worldbox-observer-mod/docs/event-reason.md
2026-07-16 00:40:53 -05:00

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# Event reasons (camera + orange dossier)
## Contract
Registered **events** own the idle camera.
`EventStrength` / `TotalScore` ranks who wins.
Character fill runs only when the pending **EventLed** queue is empty, and uses an empty Label (task chip only).
Orange dossier reason = the owning events `Label` while the scene is active (`InterestDirector.TryGetOwnedReasonCandidate`).
Quiet grace / inactive dwell clears the reason even if focus has not switched yet.
## EventReason
[`IdleSpectator/Events/EventReason.cs`](../IdleSpectator/Events/EventReason.cs) is the sole Label factory for camera candidates.
It lives in the Events module with catalogs (not in the director).
Feeds call typed helpers (`Fight`, `BuildingEat`, `SeekingLover`, …) or `Apply(template, a, b, id)`.
## Events module layout
| Path | Role |
|------|------|
| `Events/EventCatalog.cs` (+ `Catalogs/EventCatalog.*.cs`) | **One inventory** - nested domains (`Status`, `Combat`, …) |
| `Events/Feeds/` | Build + register candidates from catalog dials |
| `Events/Patches/` | Harmony hooks → feeds |
| `Events/EventReason.cs` | Orange reason sentences |
| `Events/EventFeedUtil.cs` | Shared Register path |
| `Events/DiscreteEventEntry.cs` | Shared catalog row shape |
`InterestDirector` only ranks registered candidates for the camera - it does not author event inventory.
Rules:
- Sentence form with names: `{a} is fighting {b}`, `{a} is eating a beehive`, `{a} is seeking a lover`.
- Set `RelatedUnit` when the sentence names a second party.
- Never invent stranger subjects for unit-led events.
- Never use engine jargon that misstates the action (`Consumes a building` → eating/foraging via `BehConsumeTargetBuilding`).
## Removed crumbs
Do not author these as orange reasons:
- `In action`
- bare `Duel` / `Fight (N)` without a named sentence
- identity titles (`King of X`, `Leader of X`, `Lone beetle`)
- `Consumes a building` / `Damages a building: {a}` crumb form
## Strength dial (no ownership enum)
`InterestOwnership` / `OwnsCamera` were removed.
Every registration is EventLed and may own the camera.
`CreatesInterest` gates whether an id registers; `EventStrength` ranks.
Instant cut-in when `next.TotalScore >= current + cutInMargin` (see `scoring-model.json`).
## Dossier display
`UnitDossier.EventLabelBeat` keeps the authored sentence.
It only rejects identity/weak crumbs and scrubs living stranger names (`ReasonNamesStranger` / `LeadsWithForeignName`).
## See also
- [`event-audit.md`](event-audit.md) - full source inventory, MaxWatch classes, drowning policy
- [`scoring-model.md`](scoring-model.md) - score weights