diff --git a/modules/rpgmakermvmz.py b/modules/rpgmakermvmz.py
index 51fa02b..5cf41c4 100644
--- a/modules/rpgmakermvmz.py
+++ b/modules/rpgmakermvmz.py
@@ -49,7 +49,7 @@ _ACTOR_MAP_CACHE_LOCK = threading.Lock()
 _VAR_ACTOR_RE = re.compile(r"\\n\[(\d+)\]", re.IGNORECASE)
 
 # Regex - Need to change this if you want to translate from/to other languages. Default is Japanese Regex
-LANGREGEX = r"[\u3000-\u303F\u3040-\u309F\u30A0-\u30FF\u31F0-\u31FF\u3400-\u4DBF\u4E00-\u9FFF\uF900-\uFAFF\uFF61-\uFF9F]+"
+LANGREGEX = r"[\u3000\u3002-\u3009\u300C-\u303F\u3040-\u309A\u309C-\u30FF\u31F0-\u31FF\u3400-\u4DBF\u4E00-\u9FFF\uF900-\uFAFF\uFF61-\uFF9F]+"
 
 # Get pricing configuration based on the model
 PRICING_CONFIG = getPricingConfig(MODEL)
@@ -2098,6 +2098,15 @@ def searchCodes(page, pbar, jobList, filename):
                             if match:
                                 translatedText = translatedText.replace(match.group(1), "") 
 
+                            # Ensure a space follows sentence-ending punctuation before a capital letter.
+                            # Japanese doesn't use spaces after ！/？, so the AI omits them too.
+                            translatedText = re.sub(r'([!?])([A-Z])', r'\1 \2', translatedText)
+
+                            # Ensure a single space before a run of RPGMaker pause/wait codes
+                            # (\. \! \| \^) when immediately preceded by a word/punctuation char.
+                            # Matches the whole code run at once so no intra-run spaces are added.
+                            translatedText = re.sub(r'([^\s\\])((?:\\[.!|^])+)', r'\1 \2', translatedText)
+
                             # Fix '- '
                             translatedText = translatedText.replace("- ", "-")
 
diff --git a/util/translation.py b/util/translation.py
index 534df6d..aefabc9 100644
--- a/util/translation.py
+++ b/util/translation.py
@@ -1215,10 +1215,14 @@ def calculateCost(inputTokens, outputTokens, model):
             _thread_local.file_cost_ready  = False
             return cost
         # TOTAL call (flag already cleared): return the cross-thread running total.
+        # If _global_accurate_cost is 0 it means no real API calls were made
+        # (e.g. estimate mode), so fall through to the naive calculation below.
         with _global_accurate_cost_lock:
-            return _global_accurate_cost
+            accurate = _global_accurate_cost
+        if accurate > 0:
+            return accurate
 
-    # Non-Claude (or no accurate data available): naive calculation.
+    # Non-Claude, estimate mode, or no accurate data: naive calculation.
     pricing = getPricingConfig(model)
     inputCost  = (inputTokens  / 1_000_000) * pricing["inputAPICost"]
     outputCost = (outputTokens / 1_000_000) * pricing["outputAPICost"]