YeonGyu-Kim
52 lines
2.5 KiB
Markdown
52 lines
2.5 KiB
Markdown
# src/plugin/ — 8 OpenCode Hook Handlers + Hook Composition
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**Generated:** 2026-02-21
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## OVERVIEW
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Core glue layer. 20 source files assembling the 8 OpenCode hook handlers and composing 44 hooks into the PluginInterface. Every handler file corresponds to one OpenCode hook type.
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## HANDLER FILES
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| File | OpenCode Hook | Purpose |
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|------|---------------|---------|
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| `chat-message.ts` | `chat.message` | First-message variant, session setup, keyword detection |
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| `chat-params.ts` | `chat.params` | Anthropic effort level, think mode |
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| `event.ts` | `event` | Session lifecycle (created, deleted, idle, error) |
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| `tool-execute-before.ts` | `tool.execute.before` | Pre-tool guards (file guard, label truncator, rules injector) |
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| `tool-execute-after.ts` | `tool.execute.after` | Post-tool hooks (output truncation, comment checker, metadata) |
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| `messages-transform.ts` | `experimental.chat.messages.transform` | Context injection, thinking block validation |
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| `tool-registry.ts` | `tool` | 26 tools assembled from factories |
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| `skill-context.ts` | — | Skill/browser/category context for tool creation |
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## HOOK COMPOSITION (hooks/ subdir)
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| File | Tier | Count |
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|------|------|-------|
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| `create-session-hooks.ts` | Session | 21 |
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| `create-tool-guard-hooks.ts` | Tool Guard | 10 |
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| `create-transform-hooks.ts` | Transform | 4 |
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| `create-continuation-hooks.ts` | Continuation | 7 |
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| `create-skill-hooks.ts` | Skill | 2 |
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| `create-core-hooks.ts` | Aggregator | Session + Guard + Transform = 35 |
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## SUPPORT FILES
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| File | Purpose |
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|------|---------|
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| `available-categories.ts` | Build `AvailableCategory[]` for agent prompt injection |
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| `session-agent-resolver.ts` | Resolve which agent owns a session |
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| `session-status-normalizer.ts` | Normalize session status across OpenCode versions |
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| `recent-synthetic-idles.ts` | Dedup rapid idle events |
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| `unstable-agent-babysitter.ts` | Track unstable agent behavior across sessions |
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| `types.ts` | `PluginContext`, `PluginInterface`, `ToolsRecord`, `TmuxConfig` |
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| `ultrawork-model-override.ts` | Ultrawork mode model override logic |
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| `ultrawork-db-model-override.ts` | DB-level model override for ultrawork |
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## KEY PATTERNS
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- Each handler exports a function receiving `(hookRecord, ctx, pluginConfig, managers)` → returns OpenCode hook function
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- Handlers iterate over hook records, calling each hook with `(input, output)` in sequence
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- `safeHook()` wrapper in composition files catches errors per-hook without breaking the chain
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- Tool registry uses `filterDisabledTools()` before returning
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