when anything was edited (so the Save button can gate on it).
+    pub fn dirty(&self) -> bool {
+        self.changed_count() > 0
+    }
+
+    /// Build the minimal `apply_game_dat` JSON: an object holding only the *changed* fields (each
+    /// already proven present at load time, so `apply_game_dat` only edits existing cells). Including
+    /// just the changes keeps unchanged cells untouched, which is what makes a no-change save
+    /// byte-exact. `SubFonts` must be passed whole (the array is replaced atomically) whenever any
+    /// entry changed, so the unchanged entries carry their current value through.
+    fn edits_json(&self) -> String {
+        let mut obj = Map::new();
+        for f in &self.fields {
+            if f.is_changed() {
+                obj.insert(f.key.to_string(), Value::String(f.value.clone()));
+            }
+        }
+        if self.sub_fonts.iter().any(SubFont::is_changed) {
+            let arr: Vec<Value> =
+                self.sub_fonts.iter().map(|s| Value::String(s.value.clone())).collect();
+            obj.insert("SubFonts".to_string(), Value::Array(arr));
+        }
+        Value::Object(obj).to_string()
+    }
+}
+
+/// Read and parse a `Game.dat` into the editable form model, reusing [`GameDat::read`] +
+/// [`dump_game_dat`] (the CLI's `gamedat-json` path). Only the fields the file actually carries
+/// appear (the dump omits absent optionals). The `encoding` badge is read-only.
+pub fn load(path: &Path) -> Result<LoadedGameDat, String> {
+    let bytes = std::fs::read(path).map_err(|e| format!("cannot read {}: {e}", path.display()))?;
+    let gd = GameDat::read(&bytes).map_err(|e| format!("Game.dat parse failed: {e}"))?;
+    let json = dump_game_dat(&gd);
+    let root: Value = serde_json::from_str(&json).map_err(|e| format!("invalid dump JSON: {e}"))?;
+    let obj = root.as_object().ok_or("Game.dat dump must be a JSON object")?;
+
+    let encoding = obj
+        .get("encoding")
+        .and_then(Value::as_str)
+        .unwrap_or("utf8")
+        .to_string();
+
+    // Present scalars, in form order (skip any the dump omitted for this file's string_count).
+    let mut fields = Vec::new();
+    for (key, label, group) in SCALAR_FORM {
+        if let Some(v) = obj.get(*key).and_then(Value::as_str) {
+            fields.push(Field {
+                key,
+                label,
+                value: v.to_string(),
+                original: v.to_string(),
+                group: *group,
+            });
+        }
+    }
+
+    // SubFonts: a present array (0..=3 entries). Each becomes an editable slot.
+    let sub_fonts = obj
+        .get("SubFonts")
+        .and_then(Value::as_array)
+        .map(|arr| {
+            arr.iter()
+                .filter_map(Value::as_str)
+                .map(|s| SubFont { value: s.to_string(), original: s.to_string() })
+                .collect()
+        })
+        .unwrap_or_default();
+
+    Ok(LoadedGameDat {
+        path: path.to_path_buf(),
+        encoding,
+        fields,
+        sub_fonts,
+    })
+}
+
+/// Where a backup goes for an in-place save.
+fn backup_path(file: &Path) -> PathBuf {
+    let mut name = file.file_name().map(|s| s.to_os_string()).unwrap_or_default();
+    name.push(".bak");
+    file.with_file_name(name)
+}
+
+/// The outcome of a [`save`] run, for the log.
+pub struct SaveOutcome {
+    /// How many fields `apply_game_dat` actually changed.
+    pub changed: usize,
+    /// True when the output is byte-identical to the base (an unchanged save, or edits that net to
+    /// the original values).
+    pub byte_identical: bool,
+    /// Where the result was written.
+    pub out: PathBuf,
+    /// The backup path, if one was made.
+    pub backup: Option<PathBuf>,
+}
+
+/// Apply the form's edits onto the base `Game.dat` and write the result to `output`, mirroring the
+/// CLI's `gamedat-apply`: build a minimal JSON of the changed fields, [`apply_game_dat`] it onto a
+/// freshly-read base, **re-parse the [`GameDat::write`] output to verify it round-trips** before
+/// writing, and report the change count + byte-identity. When `backup` is set and the output already
+/// exists, the original is copied to `<output>.bak` first.
+///
+/// Byte-exactness: `apply_game_dat` only rewrites cells whose value changed and `GameDat::write`
+/// anchors its size/offset housekeeping on the read-time body size, so untouched fields re-serialize
+/// verbatim and a no-change save reproduces the base byte-for-byte.
+pub fn save(loaded: &LoadedGameDat, output: &Path, backup: bool) -> Result<SaveOutcome, String> {
+    // Always read the base fresh from disk (the load-time bytes), so the apply is onto a pristine
+    // base and the byte-identity check is honest.
+    let base_bytes = std::fs::read(&loaded.path)
+        .map_err(|e| format!("cannot read base {}: {e}", loaded.path.display()))?;
+    let mut gd = GameDat::read(&base_bytes).map_err(|e| format!("base parse failed: {e}"))?;
+
+    let edits = loaded.edits_json();
+    let changed = apply_game_dat(&mut gd, &edits).map_err(|e| format!("apply failed: {e}"))?;
+
+    let out_bytes = gd.write();
+    // Re-parse the output to verify it still round-trips before committing it to disk (the guard
+    // `cmd_gamedat_apply` runs).
+    GameDat::read(&out_bytes)
+        .map_err(|e| format!("internal error: edited Game.dat no longer parses ({e})"))?;
+    let byte_identical = out_bytes == base_bytes;
+
+    // Back up the original (only when overwriting an existing target).
+    let backup_made = if backup && output.exists() {
+        let bak = backup_path(output);
+        std::fs::copy(output, &bak)
+            .map_err(|e| format!("backup failed ({}): {e}", bak.display()))?;
+        Some(bak)
+    } else {
+        None
+    };
+
+    if let Some(parent) = output.parent() {
+        if !parent.as_os_str().is_empty() {
+            let _ = std::fs::create_dir_all(parent);
+        }
+    }
+    std::fs::write(output, &out_bytes)
+        .map_err(|e| format!("write failed ({}): {e}", output.display()))?;
+
+    Ok(SaveOutcome {
+        changed,
+        byte_identical,
+        out: output.to_path_buf(),
+        backup: backup_made,
+    })
+}
+
+#[cfg(test)]
+mod tests {
+    use super::*;
+
+    /// A unique temp dir for scratch output (never a game folder or the fixtures root).
+    fn tmp_dir(tag: &str) -> PathBuf {
+        let p = std::env::temp_dir().join(format!(
+            "wolfdawn_gamedat_{tag}_{}_{}",
+            std::process::id(),
+            std::time::SystemTime::now()
+                .duration_since(std::time::UNIX_EPOCH)
+                .map(|d| d.as_nanos())
+                .unwrap_or(0)
+        ));
+        let _ = std::fs::create_dir_all(&p);
+        p
+    }
+
+    /// Resolve a fixture by its clean relative path under `WOLFDAWN_TEST_DATA`. Returns `None` when
+    /// the var is unset or the file is missing, so the data-dependent tests skip gracefully.
+    fn test_data(rel: &str) -> Option<PathBuf> {
+        let base = std::env::var_os("WOLFDAWN_TEST_DATA")?;
+        let p = std::path::Path::new(&base).join(rel);
+        p.exists().then_some(p)
+    }
+
+    /// The first present Game.dat fixture from the fixtures root (read-only).
+    fn fixture() -> Option<PathBuf> {
+        ["chamber/Data/BasicData/Game.dat"]
+            .into_iter()
+            .find_map(test_data)
+    }
+
+    /// Helper: find a field by key in a loaded model.
+    fn field<'a>(g: &'a LoadedGameDat, key: &str) -> Option<&'a Field> {
+        g.fields.iter().find(|f| f.key == key)
+    }
+
+    /// Load a real Game.dat, change the Font field through this module's code, save to a temp output,
+    /// then reload. Font is the new value and Title etc. unchanged. Then a no-change save reproduces
+    /// the file byte-for-byte. Never touches the fixtures root (reads the fixture, writes only temp).
+    #[test]
+    fn load_edit_font_save_reload_round_trip() {
+        let Some(input) = fixture() else {
+            eprintln!("skip load_edit_font_save_reload_round_trip: no Game.dat fixture present");
+            return;
+        };
+        // Work on a COPY so the base path is in a temp dir (we never write into the fixtures root).
+        let work = tmp_dir("rt");
+        let copy = work.join("Game.dat");
+        std::fs::copy(&input, &copy).expect("copy fixture");
+
+        let mut g = load(&copy).expect("load");
+        assert!(field(&g, "Title").is_some(), "Title should always be present");
+        assert!(field(&g, "Font").is_some(), "Font should always be present");
+        let original_title = field(&g, "Title").unwrap().value.clone();
+        let original_font = field(&g, "Font").unwrap().value.clone();
+
+        // Change the Font field.
+        let new_font = format!("{original_font}_X");
+        g.fields.iter_mut().find(|f| f.key == "Font").unwrap().value = new_font.clone();
+        assert_eq!(g.changed_count(), 1, "exactly one field changed");
+
+        let out = work.join("edited.dat");
+        let outcome = save(&g, &out, false).expect("save");
+        assert_eq!(outcome.changed, 1, "apply should report one field changed");
+        assert!(!outcome.byte_identical, "an edited save differs from base");
+
+        // Reload the edited file: Font is the new value, Title unchanged.
+        let re = load(&out).expect("reload");
+        assert_eq!(field(&re, "Font").unwrap().value, new_font, "Font should be the new value");
+        assert_eq!(
+            field(&re, "Title").unwrap().value,
+            original_title,
+            "Title must be unchanged"
+        );
+        assert_eq!(re.encoding, g.encoding, "encoding preserved");
+
+        // A no-change save reproduces the (original) file byte-for-byte.
+        let pristine = load(&copy).expect("reload pristine");
+        let noop_out = work.join("noop.dat");
+        let noop = save(&pristine, &noop_out, false).expect("no-op save");
+        assert_eq!(noop.changed, 0, "no fields changed");
+        assert!(noop.byte_identical, "a no-change save must be byte-identical to base");
+        assert_eq!(
+            std::fs::read(&noop_out).unwrap(),
+            std::fs::read(&copy).unwrap(),
+            "no-op output equals the original bytes"
+        );
+
+        let _ = std::fs::remove_dir_all(&work);
+    }
+
+    /// In-place save with a backup writes a `.bak` holding the original bytes, then overwrites.
+    #[test]
+    fn in_place_save_backs_up_original() {
+        let Some(input) = fixture() else {
+            eprintln!("skip in_place_save_backs_up_original: no Game.dat fixture present");
+            return;
+        };
+        let work = tmp_dir("bak");
+        let copy = work.join("Game.dat");
+        std::fs::copy(&input, &copy).expect("copy fixture");
+        let original_bytes = std::fs::read(&copy).unwrap();
+
+        let mut g = load(&copy).expect("load");
+        let title = g.fields.iter_mut().find(|f| f.key == "Title").unwrap();
+        title.value = format!("{} [GUI]", title.value);
+
+        // Save in place (output == loaded.path) with backup ON.
+        let outcome = save(&g, &copy, true).expect("save in place");
+        assert!(outcome.backup.is_some(), "a backup should have been made");
+        let bak = outcome.backup.unwrap();
+        assert_eq!(std::fs::read(&bak).unwrap(), original_bytes, "backup holds the original bytes");
+        // The in-place file is now the edited one (reloads to the new title).
+        let re = load(&copy).expect("reload");
+        assert!(field(&re, "Title").unwrap().value.ends_with("[GUI]"), "title was rewritten");
+
+        let _ = std::fs::remove_dir_all(&work);
+    }
+}
diff --git a/util/wolfdawn-master/crates/wolf-gui/src/log.rs b/util/wolfdawn-master/crates/wolf-gui/src/log.rs
new file mode 100644
index 0000000..0b96b00
--- /dev/null
+++ b/util/wolfdawn-master/crates/wolf-gui/src/log.rs
@@ -0,0 +1,94 @@
+//! A bounded, colour-coded activity log shown in the bottom panel.
+//!
+//! It is a simple ring buffer of `(level, message)`: helpers `info`/`warn`/`error` append a line,
+//! the oldest lines are dropped past a cap so a long session never grows unbounded, and
+//! [`Log::show`] renders it bottom-anchored with auto-scroll. Background jobs feed it through the
+//! [`Reporter`](crate::task::Reporter). The UI thread feeds it directly.
+
+// `len`/`is_empty` are part of the log's public surface (and exercised by tests) but not called by
+// the Phase 0 bin itself. Allow them rather than gating on `cfg(test)`.
+#![allow(dead_code)]
+
+use egui::Color32;
+
+/// Severity of a log line, controlling its colour.
+#[derive(Clone, Copy, PartialEq, Eq, Debug)]
+pub enum Level {
+    Info,
+    Warn,
+    Error,
+}
+
+impl Level {
+    fn color(self) -> Color32 {
+        match self {
+            Level::Info => Color32::from_rgb(0xC8, 0xC8, 0xC8),
+            Level::Warn => Color32::from_rgb(0xE0, 0xB0, 0x40),
+            Level::Error => Color32::from_rgb(0xE0, 0x60, 0x60),
+        }
+    }
+}
+
+/// A scrolling activity log with a fixed line cap.
+pub struct Log {
+    lines: Vec<(Level, String)>,
+    cap: usize,
+}
+
+impl Default for Log {
+    fn default() -> Self {
+        Self {
+            lines: Vec::new(),
+            cap: 500,
+        }
+    }
+}
+
+impl Log {
+    pub fn new() -> Self {
+        Self::default()
+    }
+
+    /// Append a line at `level`, dropping the oldest if the cap is exceeded.
+    pub fn push(&mut self, level: Level, msg: impl Into<String>) {
+        self.lines.push((level, msg.into()));
+        if self.lines.len() > self.cap {
+            let overflow = self.lines.len() - self.cap;
+            self.lines.drain(0..overflow);
+        }
+    }
+
+    pub fn info(&mut self, msg: impl Into<String>) {
+        self.push(Level::Info, msg);
+    }
+
+    pub fn warn(&mut self, msg: impl Into<String>) {
+        self.push(Level::Warn, msg);
+    }
+
+    pub fn error(&mut self, msg: impl Into<String>) {
+        self.push(Level::Error, msg);
+    }
+
+    /// Number of buffered lines (used by tests).
+    pub fn len(&self) -> usize {
+        self.lines.len()
+    }
+
+    pub fn is_empty(&self) -> bool {
+        self.lines.is_empty()
+    }
+
+    /// Render the log into the current panel, scrolled to the newest line.
+    pub fn show(&self, ui: &mut egui::Ui) {
+        egui::ScrollArea::vertical()
+            .auto_shrink([false, false])
+            .stick_to_bottom(true)
+            .show(ui, |ui| {
+                ui.spacing_mut().item_spacing.y = 1.0;
+                for (level, msg) in &self.lines {
+                    ui.colored_label(level.color(), egui::RichText::new(msg).monospace());
+                }
+            });
+    }
+}
diff --git a/util/wolfdawn-master/crates/wolf-gui/src/main.rs b/util/wolfdawn-master/crates/wolf-gui/src/main.rs
new file mode 100644
index 0000000..b4d01bf
--- /dev/null
+++ b/util/wolfdawn-master/crates/wolf-gui/src/main.rs
@@ -0,0 +1,759 @@
+//! WolfDawn Studio. The desktop GUI front-end for the WolfDawn toolchain.
+//!
+//! Phase 0 ships the app shell (top/side/bottom/central panel layout), the Project section (which
+//! reads a real `Game.dat`), and the shared infrastructure every later section plugs into:
+//! background jobs with a progress bar, a colour-coded activity log, native file pickers, and the
+//! reusable labelled controls. The CLI is unchanged. This is purely additive.
+//!
+//! The workspace forbids `unsafe`. eframe/egui/rfd carry their own `unsafe` internally. None is
+//! written here.
+
+#![forbid(unsafe_code)]
+// On Windows, suppress the console window for a release GUI build. Debug builds keep the console
+// so `eprintln!`/panics are visible while developing.
+#![cfg_attr(all(windows, not(debug_assertions)), windows_subsystem = "windows")]
+
+// Use mimalloc so freed memory (after a large extract / decompile / DB load) is returned to the OS
+// instead of being held by the default allocator. No unsafe here: the attribute on a static is safe,
+// the GlobalAlloc impl lives in the dependency.
+#[global_allocator]
+static GLOBAL: mimalloc::MiMalloc = mimalloc::MiMalloc;
+
+mod app;
+mod archive;
+mod database;
+mod decompile;
+mod gamedat;
+mod log;
+mod project;
+mod saves;
+mod task;
+mod translation;
+mod verify;
+mod widgets;
+
+use app::WolfDawnApp;
+
+fn main() -> eframe::Result<()> {
+    let native_options = eframe::NativeOptions {
+        viewport: egui::ViewportBuilder::default()
+            .with_title("WolfDawn Studio")
+            .with_inner_size([1000.0, 680.0])
+            .with_min_inner_size([720.0, 480.0]),
+        ..Default::default()
+    };
+    eframe::run_native(
+        "WolfDawn Studio",
+        native_options,
+        Box::new(|cc| Ok(Box::new(WolfDawnApp::new(cc)))),
+    )
+}
+
+#[cfg(test)]
+mod tests {
+    use super::app::{Section, WolfDawnApp};
+    use super::project;
+    use std::path::{Path, PathBuf};
+
+    /// Resolve a fixture by its clean relative path under `WOLFDAWN_TEST_DATA`. Returns `None` when
+    /// the var is unset or the file/dir is missing, so the data-dependent gates skip gracefully.
+    fn test_data(rel: &str) -> Option<PathBuf> {
+        let base = std::env::var_os("WOLFDAWN_TEST_DATA")?;
+        let p = Path::new(&base).join(rel);
+        p.exists().then_some(p)
+    }
+
+    /// The first present fixture among `rels`, resolved under `WOLFDAWN_TEST_DATA`.
+    fn first_present(rels: &[&str]) -> Option<PathBuf> {
+        rels.iter().find_map(|r| test_data(r))
+    }
+
+    /// Drive `f` under a fresh headless egui context (no window/GPU), the way the test gates
+    /// exercise the UI. `ctx.run` calls the closure to build a frame. `FnMut` since egui may call
+    /// it more than once.
+    fn run_headless(f: impl FnMut(&egui::Context)) {
+        let ctx = egui::Context::default();
+        let _ = ctx.run(Default::default(), f);
+    }
+
+    /// Every `Section` must render without panicking under a headless context.
+    #[test]
+    fn every_section_renders() {
+        for section in Section::ALL {
+            let mut app = WolfDawnApp::default();
+            app.set_section(section);
+            run_headless(|ctx| {
+                egui::CentralPanel::default().show(ctx, |ui| {
+                    app.render_current_section(ui);
+                });
+            });
+        }
+    }
+
+    /// A full frame (all four panels, the same body `eframe::App::update` runs) must render for
+    /// every section without panicking.
+    #[test]
+    fn full_frame_runs_for_every_section() {
+        for section in Section::ALL {
+            let mut app = WolfDawnApp::default();
+            app.set_section(section);
+            // Two frames: the second exercises any state seeded on the first (e.g. the archive
+            // section defaulting its selection from the open project).
+            for _ in 0..2 {
+                run_headless(|ctx| app.render_frame(ctx));
+            }
+        }
+    }
+
+    /// The Translation section must render with a *loaded* model too (the grid, not just the empty
+    /// state). Builds the model through the section's own extract code, installs it, and drives a
+    /// full headless frame. Skips gracefully when the data fixture is absent.
+    #[test]
+    fn translation_section_renders_with_model() {
+        use super::translation;
+        let Some(dir) = test_data("chamber/Data") else {
+            eprintln!("skip translation_section_renders_with_model: fixture not present");
+            return;
+        };
+        if !dir.join("BasicData").join("CommonEvent.dat").exists() {
+            eprintln!("skip translation_section_renders_with_model: fixture not present");
+            return;
+        }
+        let outcome = translation::extract_model(&dir, |_, _| {}).expect("extract");
+        let mut app = WolfDawnApp::default();
+        app.set_section(Section::Translation);
+        app.set_translation_model(outcome.model);
+        // Two frames: the first lays out the grid, the second re-renders after any state settles.
+        for _ in 0..2 {
+            let ctx = egui::Context::default();
+            let _ = ctx.run(Default::default(), |ctx| app.render_frame(ctx));
+        }
+    }
+
+    /// The Saves section must render with a *loaded* save too (the editor + baked-string table, not
+    /// just the empty state). Inspects a COPY of a real save through the section's own code path,
+    /// installs it, and drives a full headless frame. Skips gracefully when no fixture is present.
+    #[test]
+    fn saves_section_renders_with_loaded_save() {
+        use super::saves;
+        let Some(fixture) =
+            first_present(&["chamber/SaveData01.sav", "pachimon/SaveData01.sav"])
+        else {
+            eprintln!("skip saves_section_renders_with_loaded_save: no save fixture present");
+            return;
+        };
+        // Inspect a COPY so the game folder is never touched.
+        let tmp = std::env::temp_dir().join(format!("wolfdawn_gui_saves_{}", std::process::id()));
+        let _ = std::fs::create_dir_all(&tmp);
+        let copy = tmp.join("SaveData01.sav");
+        std::fs::copy(fixture, &copy).expect("copy fixture");
+        let loaded = saves::inspect(&copy).expect("inspect");
+
+        let mut app = WolfDawnApp::default();
+        app.set_section(Section::Saves);
+        app.set_loaded_save(loaded);
+        for _ in 0..2 {
+            let ctx = egui::Context::default();
+            let _ = ctx.run(Default::default(), |ctx| app.render_frame(ctx));
+        }
+        let _ = std::fs::remove_dir_all(&tmp);
+    }
+
+    /// The Saves section's headless code path: inspect a real save (on a COPY), change the title +
+    /// one baked string, save it through the section logic, re-inspect from the written bytes, and
+    /// assert the title + string changed and the format is preserved. Never touches game folders.
+    #[test]
+    fn saves_inspect_edit_save_reinspect() {
+        use super::saves;
+        let Some(fixture) =
+            first_present(&["chamber/SaveData01.sav", "pachimon/SaveData01.sav"])
+        else {
+            eprintln!("skip saves_inspect_edit_save_reinspect: no save fixture present");
+            return;
+        };
+        let tmp = std::env::temp_dir().join(format!("wolfdawn_gui_rt_{}", std::process::id()));
+        let _ = std::fs::create_dir_all(&tmp);
+        let copy = tmp.join("SaveData01.sav");
+        std::fs::copy(fixture, &copy).expect("copy fixture");
+
+        let mut loaded = saves::inspect(&copy).expect("inspect");
+        assert!(loaded.editable(), "real save should be editable");
+        let fmt = loaded.format;
+        let new_title = format!("{} [UI]", loaded.original_title);
+        loaded.title = new_title.clone();
+        // Edit the first string that re-encodes in this save's encoding.
+        let utf8 = loaded.encoding == "utf8";
+        let mut marker = None;
+        for r in loaded.strings.iter_mut() {
+            if r.original.is_empty() {
+                continue;
+            }
+            let cand = format!("{} X", r.original);
+            let ok = utf8 || !encoding_rs::SHIFT_JIS.encode(&cand).2;
+            if ok {
+                r.edited = cand.clone();
+                marker = Some(cand);
+                break;
+            }
+        }
+
+        let stats = saves::save_changes(&loaded, true).expect("save");
+        assert!(stats.title_changed);
+        let re = saves::inspect(&copy).expect("re-inspect");
+        assert_eq!(re.format, fmt, "format preserved");
+        assert_eq!(re.title, new_title, "title changed");
+        if let Some(m) = marker {
+            assert!(re.strings.iter().any(|r| r.original == m), "string changed");
+        }
+        let _ = std::fs::remove_dir_all(&tmp);
+    }
+
+    /// The Decompile section must render with a *loaded* WolfScript document too (the code editor +
+    /// Compile controls, not just the empty state). Decompiles a real file through the section's own
+    /// code path, installs it, and drives a full headless frame. Skips when no code fixture.
+    #[test]
+    fn decompile_section_renders_with_script() {
+        use super::decompile;
+        let Some(input) = first_present(&[
+            "chamber/Data/MapData/TitleMap.mps",
+            "chamber/Data/BasicData/CommonEvent.dat",
+        ]) else {
+            eprintln!("skip decompile_section_renders_with_script: no code fixture present");
+            return;
+        };
+        let script = decompile::decompile_edit(&input).expect("decompile");
+        let mut app = WolfDawnApp::default();
+        app.set_section(Section::Decompile);
+        app.set_decompile_script(input.clone(), script);
+        for _ in 0..2 {
+            let ctx = egui::Context::default();
+            let _ = ctx.run(Default::default(), |ctx| app.render_frame(ctx));
+        }
+    }
+
+    /// The Decompile find bar (Ctrl+F) must render + run a query on a loaded script without
+    /// panicking: open the bar with a query that occurs in the decompiled WolfScript and drive a few
+    /// full headless frames (the find bar sets a selection + scrolls the editor). Skips when no
+    /// code fixture is present. This guards the find-bar UI path (selection store + scroll-to).
+    #[test]
+    fn decompile_find_bar_renders_with_query() {
+        use super::decompile;
+        let Some(input) = first_present(&[
+            "chamber/Data/MapData/TitleMap.mps",
+            "chamber/Data/BasicData/CommonEvent.dat",
+        ]) else {
+            eprintln!("skip decompile_find_bar_renders_with_query: no code fixture present");
+            return;
+        };
+        let script = decompile::decompile_edit(&input).expect("decompile");
+        // Pick a query that is guaranteed to occur (the first word of the script, else a common
+        // token). An empty match list is fine too. The bar must still render without panicking.
+        let query = script
+            .split_whitespace()
+            .next()
+            .map(|s| s.to_string())
+            .unwrap_or_else(|| "Event".to_string());
+
+        let mut app = WolfDawnApp::default();
+        app.set_section(Section::Decompile);
+        app.set_decompile_script(input.to_path_buf(), script);
+        app.open_decompile_find(&query);
+        // Several frames: open + jump-to-match, then re-render after the selection/scroll settles.
+        for _ in 0..3 {
+            let ctx = egui::Context::default();
+            let _ = ctx.run(Default::default(), |ctx| app.render_frame(ctx));
+        }
+    }
+
+    /// The Decompile section's headless code path: decompile a real map/common-event to WolfScript,
+    /// assert non-empty, compile it back onto the original base to a temp output, and assert the
+    /// re-decompiled text matches (and the untouched compile is byte-identical to the base). Never
+    /// modifies the fixtures root (reads the fixture, writes only into a temp dir).
+    #[test]
+    fn decompile_compile_round_trip_via_section() {
+        use super::decompile;
+        let Some(input) = first_present(&[
+            "chamber/Data/MapData/TitleMap.mps",
+            "chamber/Data/BasicData/CommonEvent.dat",
+        ]) else {
+            eprintln!("skip decompile_compile_round_trip_via_section: no code fixture present");
+            return;
+        };
+        let input = input.as_path();
+        let text = decompile::decompile_edit(input).expect("decompile");
+        assert!(!text.is_empty(), "WolfScript should be non-empty");
+
+        let tmp = std::env::temp_dir().join(format!("wolfdawn_gui_dec_{}", std::process::id()));
+        let _ = std::fs::create_dir_all(&tmp);
+        // Keep the base's file name so the compiled output re-classifies the same way.
+        let out = tmp.join(input.file_name().expect("file name"));
+        let outcome = decompile::compile_to(&text, input, &out).expect("compile");
+        assert!(out.exists() && outcome.bytes > 0, "compiled output should be written");
+        assert!(outcome.byte_identical, "untouched compile is byte-identical to base");
+        // Compare the re-decompile against a decompile of the base placed in the same temp dir, so
+        // both share the same (BasicData-less) symbol context (the operand labels match). The
+        // byte-identity above is the strong guarantee, the labels are stripped by the compiler.
+        let base_here = tmp.join("base").join(input.file_name().unwrap());
+        std::fs::create_dir_all(base_here.parent().unwrap()).unwrap();
+        std::fs::copy(input, &base_here).expect("copy base");
+        let baseline = decompile::decompile_edit(&base_here).expect("decompile base copy");
+        let re = decompile::decompile_edit(&out).expect("re-decompile");
+        assert_eq!(re, baseline, "re-decompiled WolfScript should match the base's own decompile");
+        let _ = std::fs::remove_dir_all(&tmp);
+    }
+
+    /// The Game.dat section must render with a *loaded* model too (the field form, not just the empty
+    /// state). Loads a real Game.dat (on a COPY) through the section's own code path, installs it, and
+    /// drives a full headless frame. Skips gracefully when the Game.dat fixture is absent.
+    #[test]
+    fn gamedat_section_renders_with_loaded() {
+        use super::gamedat;
+        let Some(fixture) = first_present(&["chamber/Data/BasicData/Game.dat"]) else {
+            eprintln!("skip gamedat_section_renders_with_loaded: no Game.dat fixture present");
+            return;
+        };
+        let tmp = std::env::temp_dir().join(format!("wolfdawn_gui_gd_{}", std::process::id()));
+        let _ = std::fs::create_dir_all(&tmp);
+        let copy = tmp.join("Game.dat");
+        std::fs::copy(fixture, &copy).expect("copy fixture");
+        let loaded = gamedat::load(&copy).expect("load");
+
+        let mut app = WolfDawnApp::default();
+        app.set_section(Section::GameDat);
+        app.set_gamedat_loaded(loaded);
+        for _ in 0..2 {
+            let ctx = egui::Context::default();
+            let _ = ctx.run(Default::default(), |ctx| app.render_frame(ctx));
+        }
+        let _ = std::fs::remove_dir_all(&tmp);
+    }
+
+    /// The Game.dat section's headless code path: load a real Game.dat (on a COPY), change Font, save
+    /// to a temp output, then reload. Font is new and Title unchanged. A no-change save is byte-exact.
+    #[test]
+    fn gamedat_edit_font_round_trip_via_section() {
+        use super::gamedat;
+        let Some(fixture) = first_present(&["chamber/Data/BasicData/Game.dat"]) else {
+            eprintln!("skip gamedat_edit_font_round_trip_via_section: no Game.dat fixture present");
+            return;
+        };
+        let tmp = std::env::temp_dir().join(format!("wolfdawn_gui_gdrt_{}", std::process::id()));
+        let _ = std::fs::create_dir_all(&tmp);
+        let copy = tmp.join("Game.dat");
+        std::fs::copy(fixture, &copy).expect("copy fixture");
+
+        let mut g = gamedat::load(&copy).expect("load");
+        let title = g.fields.iter().find(|f| f.key == "Title").map(|f| f.value.clone());
+        let font = g.fields.iter().find(|f| f.key == "Font").expect("Font present").value.clone();
+        let new_font = format!("{font}_X");
+        g.fields.iter_mut().find(|f| f.key == "Font").unwrap().value = new_font.clone();
+
+        let out = tmp.join("edited.dat");
+        let outcome = gamedat::save(&g, &out, false).expect("save");
+        assert_eq!(outcome.changed, 1, "one field changed");
+        let re = gamedat::load(&out).expect("reload");
+        assert_eq!(
+            re.fields.iter().find(|f| f.key == "Font").unwrap().value,
+            new_font,
+            "Font is the new value"
+        );
+        assert_eq!(
+            re.fields.iter().find(|f| f.key == "Title").map(|f| f.value.clone()),
+            title,
+            "Title unchanged"
+        );
+
+        // No-change save reproduces the original byte-for-byte.
+        let pristine = gamedat::load(&copy).expect("reload pristine");
+        let noop = tmp.join("noop.dat");
+        let n = gamedat::save(&pristine, &noop, false).expect("no-op save");
+        assert!(n.byte_identical, "no-change save is byte-identical");
+        assert_eq!(std::fs::read(&noop).unwrap(), std::fs::read(&copy).unwrap());
+        let _ = std::fs::remove_dir_all(&tmp);
+    }
+
+    /// The Database section must render with a *loaded* model too (the type selector + editable grid,
+    /// not just the empty state). Loads a real DB (on a COPY of the .project+.dat pair) through the
+    /// section's own code path, installs it, and drives a full headless frame. Skips when absent.
+    #[test]
+    fn database_section_renders_with_loaded() {
+        use super::database;
+        let Some(src) = test_data("chamber/Data/BasicData/DataBase.project")
+            .filter(|p| p.with_extension("dat").exists())
+        else {
+            eprintln!("skip database_section_renders_with_loaded: no database fixture present");
+            return;
+        };
+        let tmp = std::env::temp_dir().join(format!("wolfdawn_gui_db_{}", std::process::id()));
+        let _ = std::fs::create_dir_all(&tmp);
+        let proj = tmp.join("DataBase.project");
+        std::fs::copy(&src, &proj).expect("copy .project");
+        std::fs::copy(src.with_extension("dat"), proj.with_extension("dat")).expect("copy .dat");
+        let loaded = database::load(&proj).expect("load");
+
+        let mut app = WolfDawnApp::default();
+        app.set_section(Section::Database);
+        app.set_database_loaded(loaded);
+        for _ in 0..2 {
+            let ctx = egui::Context::default();
+            let _ = ctx.run(Default::default(), |ctx| app.render_frame(ctx));
+        }
+        let _ = std::fs::remove_dir_all(&tmp);
+    }
+
+    /// Unpack the Chamber fixture's Data.wolf (if present) through the Archive section's own code path
+    /// into a temp dir, and assert the data files appear. Never touches the game folder. Skips when
+    /// the archive is absent.
+    #[test]
+    fn archive_unpack_data_wolf() {
+        use super::archive;
+        let Some(arc) = test_data("chamber/Data.wolf") else {
+            eprintln!("skip archive_unpack_data_wolf: archive fixture not present");
+            return;
+        };
+        let out = std::env::temp_dir().join(format!("wolfdawn_gui_unpack_{}", std::process::id()));
+        let _ = std::fs::create_dir_all(&out);
+        let outcome = archive::unpack(&arc, &out, |_, _| {}).expect("unpack");
+        assert!(outcome.written > 0, "files should be written");
+        assert!(
+            out.join("BasicData/CommonEvent.dat").exists(),
+            "BasicData/CommonEvent.dat should be unpacked"
+        );
+        let _ = std::fs::remove_dir_all(&out);
+    }
+
+    /// Repack round-trip through the Archive section: pack a small temp folder (copies of a couple
+    /// fixture data files) to a temp .wolf, unpack it, and confirm the files + content come back.
+    /// Never modifies the fixtures root (read-only copies + temp dirs).
+    #[test]
+    fn archive_repack_round_trip() {
+        use super::archive;
+        let present: Vec<PathBuf> = [
+            "chamber/Data/BasicData/Game.dat",
+            "chamber/Data/BasicData/CommonEvent.dat",
+        ]
+        .iter()
+        .filter_map(|r| test_data(r))
+        .collect();
+        if present.is_empty() {
+            eprintln!("skip archive_repack_round_trip: no data fixtures present");
+            return;
+        }
+        let base = std::env::temp_dir().join(format!("wolfdawn_gui_repack_{}", std::process::id()));
+        let src = base.join("src");
+        let _ = std::fs::create_dir_all(src.join("BasicData"));
+        let mut expect: Vec<(String, Vec<u8>)> = Vec::new();
+        for p in &present {
+            let name = p.file_name().unwrap().to_string_lossy().to_string();
+            std::fs::copy(p, src.join("BasicData").join(&name)).expect("copy");
+            expect.push((format!("BasicData/{name}"), std::fs::read(p).expect("read")));
+        }
+
+        let out_wolf = base.join("Data.wolf");
+        let outcome =
+            archive::repack(&src, &out_wolf, &archive::PackOptions::default(), |_, _| {}).expect("repack");
+        assert!(outcome.files >= 1 && outcome.bytes > 0, "should pack a non-empty archive");
+
+        let back = base.join("back");
+        archive::unpack(&out_wolf, &back, |_, _| {}).expect("unpack repacked");
+        for (rel, bytes) in &expect {
+            let got = back.join(rel);
+            assert!(got.exists(), "{rel} should round-trip");
+            assert_eq!(&std::fs::read(&got).expect("read back"), bytes, "{rel} content matches");
+        }
+        let _ = std::fs::remove_dir_all(&base);
+    }
+
+    /// The Verify section's single-file path: a known-good plaintext data file from the fixtures must
+    /// verify PASS. Read-only. Skips when absent.
+    #[test]
+    fn verify_single_known_good() {
+        use super::verify;
+        let Some(path) = first_present(&[
+            "chamber/Data/MapData/TitleMap.mps",
+            "chamber/Data/BasicData/Game.dat",
+            "chamber/Data/BasicData/CommonEvent.dat",
+        ]) else {
+            eprintln!("skip verify_single_known_good: no data fixture present");
+            return;
+        };
+        let verdict = verify::verify_file(&path);
+        assert!(
+            verdict.is_pass(),
+            "{} should PASS, got {}: {}",
+            path.display(),
+            verdict.tag(),
+            verdict.detail()
+        );
+    }
+
+    /// Opening a known game dir populates the project's Game.dat facts. Skips gracefully when the
+    /// fixture is absent (CI without the data corpus).
+    #[test]
+    fn opens_known_game_dir() {
+        let Some(dir) = test_data("chamber/Data") else {
+            eprintln!("skip opens_known_game_dir: fixture not present");
+            return;
+        };
+        if !dir.join("BasicData").join("Game.dat").exists() {
+            eprintln!("skip opens_known_game_dir: fixture {dir:?} not present");
+            return;
+        }
+        let outcome = project::open_project(&dir);
+        let p = outcome.project;
+        assert!(p.game_dat_ok, "Game.dat should have parsed for the fixture");
+        assert!(p.game_dat.is_some(), "Game.dat path should be recorded");
+        assert!(!p.title.is_empty(), "a title should have been decoded");
+        // The fixture's BasicData is the data dir. It must have been located.
+        assert!(p.data_dir.is_some(), "the data dir should have been located");
+    }
+
+    /// Opening a path with no Game.dat is non-fatal: the project still opens, flagged not-ok.
+    #[test]
+    fn open_missing_game_dat_is_non_fatal() {
+        let tmp = std::env::temp_dir().join(format!("wolfdawn_gui_test_{}", std::process::id()));
+        let _ = std::fs::create_dir_all(&tmp);
+        let outcome = project::open_project(&tmp);
+        assert!(!outcome.project.game_dat_ok);
+        assert!(outcome.notes.iter().any(|(_, m)| m.contains("Game.dat")));
+        let _ = std::fs::remove_dir_all(&tmp);
+    }
+
+    /// A unique temp game dir for the index tests, with the minimal layout the scan looks at:
+    /// `BasicData/CommonEvent.dat`, `BasicData/DataBase.project`, `MapData/X.mps`, and a
+    /// `Save/SaveData01.sav`. The files are fabricated (rescan only *lists* by name/extension, it
+    /// never parses), so this never touches real game folders or the fixtures root.
+    fn make_temp_game(tag: &str) -> std::path::PathBuf {
+        let root = std::env::temp_dir()
+            .join(format!("wolfdawn_gui_idx_{tag}_{}", std::process::id()));
+        let _ = std::fs::remove_dir_all(&root);
+        let data = root.join("Data");
+        std::fs::create_dir_all(data.join("BasicData")).expect("mk BasicData");
+        std::fs::create_dir_all(data.join("MapData")).expect("mk MapData");
+        std::fs::create_dir_all(root.join("Save")).expect("mk Save");
+        std::fs::write(data.join("BasicData").join("CommonEvent.dat"), b"x").expect("CommonEvent");
+        std::fs::write(data.join("BasicData").join("DataBase.project"), b"x").expect("project");
+        std::fs::write(data.join("BasicData").join("DataBase.dat"), b"x").expect("project .dat");
+        std::fs::write(data.join("MapData").join("MapA.mps"), b"x").expect("MapA");
+        std::fs::write(root.join("Save").join("SaveData01.sav"), b"x").expect("save");
+        root
+    }
+
+    /// Opening a fabricated game dir populates the scanned index (code files / databases / saves),
+    /// and a later `rescan()` after a NEW .mps is added returns `true` and lists the new file.
+    #[test]
+    fn project_index_and_rescan_detects_new_file() {
+        let root = make_temp_game("rescan");
+
+        let mut p = project::open_project(&root).project;
+        // CommonEvent.dat + MapA.mps = 2 code files, one .project, one save.
+        assert!(
+            p.code_files.iter().any(|f| f.ends_with("MapData/MapA.mps")),
+            "MapA.mps should be indexed; got {:?}",
+            p.code_files
+        );
+        assert!(
+            p.code_files.iter().any(|f| f.ends_with("BasicData/CommonEvent.dat")),
+            "CommonEvent.dat should be indexed"
+        );
+        assert_eq!(p.databases.len(), 1, "one database .project indexed");
+        assert_eq!(p.saves.len(), 1, "one save indexed");
+        assert!(p.save_dir.is_some(), "the Save/ dir should be recorded");
+
+        // A no-op rescan reports no change.
+        assert!(!p.rescan(), "rescan with no fs change returns false");
+
+        // Add a second map, then rescan returns true and the new map appears.
+        let new_map = root.join("Data").join("MapData").join("MapB.mps");
+        std::fs::write(&new_map, b"x").expect("write MapB");
+        assert!(p.rescan(), "rescan after adding a .mps returns true");
+        assert!(
+            p.code_files.iter().any(|f| f.ends_with("MapData/MapB.mps")),
+            "the newly-added MapB.mps should now be indexed; got {:?}",
+            p.code_files
+        );
+
+        let _ = std::fs::remove_dir_all(&root);
+    }
+
+    /// The persisted `Settings` payload round-trips through serde unchanged (covers the eframe
+    /// storage value), for both a non-default and the default configuration.
+    #[test]
+    fn settings_serde_round_trip() {
+        use super::app::Settings;
+        let custom = Settings {
+            dark_mode: false,
+            default_en_punct: true,
+            default_allow_code_drift: true,
+            default_backup: false,
+            auto_detect: false,
+        };
+        let json = serde_json::to_string(&custom).expect("serialize");
+        let back: Settings = serde_json::from_str(&json).expect("deserialize");
+        assert_eq!(custom, back, "custom settings round-trip equal");
+
+        let def = Settings::default();
+        let json = serde_json::to_string(&def).expect("serialize default");
+        let back: Settings = serde_json::from_str(&json).expect("deserialize default");
+        assert_eq!(def, back, "default settings round-trip equal");
+    }
+
+    /// The Settings section must render in a full headless frame with a project loaded (so the
+    /// per-section dropdowns also render), without panicking. Uses a fabricated temp game dir.
+    #[test]
+    fn settings_section_renders_with_project() {
+        let root = make_temp_game("render");
+        let project = project::open_project(&root).project;
+
+        let mut app = WolfDawnApp::default();
+        app.set_project(project);
+        // Render the Settings section, then walk a couple sections that show dropdowns, each over
+        // two frames so any first-frame state settles.
+        for section in [Section::Settings, Section::Decompile, Section::Database, Section::Saves] {
+            app.set_section(section);
+            for _ in 0..2 {
+                let ctx = egui::Context::default();
+                let _ = ctx.run(Default::default(), |ctx| app.render_frame(ctx));
+            }
+        }
+        let _ = std::fs::remove_dir_all(&root);
+    }
+
+    // ------------------------------------------------------------------------------------------
+    // No-emoji guard: the GUI must render its glyphs on ANY system, including ones without an OS
+    // emoji font. egui's bundled fonts (and the optional CJK fallback) cover Latin, the Geometric
+    // Shapes / Arrows blocks, and CJK, but NOT the Unicode emoji / pictograph blocks, which show
+    // as tofu (□) without an emoji font. These two tests keep the UI free of those pictographs.
+    // ------------------------------------------------------------------------------------------
+
+    /// The safe non-ASCII glyphs the UI uses in string/char literals: ASCII/Latin-1
+    /// punctuation, Geometric Shapes (U+25A0..U+25FF), and Arrows (U+2190..U+21FF). Anything else
+    /// non-ASCII in a literal must be CJK-range (Japanese sample/help text). A stray emoji is caught.
+    const SAFE_GLYPHS: &[char] = &[
+        '×', // U+00D7 multiplication sign, the clear/close button
+        '·', // U+00B7 middle dot, separators
+        '—', // U+2014 em dash, captions/log separators
+        '…', // U+2026 horizontal ellipsis, "Browse…", "Open…"
+        '→', // U+2192 rightwards arrow, "src → dst" log lines
+        '←', // U+2190 leftwards arrow, "Import DB ← file" log lines
+        '▶', // U+25B6 black right-pointing triangle, action buttons / log start marker
+        '◀', // U+25C0 black left-pointing triangle, find "Prev"
+        '●', // U+25CF black circle, the Database "edited" marker
+    ];
+
+    /// Every `.rs` file under `src/`, as (path, contents).
+    fn gui_source_files() -> Vec<(std::path::PathBuf, String)> {
+        let src = Path::new(env!("CARGO_MANIFEST_DIR")).join("src");
+        let mut out = Vec::new();
+        for entry in std::fs::read_dir(&src).expect("read src dir") {
+            let path = entry.expect("dir entry").path();
+            if path.extension().and_then(|e| e.to_str()) == Some("rs") {
+                let text = std::fs::read_to_string(&path).expect("read source");
+                out.push((path, text));
+            }
+        }
+        assert!(!out.is_empty(), "found no .rs files under {}", src.display());
+        out
+    }
+
+    /// True for a codepoint in the Unicode emoji / pictograph blocks we must never ship: everything
+    /// at/above U+1F000 (Mahjong/Domino/Playing-cards through Symbols & Pictographs Extended-A).
+    fn is_emoji_pictograph(c: char) -> bool {
+        c as u32 >= 0x1F000
+    }
+
+    /// A codepoint that the always-loaded CJK fallback font covers (so it renders, not tofu): the
+    /// main CJK/kana blocks plus CJK Symbols & Punctuation and the Fullwidth/Halfwidth Forms used in
+    /// Japanese help text (e.g. 「」、。～). Conservative but ample for the tool's sample strings.
+    fn is_cjk(c: char) -> bool {
+        let u = c as u32;
+        (0x3000..=0x30FF).contains(&u)   // CJK Symbols/Punctuation + Hiragana + Katakana
+            || (0x3400..=0x4DBF).contains(&u) // CJK Ext A
+            || (0x4E00..=0x9FFF).contains(&u) // CJK Unified Ideographs
+            || (0xFF00..=0xFFEF).contains(&u) // Halfwidth/Fullwidth Forms
+    }
+
+    /// HARD GATE: no emoji-pictograph codepoint (>= U+1F000) may appear ANYWHERE in the GUI source.
+    /// Not in strings, not even in comments (there should be none). This makes it impossible to ship
+    /// a pictograph that could tofu on a user's machine.
+    #[test]
+    fn no_emoji_pictographs_in_source() {
+        let mut offenders: Vec<String> = Vec::new();
+        for (path, text) in gui_source_files() {
+            for (lineno, line) in text.lines().enumerate() {
+                for c in line.chars() {
+                    if is_emoji_pictograph(c) {
+                        offenders.push(format!(
+                            "{}:{}: U+{:04X} {:?}",
+                            path.file_name().unwrap().to_string_lossy(),
+                            lineno + 1,
+                            c as u32,
+                            c
+                        ));
+                    }
+                }
+            }
+        }
+        assert!(
+            offenders.is_empty(),
+            "found emoji pictograph(s) (>=U+1F000) in GUI source — these tofu on systems without an \
+             emoji font; replace with text or a Geometric/Arrow glyph:\n{}",
+            offenders.join("\n")
+        );
+    }
+
+    /// Strip Rust line comments (`//` and doc `///`) from `src`, returning code + string/char
+    /// literals only. The GUI source uses line comments exclusively (no `/* */` blocks), and no
+    /// string literal contains a `//` sequence, so truncating each line at its first `//` is exact
+    /// here. That is more robust than a hand lexer (no lifetime / raw-string / char-literal edge
+    /// cases). This keeps benign non-ASCII that lives ONLY in comments (e.g. the tofu glyph □, the
+    /// ␠ space marker, a ▼ doc example) from being mistaken for a UI glyph.
+    fn strip_comments(src: &str) -> String {
+        let mut out = String::with_capacity(src.len());
+        for line in src.lines() {
+            let code = match line.find("//") {
+                Some(idx) => &line[..idx],
+                None => line,
+            };
+            out.push_str(code);
+            out.push('\n');
+        }
+        out
+    }
+
+    /// ALLOW-LIST GATE: every non-ASCII glyph that survives comment-stripping (i.e. lives in code or
+    /// in a string/char literal) must be either CJK-range (Japanese sample/help text the CJK font
+    /// covers) or on the [`SAFE_GLYPHS`] list (Latin-1 punctuation + Geometric/Arrow glyphs the
+    /// bundled fonts cover). This catches a future stray dingbat (e.g. ✔ ✖ ⚠ ★) even though it sits
+    /// below U+1F000 and so escapes the hard pictograph gate above.
+    #[test]
+    fn non_ascii_ui_glyphs_are_safe_or_cjk() {
+        let mut offenders: Vec<String> = Vec::new();
+        for (path, text) in gui_source_files() {
+            let code = strip_comments(&text);
+            for c in code.chars() {
+                if (c as u32) <= 0x7F || c.is_whitespace() {
+                    continue;
+                }
+                if SAFE_GLYPHS.contains(&c) || is_cjk(c) {
+                    continue;
+                }
+                offenders.push(format!(
+                    "{}: U+{:04X} {:?}",
+                    path.file_name().unwrap().to_string_lossy(),
+                    c as u32,
+                    c
+                ));
+            }
+        }
+        offenders.sort();
+        offenders.dedup();
+        assert!(
+            offenders.is_empty(),
+            "found non-ASCII glyph(s) in GUI code/literals that are neither CJK nor on the safe \
+             allow-list — they may tofu on systems lacking the right font; use text or a \
+             Geometric/Arrow glyph (and extend SAFE_GLYPHS if you added an intentional one):\n{}",
+            offenders.join("\n")
+        );
+    }
+}
diff --git a/util/wolfdawn-master/crates/wolf-gui/src/project.rs b/util/wolfdawn-master/crates/wolf-gui/src/project.rs
new file mode 100644
index 0000000..4bb530c
--- /dev/null
+++ b/util/wolfdawn-master/crates/wolf-gui/src/project.rs
@@ -0,0 +1,369 @@
+//! The open game **project**: locating the game's files on disk and reading `Game.dat`.
+//!
+//! A project is opened from either a folder or a `Data.wolf` / `Game.dat` file. From whatever the
+//! user picks we resolve the *game root* (the dir holding `Data.wolf` and/or an unpacked `Data/`),
+//! then locate the three things every later section needs: the `Data.wolf` archive, the unpacked
+//! `Data/` directory, and `Game.dat`. `Game.dat` is parsed with [`GameDat::read`] to surface the
+//! title / encoding / font / version. A missing or unparseable `Game.dat` is non-fatal. The
+//! project still opens with whatever was found, and the caller logs a warning.
+
+use std::path::{Path, PathBuf};
+
+use wolf_decompiler::extract_game_dat;
+use wolf_decompiler::text::decode_wstr;
+use wolf_formats::game_dat::GameDat;
+
+/// An opened game, with the on-disk locations later sections operate on plus the human-readable
+/// facts read out of `Game.dat`.
+#[derive(Default, Clone)]
+pub struct Project {
+    /// The game root (the directory that holds `Data.wolf` and/or `Data/`).
+    pub root: PathBuf,
+    /// The packed `Data.wolf` archive, if present.
+    pub data_wolf: Option<PathBuf>,
+    /// The unpacked `Data/` directory, if present.
+    pub data_dir: Option<PathBuf>,
+    /// The `Game.dat` we parsed (root, `Data/`, or `Data/BasicData/`), if found.
+    pub game_dat: Option<PathBuf>,
+
+    // --- a cheap scanned index of the small relevant dirs (kept fresh by `rescan`) -------------
+    /// Decompilable code files: `MapData/*.mps` + `BasicData/CommonEvent.dat` (sorted).
+    pub code_files: Vec<PathBuf>,
+    /// Editable databases: `BasicData/*.project` (sorted).
+    pub databases: Vec<PathBuf>,
+    /// `.sav` files found under the game's `Save/` dir (sorted).
+    pub saves: Vec<PathBuf>,
+    /// The `Save/` dir the saves were found under (the batch-update default), if any.
+    pub save_dir: Option<PathBuf>,
+
+    // --- facts read from Game.dat (empty / defaults when it was absent or unparseable) ---
+    /// Window/game title (decoded for display).
+    pub title: String,
+    /// A short version/encoding descriptor (e.g. `UTF-8` vs `Shift-JIS`, plus title-suffix).
+    pub version: String,
+    /// True when `Game.dat` declared UTF-8 (vs Shift-JIS).
+    pub utf8: bool,
+    /// The editor's main font (decoded for display).
+    pub font: String,
+    /// True if `Game.dat` was found and parsed.
+    pub game_dat_ok: bool,
+}
+
+impl Project {
+    /// Re-walk the small relevant subdirs (`MapData/`, `BasicData/`, and `Save/`) and refresh the
+    /// scanned file index ([`code_files`](Self::code_files) / [`databases`](Self::databases) /
+    /// [`saves`](Self::saves) + [`save_dir`](Self::save_dir)). Returns `true` if any of those sets
+    /// changed versus the previous scan, so the caller can log / repaint only on a real change.
+    ///
+    /// Cheap: it only `read_dir`s those specific folders (never the huge asset trees
+    /// like Picture/ or Sound/), and only stats by extension/name. The lists are sorted so the
+    /// dropdowns built from them have a stable order.
+    pub fn rescan(&mut self) -> bool {
+        let prev_code = self.code_files.clone();
+        let prev_db = self.databases.clone();
+        let prev_saves = self.saves.clone();
+        let prev_save_dir = self.save_dir.clone();
+
+        // The data dir is where MapData/ and BasicData/ live (it may be the root itself when the
+        // project was opened on a folder that *is* a Data dir). Fall back to the root.
+        let data_base = self.data_dir.clone().unwrap_or_else(|| self.root.clone());
+
+        // Code: MapData/*.mps + BasicData/CommonEvent.dat.
+        let mut code_files = list_with_ext(&data_base.join("MapData"), "mps");
+        let common = data_base.join("BasicData").join("CommonEvent.dat");
+        if common.is_file() {
+            code_files.push(common);
+        }
+        code_files.sort();
+        self.code_files = code_files;
+
+        // Databases: BasicData/*.project (paired .dat is loaded by the section).
+        let mut databases = list_with_ext(&data_base.join("BasicData"), "project");
+        databases.sort();
+        self.databases = databases;
+
+        // Saves: *.sav under a Save/ dir at the game root (and/or next to Game.exe == the root).
+        let (saves, save_dir) = scan_saves(&self.root);
+        self.saves = saves;
+        self.save_dir = save_dir;
+
+        self.code_files != prev_code
+            || self.databases != prev_db
+            || self.saves != prev_saves
+            || self.save_dir != prev_save_dir
+    }
+}
+
+/// List the files directly in `dir` whose extension matches `ext` (case-insensitive). Empty when
+/// `dir` is missing or unreadable. The scan is best-effort and never fails a project open.
+fn list_with_ext(dir: &Path, ext: &str) -> Vec<PathBuf> {
+    let mut out = Vec::new();
+    let Ok(entries) = std::fs::read_dir(dir) else {
+        return out;
+    };
+    for entry in entries.flatten() {
+        let path = entry.path();
+        if path
+            .extension()
+            .and_then(|s| s.to_str())
+            .is_some_and(|e| e.eq_ignore_ascii_case(ext))
+        {
+            out.push(path);
+        }
+    }
+    out
+}
+
+/// Locate the game's `Save/` dir (at the root) and list the `*.sav` files in it. Returns the sorted
+/// save list plus the dir they came from (the batch-update default). Empty / `None` when there is no
+/// `Save/` dir yet.
+fn scan_saves(root: &Path) -> (Vec<PathBuf>, Option<PathBuf>) {
+    let save_dir = root.join("Save");
+    if !save_dir.is_dir() {
+        return (Vec::new(), None);
+    }
+    let mut saves = list_with_ext(&save_dir, "sav");
+    saves.sort();
+    (saves, Some(save_dir))
+}
+
+/// The result of opening a project: the project itself plus any human-readable notes to log
+/// (warnings for things that were missing or failed to parse, info for what was found).
+pub struct OpenOutcome {
+    pub project: Project,
+    pub notes: Vec<(NoteLevel, String)>,
+}
+
+/// Severity for an [`OpenOutcome`] note, mapped onto the log by the caller.
+#[derive(Clone, Copy)]
+pub enum NoteLevel {
+    Info,
+    Warn,
+}
+
+/// Resolve the game root from whatever the user picked (a folder, a `Data.wolf`, or a `Game.dat`),
+/// then locate `Data.wolf` / `Data/` / `Game.dat`, parse `Game.dat`, and build the [`Project`].
+///
+/// Never errors: a missing/garbled `Game.dat` produces a project with `game_dat_ok == false` and a
+/// warning note. (The only "failure" worth refusing is a path that does not exist at all.)
+pub fn open_project(picked: &Path) -> OpenOutcome {
+    let mut notes: Vec<(NoteLevel, String)> = Vec::new();
+
+    // Resolve the game root. If the user picked a file, the root is (heuristically) its parent, or
+    // its grandparent when the file sits inside a `Data/` (or `Data/BasicData/`) subtree.
+    let root = resolve_root(picked);
+
+    // Locate Data.wolf (root or Data/) and the unpacked Data/ dir.
+    let data_wolf = ["Data.wolf"]
+        .iter()
+        .map(|n| root.join(n))
+        .find(|p| p.is_file());
+    let data_dir = {
+        let d = root.join("Data");
+        if d.is_dir() {
+            Some(d)
+        } else {
+            // A folder that *is* a Data dir (holds BasicData) counts too.
+            root.join("BasicData").is_dir().then(|| root.clone())
+        }
+    };
+
+    // Locate Game.dat. Try, in order: an explicitly-picked Game.dat, then the common spots.
+    let game_dat = locate_game_dat(picked, &root, data_dir.as_deref());
+
+    let mut project = Project {
+        root: root.clone(),
+        data_wolf: data_wolf.clone(),
+        data_dir: data_dir.clone(),
+        game_dat: game_dat.clone(),
+        ..Default::default()
+    };
+    // Build the initial scanned index (code files / databases / saves) from the resolved dirs.
+    project.rescan();
+
+    // Log what we found, so the user sees the layout we resolved.
+    notes.push((NoteLevel::Info, format!("game root: {}", root.display())));
+    match &data_wolf {
+        Some(p) => notes.push((NoteLevel::Info, format!("found Data.wolf: {}", p.display()))),
+        None => notes.push((NoteLevel::Info, "no Data.wolf (will work from unpacked Data/)".into())),
+    }
+    match &data_dir {
+        Some(p) => notes.push((NoteLevel::Info, format!("found unpacked data dir: {}", p.display()))),
+        None => notes.push((NoteLevel::Info, "no unpacked Data/ dir yet (unpack Data.wolf to create one)".into())),
+    }
+    // Surface the scanned index counts so the user sees what the per-section dropdowns will offer.
+    notes.push((
+        NoteLevel::Info,
+        format!(
+            "indexed {} code file(s), {} database(s), {} save(s)",
+            project.code_files.len(),
+            project.databases.len(),
+            project.saves.len(),
+        ),
+    ));
+
+    // Parse Game.dat if we found one. Failure is non-fatal.
+    match &game_dat {
+        Some(path) => match read_game_facts(path) {
+            Ok(facts) => {
+                project.title = facts.title;
+                project.version = facts.version;
+                project.utf8 = facts.utf8;
+                project.font = facts.font;
+                project.game_dat_ok = true;
+                notes.push((
+                    NoteLevel::Info,
+                    format!("parsed Game.dat: title={:?}, encoding={}", project.title, encoding_label(project.utf8)),
+                ));
+            }
+            Err(e) => {
+                notes.push((
+                    NoteLevel::Warn,
+                    format!("Game.dat found but could not be read ({e}); opening project without it"),
+                ));
+            }
+        },
+        None => notes.push((
+            NoteLevel::Warn,
+            "no Game.dat found (looked in the root, Data/, and Data/BasicData/)".into(),
+        )),
+    }
+
+    OpenOutcome { project, notes }
+}
+
+/// Human label for the encoding flag.
+pub fn encoding_label(utf8: bool) -> &'static str {
+    if utf8 {
+        "UTF-8"
+    } else {
+        "Shift-JIS"
+    }
+}
+
+/// Resolve the game root from a picked path.
+fn resolve_root(picked: &Path) -> PathBuf {
+    if picked.is_dir() {
+        // If they picked a `Data` dir, the game root is its parent. Otherwise it's the dir itself.
+        if picked.file_name().and_then(|s| s.to_str()) == Some("Data") {
+            if let Some(parent) = picked.parent() {
+                return parent.to_path_buf();
+            }
+        }
+        // If they picked a BasicData dir, climb to the game root (BasicData -> Data -> root).
+        if picked.file_name().and_then(|s| s.to_str()) == Some("BasicData") {
+            if let Some(root) = picked.parent().and_then(|p| p.parent()) {
+                return root.to_path_buf();
+            }
+        }
+        return picked.to_path_buf();
+    }
+    // A file: walk up out of a known `Data`/`BasicData` subtree to the game root.
+    let parent = picked.parent().unwrap_or(Path::new("."));
+    let parent_name = parent.file_name().and_then(|s| s.to_str());
+    match parent_name {
+        Some("BasicData") => parent
+            .parent()
+            .and_then(|p| p.parent())
+            .unwrap_or(parent)
+            .to_path_buf(),
+        Some("Data") => parent.parent().unwrap_or(parent).to_path_buf(),
+        _ => parent.to_path_buf(),
+    }
+}
+
+/// Locate `Game.dat`, trying (in order): an explicitly-picked `Game.dat`, the game root,
+/// `Data/`, and `Data/BasicData/`.
+fn locate_game_dat(picked: &Path, root: &Path, data_dir: Option<&Path>) -> Option<PathBuf> {
+    if picked.is_file() && picked.file_name().and_then(|s| s.to_str()) == Some("Game.dat") {
+        return Some(picked.to_path_buf());
+    }
+    let mut candidates = vec![
+        root.join("Game.dat"),
+        root.join("Data").join("Game.dat"),
+        root.join("Data").join("BasicData").join("Game.dat"),
+    ];
+    if let Some(d) = data_dir {
+        candidates.push(d.join("Game.dat"));
+        candidates.push(d.join("BasicData").join("Game.dat"));
+    }
+    candidates.into_iter().find(|p| p.is_file())
+}
+
+/// The subset of `Game.dat` facts we display.
+struct GameFacts {
+    title: String,
+    version: String,
+    utf8: bool,
+    font: String,
+}
+
+/// Read and decode the display facts from a `Game.dat` file.
+fn read_game_facts(path: &Path) -> Result<GameFacts, String> {
+    let bytes = std::fs::read(path).map_err(|e| e.to_string())?;
+    let gd = GameDat::read(&bytes).map_err(|e| e.to_string())?;
+    let utf8 = gd.utf8;
+    let title = decode_wstr(&gd.title, utf8);
+    let font = decode_wstr(&gd.font, utf8);
+
+    // "version" is a soft concept in Game.dat: surface the encoding plus the title-suffix string
+    // (string 8, e.g. a "Ver1.02" the author bakes in), which is the closest user-visible version.
+    let suffix = gd
+        .title_plus
+        .as_ref()
+        .map(|w| decode_wstr(w, utf8))
+        .filter(|s| !s.trim().is_empty());
+    let version = match suffix {
+        Some(s) => format!("{} · {}", encoding_label(utf8), s.trim()),
+        None => encoding_label(utf8).to_string(),
+    };
+
+    // Sanity-cross-check against extract_game_dat: it always emits Title first, decoded in-encoding.
+    // If our direct decode somehow disagrees (it shouldn't), prefer the extractor's value so the UI
+    // matches the translation tooling exactly. Cheap and keeps the two paths from ever drifting.
+    let title = title_from_extract(&gd).unwrap_or(title);
+
+    Ok(GameFacts {
+        title,
+        version,
+        utf8,
+        font,
+    })
+}
+
+/// Pull the Title `source` out of `extract_game_dat`'s JSON (the same value the translation
+/// pipeline sees), so the GUI's title display can never disagree with the tooling.
+fn title_from_extract(gd: &GameDat) -> Option<String> {
+    let json = extract_game_dat(gd);
+    // Fixed machine shape: `{"key": "Title", "source": "...", "text": "..."}`. Scan for it without
+    // pulling in a JSON dep (mirrors wolf-cli's own minimal scan in save-update).
+    let marker = json.find("\"key\": \"Title\"")?;
+    let after = &json[marker..];
+    let src_at = after.find("\"source\":")?;
+    let after = &after[src_at + "\"source\":".len()..];
+    let open = after.find('"')? + 1;
+    let rest = &after[open..];
+    let mut out = String::new();
+    let mut chars = rest.chars();
+    while let Some(c) = chars.next() {
+        match c {
+            '"' => return Some(out),
+            '\\' => match chars.next()? {
+                'n' => out.push('\n'),
+                'r' => out.push('\r'),
+                't' => out.push('\t'),
+                '"' => out.push('"'),
+                '\\' => out.push('\\'),
+                '/' => out.push('/'),
+                'u' => {
+                    let hex: String = chars.by_ref().take(4).collect();
+                    let code = u32::from_str_radix(&hex, 16).ok()?;
+                    out.push(char::from_u32(code)?);
+                }
+                other => out.push(other),
+            },
+            _ => out.push(c),
+        }
+    }
+    None
+}
diff --git a/util/wolfdawn-master/crates/wolf-gui/src/saves.rs b/util/wolfdawn-master/crates/wolf-gui/src/saves.rs
new file mode 100644
index 0000000..4df6faa
--- /dev/null
+++ b/util/wolfdawn-master/crates/wolf-gui/src/saves.rs
@@ -0,0 +1,501 @@
+//! The Saves section's data model and the headless logic behind it.
+//!
+//! A `.sav` bakes in the game *title* and player-facing *strings* (item / skill / mode names shown
+//! on the save-load screen). After a fan translation those go stale: the translated build rejects a
+//! save whose baked title does not match its own `Game.dat` title ("trying to load from another
+//! game"), and the baked strings still read in the original language. This section refreshes both,
+//! exactly as the CLI's `save-update` does, over either a single `.sav` or a whole save folder.
+//!
+//! This module owns everything *except* the egui rendering (which lives in `app.rs`), so the whole
+//! workflow can be exercised headlessly in tests:
+//!
+//!   * [`inspect`] reads a `.sav` and calls the library's [`inspect_save`] to surface the format,
+//!     encoding, baked title, and the editable baked-string list, the same records `update_save`
+//!     can rewrite.
+//!   * [`save_changes`] turns the user's edits (a possibly-changed title + the rows the user
+//!     actually changed) into a `new_title` + `source->target` map, optionally backs up the
+//!     original, then calls the library's [`update_save`] and writes the result.
+//!   * [`batch_update`] mirrors the CLI's `cmd_save_update`: a new title (typed or read from a
+//!     translated `Game.dat`) and/or a translation file/dir (turned into a `source->target` map via
+//!     [`build_memory`], like the CLI), applied with `update_save` over every `*.sav` in a folder.
+//!
+//! Every codec is handled by `wolf_decompiler` (standard and GamePro Pro). An unsupported buffer is
+//! reported and skipped, never written.
+
+use std::collections::HashMap;
+use std::path::{Path, PathBuf};
+
+use wolf_decompiler::{
+    build_memory, extract_game_dat, inspect_save, update_save, SaveFormat, SaveInfo,
+    SaveUpdateStats,
+};
+use wolf_formats::game_dat::GameDat;
+
+/// One editable baked string: the read-only `original` (used as the `update_save` map key) and the
+/// editable `edited` value (starts equal to `original`).
+#[derive(Clone)]
+pub struct StringRow {
+    pub original: String,
+    pub edited: String,
+}
+
+impl StringRow {
+    /// True when the user actually changed this string (so only real edits go into the map).
+    pub fn is_changed(&self) -> bool {
+        self.edited != self.original
+    }
+}
+
+/// The loaded-and-editable view of a single inspected `.sav`: where it came from, its detected
+/// format/encoding, the editable title (seeded from the baked title), and the editable string rows.
+pub struct LoadedSave {
+    /// The on-disk `.sav` this was inspected from (the [`save_changes`] write target).
+    pub path: PathBuf,
+    pub format: SaveFormat,
+    pub encoding: &'static str,
+    /// The baked title as read (read-only reference, for "changed?" detection and the dim original).
+    pub original_title: String,
+    /// The editable title field (starts equal to `original_title`).
+    pub title: String,
+    /// The editable baked strings (deduplicated, in first-seen order).
+    pub strings: Vec<StringRow>,
+}
+
+impl LoadedSave {
+    /// True when the save's format is one we can edit/write.
+    pub fn editable(&self) -> bool {
+        self.format != SaveFormat::Unsupported
+    }
+
+    /// True when the title field differs from the baked title.
+    pub fn title_changed(&self) -> bool {
+        self.title != self.original_title
+    }
+
+    /// How many string rows the user has changed.
+    pub fn changed_count(&self) -> usize {
+        self.strings.iter().filter(|r| r.is_changed()).count()
+    }
+
+    /// Build the `new_title` + `source->target` map that [`save_changes`] hands to `update_save`,
+    /// from only what the user actually changed.
+    fn build_edits(&self) -> (Option<String>, HashMap<String, String>) {
+        let new_title = self.title_changed().then(|| self.title.clone());
+        let mut map = HashMap::new();
+        for r in &self.strings {
+            if r.is_changed() && !r.original.is_empty() {
+                // Last write wins if the same original appears twice with different edits. The rows
+                // are deduplicated on load so that should not happen in practice.
+                map.insert(r.original.clone(), r.edited.clone());
+            }
+        }
+        (new_title, map)
+    }
+}
+
+/// Read and inspect a `.sav`, building the editable [`LoadedSave`]. The baked-string list is
+/// deduplicated (keeping first-seen order) so the same item/skill name shows once. Editing it
+/// rewrites *every* occurrence on save (that is how `update_save`'s map works). An `Unsupported`
+/// save still loads (so the UI can show the not-supported note), just with editing disabled.
+pub fn inspect(path: &Path) -> Result<LoadedSave, String> {
+    let raw = std::fs::read(path).map_err(|e| format!("cannot read {}: {e}", path.display()))?;
+    let info: SaveInfo = inspect_save(&raw)?;
+
+    // Deduplicate the strings, preserving first-seen order, so each unique baked string is one row.
+    let mut seen: std::collections::HashSet<&str> = std::collections::HashSet::new();
+    let mut strings = Vec::new();
+    for s in &info.strings {
+        if seen.insert(s.as_str()) {
+            strings.push(StringRow {
+                original: s.clone(),
+                edited: s.clone(),
+            });
+        }
+    }
+
+    Ok(LoadedSave {
+        path: path.to_path_buf(),
+        format: info.format,
+        encoding: info.encoding,
+        original_title: info.title.clone(),
+        title: info.title,
+        strings,
+    })
+}
+
+/// Where a backup goes for a single-file save change.
+fn backup_path(save: &Path) -> PathBuf {
+    let mut name = save.file_name().map(|s| s.to_os_string()).unwrap_or_default();
+    name.push(".bak");
+    save.with_file_name(name)
+}
+
+/// Apply the user's edits (title + changed strings) to the loaded save and write it back, optionally
+/// backing up the original to `*.bak` first. Returns the [`SaveUpdateStats`] from `update_save`.
+/// Refuses to write an unsupported save. Mirrors the single-file path of the CLI's `cmd_save_update`.
+pub fn save_changes(loaded: &LoadedSave, backup: bool) -> Result<SaveUpdateStats, String> {
+    if !loaded.editable() {
+        return Err("this save's format is not supported; nothing was written".to_string());
+    }
+    let (new_title, map) = loaded.build_edits();
+    if new_title.is_none() && map.is_empty() {
+        return Err("no changes to save (edit the title or a baked string first)".to_string());
+    }
+
+    let raw = std::fs::read(&loaded.path)
+        .map_err(|e| format!("cannot read {}: {e}", loaded.path.display()))?;
+    let (out, stats) = update_save(&raw, new_title.as_deref(), &map)?;
+
+    if backup {
+        let bak = backup_path(&loaded.path);
+        std::fs::copy(&loaded.path, &bak)
+            .map_err(|e| format!("backup failed ({}): {e}", bak.display()))?;
+    }
+    std::fs::write(&loaded.path, &out)
+        .map_err(|e| format!("write failed ({}): {e}", loaded.path.display()))?;
+    Ok(stats)
+}
+
+/// Read the baked title out of a (translated) `Game.dat`, the same way the CLI's `--game` does:
+/// parse it and pull the Title `source` from `extract_game_dat`'s fixed JSON shape.
+pub fn title_from_game_dat(path: &Path) -> Result<String, String> {
+    let bytes = std::fs::read(path).map_err(|e| format!("cannot read {}: {e}", path.display()))?;
+    let gd = GameDat::read(&bytes).map_err(|e| format!("Game.dat parse failed: {e}"))?;
+    let json = extract_game_dat(&gd);
+    let value: serde_json::Value = serde_json::from_str(&json).map_err(|e| e.to_string())?;
+    value
+        .get("lines")
+        .and_then(serde_json::Value::as_array)
+        .into_iter()
+        .flatten()
+        .find(|l| l.get("key").and_then(serde_json::Value::as_str) == Some("Title"))
+        .and_then(|l| l.get("source").and_then(serde_json::Value::as_str))
+        .map(str::to_owned)
+        .ok_or_else(|| format!("{} has no Title entry", path.display()))
+}
+
+/// Collect every `*.json` under each path (recursively for dirs, the file itself if it is `.json`).
+fn collect_json_files(paths: &[PathBuf]) -> Vec<PathBuf> {
+    fn walk(path: &Path, out: &mut Vec<PathBuf>) {
+        if path.is_dir() {
+            if let Ok(rd) = std::fs::read_dir(path) {
+                for e in rd.flatten() {
+                    walk(&e.path(), out);
+                }
+            }
+        } else if path.extension().and_then(|s| s.to_str()) == Some("json") {
+            out.push(path.to_path_buf());
+        }
+    }
+    let mut out = Vec::new();
+    for p in paths {
+        walk(p, &mut out);
+    }
+    out.sort();
+    out.dedup();
+    out
+}
+
+/// Build the `source->target` baked-string map from translation JSON file(s)/dir(s), reusing the
+/// library's [`build_memory`] exactly as the CLI's `build_save_string_map` does. Returns the map and
+/// the count of sources that had divergent translations across files (the first value is kept).
+pub fn build_string_map(paths: &[PathBuf]) -> Result<(HashMap<String, String>, usize), String> {
+    let files = collect_json_files(paths);
+    if files.is_empty() {
+        return Err("no *.json found under the chosen translation path(s)".to_string());
+    }
+    let mut texts: Vec<String> = Vec::with_capacity(files.len());
+    for p in &files {
+        texts.push(std::fs::read_to_string(p).map_err(|e| format!("{}: {e}", p.display()))?);
+    }
+    let refs: Vec<&str> = texts.iter().map(String::as_str).collect();
+    let (memory, conflicts) = build_memory(&refs);
+    Ok((memory, conflicts.len()))
+}
+
+/// One save's outcome in a [`batch_update`] run, for the log.
+pub enum BatchEntry {
+    /// Updated: `(file name, stats)`.
+    Updated(String, SaveUpdateStats),
+    /// Skipped because its format is unsupported: `file name`.
+    Skipped(String),
+    /// An I/O error on this file: `(file name, message)`.
+    Failed(String, String),
+}
+
+/// The summary of a whole batch run.
+pub struct BatchOutcome {
+    pub entries: Vec<BatchEntry>,
+    pub backup_dir: Option<PathBuf>,
+}
+
+impl BatchOutcome {
+    pub fn updated(&self) -> usize {
+        self.entries.iter().filter(|e| matches!(e, BatchEntry::Updated(..))).count()
+    }
+    pub fn skipped(&self) -> usize {
+        self.entries.iter().filter(|e| matches!(e, BatchEntry::Skipped(..))).count()
+    }
+    pub fn failed(&self) -> usize {
+        self.entries.iter().filter(|e| matches!(e, BatchEntry::Failed(..))).count()
+    }
+}
+
+/// List every `*.sav` directly under `dir`, sorted (mirrors the CLI's discovery).
+fn list_saves(dir: &Path) -> Vec<PathBuf> {
+    let mut v: Vec<PathBuf> = std::fs::read_dir(dir)
+        .into_iter()
+        .flatten()
+        .flatten()
+        .map(|e| e.path())
+        .filter(|p| p.is_file() && p.extension().and_then(|s| s.to_str()) == Some("sav"))
+        .collect();
+    v.sort();
+    v
+}
+
+/// A short timestamp (`YYYYmmdd_HHMMSS`) for a backup dir name, like the CLI's `backup_stamp`.
+pub fn backup_stamp() -> String {
+    let secs = std::time::SystemTime::now()
+        .duration_since(std::time::UNIX_EPOCH)
+        .map(|d| d.as_secs())
+        .unwrap_or(0);
+    let days = secs / 86_400;
+    let tod = secs % 86_400;
+    let (hh, mm, ss) = (tod / 3600, (tod % 3600) / 60, tod % 60);
+    // Civil-from-days (Howard Hinnant's algorithm).
+    let z = days as i64 + 719_468;
+    let era = if z >= 0 { z } else { z - 146_096 } / 146_097;
+    let doe = z - era * 146_097;
+    let yoe = (doe - doe / 1460 + doe / 36_524 - doe / 146_096) / 365;
+    let y = yoe + era * 400;
+    let doy = doe - (365 * yoe + yoe / 4 - yoe / 100);
+    let mp = (5 * doy + 2) / 153;
+    let d = doy - (153 * mp + 2) / 5 + 1;
+    let m = if mp < 10 { mp + 3 } else { mp - 9 };
+    let year = if m <= 2 { y + 1 } else { y };
+    format!("{year:04}{m:02}{d:02}_{hh:02}{mm:02}{ss:02}")
+}
+
+/// Apply a `new_title` and/or a `source->target` string `map` over every `*.sav` in `dir`, in place,
+/// mirroring the CLI's `cmd_save_update`. When `backup` is set, the originals are copied into a
+/// `save_backup_<stamp>/` under `dir` first. Each file's outcome (updated / skipped-unsupported /
+/// failed) is recorded for the log. `report` drives a progress bar. Pass a no-op in tests.
+///
+/// Errors only when there is nothing to do (no title and an empty map) or no `*.sav` is found.
+pub fn batch_update(
+    dir: &Path,
+    new_title: Option<&str>,
+    map: &HashMap<String, String>,
+    backup: bool,
+    mut report: impl FnMut(f32, String),
+) -> Result<BatchOutcome, String> {
+    if new_title.is_none() && map.is_empty() {
+        return Err("nothing to do (give a new title and/or a translations file)".to_string());
+    }
+    let saves = list_saves(dir);
+    if saves.is_empty() {
+        return Err(format!("no *.sav files found under {}", dir.display()));
+    }
+
+    // Back up the originals into a stamped dir before overwriting (mirrors the CLI).
+    let backup_dir = if backup {
+        let root = dir.join(format!("save_backup_{}", backup_stamp()));
+        std::fs::create_dir_all(&root)
+            .map_err(|e| format!("cannot create backup dir {}: {e}", root.display()))?;
+        for src in &saves {
+            let name = src.file_name().unwrap_or_default();
+            std::fs::copy(src, root.join(name))
+                .map_err(|e| format!("backup failed for {}: {e}", src.display()))?;
+        }
+        Some(root)
+    } else {
+        None
+    };
+
+    let total = saves.len();
+    let mut entries = Vec::with_capacity(total);
+    for (i, src) in saves.iter().enumerate() {
+        let name = src
+            .file_name()
+            .and_then(|s| s.to_str())
+            .unwrap_or("?")
+            .to_string();
+        report((i as f32) / (total as f32), format!("update {name}"));
+        let raw = match std::fs::read(src) {
+            Ok(b) => b,
+            Err(e) => {
+                entries.push(BatchEntry::Failed(name, format!("read failed: {e}")));
+                continue;
+            }
+        };
+        match update_save(&raw, new_title, map) {
+            Ok((out, stats)) => match std::fs::write(src, &out) {
+                Ok(()) => entries.push(BatchEntry::Updated(name, stats)),
+                Err(e) => entries.push(BatchEntry::Failed(name, format!("write failed: {e}"))),
+            },
+            // Err means the buffer is neither a standard nor a detectable Pro save: skip, never write.
+            Err(_) => entries.push(BatchEntry::Skipped(name)),
+        }
+    }
+    report(1.0, "done".to_string());
+    Ok(BatchOutcome { entries, backup_dir })
+}
+
+#[cfg(test)]
+mod tests {
+    use super::*;
+
+    /// Resolve a fixture by its clean relative path under `WOLFDAWN_TEST_DATA`. Returns `None` when
+    /// the var is unset or the file is missing, so the data-dependent tests skip gracefully.
+    fn test_data(rel: &str) -> Option<PathBuf> {
+        let base = std::env::var_os("WOLFDAWN_TEST_DATA")?;
+        let p = std::path::Path::new(&base).join(rel);
+        p.exists().then_some(p)
+    }
+
+    /// The two real save fixtures. Tests skip gracefully when neither is present.
+    fn fixtures() -> Vec<PathBuf> {
+        ["chamber/SaveData01.sav", "pachimon/SaveData01.sav"]
+            .into_iter()
+            .filter_map(test_data)
+            .collect()
+    }
+
+    fn tmp_dir(tag: &str) -> PathBuf {
+        let p = std::env::temp_dir().join(format!(
+            "wolfdawn_saves_{tag}_{}_{}",
+            std::process::id(),
+            std::time::SystemTime::now()
+                .duration_since(std::time::UNIX_EPOCH)
+                .map(|d| d.as_nanos())
+                .unwrap_or(0)
+        ));
+        let _ = std::fs::create_dir_all(&p);
+        p
+    }
+
+    /// Inspect a real save (on a COPY), change the title + one baked string through this module's
+    /// own code path, write it, re-inspect from the written bytes, and assert the title + string
+    /// changed and the format is preserved. The game folders are never touched.
+    #[test]
+    fn inspect_edit_save_reinspect_round_trip() {
+        let fixtures = fixtures();
+        if fixtures.is_empty() {
+            eprintln!("skip inspect_edit_save_reinspect_round_trip: no save fixture present");
+            return;
+        }
+        for fixture in fixtures {
+            let work = tmp_dir("rt");
+            let copy = work.join("SaveData01.sav");
+            std::fs::copy(&fixture, &copy).expect("copy fixture");
+
+            let mut loaded = inspect(&copy).expect("inspect");
+            assert!(loaded.editable(), "{fixture:?}: real save should be editable");
+            assert!(!loaded.original_title.is_empty(), "title should be non-empty");
+            let original_format = loaded.format;
+
+            // Change the title.
+            let new_title = format!("{} [GUI]", loaded.original_title);
+            loaded.title = new_title.clone();
+
+            // Change the first baked string that can re-encode in this save's encoding.
+            let utf8 = loaded.encoding == "utf8";
+            let mut edited_marker: Option<String> = None;
+            for r in &mut loaded.strings {
+                if r.original.is_empty() {
+                    continue;
+                }
+                let candidate = format!("{} X", r.original);
+                // Shift-JIS saves: only edit a string whose new value is representable.
+                let representable = utf8 || {
+                    let (_, _, had_err) = encoding_rs::SHIFT_JIS.encode(&candidate);
+                    !had_err
+                };
+                if representable {
+                    r.edited = candidate.clone();
+                    edited_marker = Some(candidate);
+                    break;
+                }
+            }
+
+            let stats = save_changes(&loaded, true).expect("save changes");
+            assert!(stats.title_changed);
+            assert_eq!(stats.encoding, loaded.encoding);
+            // The backup must exist and still hold the original bytes.
+            let bak = copy.with_file_name("SaveData01.sav.bak");
+            assert!(bak.exists(), "backup should have been written");
+            assert_eq!(
+                std::fs::read(&bak).unwrap(),
+                std::fs::read(&fixture).unwrap(),
+                "backup should equal the original fixture"
+            );
+
+            // Re-inspect from the written file: title + string changed, format preserved.
+            let re = inspect(&copy).expect("re-inspect");
+            assert_eq!(re.format, original_format, "format must be preserved");
+            assert_eq!(re.title, new_title, "new title should re-inspect");
+            if let Some(marker) = edited_marker {
+                assert!(
+                    re.strings.iter().any(|r| r.original == marker),
+                    "the edited baked string should re-inspect"
+                );
+            }
+
+            let _ = std::fs::remove_dir_all(&work);
+        }
+    }
+
+    /// Batch update over a folder of save copies: applies a new title and reports per-file outcomes,
+    /// with the originals backed up to a stamped dir first.
+    #[test]
+    fn batch_update_folder_titles() {
+        let fixtures = fixtures();
+        if fixtures.is_empty() {
+            eprintln!("skip batch_update_folder_titles: no save fixture present");
+            return;
+        }
+        let fixture = &fixtures[0];
+        let work = tmp_dir("batch");
+        // Two copies so the batch has more than one file to walk.
+        for n in ["SaveData01.sav", "SaveData02.sav"] {
+            std::fs::copy(fixture, work.join(n)).expect("copy");
+        }
+
+        let new_title = "Batched Title";
+        let outcome =
+            batch_update(&work, Some(new_title), &HashMap::new(), true, |_, _| {}).expect("batch");
+        assert!(outcome.updated() >= 1, "at least one save should update");
+        assert_eq!(outcome.failed(), 0, "no I/O failures expected");
+        assert!(outcome.backup_dir.is_some(), "a backup dir should have been made");
+        let backup_dir = outcome.backup_dir.unwrap();
+        assert!(backup_dir.join("SaveData01.sav").exists(), "original backed up");
+
+        // Every updated file re-inspects to the new title.
+        for n in ["SaveData01.sav", "SaveData02.sav"] {
+            let re = inspect(&work.join(n)).expect("re-inspect");
+            if re.editable() {
+                assert_eq!(re.title, new_title);
+            }
+        }
+
+        let _ = std::fs::remove_dir_all(&work);
+    }
+
+    /// `save_changes` refuses a no-op (nothing edited) and never writes.
+    #[test]
+    fn save_changes_rejects_no_op() {
+        let fixtures = fixtures();
+        if fixtures.is_empty() {
+            eprintln!("skip save_changes_rejects_no_op: no save fixture present");
+            return;
+        }
+        let work = tmp_dir("noop");
+        let copy = work.join("SaveData01.sav");
+        std::fs::copy(&fixtures[0], &copy).expect("copy");
+        let loaded = inspect(&copy).expect("inspect");
+        let err = save_changes(&loaded, true).unwrap_err();
+        assert!(err.contains("no changes"), "got: {err}");
+        let _ = std::fs::remove_dir_all(&work);
+    }
+}
diff --git a/util/wolfdawn-master/crates/wolf-gui/src/task.rs b/util/wolfdawn-master/crates/wolf-gui/src/task.rs
new file mode 100644
index 0000000..f35532e
--- /dev/null
+++ b/util/wolfdawn-master/crates/wolf-gui/src/task.rs
@@ -0,0 +1,174 @@
+//! Background jobs. The shared pattern every long-running section uses.
+//!
+//! Long operations (unpack, extract, inject, save-update...) must never run on the UI thread
+//! or the window freezes. The pattern here:
+//!
+//! 1. A section calls [`JobManager::run`] with a label and a closure that does the work. The
+//!    closure receives a [`Reporter`] it pushes progress + log messages through.
+//! 2. The closure runs on a fresh `std::thread`. Each [`Reporter::progress`] / `Reporter::log`
+//!    call sends a [`JobMsg`] down an `mpsc` channel. The final `Result` is sent as
+//!    [`JobMsg::Done`].
+//! 3. Every frame, [`JobManager::poll`] drains the channel: progress updates the bar, log
+//!    messages append to the [`Log`], and `Done` clears the active job. While a job is live the
+//!    app keeps calling `ctx.request_repaint()` so the UI animates even with no user input.
+//!
+//! Sections copy this shape verbatim: build the inputs on the UI thread (cheap), then hand the
+//! heavy work to `run(...)` so the result and progress flow back through the channel.
+
+// `Reporter::warn`/`error` round out the reporting API for the heavier jobs that later sections
+// add. The Phase 0 demo job only needs `info`/`progress`, so allow the unused-yet variants here.
+#![allow(dead_code)]
+
+use std::sync::mpsc::{Receiver, Sender};
+
+use crate::log::{Level, Log};
+
+/// A message from a running job back to the UI thread.
+pub enum JobMsg {
+    /// Fractional progress in `0.0..=1.0` plus a short status line.
+    Progress(f32, String),
+    /// A line to append to the log at the given level.
+    Log(Level, String),
+    /// The job finished. `Ok` carries a human summary. `Err` carries the failure message.
+    Done(Result<String, String>),
+}
+
+/// Handed to a job closure so it can report progress and log lines back to the UI. Cloneable so a
+/// job can pass it into sub-steps. Sends are best-effort: if the UI side has hung up (app closing)
+/// the calls become no-ops rather than panicking.
+#[derive(Clone)]
+pub struct Reporter {
+    tx: Sender<JobMsg>,
+}
+
+impl Reporter {
+    /// Report fractional progress (`0.0..=1.0`) and a status line shown next to the bar.
+    pub fn progress(&self, fraction: f32, status: impl Into<String>) {
+        let _ = self.tx.send(JobMsg::Progress(fraction.clamp(0.0, 1.0), status.into()));
+    }
+
+    /// Append an info line to the log.
+    pub fn info(&self, msg: impl Into<String>) {
+        let _ = self.tx.send(JobMsg::Log(Level::Info, msg.into()));
+    }
+
+    /// Append a warning line to the log.
+    pub fn warn(&self, msg: impl Into<String>) {
+        let _ = self.tx.send(JobMsg::Log(Level::Warn, msg.into()));
+    }
+
+    /// Append an error line to the log.
+    pub fn error(&self, msg: impl Into<String>) {
+        let _ = self.tx.send(JobMsg::Log(Level::Error, msg.into()));
+    }
+}
+
+/// The single in-flight background job (if any) plus its latest progress, owned by the app.
+///
+/// At most one job runs at a time. The section UIs disable their action buttons via
+/// [`JobManager::is_running`] while one is live, so the worker never contends with itself.
+#[derive(Default)]
+pub struct JobManager {
+    /// Receiver for the active job's messages. `None` when idle.
+    rx: Option<Receiver<JobMsg>>,
+    /// Label of the active job (shown by the progress bar).
+    label: String,
+    /// Latest fractional progress in `0.0..=1.0`.
+    progress: f32,
+    /// Latest status line from the job.
+    status: String,
+}
+
+impl JobManager {
+    pub fn new() -> Self {
+        Self::default()
+    }
+
+    /// True while a background job is in flight.
+    pub fn is_running(&self) -> bool {
+        self.rx.is_some()
+    }
+
+    pub fn label(&self) -> &str {
+        &self.label
+    }
+
+    pub fn progress(&self) -> f32 {
+        self.progress
+    }
+
+    pub fn status(&self) -> &str {
+        &self.status
+    }
+
+    /// Spawn `work` on a worker thread, routing its progress/log/result back to this manager.
+    ///
+    /// `work` returns `Ok(summary)` on success or `Err(message)` on failure. Both are surfaced in
+    /// the log when the job completes. If a job is already running the call is ignored (the caller
+    /// should gate its button on [`is_running`](Self::is_running)).
+    pub fn run<F>(&mut self, label: impl Into<String>, log: &mut Log, work: F)
+    where
+        F: FnOnce(&Reporter) -> Result<String, String> + Send + 'static,
+    {
+        if self.is_running() {
+            log.warn("a job is already running; please wait for it to finish");
+            return;
+        }
+        let label = label.into();
+        let (tx, rx) = std::sync::mpsc::channel();
+        self.rx = Some(rx);
+        self.label = label.clone();
+        self.progress = 0.0;
+        self.status = "starting…".to_string();
+        log.info(format!("▶ {label}"));
+
+        // The worker owns its Reporter (and thus the Sender). When the thread ends the Sender drops
+        // and the channel closes, which is how `poll` detects completion even if `Done` is missed.
+        std::thread::spawn(move || {
+            let reporter = Reporter { tx };
+            let result = work(&reporter);
+            let _ = reporter.tx.send(JobMsg::Done(result));
+        });
+    }
+
+    /// Drain all pending messages from the active job into the log + progress fields. Returns
+    /// `true` while a job is still running (the caller then requests a repaint so the bar animates).
+    pub fn poll(&mut self, log: &mut Log) -> bool {
+        let Some(rx) = &self.rx else {
+            return false;
+        };
+        // Drain everything available this frame so the bar/log stay current under a chatty job.
+        let mut finished = false;
+        loop {
+            match rx.try_recv() {
+                Ok(JobMsg::Progress(frac, status)) => {
+                    self.progress = frac;
+                    self.status = status;
+                }
+                Ok(JobMsg::Log(level, msg)) => log.push(level, msg),
+                Ok(JobMsg::Done(result)) => {
+                    match result {
+                        Ok(summary) => log.info(format!("done — {} — {summary}", self.label)),
+                        Err(err) => log.error(format!("failed — {} — {err}", self.label)),
+                    }
+                    finished = true;
+                }
+                Err(std::sync::mpsc::TryRecvError::Empty) => break,
+                Err(std::sync::mpsc::TryRecvError::Disconnected) => {
+                    // Worker thread ended without an explicit Done (panic / early drop). Treat the
+                    // channel close as completion so the UI never gets stuck "running" forever.
+                    finished = true;
+                    break;
+                }
+            }
+        }
+        if finished {
+            self.rx = None;
+            self.progress = 0.0;
+            self.status.clear();
+            self.label.clear();
+            return false;
+        }
+        true
+    }
+}
diff --git a/util/wolfdawn-master/crates/wolf-gui/src/translation.rs b/util/wolfdawn-master/crates/wolf-gui/src/translation.rs
new file mode 100644
index 0000000..56d3626
--- /dev/null
+++ b/util/wolfdawn-master/crates/wolf-gui/src/translation.rs
@@ -0,0 +1,1248 @@
+//! The Translation section's data model and the headless logic behind it.
+//!
+//! A translator opens a game's unpacked `Data/`, gets an editable source<->translation grid, edits
+//! the translations, then injects them back into byte-exact game files. This module owns everything
+//! *except* the egui rendering (which lives in `app.rs`), so the whole workflow can be exercised in
+//! tests without a window:
+//!
+//!   * [`extract_model`] walks a data dir, calls the **same** `wolf_decompiler` extract functions the
+//!     CLI uses, and parses the per-file JSON they emit into a [`TranslationModel`] of editable
+//!     [`Row`]s. Each file keeps its *original parsed JSON* (`doc`) so injection is byte-for-byte
+//!     lossless: a row edit only rewrites a single `text` leaf inside that `Value`, never rebuilds
+//!     the shape (exactly how the library's own merge does it).
+//!   * [`inject_model`] serializes each file's (edited) JSON back and calls the matching
+//!     `inject_*` / `inject_names` library path with [`InjectOptions`] from the UI checkboxes.
+//!   * [`merge_into_model`] / [`check_conflicts`] / save+load round out the workflow.
+//!
+//! The DB `.project` is the canonical handle for a database. Injection writes the `.project`+`.dat`
+//! pair together, mirroring the CLI's `strings_inject_db` / `names-inject`.
+
+use std::path::{Path, PathBuf};
+
+use serde_json::Value;
+use wolf_decompiler::{
+    apply_memory, build_memory, check_name_conflicts, db_strings_to_json, extract_common_events,
+    extract_db_strings, extract_game_dat, extract_map, extract_names, extract_txt_events,
+    inject_common_events, inject_db_strings, inject_game_dat, inject_map, inject_names,
+    inject_txt_events, scenes_to_json, InjectOptions,
+};
+
+// Re-export the library's conflict type so the section UI can name it without reaching past this
+// module (it owns the translation surface).
+pub use wolf_decompiler::Conflict;
+use wolf_formats::common_event::CommonEventsFile;
+use wolf_formats::database::Database;
+use wolf_formats::game_dat::GameDat;
+use wolf_formats::map::Map;
+
+/// What kind of file a [`FileEntry`] came from. Decides which extract/inject library path applies
+/// and (for the DB) that the `.project`+`.dat` pair must be written together.
+#[derive(Clone, Copy, PartialEq, Eq, Debug)]
+pub enum FileKind {
+    /// A `.mps` map (`scenes` JSON).
+    Map,
+    /// `CommonEvent.dat` (`scenes` JSON).
+    CommonEvent,
+    /// A database `.project` (+ sibling `.dat`); `db` JSON.
+    Database,
+    /// `Game.dat` (`gamedat` JSON).
+    GameDat,
+    /// An external event-text `.txt` scene file (`txt` JSON). Some GamePro games keep their
+    /// dialogue in Shift-JIS `.txt` files (the unpacked `Evtext*.wolf`), one scene per file.
+    TxtEvent,
+}
+
+impl FileKind {
+    /// A short label for the file list.
+    pub fn tag(self) -> &'static str {
+        match self {
+            FileKind::Map => "map",
+            FileKind::CommonEvent => "common",
+            FileKind::Database => "db",
+            FileKind::GameDat => "gamedat",
+            FileKind::TxtEvent => "txt",
+        }
+    }
+}
+
+/// One editable translation row: the read-only `source`, the editable `translation`, plus a
+/// human-readable `location`/`note` and the JSON-pointer (`ptr`) of this row's `text` leaf inside
+/// its owning [`FileEntry::doc`]. The pointer is what makes injection lossless: an edit rewrites
+/// exactly that one leaf, leaving every other byte of the document untouched.
+#[derive(Clone)]
+pub struct Row {
+    pub source: String,
+    pub translation: String,
+    /// Where this string lives (e.g. `ev42/p0 · ▼Speaker`, `Type 3 row 7 · Name`).
+    pub location: String,
+    /// A small dim note (occurrence count for names, field hint for DB, etc.).
+    pub note: String,
+    /// JSON Pointer (RFC 6901) to the `text` value inside the owning document.
+    ptr: String,
+}
+
+impl Row {
+    /// True when the translator has actually changed the text from the source.
+    pub fn is_translated(&self) -> bool {
+        self.translation != self.source && !self.translation.is_empty()
+    }
+}
+
+/// One translatable file's rows plus the parsed JSON document they index into. `path` is the
+/// on-disk file the inject writes back to (the `.project` for a database).
+pub struct FileEntry {
+    pub path: PathBuf,
+    pub kind: FileKind,
+    pub rows: Vec<Row>,
+    /// The original extract JSON, parsed. Rows mutate `text` leaves here. Inject serializes it back.
+    doc: Value,
+}
+
+impl FileEntry {
+    /// A short display name for the file list (the file name, or a DB-friendly stem).
+    pub fn display_name(&self) -> String {
+        self.path
+            .file_name()
+            .and_then(|s| s.to_str())
+            .unwrap_or("?")
+            .to_string()
+    }
+
+    /// Translated-row count, for the per-file and overall counters.
+    pub fn translated_count(&self) -> usize {
+        self.rows.iter().filter(|r| r.is_translated()).count()
+    }
+}
+
+/// The whole editable project: every translatable file plus the project-level name glossary.
+#[derive(Default)]
+pub struct TranslationModel {
+    /// The data dir this was extracted from (so inject/merge default sensibly).
+    pub data_dir: PathBuf,
+    pub files: Vec<FileEntry>,
+    /// The glossary rows (the "Names" entry), kept beside its own parsed `names.json` document.
+    pub names: Vec<Row>,
+    names_doc: Value,
+}
+
+impl TranslationModel {
+    /// Total source lines across files + names.
+    pub fn total_rows(&self) -> usize {
+        self.files.iter().map(|f| f.rows.len()).sum::<usize>() + self.names.len()
+    }
+
+    /// Total translated lines across files + names.
+    pub fn translated_rows(&self) -> usize {
+        self.files.iter().map(FileEntry::translated_count).sum::<usize>()
+            + self.names.iter().filter(|r| r.is_translated()).count()
+    }
+
+    /// Push the editable `translation` values back into the parsed documents, so the documents are
+    /// current before serialization (inject/save). Called by [`inject_model`] and `save_to_path`.
+    fn sync_docs(&mut self) {
+        for f in &mut self.files {
+            apply_rows_to_doc(&mut f.doc, &f.rows);
+        }
+        apply_rows_to_doc(&mut self.names_doc, &self.names);
+    }
+}
+
+/// Write each row's `translation` into the `text` leaf its pointer addresses. An untranslated row
+/// (empty `translation`) writes its `source` back, so the doc's text equals the source (the inject
+/// then treats it as a no-op) and clearing a translation correctly resets the cell to its source.
+fn apply_rows_to_doc(doc: &mut Value, rows: &[Row]) {
+    for r in rows {
+        if let Some(slot) = doc.pointer_mut(&r.ptr) {
+            let text = if r.is_translated() { &r.translation } else { &r.source };
+            *slot = Value::String(text.clone());
+        }
+    }
+}
+
+// ----------------------------------------------------------------------------
+// Extraction: walk the data dir, call the library extract fns, parse to rows
+// ----------------------------------------------------------------------------
+
+/// Resolve which of `dir` / `dir/BasicData` holds `CommonEvent.dat` + the DB pairs (mirrors the
+/// CLI's `basic_data_dir`).
+fn basic_data_dir(dir: &Path) -> PathBuf {
+    if dir.join("CommonEvent.dat").exists() || dir.join("DataBase.project").exists() {
+        dir.to_path_buf()
+    } else if dir.join("BasicData").join("CommonEvent.dat").exists()
+        || dir.join("BasicData").join("DataBase.project").exists()
+    {
+        dir.join("BasicData")
+    } else {
+        dir.to_path_buf()
+    }
+}
+
+/// Every translatable file under a data dir, in a stable order: maps, then `CommonEvent.dat`, the
+/// three DB pairs, and `Game.dat` (mirrors how the CLI's `discover_data_dir` + `cmd_*` locate them).
+fn discover_files(dir: &Path) -> (Vec<PathBuf>, Vec<(FileKind, PathBuf)>) {
+    let basic = basic_data_dir(dir);
+
+    // Maps live in MapData (or directly under dir for a flattened layout).
+    let mut maps: Vec<PathBuf> = Vec::new();
+    for sub in [dir.to_path_buf(), dir.join("MapData")] {
+        let Ok(rd) = std::fs::read_dir(&sub) else {
+            continue;
+        };
+        for e in rd.flatten() {
+            let p = e.path();
+            if p.extension().and_then(|s| s.to_str()) == Some("mps") {
+                maps.push(p);
+            }
+        }
+    }
+    maps.sort();
+    maps.dedup();
+
+    let mut others: Vec<(FileKind, PathBuf)> = Vec::new();
+    let ce = basic.join("CommonEvent.dat");
+    if ce.exists() {
+        others.push((FileKind::CommonEvent, ce));
+    }
+    for stem in ["DataBase", "CDataBase", "SysDatabase"] {
+        let proj = basic.join(format!("{stem}.project"));
+        if proj.exists() && proj.with_extension("dat").exists() {
+            others.push((FileKind::Database, proj));
+        }
+    }
+    let game_dat = basic.join("Game.dat");
+    if game_dat.exists() {
+        others.push((FileKind::GameDat, game_dat));
+    }
+    (maps, others)
+}
+
+/// Every external event-text `.txt` file anywhere under `dir`, sorted by path. These are the
+/// unpacked `Evtext*.wolf` scene files. The walk is bounded by a depth limit so a deep tree cannot
+/// run away, and it only collects `.txt` (the sole `.txt` use in a Wolf game), so it skips the
+/// image/audio archives cheaply.
+fn discover_txt_files(dir: &Path) -> Vec<PathBuf> {
+    fn walk(dir: &Path, depth: usize, out: &mut Vec<PathBuf>) {
+        if depth > 8 {
+            return;
+        }
+        let Ok(rd) = std::fs::read_dir(dir) else {
+            return;
+        };
+        for e in rd.flatten() {
+            let p = e.path();
+            if p.is_dir() {
+                walk(&p, depth + 1, out);
+            } else if p.extension().and_then(|s| s.to_str()).map(|x| x.eq_ignore_ascii_case("txt")) == Some(true) {
+                out.push(p);
+            }
+        }
+    }
+    let mut out = Vec::new();
+    walk(dir, 0, &mut out);
+    out.sort();
+    out
+}
+
+/// Extract the whole data dir into a [`TranslationModel`]. `report` receives progress callbacks
+/// (`fraction`, `message`) so a background job can drive the progress bar. Pass a no-op closure in
+/// tests. Errors only on a truly empty dir. An unreadable single file is logged-and-skipped via the
+/// returned `warnings` list.
+pub struct ExtractOutcome {
+    pub model: TranslationModel,
+    pub warnings: Vec<String>,
+}
+
+pub fn extract_model(
+    dir: &Path,
+    mut report: impl FnMut(f32, String),
+) -> Result<ExtractOutcome, String> {
+    let (maps, others) = discover_files(dir);
+    // External event-text .txt files (unpacked Evtext*). Found anywhere under the dir, so a game
+    // that keeps its dialogue in .txt (some GamePro titles) gets that text too, not just the
+    // command stream. Most games have none, so this adds nothing for them.
+    let txts = discover_txt_files(dir);
+    let total = maps.len() + others.len() + txts.len() + 1; // +1 for the names glossary pass
+    if total <= 1 {
+        return Err(format!(
+            "no translatable files found under {} (looked for *.mps, CommonEvent.dat, the DB pairs, Game.dat, event .txt)",
+            dir.display()
+        ));
+    }
+    let mut done = 0usize;
+    let mut warnings = Vec::new();
+    let mut files: Vec<FileEntry> = Vec::new();
+
+    let step = |report: &mut dyn FnMut(f32, String), done: &mut usize, msg: String| {
+        *done += 1;
+        report(*done as f32 / total as f32, msg);
+    };
+
+    // Maps.
+    for p in &maps {
+        let name = p.file_name().and_then(|s| s.to_str()).unwrap_or("?").to_string();
+        step(&mut report, &mut done, format!("map {name}"));
+        match extract_map_file(p) {
+            Ok(entry) => files.push(entry),
+            Err(e) => warnings.push(format!("skip {name}: {e}")),
+        }
+    }
+    // CommonEvent / DB / Game.dat.
+    for (kind, p) in &others {
+        let name = p.file_name().and_then(|s| s.to_str()).unwrap_or("?").to_string();
+        step(&mut report, &mut done, format!("{} {name}", kind.tag()));
+        let r = match kind {
+            FileKind::CommonEvent => extract_common_file(p),
+            FileKind::Database => extract_db_file(p),
+            FileKind::GameDat => extract_gamedat_file(p),
+            FileKind::Map => unreachable!("maps handled above"),
+            FileKind::TxtEvent => unreachable!("txt handled in its own loop"),
+        };
+        match r {
+            Ok(entry) => files.push(entry),
+            Err(e) => warnings.push(format!("skip {name}: {e}")),
+        }
+    }
+    // External event-text .txt scene files, one entry each (so the per-file grid stays responsive
+    // even when a game ships thousands of them).
+    for p in &txts {
+        let name = p.file_name().and_then(|s| s.to_str()).unwrap_or("?").to_string();
+        step(&mut report, &mut done, format!("txt {name}"));
+        match extract_txt_file(p) {
+            Ok(entry) => files.push(entry),
+            Err(e) => warnings.push(format!("skip {name}: {e}")),
+        }
+    }
+
+    // Names glossary (whole-dir).
+    step(&mut report, &mut done, "names glossary".to_string());
+    let (names, names_doc) = match extract_names_doc(dir) {
+        Ok(v) => v,
+        Err(e) => {
+            warnings.push(format!("names glossary: {e}"));
+            (Vec::new(), Value::Null)
+        }
+    };
+
+    Ok(ExtractOutcome {
+        model: TranslationModel {
+            data_dir: dir.to_path_buf(),
+            files,
+            names,
+            names_doc,
+        },
+        warnings,
+    })
+}
+
+fn extract_map_file(path: &Path) -> Result<FileEntry, String> {
+    let bytes = std::fs::read(path).map_err(|e| e.to_string())?;
+    let map = Map::read(&bytes).map_err(|e| e.to_string())?;
+    let fname = path.file_name().and_then(|s| s.to_str()).unwrap_or("");
+    let json = scenes_to_json(fname, "map", &extract_map(&map));
+    let doc: Value = serde_json::from_str(&json).map_err(|e| e.to_string())?;
+    let rows = rows_from_scenes(&doc);
+    Ok(FileEntry { path: path.to_path_buf(), kind: FileKind::Map, rows, doc })
+}
+
+fn extract_common_file(path: &Path) -> Result<FileEntry, String> {
+    let bytes = std::fs::read(path).map_err(|e| e.to_string())?;
+    let ce = CommonEventsFile::read(&bytes).map_err(|e| e.to_string())?;
+    let fname = path.file_name().and_then(|s| s.to_str()).unwrap_or("");
+    let json = scenes_to_json(fname, "common", &extract_common_events(&ce));
+    let doc: Value = serde_json::from_str(&json).map_err(|e| e.to_string())?;
+    let rows = rows_from_scenes(&doc);
+    Ok(FileEntry { path: path.to_path_buf(), kind: FileKind::CommonEvent, rows, doc })
+}
+
+fn extract_db_file(proj: &Path) -> Result<FileEntry, String> {
+    let dat = proj.with_extension("dat");
+    let (p, d) = (
+        std::fs::read(proj).map_err(|e| e.to_string())?,
+        std::fs::read(&dat).map_err(|e| e.to_string())?,
+    );
+    let db = Database::read(&p, &d).map_err(|e| e.to_string())?;
+    let fname = proj.file_name().and_then(|s| s.to_str()).unwrap_or("");
+    let glossary = wolf_decompiler::symbols::load_embedded_engine_glossary();
+    let json = db_strings_to_json(fname, &extract_db_strings(&db, &glossary));
+    let doc: Value = serde_json::from_str(&json).map_err(|e| e.to_string())?;
+    let rows = rows_from_db(&doc);
+    Ok(FileEntry { path: proj.to_path_buf(), kind: FileKind::Database, rows, doc })
+}
+
+fn extract_gamedat_file(path: &Path) -> Result<FileEntry, String> {
+    let bytes = std::fs::read(path).map_err(|e| e.to_string())?;
+    let gd = GameDat::read(&bytes).map_err(|e| e.to_string())?;
+    let json = extract_game_dat(&gd);
+    let doc: Value = serde_json::from_str(&json).map_err(|e| e.to_string())?;
+    let rows = rows_from_gamedat(&doc);
+    Ok(FileEntry { path: path.to_path_buf(), kind: FileKind::GameDat, rows, doc })
+}
+
+fn extract_txt_file(path: &Path) -> Result<FileEntry, String> {
+    let bytes = std::fs::read(path).map_err(|e| e.to_string())?;
+    let json = extract_txt_events(&bytes);
+    let doc: Value = serde_json::from_str(&json).map_err(|e| e.to_string())?;
+    let rows = rows_from_txt(&doc);
+    Ok(FileEntry { path: path.to_path_buf(), kind: FileKind::TxtEvent, rows, doc })
+}
+
+/// Extract the project-level name glossary, returning its rows + parsed `names.json`.
+fn extract_names_doc(dir: &Path) -> Result<(Vec<Row>, Value), String> {
+    let basic = basic_data_dir(dir);
+    let mut dbs = Vec::new();
+    for stem in ["DataBase", "CDataBase", "SysDatabase"] {
+        let proj = basic.join(format!("{stem}.project"));
+        let dat = basic.join(format!("{stem}.dat"));
+        if let (Ok(p), Ok(d)) = (std::fs::read(&proj), std::fs::read(&dat)) {
+            if let Ok(db) = Database::read(&p, &d) {
+                dbs.push(db);
+            }
+        }
+    }
+    if dbs.is_empty() {
+        return Err("no databases found for the name glossary".into());
+    }
+    let ce = std::fs::read(basic.join("CommonEvent.dat"))
+        .ok()
+        .and_then(|b| CommonEventsFile::read(&b).ok());
+    let mut maps = Vec::new();
+    for sub in [dir.to_path_buf(), dir.join("MapData")] {
+        let Ok(rd) = std::fs::read_dir(&sub) else {
+            continue;
+        };
+        for e in rd.flatten() {
+            let p = e.path();
+            if p.extension().and_then(|s| s.to_str()) == Some("mps") {
+                if let Ok(b) = std::fs::read(&p) {
+                    if let Ok(m) = Map::read(&b) {
+                        maps.push(m);
+                    }
+                }
+            }
+        }
+    }
+    let ce_refs: Vec<&CommonEventsFile> = ce.iter().collect();
+    let glossary = wolf_decompiler::symbols::load_embedded_engine_glossary();
+    let json = extract_names(&dbs, &ce_refs, &maps, &glossary);
+    let doc: Value = serde_json::from_str(&json).map_err(|e| e.to_string())?;
+    let rows = rows_from_names(&doc);
+    Ok((rows, doc))
+}
+
+// --- JSON document -> editable rows (each row carries the pointer to its `text`) --------------
+
+fn rows_from_scenes(doc: &Value) -> Vec<Row> {
+    let mut rows = Vec::new();
+    let Some(scenes) = doc.get("scenes").and_then(Value::as_array) else {
+        return rows;
+    };
+    for (si, sc) in scenes.iter().enumerate() {
+        let event = sc.get("event").and_then(Value::as_i64).unwrap_or(0);
+        let page = sc.get("page").and_then(Value::as_i64);
+        let name = sc.get("name").and_then(Value::as_str).unwrap_or("");
+        let loc_prefix = match page {
+            Some(p) => format!("ev{event}/p{p}"),
+            None => format!("ev{event}"),
+        };
+        let Some(lines) = sc.get("lines").and_then(Value::as_array) else {
+            continue;
+        };
+        for (li, ln) in lines.iter().enumerate() {
+            let source = ln.get("source").and_then(Value::as_str).unwrap_or("").to_string();
+            let t = ln.get("text").and_then(Value::as_str).unwrap_or(&source).to_string();
+            // Untranslated rows hold an empty translation (no copy of the source), which both saves
+            // memory on big files and gives translators a clean target box. is_translated/apply treat
+            // empty as "same as source".
+            let text = if t == source { String::new() } else { t };
+            let speaker = ln.get("speaker").and_then(Value::as_str).unwrap_or("");
+            let mut note = String::new();
+            if !speaker.is_empty() {
+                note = speaker.to_string();
+            } else if !name.is_empty() {
+                note = name.to_string();
+            }
+            rows.push(Row {
+                source,
+                translation: text,
+                location: loc_prefix.clone(),
+                note,
+                ptr: format!("/scenes/{si}/lines/{li}/text"),
+            });
+        }
+    }
+    rows
+}
+
+fn rows_from_db(doc: &Value) -> Vec<Row> {
+    let mut rows = Vec::new();
+    let Some(groups) = doc.get("groups").and_then(Value::as_array) else {
+        return rows;
+    };
+    for (gi, g) in groups.iter().enumerate() {
+        let type_name = g.get("typeName").and_then(Value::as_str).unwrap_or("");
+        let Some(lines) = g.get("lines").and_then(Value::as_array) else {
+            continue;
+        };
+        for (li, ln) in lines.iter().enumerate() {
+            let source = ln.get("source").and_then(Value::as_str).unwrap_or("").to_string();
+            let t = ln.get("text").and_then(Value::as_str).unwrap_or(&source).to_string();
+            // Untranslated rows hold an empty translation (no copy of the source), which both saves
+            // memory on big files and gives translators a clean target box. is_translated/apply treat
+            // empty as "same as source".
+            let text = if t == source { String::new() } else { t };
+            let row_name = ln.get("rowName").and_then(Value::as_str).unwrap_or("");
+            let field = ln.get("fieldName").and_then(Value::as_str).unwrap_or("");
+            rows.push(Row {
+                source,
+                translation: text,
+                location: format!("{type_name} · {row_name}"),
+                note: field.to_string(),
+                ptr: format!("/groups/{gi}/lines/{li}/text"),
+            });
+        }
+    }
+    rows
+}
+
+fn rows_from_gamedat(doc: &Value) -> Vec<Row> {
+    let mut rows = Vec::new();
+    let Some(lines) = doc.get("lines").and_then(Value::as_array) else {
+        return rows;
+    };
+    for (li, ln) in lines.iter().enumerate() {
+        let source = ln.get("source").and_then(Value::as_str).unwrap_or("").to_string();
+        let t = ln.get("text").and_then(Value::as_str).unwrap_or(&source).to_string();
+        let text = if t == source { String::new() } else { t };
+        let key = ln.get("key").and_then(Value::as_str).unwrap_or("");
+        rows.push(Row {
+            source,
+            translation: text,
+            location: key.to_string(),
+            note: String::new(),
+            ptr: format!("/lines/{li}/text"),
+        });
+    }
+    rows
+}
+
+/// Rows for an event-text `.txt` document (`{ lines: [ {i, source, text} ] }`). Each translatable
+/// line becomes a row pointing at its `text` leaf. The `i` (the physical line index in the file)
+/// is shown as the location so a translator can find it in the original.
+fn rows_from_txt(doc: &Value) -> Vec<Row> {
+    let mut rows = Vec::new();
+    let Some(lines) = doc.get("lines").and_then(Value::as_array) else {
+        return rows;
+    };
+    for (li, ln) in lines.iter().enumerate() {
+        let source = ln.get("source").and_then(Value::as_str).unwrap_or("").to_string();
+        let t = ln.get("text").and_then(Value::as_str).unwrap_or(&source).to_string();
+        let text = if t == source { String::new() } else { t };
+        let i = ln.get("i").and_then(Value::as_i64).unwrap_or(li as i64);
+        rows.push(Row {
+            source,
+            translation: text,
+            location: format!("line {i}"),
+            note: String::new(),
+            ptr: format!("/lines/{li}/text"),
+        });
+    }
+    rows
+}
+
+fn rows_from_names(doc: &Value) -> Vec<Row> {
+    let mut rows = Vec::new();
+    let Some(names) = doc.get("names").and_then(Value::as_array) else {
+        return rows;
+    };
+    for (i, e) in names.iter().enumerate() {
+        let source = e.get("source").and_then(Value::as_str).unwrap_or("").to_string();
+        let t = e.get("text").and_then(Value::as_str).unwrap_or(&source).to_string();
+        let text = if t == source { String::new() } else { t };
+        let occ = e.get("occurrences").and_then(Value::as_i64).unwrap_or(0);
+        let glossary_note = e.get("note").and_then(Value::as_str).unwrap_or("");
+        let note = if glossary_note.is_empty() {
+            format!("×{occ}")
+        } else {
+            format!("×{occ} · {glossary_note}")
+        };
+        rows.push(Row {
+            source,
+            translation: text,
+            location: "name".to_string(),
+            note,
+            ptr: format!("/names/{i}/text"),
+        });
+    }
+    rows
+}
+
+// ----------------------------------------------------------------------------
+// Injection: serialize the edited docs back, call the library inject paths
+// ----------------------------------------------------------------------------
+
+/// Where an inject writes. `InPlace` overwrites the source files. `OutDir` mirrors the data dir's
+/// relative layout under a chosen output directory (like the CLI's `-o`).
+#[derive(Clone)]
+pub enum InjectTarget {
+    InPlace,
+    OutDir(PathBuf),
+}
+
+/// Per-file inject result line for the log.
+pub struct InjectReport {
+    pub file: String,
+    pub applied: usize,
+    pub skipped: usize,
+    pub drifted: usize,
+}
+
+/// Inject the whole (edited) model back into byte-exact game files. Calls the same `inject_*` /
+/// `inject_names` library paths the CLI uses, with `opts` from the UI checkboxes. `report` drives
+/// progress. The returned per-file [`InjectReport`]s are logged by the caller.
+pub fn inject_model(
+    model: &mut TranslationModel,
+    opts: &InjectOptions,
+    target: &InjectTarget,
+    mut report: impl FnMut(f32, String),
+) -> Result<Vec<InjectReport>, String> {
+    model.sync_docs();
+    let total = model.files.len() + 1; // +1 names
+    let mut done = 0usize;
+    let mut out = Vec::new();
+
+    let out_path = |orig: &Path| -> PathBuf {
+        match target {
+            InjectTarget::InPlace => orig.to_path_buf(),
+            InjectTarget::OutDir(od) => od.join(rel(&model.data_dir, orig)),
+        }
+    };
+
+    for f in &model.files {
+        done += 1;
+        let name = f.display_name();
+        report(done as f32 / total as f32, format!("inject {name}"));
+        let json = serde_json::to_string(&f.doc).map_err(|e| e.to_string())?;
+        let dest = out_path(&f.path);
+        let rep = inject_one_file(f.kind, &f.path, &dest, &json, opts)
+            .map_err(|e| format!("{name}: {e}"))?;
+        out.push(rep);
+    }
+
+    // Names glossary: applied consistently across the WHOLE dir (DBs + CE + maps), like names-inject.
+    done += 1;
+    report(done as f32 / total as f32, "inject names".to_string());
+    let names_json = serde_json::to_string(&model.names_doc).map_err(|e| e.to_string())?;
+    if let Some(rep) = inject_names_all(&model.data_dir, &names_json, opts, target)? {
+        out.push(rep);
+    }
+
+    Ok(out)
+}
+
+/// Apply one file's translation JSON to its base, writing byte-exact output. Databases write the
+/// `.project`+`.dat` pair (mirrors the CLI's `strings_inject_db`). Every written file is re-parsed
+/// to never ship a structurally-corrupt file.
+fn inject_one_file(
+    kind: FileKind,
+    base: &Path,
+    dest: &Path,
+    json: &str,
+    opts: &InjectOptions,
+) -> Result<InjectReport, String> {
+    let name = base.file_name().and_then(|s| s.to_str()).unwrap_or("?").to_string();
+    if let Some(parent) = dest.parent() {
+        let _ = std::fs::create_dir_all(parent);
+    }
+    // External event-text .txt: `inject_txt_events` rebuilds the file byte-exact from the base, so
+    // there is no structured stats struct. Count the intended edits (lines whose text differs from
+    // source) for the report, then return early.
+    if kind == FileKind::TxtEvent {
+        let base_bytes = std::fs::read(base).map_err(|e| e.to_string())?;
+        let out = inject_txt_events(json, &base_bytes)?;
+        std::fs::write(dest, &out).map_err(|e| e.to_string())?;
+        let applied = serde_json::from_str::<Value>(json)
+            .ok()
+            .and_then(|v| {
+                v.get("lines").and_then(|l| l.as_array()).map(|ls| {
+                    ls.iter()
+                        .filter(|l| {
+                            l.get("text").and_then(Value::as_str)
+                                != l.get("source").and_then(Value::as_str)
+                        })
+                        .count()
+                })
+            })
+            .unwrap_or(0);
+        return Ok(InjectReport { file: name, applied, skipped: 0, drifted: 0 });
+    }
+    let stats = match kind {
+        FileKind::CommonEvent => {
+            let base_bytes = std::fs::read(base).map_err(|e| e.to_string())?;
+            let mut ce = CommonEventsFile::read(&base_bytes).map_err(|e| e.to_string())?;
+            let st = inject_common_events(json, &mut ce, opts)?;
+            let out = ce.write();
+            CommonEventsFile::read(&out).map_err(|e| format!("re-parse failed: {e}"))?;
+            std::fs::write(dest, &out).map_err(|e| e.to_string())?;
+            st
+        }
+        FileKind::Map => {
+            let base_bytes = std::fs::read(base).map_err(|e| e.to_string())?;
+            let mut m = Map::read(&base_bytes).map_err(|e| e.to_string())?;
+            let st = inject_map(json, &mut m, opts)?;
+            let out = m.write();
+            Map::read(&out).map_err(|e| format!("re-parse failed: {e}"))?;
+            std::fs::write(dest, &out).map_err(|e| e.to_string())?;
+            st
+        }
+        FileKind::GameDat => {
+            let base_bytes = std::fs::read(base).map_err(|e| e.to_string())?;
+            let mut gd = GameDat::read(&base_bytes).map_err(|e| e.to_string())?;
+            let st = inject_game_dat(json, &mut gd, opts)?;
+            let out = gd.write();
+            GameDat::read(&out).map_err(|e| format!("re-parse failed: {e}"))?;
+            std::fs::write(dest, &out).map_err(|e| e.to_string())?;
+            st
+        }
+        FileKind::Database => {
+            // The `.project`+`.dat` pair, written together byte-exact.
+            let proj = base.to_path_buf();
+            let base_dat = proj.with_extension("dat");
+            let out_dat = dest.with_extension("dat");
+            let (p, d) = (
+                std::fs::read(&proj).map_err(|e| e.to_string())?,
+                std::fs::read(&base_dat).map_err(|e| e.to_string())?,
+            );
+            let mut db = Database::read(&p, &d).map_err(|e| e.to_string())?;
+            let st = inject_db_strings(json, &mut db, opts)?;
+            let (op, od) = db.write();
+            Database::read(&op, &od).map_err(|e| format!("re-parse failed: {e}"))?;
+            std::fs::write(dest, &op).map_err(|e| e.to_string())?;
+            std::fs::write(&out_dat, &od).map_err(|e| e.to_string())?;
+            st
+        }
+        FileKind::TxtEvent => unreachable!("txt handled before the match"),
+    };
+    Ok(InjectReport {
+        file: name,
+        applied: stats.applied,
+        skipped: stats.untranslated + stats.code_mismatch + stats.unrepresentable,
+        drifted: stats.drifted,
+    })
+}
+
+/// Apply the name glossary across the whole data dir (DB pairs + CommonEvent + maps), consistently,
+/// exactly as the CLI's `names-inject` does. Returns `None` if the glossary is empty/absent.
+fn inject_names_all(
+    dir: &Path,
+    names_json: &str,
+    opts: &InjectOptions,
+    target: &InjectTarget,
+) -> Result<Option<InjectReport>, String> {
+    // Parse everything up front so a partial write can't desync the name mirrors.
+    let basic = basic_data_dir(dir);
+
+    // The names pass must LAYER on top of the per-file string injects: when writing to an output
+    // dir, the string pass has already written its edits to `<out>/<rel>`. So we read each base file
+    // from its output destination if that exists (string-inject touched it), else from the original.
+    // This stops the names pass from clobbering a string-edited file with a fresh original copy.
+    // In place, the destination IS the original, so it reads the just-string-injected file directly.
+    let remap = |orig: &Path| -> PathBuf {
+        match target {
+            InjectTarget::InPlace => orig.to_path_buf(),
+            InjectTarget::OutDir(od) => od.join(rel(dir, orig)),
+        }
+    };
+    let base_of = |orig: &Path| -> PathBuf {
+        let dest = remap(orig);
+        if dest.exists() {
+            dest
+        } else {
+            orig.to_path_buf()
+        }
+    };
+
+    let mut db_paths: Vec<(PathBuf, PathBuf)> = Vec::new();
+    for stem in ["DataBase", "CDataBase", "SysDatabase"] {
+        let proj = basic.join(format!("{stem}.project"));
+        let dat = basic.join(format!("{stem}.dat"));
+        if proj.exists() && dat.exists() {
+            db_paths.push((proj, dat));
+        }
+    }
+    if db_paths.is_empty() {
+        return Ok(None);
+    }
+    let mut db_loaded: Vec<(PathBuf, PathBuf, Database)> = Vec::new();
+    for (proj, dat) in &db_paths {
+        let (p, d) = (
+            std::fs::read(base_of(proj)).map_err(|e| e.to_string())?,
+            std::fs::read(base_of(dat)).map_err(|e| e.to_string())?,
+        );
+        let db = Database::read(&p, &d).map_err(|e| e.to_string())?;
+        db_loaded.push((proj.clone(), dat.clone(), db));
+    }
+    let ce_path = basic.join("CommonEvent.dat");
+    let mut ce_loaded: Option<(PathBuf, CommonEventsFile)> = None;
+    if ce_path.exists() {
+        let b = std::fs::read(base_of(&ce_path)).map_err(|e| e.to_string())?;
+        let ce = CommonEventsFile::read(&b).map_err(|e| e.to_string())?;
+        ce_loaded = Some((ce_path.clone(), ce));
+    }
+    let mut map_paths: Vec<PathBuf> = Vec::new();
+    for sub in [dir.to_path_buf(), dir.join("MapData")] {
+        let Ok(rd) = std::fs::read_dir(&sub) else {
+            continue;
+        };
+        for e in rd.flatten() {
+            let p = e.path();
+            if p.extension().and_then(|s| s.to_str()) == Some("mps") {
+                map_paths.push(p);
+            }
+        }
+    }
+    map_paths.sort();
+    map_paths.dedup();
+    let mut map_loaded: Vec<(PathBuf, Map)> = Vec::new();
+    for p in &map_paths {
+        let b = std::fs::read(base_of(p)).map_err(|e| e.to_string())?;
+        let m = Map::read(&b).map_err(|e| e.to_string())?;
+        map_loaded.push((p.clone(), m));
+    }
+
+    let glossary = wolf_decompiler::symbols::load_embedded_engine_glossary();
+    let mut dbs: Vec<Database> = db_loaded.iter().map(|(_, _, db)| db.clone()).collect();
+    let mut ce_vec: Vec<&mut CommonEventsFile> =
+        ce_loaded.as_mut().map(|(_, c)| c).into_iter().collect();
+    let mut maps: Vec<Map> = map_loaded.iter().map(|(_, m)| m.clone()).collect();
+    let stats = inject_names(names_json, &mut dbs, &mut ce_vec, &mut maps, opts, &glossary)?;
+    // Move the mutated copies back.
+    for ((_, _, db), new) in db_loaded.iter_mut().zip(dbs) {
+        *db = new;
+    }
+    for ((_, m), new) in map_loaded.iter_mut().zip(maps) {
+        *m = new;
+    }
+
+    let ensure_parent = |p: &Path| {
+        if let Some(parent) = p.parent() {
+            let _ = std::fs::create_dir_all(parent);
+        }
+    };
+
+    // Write everything (re-parsing each) only after the whole apply succeeded.
+    for (proj, dat, db) in &db_loaded {
+        let (op, od) = db.write();
+        Database::read(&op, &od).map_err(|e| format!("names: DB re-parse failed: {e}"))?;
+        let (out_proj, out_dat) = (remap(proj), remap(dat));
+        ensure_parent(&out_proj);
+        std::fs::write(&out_proj, &op).map_err(|e| e.to_string())?;
+        std::fs::write(&out_dat, &od).map_err(|e| e.to_string())?;
+    }
+    if let Some((p, c)) = &ce_loaded {
+        let out = c.write();
+        CommonEventsFile::read(&out).map_err(|e| format!("names: CE re-parse failed: {e}"))?;
+        let dest = remap(p);
+        ensure_parent(&dest);
+        std::fs::write(&dest, &out).map_err(|e| e.to_string())?;
+    }
+    for (p, m) in &map_loaded {
+        let out = m.write();
+        Map::read(&out).map_err(|e| format!("names: map re-parse failed: {e}"))?;
+        let dest = remap(p);
+        ensure_parent(&dest);
+        std::fs::write(&dest, &out).map_err(|e| e.to_string())?;
+    }
+
+    Ok(Some(InjectReport {
+        file: "Names (glossary)".to_string(),
+        applied: stats.applied,
+        skipped: stats.untranslated + stats.code_mismatch + stats.unrepresentable,
+        drifted: stats.drifted,
+    }))
+}
+
+// ----------------------------------------------------------------------------
+// Merge (translation memory), name-conflict check, save/load
+// ----------------------------------------------------------------------------
+
+/// Outcome of a merge: how many rows got a translation carried in, and how many are still untouched.
+pub struct MergeOutcome {
+    pub carried: usize,
+    pub still_new: usize,
+}
+
+/// Carry existing translations from old translation JSON file(s)/dir into the current model, matched
+/// by exact source string. Reuses the library's `build_memory` + `apply_memory`: a memory is built
+/// from every old `*.json`, then applied to each file's parsed document. The carried `text` values
+/// are read back into the rows. Untouched (already-translated) rows are kept.
+pub fn merge_into_model(model: &mut TranslationModel, old_paths: &[PathBuf]) -> Result<MergeOutcome, String> {
+    // Build one global memory from every old JSON (files + every *.json under old dirs).
+    let mut old_files: Vec<PathBuf> = Vec::new();
+    for p in old_paths {
+        collect_json_files(p, &mut old_files);
+    }
+    old_files.sort();
+    old_files.dedup();
+    if old_files.is_empty() {
+        return Err("no *.json found under the chosen old translation path(s)".into());
+    }
+    let mut texts: Vec<String> = Vec::with_capacity(old_files.len());
+    for p in &old_files {
+        texts.push(std::fs::read_to_string(p).map_err(|e| format!("{}: {e}", p.display()))?);
+    }
+    let refs: Vec<&str> = texts.iter().map(String::as_str).collect();
+    let (memory, _conflicts) = build_memory(&refs);
+
+    // Sync current edits into the docs first so we don't clobber existing in-session translations.
+    model.sync_docs();
+
+    let mut carried = 0usize;
+    let mut still_new = 0usize;
+    for f in &mut model.files {
+        let json = serde_json::to_string(&f.doc).map_err(|e| e.to_string())?;
+        let (merged, stats) = apply_memory(&json, &memory)?;
+        f.doc = serde_json::from_str(&merged).map_err(|e| e.to_string())?;
+        read_docs_into_rows(&f.doc, &mut f.rows);
+        carried += stats.carried;
+        still_new += stats.still_new;
+    }
+    if !model.names_doc.is_null() {
+        let json = serde_json::to_string(&model.names_doc).map_err(|e| e.to_string())?;
+        let (merged, stats) = apply_memory(&json, &memory)?;
+        model.names_doc = serde_json::from_str(&merged).map_err(|e| e.to_string())?;
+        read_docs_into_rows(&model.names_doc, &mut model.names);
+        carried += stats.carried;
+        still_new += stats.still_new;
+    }
+    Ok(MergeOutcome { carried, still_new })
+}
+
+/// Read the `text` leaf each row points at back into the row's `translation` (the inverse of
+/// [`apply_rows_to_doc`]). Used after a merge rewrote the documents.
+fn read_docs_into_rows(doc: &Value, rows: &mut [Row]) {
+    for r in rows {
+        if let Some(Value::String(s)) = doc.pointer(&r.ptr) {
+            // Keep the empty-when-untranslated invariant so the memory + UX stay consistent.
+            r.translation = if *s == r.source { String::new() } else { s.clone() };
+        }
+    }
+}
+
+/// Run the name-conflict check over the current model's name glossary + every file's current JSON
+/// (so a name translated inconsistently between the glossary and a DB/scene is caught). Returns the
+/// conflicts the library found.
+pub fn check_conflicts(model: &mut TranslationModel) -> Vec<Conflict> {
+    model.sync_docs();
+    let mut docs: Vec<(String, String)> = Vec::new();
+    docs.push(("Names".to_string(), model.names_doc.to_string()));
+    for f in &model.files {
+        docs.push((f.display_name(), f.doc.to_string()));
+    }
+    let refs: Vec<(String, &str)> = docs.iter().map(|(n, j)| (n.clone(), j.as_str())).collect();
+    check_name_conflicts(&refs)
+}
+
+/// Serialize the whole model to a single self-describing JSON for the project file. Stores each
+/// file's path/kind + its (synced) document, plus the names document, enough to fully restore.
+pub fn save_to_path(model: &mut TranslationModel, path: &Path) -> Result<(), String> {
+    model.sync_docs();
+    let files: Vec<Value> = model
+        .files
+        .iter()
+        .map(|f| {
+            serde_json::json!({
+                "path": f.path.to_string_lossy(),
+                "kind": f.kind.tag(),
+                "doc": f.doc,
+            })
+        })
+        .collect();
+    let root = serde_json::json!({
+        "wolfdawn_translation": 1,
+        "data_dir": model.data_dir.to_string_lossy(),
+        "files": files,
+        "names": model.names_doc,
+    });
+    let text = serde_json::to_string_pretty(&root).map_err(|e| e.to_string())?;
+    std::fs::write(path, text).map_err(|e| e.to_string())
+}
+
+/// Restore a model previously written by [`save_to_path`].
+pub fn load_from_path(path: &Path) -> Result<TranslationModel, String> {
+    let text = std::fs::read_to_string(path).map_err(|e| e.to_string())?;
+    let root: Value = serde_json::from_str(&text).map_err(|e| e.to_string())?;
+    if root.get("wolfdawn_translation").is_none() {
+        return Err("not a WolfDawn translation project file".into());
+    }
+    let data_dir = PathBuf::from(root.get("data_dir").and_then(Value::as_str).unwrap_or(""));
+    let mut files = Vec::new();
+    if let Some(arr) = root.get("files").and_then(Value::as_array) {
+        for f in arr {
+            let path = PathBuf::from(f.get("path").and_then(Value::as_str).unwrap_or(""));
+            let kind = match f.get("kind").and_then(Value::as_str).unwrap_or("") {
+                "map" => FileKind::Map,
+                "common" => FileKind::CommonEvent,
+                "db" => FileKind::Database,
+                "gamedat" => FileKind::GameDat,
+                "txt" => FileKind::TxtEvent,
+                other => return Err(format!("unknown file kind {other:?} in project file")),
+            };
+            let doc = f.get("doc").cloned().unwrap_or(Value::Null);
+            let rows = match kind {
+                FileKind::Map | FileKind::CommonEvent => rows_from_scenes(&doc),
+                FileKind::Database => rows_from_db(&doc),
+                FileKind::GameDat => rows_from_gamedat(&doc),
+                FileKind::TxtEvent => rows_from_txt(&doc),
+            };
+            files.push(FileEntry { path, kind, rows, doc });
+        }
+    }
+    let names_doc = root.get("names").cloned().unwrap_or(Value::Null);
+    let names = rows_from_names(&names_doc);
+    Ok(TranslationModel { data_dir, files, names, names_doc })
+}
+
+// --- small helpers (mirror the CLI's) ---------------------------------------------------------
+
+/// Relative path of `path` under `base`, as a `PathBuf` for re-joining under an output dir.
+fn rel(base: &Path, path: &Path) -> PathBuf {
+    path.strip_prefix(base).unwrap_or(path).to_path_buf()
+}
+
+/// Collect every `*.json` under `path` (recursively for a dir, the file itself if it is a `.json`).
+fn collect_json_files(path: &Path, out: &mut Vec<PathBuf>) {
+    if path.is_dir() {
+        let Ok(rd) = std::fs::read_dir(path) else {
+            return;
+        };
+        for e in rd.flatten() {
+            collect_json_files(&e.path(), out);
+        }
+    } else if path.extension().and_then(|s| s.to_str()) == Some("json") {
+        out.push(path.to_path_buf());
+    }
+}
+
+#[cfg(test)]
+mod tests {
+    use super::*;
+
+    /// Resolve a fixture by its clean relative path under `WOLFDAWN_TEST_DATA`. Returns `None` when
+    /// the var is unset or the file/dir is missing, so the data-dependent tests skip gracefully.
+    fn test_data(rel: &str) -> Option<PathBuf> {
+        let base = std::env::var_os("WOLFDAWN_TEST_DATA")?;
+        let p = std::path::Path::new(&base).join(rel);
+        p.exists().then_some(p)
+    }
+
+    /// The shared Data-dir fixture. Tests skip gracefully when it is absent (CI without the corpus).
+    fn fixture_dir() -> Option<PathBuf> {
+        test_data("chamber/Data")
+            .filter(|d| d.join("BasicData").join("CommonEvent.dat").exists())
+    }
+
+    fn tmp_out(tag: &str) -> PathBuf {
+        let p = std::env::temp_dir().join(format!(
+            "wolfdawn_tr_{tag}_{}_{}",
+            std::process::id(),
+            std::time::SystemTime::now()
+                .duration_since(std::time::UNIX_EPOCH)
+                .map(|d| d.as_nanos())
+                .unwrap_or(0)
+        ));
+        let _ = std::fs::create_dir_all(&p);
+        p
+    }
+
+    /// A self-contained data dir with one event-text `.txt` (no external fixture needed) round-trips
+    /// through the model: extract picks it up as a TxtEvent entry with the dialogue (not the `/`
+    /// command lines), and an edit injects back into the file byte-aware while the commands survive.
+    #[test]
+    fn txt_event_round_trip_through_model() {
+        let dir = tmp_out("txt");
+        let evt = dir.join("Evtext");
+        std::fs::create_dir_all(&evt).unwrap();
+        let txt_path = evt.join("scene.txt");
+        // UTF-8 so the test needs no encoding crate; the extractor detects UTF-8 vs Shift-JIS.
+        let original = "/evcg,a0\r\nアイリス：\r\n元のセリフ\r\n/b\r\n";
+        std::fs::write(&txt_path, original.as_bytes()).unwrap();
+
+        let mut outcome = extract_model(&dir, |_, _| {}).expect("extract");
+        let entry = outcome
+            .model
+            .files
+            .iter_mut()
+            .find(|f| f.kind == FileKind::TxtEvent)
+            .expect("a TxtEvent entry from the .txt");
+        assert!(
+            entry.rows.iter().any(|r| r.source == "元のセリフ"),
+            "the dialogue line should be extracted"
+        );
+        assert!(
+            entry.rows.iter().all(|r| !r.source.starts_with('/')),
+            "no /command or //comment line should be extracted"
+        );
+
+        // Edit the dialogue line, inject in place.
+        let row = entry.rows.iter_mut().find(|r| r.source == "元のセリフ").unwrap();
+        row.translation = "新しいセリフ".to_string();
+        let reports = inject_model(
+            &mut outcome.model,
+            &InjectOptions::default(),
+            &InjectTarget::InPlace,
+            |_, _| {},
+        )
+        .expect("inject");
+        assert!(reports.iter().any(|r| r.applied >= 1), "the txt edit should apply");
+
+        // The file now holds the new text, the old text is gone, and the commands are intact.
+        let after = std::fs::read_to_string(&txt_path).unwrap();
+        assert!(after.contains("新しいセリフ"), "edited text present");
+        assert!(!after.contains("元のセリフ"), "old text gone");
+        assert!(after.contains("/evcg,a0") && after.contains("/b"), "command lines intact");
+        let _ = std::fs::remove_dir_all(&dir);
+    }
+
+    /// Extract -> edit one row -> inject to a temp out dir -> re-extract -> the edit is present.
+    /// Proves extract->edit->inject works through the GUI's own code paths.
+    #[test]
+    fn round_trip_extract_edit_inject() {
+        let Some(dir) = fixture_dir() else {
+            eprintln!("skip round_trip_extract_edit_inject: fixture not present");
+            return;
+        };
+        let mut outcome = extract_model(&dir, |_, _| {}).expect("extract");
+        let model = &mut outcome.model;
+        assert!(!model.files.is_empty(), "should have extracted at least one file");
+        assert!(model.total_rows() > 0, "model should have non-empty rows");
+
+        // Find the first file with at least one row and edit its first row.
+        let (fi, edited_source, edited_text) = {
+            let f = model
+                .files
+                .iter_mut()
+                .find(|f| !f.rows.is_empty())
+                .expect("a file with rows");
+            let row = &mut f.rows[0];
+            let src = row.source.clone();
+            let new = format!("{src} [EDITED-BY-TEST]");
+            row.translation = new.clone();
+            (f.path.clone(), src, new)
+        };
+
+        let out = tmp_out("rt");
+        let reports = inject_model(
+            model,
+            &InjectOptions::default(),
+            &InjectTarget::OutDir(out.clone()),
+            |_, _| {},
+        )
+        .expect("inject");
+        assert!(reports.iter().any(|r| r.applied >= 1), "at least one translation applied");
+
+        // Re-extract from the output dir and confirm the edit survived the byte-exact round-trip.
+        let re = extract_model(&out, |_, _| {}).expect("re-extract");
+        let same_file = re
+            .model
+            .files
+            .iter()
+            .find(|f| f.path.file_name() == fi.file_name())
+            .expect("the edited file re-extracted");
+        let found = same_file
+            .rows
+            .iter()
+            .any(|r| r.source == edited_text || r.translation == edited_text);
+        assert!(found, "the injected edit {edited_text:?} should re-extract (source was {edited_source:?})");
+
+        let _ = std::fs::remove_dir_all(&out);
+    }
+
+    /// en-punct: a translation containing 「」, injected with normalize_punct=true, re-extracts as
+    /// ASCII quotes.
+    #[test]
+    fn en_punct_normalizes_brackets() {
+        let Some(dir) = fixture_dir() else {
+            eprintln!("skip en_punct_normalizes_brackets: fixture not present");
+            return;
+        };
+        let mut outcome = extract_model(&dir, |_, _| {}).expect("extract");
+        let model = &mut outcome.model;
+
+        // Pick a CLEAN source row (no inline `\code`, `@window` prefix, or `<R>/<C>` tag, and no
+        // newlines) so replacing it wholesale with a bracketed translation can never trip the
+        // control-code guard, and the assertion is unambiguous. Set it to a fixed `「Hello」`.
+        let marker = "「Hello」";
+        let edited_loc = {
+            let mut chosen: Option<(usize, usize)> = None;
+            'outer: for (fi, f) in model.files.iter().enumerate() {
+                for (ri, r) in f.rows.iter().enumerate() {
+                    if !r.source.contains(['\\', '@', '<', '>', '\n']) && !r.source.is_empty() {
+                        chosen = Some((fi, ri));
+                        break 'outer;
+                    }
+                }
+            }
+            let (fi, ri) = chosen.expect("a clean source row");
+            model.files[fi].rows[ri].translation = marker.to_string();
+            (fi, ri)
+        };
+
+        let out = tmp_out("punct");
+        let opts = InjectOptions {
+            normalize_punct: true,
+            ..Default::default()
+        };
+        let reports =
+            inject_model(model, &opts, &InjectTarget::OutDir(out.clone()), |_, _| {}).expect("inject");
+        assert!(reports.iter().any(|r| r.applied >= 1), "the en-punct edit should apply");
+
+        // Re-extract from the output dir: the brackets must have become ASCII double quotes.
+        let re = extract_model(&out, |_, _| {}).expect("re-extract");
+        let edited_file = &model.files[edited_loc.0];
+        let same = re
+            .model
+            .files
+            .iter()
+            .find(|f| f.path.file_name() == edited_file.path.file_name())
+            .expect("edited file re-extracted");
+        let found = same.rows.iter().any(|r| r.source == "\"Hello\"");
+        assert!(
+            found,
+            "en-punct should have produced ASCII quotes (\"Hello\"); re-extracted sources did not contain it"
+        );
+
+        let _ = std::fs::remove_dir_all(&out);
+    }
+
+    /// Save then load restores the model's rows and edits.
+    #[test]
+    fn save_load_round_trip() {
+        let Some(dir) = fixture_dir() else {
+            eprintln!("skip save_load_round_trip: fixture not present");
+            return;
+        };
+        let mut outcome = extract_model(&dir, |_, _| {}).expect("extract");
+        let model = &mut outcome.model;
+        let total = model.total_rows();
+        // Edit a row so we can assert the translation survives save/load.
+        let edited = {
+            let f = model.files.iter_mut().find(|f| !f.rows.is_empty()).expect("rows");
+            f.rows[0].translation = format!("{} [SAVED]", f.rows[0].source);
+            f.rows[0].translation.clone()
+        };
+
+        let out = tmp_out("save");
+        let proj_file = out.join("project.wdtr.json");
+        save_to_path(model, &proj_file).expect("save");
+        let restored = load_from_path(&proj_file).expect("load");
+        assert_eq!(restored.total_rows(), total, "row count should survive save/load");
+        let found = restored
+            .files
+            .iter()
+            .flat_map(|f| f.rows.iter())
+            .any(|r| r.translation == edited);
+        assert!(found, "the edited translation should survive save/load");
+
+        let _ = std::fs::remove_dir_all(&out);
+    }
+}
diff --git a/util/wolfdawn-master/crates/wolf-gui/src/verify.rs b/util/wolfdawn-master/crates/wolf-gui/src/verify.rs
new file mode 100644
index 0000000..5fe02da
--- /dev/null
+++ b/util/wolfdawn-master/crates/wolf-gui/src/verify.rs
@@ -0,0 +1,376 @@
+//! The Verify section's headless logic: round-trip a data file (or a whole corpus) to prove the
+//! library reads and re-writes it without loss. The same check the CLI's `verify-roundtrip` runs.
+//!
+//! A round-trip is `write(read(bytes)) == bytes`: parse the file with the matching `wolf_formats`
+//! reader, re-serialise it, and compare against the original bytes. A match is PASS (byte-exact). A
+//! mismatch is FAIL with the first-differing offset for diagnosis. An unreadable file is an error.
+//! This module mirrors `cmd.rs`'s `classify` / `roundtrip_path` / `verify_corpus` exactly, so the
+//! GUI and CLI agree on what "verified" means.
+
+use std::path::{Path, PathBuf};
+
+use wolf_formats::common_event::CommonEventsFile;
+use wolf_formats::database::{BasicDatabase, Database};
+use wolf_formats::game_dat::GameDat;
+use wolf_formats::map::Map;
+
+/// Which kind of file we're verifying. Decides the reader/writer pair, mirroring the CLI's
+/// `FileKind` + `classify`.
+#[derive(Clone, Copy, PartialEq, Eq, Debug)]
+enum FileKind {
+    Map,
+    CommonEvent,
+    GameDat,
+    /// A database, represented by its `.project` (the `.dat` sibling is paired in).
+    Database,
+    /// Legacy `SysDatabaseBasic` (Wolf 2.x): schema-only `.project` + opaque `.dat`.
+    BasicDatabase,
+    Unsupported,
+}
+
+/// Classify a path by extension/name, exactly like the CLI's `classify`.
+fn classify(path: &Path) -> FileKind {
+    let ext = path
+        .extension()
+        .and_then(|s| s.to_str())
+        .unwrap_or("")
+        .to_ascii_lowercase();
+    let name = path
+        .file_name()
+        .and_then(|s| s.to_str())
+        .unwrap_or("")
+        .to_ascii_lowercase();
+    match ext.as_str() {
+        "mps" => FileKind::Map,
+        "project" if name == "sysdatabasebasic.project" => FileKind::BasicDatabase,
+        "dat" if name == "sysdatabasebasic.dat" => FileKind::BasicDatabase,
+        "project" => FileKind::Database,
+        "dat" if name == "commonevent.dat" => FileKind::CommonEvent,
+        "dat" if name == "game.dat" => FileKind::GameDat,
+        // A .dat with a sibling .project is the value half of a database.
+        "dat" if path.with_extension("project").exists() => FileKind::Database,
+        _ => FileKind::Unsupported,
+    }
+}
+
+/// True when the file is one verify understands (so the corpus walk knows what to include and the
+/// single-file flow can warn early on an unsupported pick).
+pub fn is_supported(path: &Path) -> bool {
+    !matches!(classify(path), FileKind::Unsupported)
+}
+
+/// The verdict of one file's round-trip.
+#[derive(Clone, PartialEq, Eq, Debug)]
+pub enum Verdict {
+    /// `write(read(bytes)) == bytes`, byte-exact.
+    Pass,
+    /// Parsed and re-serialised, but the output differs. Carries the first-differing byte offset
+    /// and the two lengths, for a clear diagnostic.
+    Fail {
+        /// Index of the first differing byte (or the shorter length when one is a prefix of the other).
+        offset: usize,
+        original_len: usize,
+        rewritten_len: usize,
+    },
+    /// The file could not be read/parsed (unreadable, unsupported, or a parse error). Carries the
+    /// message.
+    Error(String),
+}
+
+impl Verdict {
+    /// A short status word for the UI/log (`PASS` / `FAIL` / `ERR`).
+    pub fn tag(&self) -> &'static str {
+        match self {
+            Verdict::Pass => "PASS",
+            Verdict::Fail { .. } => "FAIL",
+            Verdict::Error(_) => "ERR",
+        }
+    }
+
+    /// A one-line human description of the verdict (the diagnostic).
+    pub fn detail(&self) -> String {
+        match self {
+            Verdict::Pass => "byte-exact round-trip".to_string(),
+            Verdict::Fail {
+                offset,
+                original_len,
+                rewritten_len,
+            } => format!(
+                "differs at byte {offset} (original {original_len} bytes, rewritten {rewritten_len} bytes)"
+            ),
+            Verdict::Error(e) => e.clone(),
+        }
+    }
+
+    pub fn is_pass(&self) -> bool {
+        matches!(self, Verdict::Pass)
+    }
+}
+
+/// The index of the first byte that differs between `a` and `b` (or the shorter length when one is
+/// a strict prefix of the other). Used to build the [`Verdict::Fail`] diagnostic.
+fn first_diff(a: &[u8], b: &[u8]) -> usize {
+    a.iter().zip(b.iter()).position(|(x, y)| x != y).unwrap_or_else(|| a.len().min(b.len()))
+}
+
+/// Compare an original buffer to a re-serialised one, producing [`Verdict::Pass`] or a
+/// [`Verdict::Fail`] with the first-differing offset.
+fn compare(original: &[u8], rewritten: Vec<u8>) -> Verdict {
+    if rewritten == original {
+        Verdict::Pass
+    } else {
+        Verdict::Fail {
+            offset: first_diff(original, &rewritten),
+            original_len: original.len(),
+            rewritten_len: rewritten.len(),
+        }
+    }
+}
+
+/// Round-trip a single file, returning the [`Verdict`]. Reads the file, parses it with the matching
+/// `wolf_formats` reader, re-serialises, and compares. Same logic as the CLI's `roundtrip_path`,
+/// but returning a structured verdict (with the diff offset) instead of a bare bool.
+///
+/// For a database the `.project` is the canonical handle and its sibling `.dat` is paired in. Both
+/// halves must re-serialise byte-exact to PASS.
+pub fn verify_file(path: &Path) -> Verdict {
+    let bytes = match std::fs::read(path) {
+        Ok(b) => b,
+        Err(e) => return Verdict::Error(format!("cannot read {}: {e}", path.display())),
+    };
+    match classify(path) {
+        FileKind::Map => match Map::read(&bytes) {
+            Ok(m) => compare(&bytes, m.write()),
+            Err(e) => Verdict::Error(e.to_string()),
+        },
+        FileKind::CommonEvent => match CommonEventsFile::read(&bytes) {
+            Ok(ce) => compare(&bytes, ce.write()),
+            Err(e) => Verdict::Error(e.to_string()),
+        },
+        FileKind::GameDat => match GameDat::read(&bytes) {
+            Ok(gd) => compare(&bytes, gd.write()),
+            Err(e) => Verdict::Error(e.to_string()),
+        },
+        FileKind::Database => {
+            // `path` may be the .project or its .dat. Verify the pair via the .project.
+            let proj_path = path.with_extension("project");
+            let dat_path = path.with_extension("dat");
+            let (proj_bytes, dat_bytes) =
+                match (std::fs::read(&proj_path), std::fs::read(&dat_path)) {
+                    (Ok(p), Ok(d)) => (p, d),
+                    _ => {
+                        return Verdict::Error(format!(
+                            "cannot read DB pair {} + {}",
+                            proj_path.display(),
+                            dat_path.display()
+                        ))
+                    }
+                };
+            match Database::read(&proj_bytes, &dat_bytes) {
+                Ok(db) => {
+                    let (proj_out, dat_out) = db.write();
+                    // Report the .project diff first, then the .dat.
+                    let proj_v = compare(&proj_bytes, proj_out);
+                    if !proj_v.is_pass() {
+                        return proj_v;
+                    }
+                    compare(&dat_bytes, dat_out)
+                }
+                Err(e) => Verdict::Error(e.to_string()),
+            }
+        }
+        FileKind::BasicDatabase => {
+            let proj_path = path.with_extension("project");
+            let dat_path = path.with_extension("dat");
+            let (proj_bytes, dat_bytes) =
+                match (std::fs::read(&proj_path), std::fs::read(&dat_path)) {
+                    (Ok(p), Ok(d)) => (p, d),
+                    _ => {
+                        return Verdict::Error(format!(
+                            "cannot read DB pair {} + {}",
+                            proj_path.display(),
+                            dat_path.display()
+                        ))
+                    }
+                };
+            match BasicDatabase::read(&proj_bytes, &dat_bytes) {
+                Ok(db) => {
+                    let (proj_out, dat_out) = db.write();
+                    let proj_v = compare(&proj_bytes, proj_out);
+                    if !proj_v.is_pass() {
+                        return proj_v;
+                    }
+                    compare(&dat_bytes, dat_out)
+                }
+                Err(e) => Verdict::Error(e.to_string()),
+            }
+        }
+        FileKind::Unsupported => {
+            Verdict::Error("not a verifiable file type (.mps, CommonEvent.dat, Game.dat, .project)".to_string())
+        }
+    }
+}
+
+/// One file's result in a corpus run: its path relative to the corpus root + its verdict.
+pub struct CorpusRow {
+    pub rel: String,
+    pub verdict: Verdict,
+}
+
+/// A whole corpus verify run: the per-file rows + the pass/total summary.
+pub struct CorpusOutcome {
+    pub rows: Vec<CorpusRow>,
+}
+
+impl CorpusOutcome {
+    /// How many rows passed (byte-exact).
+    pub fn passed(&self) -> usize {
+        self.rows.iter().filter(|r| r.verdict.is_pass()).count()
+    }
+    /// How many rows failed (parsed but differed).
+    pub fn failed(&self) -> usize {
+        self.rows.iter().filter(|r| matches!(r.verdict, Verdict::Fail { .. })).count()
+    }
+    /// How many rows errored (could not parse).
+    pub fn errored(&self) -> usize {
+        self.rows.iter().filter(|r| matches!(r.verdict, Verdict::Error(_))).count()
+    }
+    /// Total rows checked.
+    pub fn total(&self) -> usize {
+        self.rows.len()
+    }
+}
+
+/// Recursively collect every file under `dir` (depth-first), like the CLI's `collect`.
+fn collect(dir: &Path, out: &mut Vec<PathBuf>) {
+    let Ok(entries) = std::fs::read_dir(dir) else {
+        return;
+    };
+    for entry in entries.flatten() {
+        let p = entry.path();
+        if p.is_dir() {
+            collect(&p, out);
+        } else {
+            out.push(p);
+        }
+    }
+}
+
+/// Path of `path` relative to `base` (for the per-file table), like the CLI's `rel`.
+fn rel(base: &Path, path: &Path) -> String {
+    path.strip_prefix(base).unwrap_or(path).display().to_string()
+}
+
+/// Walk every supported file under `dir`, round-trip each, and return the per-file rows + summary.
+/// The `verify-roundtrip --corpus` path. The lone `.dat` half of a database is skipped (it is
+/// verified through its `.project`, matching the CLI). `report` drives a progress bar. Pass a no-op
+/// in tests.
+pub fn verify_corpus(dir: &Path, mut report: impl FnMut(f32, String)) -> Result<CorpusOutcome, String> {
+    if !dir.is_dir() {
+        return Err(format!("{} is not a folder", dir.display()));
+    }
+    report(0.0, "scanning folder…".to_string());
+    let mut files: Vec<PathBuf> = Vec::new();
+    collect(dir, &mut files);
+    files.sort();
+
+    // Keep only the files verify understands. Drop the lone .dat half of a DB pair (verified via the
+    // .project) so each pair is checked once.
+    let to_check: Vec<PathBuf> = files
+        .into_iter()
+        .filter(|p| match classify(p) {
+            FileKind::Unsupported => false,
+            FileKind::Database | FileKind::BasicDatabase
+                if p.extension().and_then(|s| s.to_str()) == Some("dat") =>
+            {
+                false
+            }
+            _ => true,
+        })
+        .collect();
+
+    if to_check.is_empty() {
+        return Err(format!("no verifiable files found under {}", dir.display()));
+    }
+
+    let total = to_check.len();
+    let mut rows = Vec::with_capacity(total);
+    for (i, path) in to_check.iter().enumerate() {
+        let r = rel(dir, path);
+        report((i as f32) / (total as f32), format!("verify {r}"));
+        let verdict = verify_file(path);
+        rows.push(CorpusRow { rel: r, verdict });
+    }
+    report(1.0, "done".to_string());
+    Ok(CorpusOutcome { rows })
+}
+
+#[cfg(test)]
+mod tests {
+    use super::*;
+
+    /// Resolve a fixture by its clean relative path under `WOLFDAWN_TEST_DATA`. Returns `None` when
+    /// the var is unset or the file/dir is missing, so the data-dependent tests skip gracefully.
+    fn test_data(rel: &str) -> Option<PathBuf> {
+        let base = std::env::var_os("WOLFDAWN_TEST_DATA")?;
+        let p = Path::new(&base).join(rel);
+        p.exists().then_some(p)
+    }
+
+    /// A known-good plaintext data file from the fixtures root should verify PASS through the
+    /// section's own code path. Read-only. Skips when absent.
+    #[test]
+    fn verify_single_known_good_passes() {
+        let Some(path) = [
+            "chamber/Data/MapData/TitleMap.mps",
+            "chamber/Data/BasicData/Game.dat",
+            "chamber/Data/BasicData/CommonEvent.dat",
+            "chamber/Data/BasicData/DataBase.project",
+        ]
+        .iter()
+        .find_map(|r| test_data(r)) else {
+            eprintln!("skip verify_single_known_good_passes: no data fixture present");
+            return;
+        };
+        let verdict = verify_file(&path);
+        assert!(
+            verdict.is_pass(),
+            "{} should round-trip byte-exact, got {:?}: {}",
+            path.display(),
+            verdict.tag(),
+            verdict.detail()
+        );
+    }
+
+    /// A corpus walk over the fixtures Data dir produces rows and a sensible summary. Assert it
+    /// runs and at least one file passes. Do not require zero failures (the corpus may include
+    /// edge files), matching the CLI's tolerant report.
+    #[test]
+    fn verify_corpus_runs() {
+        let Some(dir) = test_data("chamber/Data").filter(|p| p.is_dir()) else {
+            eprintln!("skip verify_corpus_runs: data fixture not present");
+            return;
+        };
+        let outcome = verify_corpus(&dir, |_, _| {}).expect("corpus verify");
+        assert!(outcome.total() > 0, "corpus should have verifiable files");
+        assert!(outcome.passed() > 0, "at least one file should pass");
+        assert_eq!(
+            outcome.passed() + outcome.failed() + outcome.errored(),
+            outcome.total(),
+            "every row has exactly one verdict"
+        );
+    }
+
+    /// An unsupported file type reports an error verdict, not a panic.
+    #[test]
+    fn unsupported_file_errors() {
+        let tmp = std::env::temp_dir().join(format!("wolfdawn_verify_unsup_{}", std::process::id()));
+        let _ = std::fs::create_dir_all(&tmp);
+        let f = tmp.join("notes.txt");
+        std::fs::write(&f, b"hello").unwrap();
+        let v = verify_file(&f);
+        assert!(matches!(v, Verdict::Error(_)), "txt should be an error verdict");
+        assert!(!is_supported(&f));
+        let _ = std::fs::remove_dir_all(&tmp);
+    }
+}
diff --git a/util/wolfdawn-master/crates/wolf-gui/src/widgets.rs b/util/wolfdawn-master/crates/wolf-gui/src/widgets.rs
new file mode 100644
index 0000000..b83a2d2
--- /dev/null
+++ b/util/wolfdawn-master/crates/wolf-gui/src/widgets.rs
@@ -0,0 +1,228 @@
+//! Reusable UI pieces: native file dialogs (thin `rfd` wrappers) and the small labelled
+//! controls the sections lean on heavily (a checkbox-with-tooltip and a path-field-plus-Browse).
+//!
+//! An option flag like `--en-punct` becomes one `labeled_checkbox(...)` call, and a path argument
+//! becomes one `path_field(...)` call, with the tooltip and Browse button handled here. Every
+//! non-obvious control gets a plain-language tooltip.
+
+// Shared widget/dialog toolkit. Some helpers are not wired into a section yet, so allow dead code
+// here rather than annotating each one.
+#![allow(dead_code)]
+
+use std::path::PathBuf;
+
+// ----------------------------------------------------------------------------
+// File dialogs (rfd)
+// ----------------------------------------------------------------------------
+
+/// Pick an existing folder. `None` if the user cancels.
+pub fn pick_folder() -> Option<PathBuf> {
+    rfd::FileDialog::new().pick_folder()
+}
+
+/// Pick an existing folder, starting the dialog at `start` when it exists.
+pub fn pick_folder_in(start: Option<&std::path::Path>) -> Option<PathBuf> {
+    let mut dlg = rfd::FileDialog::new();
+    if let Some(dir) = start.filter(|p| p.is_dir()) {
+        dlg = dlg.set_directory(dir);
+    }
+    dlg.pick_folder()
+}
+
+/// Pick an existing file. `filters` is a list of `(label, &[extensions])`, e.g.
+/// `&[("Wolf archive", &["wolf"]), ("Game data", &["dat"])]`. `None` if cancelled.
+pub fn pick_file(filters: &[(&str, &[&str])]) -> Option<PathBuf> {
+    let mut dlg = rfd::FileDialog::new();
+    for (label, exts) in filters {
+        dlg = dlg.add_filter(*label, exts);
+    }
+    dlg.pick_file()
+}
+
+/// Pick an existing file, starting the dialog in `start` when it is a directory. `filters` is a list
+/// of `(label, &[extensions])`. `None` if cancelled.
+pub fn pick_file_in(start: Option<&std::path::Path>, filters: &[(&str, &[&str])]) -> Option<PathBuf> {
+    let mut dlg = rfd::FileDialog::new();
+    if let Some(dir) = start.filter(|p| p.is_dir()) {
+        dlg = dlg.set_directory(dir);
+    }
+    for (label, exts) in filters {
+        dlg = dlg.add_filter(*label, exts);
+    }
+    dlg.pick_file()
+}
+
+/// Choose a destination path for a save, pre-filled with `default_name`. `None` if cancelled.
+pub fn save_file(default_name: &str, filters: &[(&str, &[&str])]) -> Option<PathBuf> {
+    let mut dlg = rfd::FileDialog::new().set_file_name(default_name);
+    for (label, exts) in filters {
+        dlg = dlg.add_filter(*label, exts);
+    }
+    dlg.save_file()
+}
+
+// ----------------------------------------------------------------------------
+// Reusable controls
+// ----------------------------------------------------------------------------
+
+/// A checkbox with a label and a hover tooltip. Returns `true` if the value changed this frame.
+/// Sections use this for optional flags (`--en-punct`, `--allow-code-drift`, encrypt toggles…).
+pub fn labeled_checkbox(ui: &mut egui::Ui, value: &mut bool, label: &str, tooltip: &str) -> bool {
+    ui.checkbox(value, label).on_hover_text(tooltip).changed()
+}
+
+// ----------------------------------------------------------------------------
+// Aligned form rows (shared layout for every section)
+// ----------------------------------------------------------------------------
+//
+// These helpers give one consistent layout: a fixed-width left LABEL column, an input that FILLS
+// the remaining width (so every input in a section shares the same left AND right edge), and a
+// fixed right-hand BUTTON area for Browse/× so those align too. The input fills available width
+// rather than taking a fixed pixel width, which keeps rows uniform and responsive to window size.
+
+/// The fixed width (px) of a form row's left label column. Wide enough for the longest labels used
+/// across the sections ("Start-up message", "Default PC graphic", "Output folder", …) so every
+/// input starts at the same x regardless of its label.
+pub const LABEL_COL_W: f32 = 128.0;
+
+/// The reserved width (px) of a path row's right-hand button area. Room for "Browse… ×" so the
+/// Browse buttons (and the optional clear ×) line up in a fixed column across a section.
+pub const BTN_COL_W: f32 = 128.0;
+
+/// Emit `label` into a fixed-width [`LABEL_COL_W`] left cell (left-aligned, vertically centred to
+/// match the adjacent control), then run `content` for the rest of the row inside one
+/// `ui.horizontal`. The label's `Response` carries `tooltip`. Returns whatever `content` returns.
+///
+/// The other form helpers (and the sections' bespoke rows) build on this, so every labelled row
+/// across the app shares the same left column and baseline.
+pub fn form_row<R>(
+    ui: &mut egui::Ui,
+    label: &str,
+    tooltip: &str,
+    content: impl FnOnce(&mut egui::Ui) -> R,
+) -> R {
+    ui.horizontal(|ui| {
+        // Reserve an EXACT fixed-width cell for the label. `allocate_ui_with_layout` advances the
+        // cursor by the label's width, not the desired width, so short labels leave each row's input
+        // starting at a different x. `allocate_exact_size` reserves the full column unconditionally,
+        // so every input begins at a constant x and is uniform width. The label is painted (clipped
+        // to the cell) like `nav_button`.
+        let h = ui.spacing().interact_size.y;
+        let (rect, resp) = ui.allocate_exact_size(egui::vec2(LABEL_COL_W, h), egui::Sense::hover());
+        let font = egui::TextStyle::Body.resolve(ui.style());
+        let color = ui.visuals().widgets.noninteractive.fg_stroke.color;
+        ui.painter().with_clip_rect(rect).text(
+            egui::pos2(rect.left(), rect.center().y),
+            egui::Align2::LEFT_CENTER,
+            label,
+            font,
+            color,
+        );
+        if !tooltip.is_empty() {
+            resp.on_hover_text(tooltip);
+        }
+        content(ui)
+    })
+    .inner
+}
+
+/// A labelled path row: a read-only [`TextEdit`] that FILLS the row up to a common right edge
+/// (`available_width - BTN_COL_W`), followed by a "Browse…" button (and, when `clearable`, a ×) in
+/// the reserved right-hand area. Because the input fills to a fixed offset from the right, every
+/// path row in a section is identical width and every Browse lines up. When the button is pressed
+/// `browse` produces a new path. A returned `Some` replaces `value`. Returns `true` when `value`
+/// changed this frame. Shows a placeholder when empty.
+pub fn path_row(
+    ui: &mut egui::Ui,
+    label: &str,
+    value: &mut Option<PathBuf>,
+    tooltip: &str,
+    clearable: bool,
+    browse: impl FnOnce() -> Option<PathBuf>,
+) -> bool {
+    let mut changed = false;
+    form_row(ui, label, tooltip, |ui| {
+        // The input fills everything except the reserved right-hand button area, so it ends at a
+        // common x and the Browse button(s) line up across the section.
+        let input_w = (ui.available_width() - BTN_COL_W).max(80.0);
+        // Editable: the text is derived from `value` each frame and written straight back when the
+        // user types, so a path can be typed directly (for example naming an output folder
+        // "extracted") without the Browse dialog. Browse still fills it for those who prefer it.
+        let mut text = value
+            .as_ref()
+            .map(|p| p.display().to_string())
+            .unwrap_or_default();
+        let resp = ui.add(
+            egui::TextEdit::singleline(&mut text)
+                .hint_text("type a path or use Browse…")
+                .desired_width(input_w),
+        );
+        if resp.changed() {
+            let t = text.trim();
+            *value = if t.is_empty() { None } else { Some(PathBuf::from(t)) };
+            changed = true;
+        }
+        if ui.button("Browse…").on_hover_text(tooltip).clicked() {
+            if let Some(picked) = browse() {
+                *value = Some(picked);
+                changed = true;
+            }
+        }
+        if clearable && value.is_some() && ui.button("×").on_hover_text("Clear").clicked() {
+            *value = None;
+            changed = true;
+        }
+    });
+    changed
+}
+
+/// A labelled text-input row: a `&mut String` editor that FILLS the whole remaining row width (no
+/// trailing button), so every text row in a section is uniform full width. `hint` is the
+/// placeholder shown when empty. Returns the input's `Response` so callers can attach a tooltip or
+/// inspect `.changed()`.
+pub fn text_row(
+    ui: &mut egui::Ui,
+    label: &str,
+    value: &mut String,
+    label_tooltip: &str,
+    hint: &str,
+) -> egui::Response {
+    form_row(ui, label, label_tooltip, |ui| {
+        // `desired_width` (not `add_sized`) reliably makes the TextEdit fill the column. `add_sized`
+        // lets TextEdit's intrinsic content sizing win, which left filled rows narrower than empty ones.
+        let avail = ui.available_width().max(80.0);
+        ui.add(egui::TextEdit::singleline(value).hint_text(hint).desired_width(avail))
+    })
+}
+
+/// A read-only path field followed by a "Browse…" button. Thin wrapper over [`path_row`] (clearable)
+/// that sections call as their entry point. The layout is the shared aligned one.
+pub fn path_field(
+    ui: &mut egui::Ui,
+    label: &str,
+    value: &mut Option<PathBuf>,
+    tooltip: &str,
+    browse: impl FnOnce() -> Option<PathBuf>,
+) -> bool {
+    path_row(ui, label, value, tooltip, true, browse)
+}
+
+/// A small, dimmed caption line, used for the "what this section will do" blurbs.
+pub fn caption(ui: &mut egui::Ui, text: &str) {
+    ui.label(egui::RichText::new(text).weak());
+}
+
+/// The standard "coming soon" body for a not-yet-built section: a heading, a one-line description
+/// of what the section will do, and the phase it lands in. Keeps the full nav shape visible now.
+pub fn coming_soon(ui: &mut egui::Ui, phase: u8, description: &str) {
+    ui.add_space(8.0);
+    ui.heading("Coming soon");
+    ui.add_space(4.0);
+    caption(ui, description);
+    ui.add_space(8.0);
+    ui.label(
+        egui::RichText::new(format!("Planned for Phase {phase}."))
+            .italics()
+            .weak(),
+    );
+}