release: v2.12.2

- Remove unused import OhMyOpenCodeConfig from src/index.ts
- Remove unused import dirname from src/features/opencode-skill-loader/loader.ts
- Remove unused import detectKeywords from src/hooks/keyword-detector/index.ts
- Remove unused import CliMatch from src/tools/ast-grep/utils.ts
- Prefix unused parameter _original in src/tools/ast-grep/utils.ts

🤖 GENERATED WITH ASSISTANCE OF [OhMyOpenCode](https://github.com/code-yeongyu/oh-my-opencode)

.github/workflows/sisyphus-agent.yml

@@ -316,8 +316,8 @@ jobs:
 
           ---
 
-          Write everything using the todo tools.
-          Then investigate and satisfy the request. Only if user requested to you to work explicitely, then use plan agent to plan, todo obsessivley then create a PR to `BRANCH_PLACEHOLDER` branch.
+          Plan everything using todo tools.
+          Then investigate and satisfy the request. Only if user requested to you to work explicitly, then use plan agent to plan, todo obsessively then create a PR to `BRANCH_PLACEHOLDER` branch.
           When done, report the result to the issue/PR with `gh issue comment NUMBER_PLACEHOLDER` or `gh pr comment NUMBER_PLACEHOLDER`.
           PROMPT_EOF
           )

.opencode/command/publish.md

@@ -1,7 +1,6 @@
 ---
 description: Publish oh-my-opencode to npm via GitHub Actions workflow
 argument-hint: <patch|minor|major>
-model: opencode/big-pickle
 ---
 
 <command-instruction>

AGENTS.md

@@ -1,29 +1,29 @@
 # PROJECT KNOWLEDGE BASE
 
-**Generated:** 2025-12-28T19:26:00+09:00
-**Commit:** 122e918
+**Generated:** 2026-01-02T22:41:22+09:00
+**Commit:** d0694e5
 **Branch:** dev
 
 ## OVERVIEW
 
-OpenCode plugin implementing Claude Code/AmpCode features. Multi-model agent orchestration (GPT-5.2, Claude, Gemini, Grok), LSP tools (11), AST-Grep search, MCP integrations (context7, websearch_exa, grep_app). "oh-my-zsh" for OpenCode.
+OpenCode plugin: multi-model agent orchestration (Claude Opus 4.5, GPT-5.2, Gemini 3, Grok), 11 LSP tools, AST-Grep, Claude Code compatibility layer. "oh-my-zsh" for OpenCode.
 
 ## STRUCTURE
 
 ```
 oh-my-opencode/
 ├── src/
-│   ├── agents/        # AI agents (7): Sisyphus, oracle, librarian, explore, frontend, document-writer, multimodal-looker
-│   ├── hooks/         # 21 lifecycle hooks - see src/hooks/AGENTS.md
-│   ├── tools/         # LSP, AST-Grep, Grep, Glob, etc. - see src/tools/AGENTS.md
-│   ├── mcp/           # MCP servers: context7, websearch_exa, grep_app
-│   ├── features/      # Claude Code compatibility - see src/features/AGENTS.md
+│   ├── agents/        # 7 AI agents - see src/agents/AGENTS.md
+│   ├── hooks/         # 22 lifecycle hooks - see src/hooks/AGENTS.md
+│   ├── tools/         # LSP, AST-Grep, session mgmt - see src/tools/AGENTS.md
+│   ├── features/      # Claude Code compat layer - see src/features/AGENTS.md
+│   ├── auth/          # Google Antigravity OAuth - see src/auth/AGENTS.md
+│   ├── shared/        # Cross-cutting utilities - see src/shared/AGENTS.md
+│   ├── cli/           # CLI installer, doctor - see src/cli/AGENTS.md
+│   ├── mcp/           # MCP configs: context7, websearch_exa, grep_app
 │   ├── config/        # Zod schema, TypeScript types
-│   ├── auth/          # Google Antigravity OAuth (antigravity/)
-│   ├── shared/        # Utilities: deep-merge, pattern-matcher, logger, etc.
-│   └── index.ts       # Main plugin entry (OhMyOpenCodePlugin)
+│   └── index.ts       # Main plugin entry (464 lines)
 ├── script/            # build-schema.ts, publish.ts, generate-changelog.ts
-├── assets/            # JSON schema
 └── dist/              # Build output (ESM + .d.ts)
 ```
 
@@ -31,58 +31,44 @@ oh-my-opencode/
 
 | Task | Location | Notes |
 |------|----------|-------|
-| Add agent | `src/agents/` | Create .ts, add to builtinAgents in index.ts, update types.ts |
-| Add hook | `src/hooks/` | Create dir with createXXXHook(), export from index.ts |
-| Add tool | `src/tools/` | Dir with index/types/constants/tools.ts, add to builtinTools |
+| Add agent | `src/agents/` | Create .ts, add to builtinAgents, update types.ts |
+| Add hook | `src/hooks/` | Dir with createXXXHook(), export from index.ts |
+| Add tool | `src/tools/` | Dir with constants/types/tools.ts, add to builtinTools |
 | Add MCP | `src/mcp/` | Create config, add to index.ts |
-| LSP behavior | `src/tools/lsp/` | client.ts (connection), tools.ts (handlers) |
-| AST-Grep | `src/tools/ast-grep/` | napi.ts for @ast-grep/napi binding |
-| Google OAuth | `src/auth/antigravity/` | OAuth plugin for Google models |
-| Config schema | `src/config/schema.ts` | Zod schema, run `bun run build:schema` after changes |
+| Add skill | `src/features/builtin-skills/` | Dir with SKILL.md |
+| Config schema | `src/config/schema.ts` | Run `bun run build:schema` after |
 | Claude Code compat | `src/features/claude-code-*-loader/` | Command, skill, agent, mcp loaders |
-| Background agents | `src/features/background-agent/` | manager.ts for task management |
-| Interactive terminal | `src/tools/interactive-bash/` | tmux session management |
 
 ## CONVENTIONS
 
-- **Package manager**: Bun only (`bun run`, `bun build`, `bunx`)
+- **Bun only**: `bun run`, `bun test`, `bunx` (NEVER npm/npx)
 - **Types**: bun-types (not @types/node)
-- **Build**: Dual output - `bun build` (ESM) + `tsc --emitDeclarationOnly`
-- **Exports**: Barrel pattern - `export * from "./module"` in index.ts
-- **Directory naming**: kebab-case (`ast-grep/`, `claude-code-hooks/`)
-- **Tool structure**: index.ts, types.ts, constants.ts, tools.ts, utils.ts
-- **Hook pattern**: `createXXXHook(input: PluginInput)` returning event handlers
-- **Test style**: BDD comments `#given`, `#when`, `#then` (same as AAA)
+- **Build**: `bun build` (ESM) + `tsc --emitDeclarationOnly`
+- **Exports**: Barrel pattern in index.ts; explicit named exports for tools/hooks
+- **Naming**: kebab-case directories, createXXXHook/createXXXTool factories
+- **Testing**: BDD comments `#given`, `#when`, `#then` (same as AAA)
+- **Temperature**: 0.1 for code agents, max 0.3
 
-## ANTI-PATTERNS (THIS PROJECT)
+## ANTI-PATTERNS
 
-- **npm/yarn**: Use bun exclusively
-- **@types/node**: Use bun-types
-- **Bash file ops**: Never mkdir/touch/rm/cp/mv for file creation in code
-- **Direct bun publish**: GitHub Actions workflow_dispatch only (OIDC provenance)
-- **Local version bump**: Version managed by CI workflow
-- **Year 2024**: NEVER use 2024 in code/prompts (use current year)
-- **Rush completion**: Never mark tasks complete without verification
-- **Over-exploration**: Stop searching when sufficient context found
-
-## UNIQUE STYLES
-
-- **Platform**: Union type `"darwin" | "linux" | "win32" | "unsupported"`
-- **Optional props**: Extensive `?` for optional interface properties
-- **Flexible objects**: `Record<string, unknown>` for dynamic configs
-- **Error handling**: Consistent try/catch with async/await
-- **Agent tools**: `tools: { include: [...] }` or `tools: { exclude: [...] }`
-- **Temperature**: Most agents use `0.1` for consistency
-- **Hook naming**: `createXXXHook` function convention
+| Category | Forbidden |
+|----------|-----------|
+| Type Safety | `as any`, `@ts-ignore`, `@ts-expect-error` |
+| Package Manager | npm, yarn, npx |
+| File Ops | Bash mkdir/touch/rm for code file creation |
+| Publishing | Direct `bun publish`, local version bump |
+| Agent Behavior | High temp (>0.3), broad tool access, sequential agent calls |
+| Hooks | Heavy PreToolUse logic, blocking without reason |
+| Year | 2024 in code/prompts (use current year) |
 
 ## AGENT MODELS
 
 | Agent | Model | Purpose |
 |-------|-------|---------|
 | Sisyphus | anthropic/claude-opus-4-5 | Primary orchestrator |
-| oracle | openai/gpt-5.2 | Strategic advisor, code review |
-| librarian | anthropic/claude-sonnet-4-5 | Multi-repo analysis, docs |
-| explore | opencode/grok-code | Fast codebase exploration |
+| oracle | openai/gpt-5.2 | Strategy, code review |
+| librarian | anthropic/claude-sonnet-4-5 | Docs, OSS research |
+| explore | opencode/grok-code | Fast codebase grep |
 | frontend-ui-ux-engineer | google/gemini-3-pro-preview | UI generation |
 | document-writer | google/gemini-3-pro-preview | Technical docs |
 | multimodal-looker | google/gemini-3-flash | PDF/image analysis |
@@ -93,8 +79,7 @@ oh-my-opencode/
 bun run typecheck      # Type check
 bun run build          # ESM + declarations + schema
 bun run rebuild        # Clean + Build
-bun run build:schema   # Schema only
-bun test               # Run tests
+bun test               # Run tests (380+)
 ```
 
 ## DEPLOYMENT
@@ -102,20 +87,26 @@ bun test               # Run tests
 **GitHub Actions workflow_dispatch only**
 
 1. Never modify package.json version locally
-2. Commit & push changes
-3. Trigger `publish` workflow: `gh workflow run publish -f bump=patch`
+2. Commit & push to dev
+3. Trigger: `gh workflow run publish -f bump=patch|minor|major`
 
-**Critical**: Never `bun publish` directly. Never bump version locally.
+CI auto-commits schema changes on master, maintains rolling `next` draft release on dev.
 
-## CI PIPELINE
+## COMPLEXITY HOTSPOTS
 
-- **ci.yml**: Parallel test/typecheck, build verification, auto-commit schema on master
-- **publish.yml**: Manual workflow_dispatch, version bump, changelog, OIDC npm publish
+| File | Lines | Description |
+|------|-------|-------------|
+| `src/index.ts` | 464 | Main plugin, all hook/tool init |
+| `src/cli/config-manager.ts` | 669 | JSONC parsing, env detection |
+| `src/auth/antigravity/fetch.ts` | 621 | Token refresh, URL rewriting |
+| `src/tools/lsp/client.ts` | 611 | LSP protocol, JSON-RPC |
+| `src/hooks/anthropic-context-window-limit-recovery/executor.ts` | 564 | Multi-stage recovery |
+| `src/agents/sisyphus.ts` | 504 | Orchestrator prompt |
 
 ## NOTES
 
-- **Testing**: Bun native test (`bun test`), BDD-style `#given/#when/#then`
 - **OpenCode**: Requires >= 1.0.150
-- **Multi-lang docs**: README.md (EN), README.ko.md (KO), README.ja.md (JA), README.zh-cn.md (ZH-CN)
-- **Config**: `~/.config/opencode/oh-my-opencode.json` (user) or `.opencode/oh-my-opencode.json` (project)
-- **Trusted deps**: @ast-grep/cli, @ast-grep/napi, @code-yeongyu/comment-checker
+- **Config**: `~/.config/opencode/oh-my-opencode.json` or `.opencode/oh-my-opencode.json`
+- **JSONC**: Config files support comments and trailing commas
+- **Claude Code**: Full compat layer for settings.json hooks, commands, skills, agents, MCPs
+- **Skill MCP**: Skills can embed MCP server configs in YAML frontmatter

README.ja.md

@@ -4,7 +4,7 @@
 >
 > 一緒に歩みましょう！
 >
-> | [<img alt="Discord link" src="https://img.shields.io/discord/1452487457085063218?color=5865F2&label=discord&labelColor=black&logo=discord&logoColor=white&style=flat-square" width="156px" />](https://discord.gg/PWpXmbhF) | [Discordコミュニティ](https://discord.gg/PWpXmbhF)に参加して、コントリビューターや`oh-my-opencode`仲間とつながりましょう。 |
+> | [<img alt="Discord link" src="https://img.shields.io/discord/1452487457085063218?color=5865F2&label=discord&labelColor=black&logo=discord&logoColor=white&style=flat-square" width="156px" />](https://discord.gg/aSfGzWtYxM) | [Discordコミュニティ](https://discord.gg/aSfGzWtYxM)に参加して、コントリビューターや`oh-my-opencode`仲間とつながりましょう。 |
 > | :-----| :----- |
 > | [<img alt="X link" src="https://img.shields.io/badge/Follow-%40justsisyphus-00CED1?style=flat-square&logo=x&labelColor=black" width="156px" />](https://x.com/justsisyphus) | `oh-my-opencode`に関するニュースは私のXアカウントで投稿していましたが、無実の罪で凍結されたため、<br />[@justsisyphus](https://x.com/justsisyphus)が代わりに更新を投稿しています。 |
 > | [<img alt="Sponsor" src="https://img.shields.io/badge/Sponsor-❤-ff69b4?style=flat-square&logo=github-sponsors&labelColor=black" width="156px" />](https://github.com/sponsors/code-yeongyu) | [スポンサーになって](https://github.com/sponsors/code-yeongyu) `oh-my-opencode` の開発を応援してください。皆さまのご支援がこのプロジェクトを成長させます。 |
@@ -128,6 +128,12 @@ Windows から Linux に初めて乗り換えた時のこと、自分の思い
   - なぜこれが良いのか、単なるボイラープレートではないのか、具体的に何が良くなるのか聞いてみてください。
   - もしあなたが LLM エージェントなら、このプロジェクトによって今すぐ何が可能になるのか、ユーザーに説明してください。
 
+### 🪄 魔法の言葉：`ultrawork`
+
+**これ全部読みたくない？プロンプトに `ultrawork`（または `ulw`）を入れるだけでOK。**
+
+それだけです。私たちが提供するすべての機能が魔法のように動作します—並列エージェント、バックグラウンドタスク、深い探索、そして完了するまで止まらない実行。エージェントが自動的にすべてを処理します。
+
 ### 読みたい方のために：シジフォスに会う
 
 ![Meet Sisyphus](.github/assets/sisyphus.png)
@@ -223,8 +229,12 @@ OpenCode がインストールされていない場合は、[OpenCode インス
 
 ```bash
 bunx oh-my-opencode install --no-tui --claude=<yes|no|max20> --chatgpt=<yes|no> --gemini=<yes|no>
+# bunx が動作しない場合は npx を使用
+npx oh-my-opencode install --no-tui --claude=<yes|no|max20> --chatgpt=<yes|no> --gemini=<yes|no>
 ```
 
+> **Ubuntu/Debian ユーザーへの注意**: Snap で Bun をインストールした場合 (`/snap/bin/bun`)、Snap のサンドボックス化により `bunx` が「script not found」エラーで失敗します。代わりに `npx` を使用するか、公式インストーラーで Bun を再インストールしてください: `curl -fsSL https://bun.sh/install | bash`
+
 **例：**
 - すべてのサブスクリプション + max20: `bunx oh-my-opencode install --no-tui --claude=max20 --chatgpt=yes --gemini=yes`
 - Claude のみ（max20 なし）: `bunx oh-my-opencode install --no-tui --claude=yes --chatgpt=no --gemini=no`
@@ -660,6 +670,10 @@ Oh My OpenCode は以下の場所からフックを読み込んで実行しま
 - **Empty Message Sanitizer**: 空のチャットメッセージによるAPIエラーを防止します。送信前にメッセージ内容を自動的にサニタイズします。
 - **Grep Output Truncator**: grep は山のようなテキストを返すことがあります。残りのコンテキストウィンドウに応じて動的に出力を切り詰めます—50% の余裕を維持し、最大 50k トークンに制限します。
 - **Tool Output Truncator**: 同じ考え方をより広範囲に適用します。Grep、Glob、LSP ツール、AST-grep の出力を切り詰めます。一度の冗長な検索がコンテキスト全体を食いつぶすのを防ぎます。
+- **Preemptive Compaction**: トークン制限に達する前にセッションを事前にコンパクションします。コンテキストウィンドウ使用率85%で実行されます。**デフォルトで有効。** `disabled_hooks: ["preemptive-compaction"]`で無効化できます。
+- **Compaction Context Injector**: セッションコンパクション中に重要なコンテキスト（AGENTS.md、現在のディレクトリ情報）を保持し、重要な状態を失わないようにします。
+- **Thinking Block Validator**: thinking ブロックを検証し、適切なフォーマットを確保し、不正な thinking コンテンツによる API エラーを防ぎます。
+- **Claude Code Hooks**: Claude Code の settings.json からフックを実行します - これは PreToolUse/PostToolUse/UserPromptSubmit/Stop フックを実行する互換性レイヤーです。
 
 ## 設定
 
@@ -755,7 +769,19 @@ Oh My OpenCode は以下の場所からフックを読み込んで実行しま
 }
 ```
 
-各エージェントでサポートされるオプション：`model`, `temperature`, `top_p`, `prompt`, `tools`, `disable`, `description`, `mode`, `color`, `permission`。
+各エージェントでサポートされるオプション：`model`, `temperature`, `top_p`, `prompt`, `prompt_append`, `tools`, `disable`, `description`, `mode`, `color`, `permission`。
+
+`prompt_append` を使用すると、デフォルトのシステムプロンプトを置き換えずに追加の指示を付け加えられます：
+
+```json
+{
+  "agents": {
+    "librarian": {
+      "prompt_append": "Emacs Lisp のドキュメント検索には常に elisp-dev-mcp を使用してください。"
+    }
+  }
+}
+```
 
 `Sisyphus` (メインオーケストレーター) と `build` (デフォルトエージェント) も同じオプションで設定をオーバーライドできます。
 
@@ -874,7 +900,7 @@ Oh My OpenCode は以下の場所からフックを読み込んで実行しま
 }
 ```
 
-利用可能なフック：`todo-continuation-enforcer`, `context-window-monitor`, `session-recovery`, `session-notification`, `comment-checker`, `grep-output-truncator`, `tool-output-truncator`, `directory-agents-injector`, `directory-readme-injector`, `empty-task-response-detector`, `think-mode`, `anthropic-context-window-limit-recovery`, `rules-injector`, `background-notification`, `auto-update-checker`, `startup-toast`, `keyword-detector`, `agent-usage-reminder`, `non-interactive-env`, `interactive-bash-session`, `empty-message-sanitizer`, `preemptive-compaction`, `compaction-context-injector`, `thinking-block-validator`, `claude-code-hooks`, `ralph-loop`, `dcp-for-compaction`
+利用可能なフック：`todo-continuation-enforcer`, `context-window-monitor`, `session-recovery`, `session-notification`, `comment-checker`, `grep-output-truncator`, `tool-output-truncator`, `directory-agents-injector`, `directory-readme-injector`, `empty-task-response-detector`, `think-mode`, `anthropic-context-window-limit-recovery`, `rules-injector`, `background-notification`, `auto-update-checker`, `startup-toast`, `keyword-detector`, `agent-usage-reminder`, `non-interactive-env`, `interactive-bash-session`, `empty-message-sanitizer`, `compaction-context-injector`, `thinking-block-validator`, `claude-code-hooks`, `ralph-loop`, `preemptive-compaction`
 
 **`auto-update-checker`と`startup-toast`について**: `startup-toast` フックは `auto-update-checker` のサブ機能です。アップデートチェックは有効なまま起動トースト通知のみを無効化するには、`disabled_hooks` に `"startup-toast"` を追加してください。すべてのアップデートチェック機能（トーストを含む）を無効化するには、`"auto-update-checker"` を追加してください。
 
@@ -926,20 +952,21 @@ OpenCode でサポートされるすべての LSP 構成およびカスタム設
 ```json
 {
   "experimental": {
+    "preemptive_compaction_threshold": 0.85,
+    "truncate_all_tool_outputs": true,
     "aggressive_truncation": true,
-    "auto_resume": true,
-    "truncate_all_tool_outputs": false
+    "auto_resume": true
   }
 }
 ```
 
-| オプション                  | デフォルト | 説明                                                                                                                                                                   |
-| --------------------------- | ---------- | ---------------------------------------------------------------------------------------------------------------------------------------------------------------------- |
-| `aggressive_truncation`     | `false`    | トークン制限を超えた場合、ツール出力を積極的に切り詰めて制限内に収めます。デフォルトの切り詰めより積極的です。不十分な場合は要約/復元にフォールバックします。                 |
-| `auto_resume`               | `false`    | thinking block エラーや thinking disabled violation からの回復成功後、自動的にセッションを再開します。最後のユーザーメッセージを抽出して続行します。                        |
-| `truncate_all_tool_outputs` | `true`     | プロンプトが長くなりすぎるのを防ぐため、コンテキストウィンドウの使用状況に基づいてすべてのツール出力を動的に切り詰めます。完全なツール出力が必要な場合は`false`に設定して無効化します。 |
-
-**注意**: `dcp-for-compaction`（コンパクション用動的コンテキスト整理）はフックとして管理されるようになりました。デフォルトで有効で、`disabled_hooks: ["dcp-for-compaction"]`で無効化できます。
+| オプション                        | デフォルト | 説明                                                                                                                                                                   |
+| --------------------------------- | ---------- | ---------------------------------------------------------------------------------------------------------------------------------------------------------------------- |
+| `preemptive_compaction_threshold` | `0.85`     | プリエンプティブコンパクションをトリガーする閾値（0.5-0.95）。`preemptive-compaction` フックはデフォルトで有効です。このオプションで閾値をカスタマイズできます。                 |
+| `truncate_all_tool_outputs`       | `false`    | ホワイトリストのツール（Grep、Glob、LSP、AST-grep）だけでなく、すべてのツール出力を切り詰めます。Tool output truncator はデフォルトで有効です - `disabled_hooks`で無効化できます。 |
+| `aggressive_truncation`           | `false`    | トークン制限を超えた場合、ツール出力を積極的に切り詰めて制限内に収めます。デフォルトの切り詰めより積極的です。不十分な場合は要約/復元にフォールバックします。                 |
+| `auto_resume`                     | `false`    | thinking block エラーや thinking disabled violation からの回復成功後、自動的にセッションを再開します。最後のユーザーメッセージを抽出して続行します。                        |
+| `dcp_for_compaction`              | `false`    | コンパクション用DCP（動的コンテキスト整理）を有効化 - トークン制限超過時に最初に実行されます。コンパクション前に重複したツール呼び出しと古いツール出力を整理します。                |
 
 **警告**：これらの機能は実験的であり、予期しない動作を引き起こす可能性があります。影響を理解した場合にのみ有効にしてください。
 

README.ko.md

@@ -4,7 +4,7 @@
 >
 > 함께해주세요!
 >
-> | [<img alt="Discord link" src="https://img.shields.io/discord/1452487457085063218?color=5865F2&label=discord&labelColor=black&logo=discord&logoColor=white&style=flat-square" width="156px" />](https://discord.gg/PWpXmbhF) | [Discord 커뮤니티](https://discord.gg/PWpXmbhF)에서 기여자들과 `oh-my-opencode` 사용자들을 만나보세요. |
+> | [<img alt="Discord link" src="https://img.shields.io/discord/1452487457085063218?color=5865F2&label=discord&labelColor=black&logo=discord&logoColor=white&style=flat-square" width="156px" />](https://discord.gg/aSfGzWtYxM) | [Discord 커뮤니티](https://discord.gg/aSfGzWtYxM)에서 기여자들과 `oh-my-opencode` 사용자들을 만나보세요. |
 > | :-----| :----- |
 > | [<img alt="X link" src="https://img.shields.io/badge/Follow-%40justsisyphus-00CED1?style=flat-square&logo=x&labelColor=black" width="156px" />](https://x.com/justsisyphus) | `oh-my-opencode` 관련 소식은 제 X 계정에서 올렸었는데, 억울하게 정지당해서 <br />[@justsisyphus](https://x.com/justsisyphus)가 대신 소식을 전하고 있습니다. |
 > | [<img alt="Sponsor" src="https://img.shields.io/badge/Sponsor-❤-ff69b4?style=flat-square&logo=github-sponsors&labelColor=black" width="156px" />](https://github.com/sponsors/code-yeongyu) | [스폰서가 되어](https://github.com/sponsors/code-yeongyu) `oh-my-opencode` 개발을 응원해주세요. 여러분의 후원이 이 프로젝트를 계속 성장시킵니다. |
@@ -127,6 +127,12 @@ OpenCode 가 낭만이 사라진것같은 오늘날의 시대에, 당신에게
   - 이게 왜 좋고, 그냥 뻔한 셋업이 아닌지, 당장 무엇이 더 좋아지는지 알려달라고 해보세요.
   - 당신이 LLM 에이전트라면, 사용자의 입장에서 이 프로젝트와 함께 당장 어떤것들이 가능해지는지 사용자에게 설명하세요.
 
+### 🪄 마법의 단어: `ultrawork`
+
+**이거 다 읽기 싫으시죠? 프롬프트에 `ultrawork` (또는 `ulw`) 만 넣으세요.**
+
+그게 다입니다. 우리가 제공하는 모든 기능이 마법처럼 작동합니다—병렬 에이전트, 백그라운드 태스크, 깊은 탐색, 그리고 완료될 때까지 멈추지 않는 실행. 에이전트가 알아서 다 합니다.
+
 ### 하지만 읽고 싶은 당신을 위해: 시지푸스를 만나보세요
 
 ![Meet Sisyphus](.github/assets/sisyphus.png)
@@ -220,8 +226,12 @@ OpenCode가 설치되어 있지 않다면, [OpenCode 설치 가이드](https://o
 
 ```bash
 bunx oh-my-opencode install --no-tui --claude=<yes|no|max20> --chatgpt=<yes|no> --gemini=<yes|no>
+# bunx가 작동하지 않으면 npx 사용
+npx oh-my-opencode install --no-tui --claude=<yes|no|max20> --chatgpt=<yes|no> --gemini=<yes|no>
 ```
 
+> **Ubuntu/Debian 사용자 참고**: Snap으로 Bun을 설치한 경우 (`/snap/bin/bun`), Snap의 샌드박싱으로 인해 `bunx`가 "script not found" 오류와 함께 실패합니다. 대신 `npx`를 사용하거나, 공식 설치 스크립트로 Bun을 재설치하세요: `curl -fsSL https://bun.sh/install | bash`
+
 **예시:**
 - 모든 구독 + max20: `bunx oh-my-opencode install --no-tui --claude=max20 --chatgpt=yes --gemini=yes`
 - Claude만 (max20 없음): `bunx oh-my-opencode install --no-tui --claude=yes --chatgpt=no --gemini=no`
@@ -653,7 +663,7 @@ Oh My OpenCode는 다음 위치의 훅을 읽고 실행합니다:
 - **Empty Message Sanitizer**: 빈 채팅 메시지로 인한 API 오류를 방지합니다. 전송 전 메시지 내용을 자동으로 정리합니다.
 - **Grep Output Truncator**: grep은 산더미 같은 텍스트를 반환할 수 있습니다. 남은 컨텍스트 윈도우에 따라 동적으로 출력을 축소합니다—50% 여유 공간 유지, 최대 50k 토큰.
 - **Tool Output Truncator**: 같은 아이디어, 더 넓은 범위. Grep, Glob, LSP 도구, AST-grep의 출력을 축소합니다. 한 번의 장황한 검색이 전체 컨텍스트를 잡아먹는 것을 방지합니다.
-- **선제적 압축 (Preemptive Compaction)**: 세션 토큰 한계에 도달하기 전에 선제적으로 세션을 압축합니다. 문제가 발생하기 전에 미리 실행됩니다.
+- **선제적 압축 (Preemptive Compaction)**: 세션 토큰 한계에 도달하기 전에 선제적으로 세션을 압축합니다. 컨텍스트 윈도우 사용량 85%에서 실행됩니다. **기본적으로 활성화됨.** `disabled_hooks: ["preemptive-compaction"]`으로 비활성화 가능.
 - **압축 컨텍스트 주입기 (Compaction Context Injector)**: 세션 압축 중에 중요한 컨텍스트(AGENTS.md, 현재 디렉토리 정보 등)를 유지하여 중요한 상태를 잃지 않도록 합니다.
 - **사고 블록 검증기 (Thinking Block Validator)**: 사고(thinking) 블록의 형식이 올바른지 검증하여 잘못된 형식으로 인한 API 오류를 방지합니다.
 - **Claude Code 훅 (Claude Code Hooks)**: Claude Code의 settings.json에 설정된 훅을 실행합니다. PreToolUse/PostToolUse/UserPromptSubmit/Stop 이벤트를 지원하는 호환성 레이어입니다.
@@ -752,7 +762,19 @@ Schema 자동 완성이 지원됩니다:
 }
 ```
 
-각 에이전트에서 지원하는 옵션: `model`, `temperature`, `top_p`, `prompt`, `tools`, `disable`, `description`, `mode`, `color`, `permission`.
+각 에이전트에서 지원하는 옵션: `model`, `temperature`, `top_p`, `prompt`, `prompt_append`, `tools`, `disable`, `description`, `mode`, `color`, `permission`.
+
+`prompt_append`를 사용하면 기본 시스템 프롬프트를 대체하지 않고 추가 지시사항을 덧붙일 수 있습니다:
+
+```json
+{
+  "agents": {
+    "librarian": {
+      "prompt_append": "Emacs Lisp 문서 조회 시 항상 elisp-dev-mcp를 사용하세요."
+    }
+  }
+}
+```
 
 `Sisyphus` (메인 오케스트레이터)와 `build` (기본 에이전트)도 동일한 옵션으로 설정을 오버라이드할 수 있습니다.
 
@@ -871,7 +893,7 @@ Schema 자동 완성이 지원됩니다:
 }
 ```
 
-사용 가능한 훅: `todo-continuation-enforcer`, `context-window-monitor`, `session-recovery`, `session-notification`, `comment-checker`, `grep-output-truncator`, `tool-output-truncator`, `directory-agents-injector`, `directory-readme-injector`, `empty-task-response-detector`, `think-mode`, `anthropic-context-window-limit-recovery`, `rules-injector`, `background-notification`, `auto-update-checker`, `startup-toast`, `keyword-detector`, `agent-usage-reminder`, `non-interactive-env`, `interactive-bash-session`, `empty-message-sanitizer`, `preemptive-compaction`, `compaction-context-injector`, `thinking-block-validator`, `claude-code-hooks`, `ralph-loop`, `dcp-for-compaction`
+사용 가능한 훅: `todo-continuation-enforcer`, `context-window-monitor`, `session-recovery`, `session-notification`, `comment-checker`, `grep-output-truncator`, `tool-output-truncator`, `directory-agents-injector`, `directory-readme-injector`, `empty-task-response-detector`, `think-mode`, `anthropic-context-window-limit-recovery`, `rules-injector`, `background-notification`, `auto-update-checker`, `startup-toast`, `keyword-detector`, `agent-usage-reminder`, `non-interactive-env`, `interactive-bash-session`, `empty-message-sanitizer`, `compaction-context-injector`, `thinking-block-validator`, `claude-code-hooks`, `ralph-loop`, `preemptive-compaction`
 
 **`auto-update-checker`와 `startup-toast`에 대한 참고사항**: `startup-toast` 훅은 `auto-update-checker`의 하위 기능입니다. 업데이트 확인은 유지하면서 시작 토스트 알림만 비활성화하려면 `disabled_hooks`에 `"startup-toast"`를 추가하세요. 모든 업데이트 확인 기능(토스트 포함)을 비활성화하려면 `"auto-update-checker"`를 추가하세요.
 
@@ -923,20 +945,21 @@ OpenCode 에서 지원하는 모든 LSP 구성 및 커스텀 설정 (opencode.js
 ```json
 {
   "experimental": {
+    "preemptive_compaction_threshold": 0.85,
+    "truncate_all_tool_outputs": true,
     "aggressive_truncation": true,
-    "auto_resume": true,
-    "truncate_all_tool_outputs": false
+    "auto_resume": true
   }
 }
 ```
 
-| 옵션                        | 기본값  | 설명                                                                                                                                                              |
-| --------------------------- | ------- | ----------------------------------------------------------------------------------------------------------------------------------------------------------------- |
-| `aggressive_truncation`     | `false` | 토큰 제한을 초과하면 도구 출력을 공격적으로 잘라내어 제한 내에 맞춥니다. 기본 truncation보다 더 공격적입니다. 부족하면 요약/복구로 fallback합니다.                      |
-| `auto_resume`               | `false` | thinking block 에러나 thinking disabled violation으로부터 성공적으로 복구한 후 자동으로 세션을 재개합니다. 마지막 사용자 메시지를 추출하여 계속합니다.                |
-| `truncate_all_tool_outputs` | `true`  | 프롬프트가 너무 길어지는 것을 방지하기 위해 컨텍스트 윈도우 사용량에 따라 모든 도구 출력을 동적으로 잘라냅니다. 전체 도구 출력이 필요한 경우 `false`로 설정하여 비활성화하세요. |
-
-**참고**: `dcp-for-compaction` (컴팩션용 동적 컨텍스트 정리)은 이제 훅으로 관리됩니다. 기본으로 활성화되어 있으며, `disabled_hooks: ["dcp-for-compaction"]`으로 비활성화할 수 있습니다.
+| 옵션                              | 기본값  | 설명                                                                                                                                                              |
+| --------------------------------- | ------- | ----------------------------------------------------------------------------------------------------------------------------------------------------------------- |
+| `preemptive_compaction_threshold` | `0.85`  | 선제적 컴팩션을 트리거할 임계값 비율(0.5-0.95). `preemptive-compaction` 훅은 기본적으로 활성화되어 있으며, 이 옵션으로 임계값을 커스터마이즈할 수 있습니다.                 |
+| `truncate_all_tool_outputs`       | `false` | 화이트리스트 도구(Grep, Glob, LSP, AST-grep)만이 아닌 모든 도구 출력을 잘라냅니다. Tool output truncator는 기본적으로 활성화됩니다 - `disabled_hooks`로 비활성화 가능합니다. |
+| `aggressive_truncation`           | `false` | 토큰 제한을 초과하면 도구 출력을 공격적으로 잘라내어 제한 내에 맞춥니다. 기본 truncation보다 더 공격적입니다. 부족하면 요약/복구로 fallback합니다.                      |
+| `auto_resume`                     | `false` | thinking block 에러나 thinking disabled violation으로부터 성공적으로 복구한 후 자동으로 세션을 재개합니다. 마지막 사용자 메시지를 추출하여 계속합니다.                |
+| `dcp_for_compaction`              | `false` | 컴팩션용 DCP(동적 컨텍스트 정리) 활성화 - 토큰 제한 초과 시 먼저 실행됩니다. 컴팩션 전에 중복 도구 호출과 오래된 도구 출력을 정리합니다.                                  |
 
 **경고**: 이 기능들은 실험적이며 예상치 못한 동작을 유발할 수 있습니다. 의미를 이해한 경우에만 활성화하세요.
 

README.md

@@ -2,9 +2,12 @@
 >
 > *"I aim to spark a software revolution by creating a world where agent-generated code is indistinguishable from human code, yet capable of achieving vastly more. I have poured my personal time, passion, and funds into this journey, and I will continue to do so."*
 >
+> [![The Orchestrator is coming](./.github/assets/orchestrator-sisyphus.png)](https://x.com/justsisyphus/status/2006250634354548963)
+> > **The Orchestrator is coming. This Week. [Get notified on X](https://x.com/justsisyphus/status/2006250634354548963)**
+>
 > Be with us!
 >
-> | [<img alt="Discord link" src="https://img.shields.io/discord/1452487457085063218?color=5865F2&label=discord&labelColor=black&logo=discord&logoColor=white&style=flat-square" width="156px" />](https://discord.gg/PWpXmbhF) | Join our [Discord community](https://discord.gg/PWpXmbhF) to connect with contributors and fellow `oh-my-opencode` users. |
+> | [<img alt="Discord link" src="https://img.shields.io/discord/1452487457085063218?color=5865F2&label=discord&labelColor=black&logo=discord&logoColor=white&style=flat-square" width="156px" />](https://discord.gg/aSfGzWtYxM) | Join our [Discord community](https://discord.gg/aSfGzWtYxM) to connect with contributors and fellow `oh-my-opencode` users. |
 > | :-----| :----- |
 > | [<img alt="X link" src="https://img.shields.io/badge/Follow-%40justsisyphus-00CED1?style=flat-square&logo=x&labelColor=black" width="156px" />](https://x.com/justsisyphus) | News and updates for `oh-my-opencode` used to be posted on my X account. <br /> Since it was suspended mistakenly, [@justsisyphus](https://x.com/justsisyphus) now posts updates on my behalf. |
 > | [<img alt="Sponsor" src="https://img.shields.io/badge/Sponsor-❤-ff69b4?style=flat-square&logo=github-sponsors&labelColor=black" width="156px" />](https://github.com/sponsors/code-yeongyu) | Support the development of `oh-my-opencode` by [becoming a sponsor](https://github.com/sponsors/code-yeongyu). Your contribution helps keep this project alive and growing. |
@@ -149,6 +152,12 @@ Hand this doc to an agent and let them set it up.
   - Ask why it's good, why it's not just another boilerplate setup, what actually gets better.
   - If you're an LLM agent, explain to the user what becomes possible right now with this project.
 
+### 🪄 The Magic Word: `ultrawork`
+
+**Don't want to read all this? Just include `ultrawork` (or `ulw`) in your prompt.**
+
+That's it. All the features we provide will work like magic—parallel agents, background tasks, deep exploration, and relentless execution until completion. The agent figures out the rest automatically.
+
 ### For Those Who Want to Read: Meet Sisyphus
 
 ![Meet Sisyphus](.github/assets/sisyphus.png)
@@ -201,8 +210,12 @@ Run the interactive installer:
 
 ```bash
 bunx oh-my-opencode install
+# or use npx if bunx doesn't work
+npx oh-my-opencode install
 ```
 
+> **Note for Ubuntu/Debian users**: If you installed Bun via Snap (`/snap/bin/bun`), `bunx` will fail with "script not found" due to Snap's sandboxing. Either use `npx` instead, or reinstall Bun via the official installer: `curl -fsSL https://bun.sh/install | bash`
+
 Follow the prompts to configure your Claude, ChatGPT, and Gemini subscriptions. After installation, authenticate your providers as instructed.
 
 **Alternative: Let an LLM Agent do it**
@@ -574,6 +587,26 @@ Instead of the agent reading massive files and bloating context, it internally l
 #### I Removed Their Blockers
 - Replaces built-in grep and glob tools. Default implementation has no timeout—can hang forever.
 
+#### Skill-Embedded MCP Support
+
+Skills can now bring their own MCP servers. Define MCP configurations directly in skill frontmatter or via `mcp.json` files:
+
+```yaml
+---
+description: Browser automation skill
+mcp:
+  playwright:
+    command: npx
+    args: ["-y", "@anthropic-ai/mcp-playwright"]
+---
+```
+
+When you load a skill with embedded MCP, its tools become available automatically. The `skill_mcp` tool lets you invoke these MCP operations with full schema discovery.
+
+**Built-in Skills:**
+- **playwright**: Browser automation, web scraping, testing, and screenshots out of the box
+
+Disable built-in skills via `disabled_skills: ["playwright"]` in your config.
 
 ### Goodbye Claude Code. Hello Oh My OpenCode.
 
@@ -692,7 +725,7 @@ When agents thrive, you thrive. But I want to help you directly too.
 - **Empty Message Sanitizer**: Prevents API errors from empty chat messages by automatically sanitizing message content before sending.
 - **Grep Output Truncator**: Grep can return mountains of text. This dynamically truncates output based on your remaining context window—keeps 50% headroom, caps at 50k tokens.
 - **Tool Output Truncator**: Same idea, broader scope. Truncates output from Grep, Glob, LSP tools, and AST-grep. Prevents one verbose search from eating your entire context.
-- **Preemptive Compaction**: Compacts session proactively before hitting hard token limits. Runs before you get into trouble.
+- **Preemptive Compaction**: Compacts session proactively before hitting hard token limits. Runs at 85% context window usage. **Enabled by default.** Disable via `disabled_hooks: ["preemptive-compaction"]`.
 - **Compaction Context Injector**: Preserves critical context (AGENTS.md, current directory info) during session compaction so you don't lose important state.
 - **Thinking Block Validator**: Validates thinking blocks to ensure proper formatting and prevent API errors from malformed thinking content.
 - **Claude Code Hooks**: Executes hooks from Claude Code's settings.json - this is the compatibility layer that runs PreToolUse/PostToolUse/UserPromptSubmit/Stop hooks.
@@ -791,7 +824,19 @@ Override built-in agent settings:
 }
 ```
 
-Each agent supports: `model`, `temperature`, `top_p`, `prompt`, `tools`, `disable`, `description`, `mode`, `color`, `permission`.
+Each agent supports: `model`, `temperature`, `top_p`, `prompt`, `prompt_append`, `tools`, `disable`, `description`, `mode`, `color`, `permission`.
+
+Use `prompt_append` to add extra instructions without replacing the default system prompt:
+
+```json
+{
+  "agents": {
+    "librarian": {
+      "prompt_append": "Always use the elisp-dev-mcp for Emacs Lisp documentation lookups."
+    }
+  }
+}
+```
 
 You can also override settings for `Sisyphus` (the main orchestrator) and `build` (the default agent) using the same options.
 
@@ -831,6 +876,22 @@ Or disable via `disabled_agents` in `~/.config/opencode/oh-my-opencode.json` or
 
 Available agents: `oracle`, `librarian`, `explore`, `frontend-ui-ux-engineer`, `document-writer`, `multimodal-looker`
 
+### Built-in Skills
+
+Oh My OpenCode includes built-in skills that provide additional capabilities:
+
+- **playwright**: Browser automation with Playwright MCP. Use for web scraping, testing, screenshots, and browser interactions.
+
+Disable built-in skills via `disabled_skills` in `~/.config/opencode/oh-my-opencode.json` or `.opencode/oh-my-opencode.json`:
+
+```json
+{
+  "disabled_skills": ["playwright"]
+}
+```
+
+Available built-in skills: `playwright`
+
 ### Sisyphus Agent
 
 When enabled (default), Sisyphus provides a powerful orchestrator with optional specialized agents:
@@ -910,7 +971,7 @@ Disable specific built-in hooks via `disabled_hooks` in `~/.config/opencode/oh-m
 }
 ```
 
-Available hooks: `todo-continuation-enforcer`, `context-window-monitor`, `session-recovery`, `session-notification`, `comment-checker`, `grep-output-truncator`, `tool-output-truncator`, `directory-agents-injector`, `directory-readme-injector`, `empty-task-response-detector`, `think-mode`, `anthropic-context-window-limit-recovery`, `rules-injector`, `background-notification`, `auto-update-checker`, `startup-toast`, `keyword-detector`, `agent-usage-reminder`, `non-interactive-env`, `interactive-bash-session`, `empty-message-sanitizer`, `preemptive-compaction`, `compaction-context-injector`, `thinking-block-validator`, `claude-code-hooks`, `ralph-loop`, `dcp-for-compaction`
+Available hooks: `todo-continuation-enforcer`, `context-window-monitor`, `session-recovery`, `session-notification`, `comment-checker`, `grep-output-truncator`, `tool-output-truncator`, `directory-agents-injector`, `directory-readme-injector`, `empty-task-response-detector`, `think-mode`, `anthropic-context-window-limit-recovery`, `rules-injector`, `background-notification`, `auto-update-checker`, `startup-toast`, `keyword-detector`, `agent-usage-reminder`, `non-interactive-env`, `interactive-bash-session`, `empty-message-sanitizer`, `compaction-context-injector`, `thinking-block-validator`, `claude-code-hooks`, `ralph-loop`, `preemptive-compaction`
 
 **Note on `auto-update-checker` and `startup-toast`**: The `startup-toast` hook is a sub-feature of `auto-update-checker`. To disable only the startup toast notification while keeping update checking enabled, add `"startup-toast"` to `disabled_hooks`. To disable all update checking features (including the toast), add `"auto-update-checker"` to `disabled_hooks`.
 
@@ -962,20 +1023,21 @@ Opt-in experimental features that may change or be removed in future versions. U
 ```json
 {
   "experimental": {
+    "preemptive_compaction_threshold": 0.85,
+    "truncate_all_tool_outputs": true,
     "aggressive_truncation": true,
-    "auto_resume": true,
-    "truncate_all_tool_outputs": false
+    "auto_resume": true
   }
 }
 ```
 
 | Option                      | Default | Description                                                                                                                                                                                  |
 | --------------------------- | ------- | -------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------- |
+| `preemptive_compaction_threshold` | `0.85` | Threshold percentage (0.5-0.95) to trigger preemptive compaction. The `preemptive-compaction` hook is enabled by default; this option customizes the threshold.                             |
+| `truncate_all_tool_outputs` | `false` | Truncates ALL tool outputs instead of just whitelisted tools (Grep, Glob, LSP, AST-grep). Tool output truncator is enabled by default - disable via `disabled_hooks`.                        |
 | `aggressive_truncation`     | `false` | When token limit is exceeded, aggressively truncates tool outputs to fit within limits. More aggressive than the default truncation behavior. Falls back to summarize/revert if insufficient. |
 | `auto_resume`               | `false` | Automatically resumes session after successful recovery from thinking block errors or thinking disabled violations. Extracts the last user message and continues.                            |
-| `truncate_all_tool_outputs` | `true`  | Dynamically truncates ALL tool outputs based on context window usage to prevent prompts from becoming too long. Disable by setting to `false` if you need full tool outputs.                 |
-
-**Note**: `dcp-for-compaction` (Dynamic Context Pruning for compaction) is now a hook, not an experimental feature. It's enabled by default and can be disabled via `disabled_hooks: ["dcp-for-compaction"]`.
+| `dcp_for_compaction`        | `false` | Enable DCP (Dynamic Context Pruning) for compaction - runs first when token limit exceeded. Prunes duplicate tool calls and old tool outputs before running compaction.                      |
 
 **Warning**: These features are experimental and may cause unexpected behavior. Enable only if you understand the implications.
 

README.zh-cn.md

@@ -4,7 +4,7 @@
 >
 > 与我们同行！
 >
-> | [<img alt="Discord link" src="https://img.shields.io/discord/1452487457085063218?color=5865F2&label=discord&labelColor=black&logo=discord&logoColor=white&style=flat-square" width="156px" />](https://discord.gg/PWpXmbhF) | 加入我们的 [Discord 社区](https://discord.gg/PWpXmbhF)，和贡献者们、`oh-my-opencode` 用户们一起交流。 |
+> | [<img alt="Discord link" src="https://img.shields.io/discord/1452487457085063218?color=5865F2&label=discord&labelColor=black&logo=discord&logoColor=white&style=flat-square" width="156px" />](https://discord.gg/aSfGzWtYxM) | 加入我们的 [Discord 社区](https://discord.gg/aSfGzWtYxM)，和贡献者们、`oh-my-opencode` 用户们一起交流。 |
 > | :-----| :----- |
 > | [<img alt="X link" src="https://img.shields.io/badge/Follow-%40justsisyphus-00CED1?style=flat-square&logo=x&labelColor=black" width="156px" />](https://x.com/justsisyphus) | `oh-my-opencode` 的消息之前在我的 X 账号发，但账号被无辜封了，<br />现在 [@justsisyphus](https://x.com/justsisyphus) 替我发更新。 |
 > | [<img alt="Sponsor" src="https://img.shields.io/badge/Sponsor-❤-ff69b4?style=flat-square&logo=github-sponsors&labelColor=black" width="156px" />](https://github.com/sponsors/code-yeongyu) | [成为赞助者](https://github.com/sponsors/code-yeongyu)，支持 `oh-my-opencode` 的开发。您的支持让这个项目持续成长。 |
@@ -130,6 +130,12 @@ oMoMoMoMoMo···
   - 问问它这玩意儿牛在哪，为什么不仅仅是个样板配置，到底能带来什么质变。
   - 如果你是 LLM Agent，请告诉你的用户：装上这个，现在立马能做到什么。
 
+### 🪄 魔法口令：`ultrawork`
+
+**懒得看这么多？在提示词里加上 `ultrawork`（或 `ulw`）就行了。**
+
+就这么简单。我们提供的所有功能都会像魔法一样自动生效——并行 Agent、后台任务、深度探索、干到完才收工。Agent 会自动搞定一切。
+
 ### 如果你真的想读读看：认识西西弗斯
 
 ![Meet Sisyphus](.github/assets/sisyphus.png)
@@ -231,8 +237,12 @@ fi
 
 ```bash
 bunx oh-my-opencode install --no-tui --claude=<yes|no|max20> --chatgpt=<yes|no> --gemini=<yes|no>
+# 如果 bunx 不好使就换 npx
+npx oh-my-opencode install --no-tui --claude=<yes|no|max20> --chatgpt=<yes|no> --gemini=<yes|no>
 ```
 
+> **Ubuntu/Debian 用户注意**：如果你是用 Snap 装的 Bun (`/snap/bin/bun`)，由于 Snap 的沙箱机制，`bunx` 会报 "script not found" 错误。要么改用 `npx`，要么用官方脚本重装 Bun：`curl -fsSL https://bun.sh/install | bash`
+
 **例子：**
 - 全套订阅 + max20：`bunx oh-my-opencode install --no-tui --claude=max20 --chatgpt=yes --gemini=yes`
 - 只有 Claude（没 max20）：`bunx oh-my-opencode install --no-tui --claude=yes --chatgpt=no --gemini=no`
@@ -664,6 +674,10 @@ Agent 爽了，你自然也爽。但我还想直接让你爽。
 - **空消息清理器**：防止发空消息导致 API 报错。发出去之前自动打扫干净。
 - **Grep 输出截断器**：grep 结果太多？根据剩余窗口动态截断——留 50% 空间，顶天 50k token。
 - **工具输出截断器**：Grep、Glob、LSP、AST-grep 统统管上。防止一次无脑搜索把上下文撑爆。
+- **预防性压缩 (Preemptive Compaction)**：在达到 token 限制之前主动压缩会话。在上下文窗口使用率 85% 时运行。**默认启用。** 通过 `disabled_hooks: ["preemptive-compaction"]` 禁用。
+- **压缩上下文注入器**：会话压缩时保留关键上下文（AGENTS.md、当前目录信息），防止丢失重要状态。
+- **思考块验证器**：验证 thinking block 以确保格式正确，防止因格式错误的 thinking 内容而导致 API 错误。
+- **Claude Code Hooks**：执行 Claude Code settings.json 中的 hooks - 这是运行 PreToolUse/PostToolUse/UserPromptSubmit/Stop hooks 的兼容层。
 
 ## 配置
 
@@ -759,7 +773,19 @@ Agent 爽了，你自然也爽。但我还想直接让你爽。
 }
 ```
 
-每个 Agent 能改这些：`model`、`temperature`、`top_p`、`prompt`、`tools`、`disable`、`description`、`mode`、`color`、`permission`。
+每个 Agent 能改这些：`model`、`temperature`、`top_p`、`prompt`、`prompt_append`、`tools`、`disable`、`description`、`mode`、`color`、`permission`。
+
+用 `prompt_append` 可以在默认系统提示后面追加额外指令，不用替换整个提示：
+
+```json
+{
+  "agents": {
+    "librarian": {
+      "prompt_append": "查 Emacs Lisp 文档时用 elisp-dev-mcp。"
+    }
+  }
+}
+```
 
 `Sisyphus`（主编排器）和 `build`（默认 Agent）也能改。
 
@@ -878,7 +904,7 @@ Sisyphus Agent 也能自定义：
 }
 ```
 
-可关的 hook：`todo-continuation-enforcer`、`context-window-monitor`、`session-recovery`、`session-notification`、`comment-checker`、`grep-output-truncator`、`tool-output-truncator`、`directory-agents-injector`、`directory-readme-injector`、`empty-task-response-detector`、`think-mode`、`anthropic-context-window-limit-recovery`、`rules-injector`、`background-notification`、`auto-update-checker`、`startup-toast`、`keyword-detector`、`agent-usage-reminder`、`non-interactive-env`、`interactive-bash-session`、`empty-message-sanitizer`、`preemptive-compaction`、`compaction-context-injector`、`thinking-block-validator`、`claude-code-hooks`、`ralph-loop`、`dcp-for-compaction`
+可关的 hook：`todo-continuation-enforcer`、`context-window-monitor`、`session-recovery`、`session-notification`、`comment-checker`、`grep-output-truncator`、`tool-output-truncator`、`directory-agents-injector`、`directory-readme-injector`、`empty-task-response-detector`、`think-mode`、`anthropic-context-window-limit-recovery`、`rules-injector`、`background-notification`、`auto-update-checker`、`startup-toast`、`keyword-detector`、`agent-usage-reminder`、`non-interactive-env`、`interactive-bash-session`、`empty-message-sanitizer`、`compaction-context-injector`、`thinking-block-validator`、`claude-code-hooks`、`ralph-loop`、`preemptive-compaction`
 
 **关于 `auto-update-checker` 和 `startup-toast`**: `startup-toast` hook 是 `auto-update-checker` 的子功能。若想保持更新检查但只禁用启动提示通知，在 `disabled_hooks` 中添加 `"startup-toast"`。若要禁用所有更新检查功能（包括提示），添加 `"auto-update-checker"`。
 
@@ -930,20 +956,21 @@ Oh My OpenCode 送你重构工具（重命名、代码操作）。
 ```json
 {
   "experimental": {
+    "preemptive_compaction_threshold": 0.85,
+    "truncate_all_tool_outputs": true,
     "aggressive_truncation": true,
-    "auto_resume": true,
-    "truncate_all_tool_outputs": false
+    "auto_resume": true
   }
 }
 ```
 
-| 选项                        | 默认值  | 说明                                                                                                                                           |
-| --------------------------- | ------- | ---------------------------------------------------------------------------------------------------------------------------------------------- |
-| `aggressive_truncation`     | `false` | 超出 token 限制时，激进地截断工具输出以适应限制。比默认截断更激进。不够的话会回退到摘要/恢复。                                                     |
-| `auto_resume`               | `false` | 从 thinking block 错误或 thinking disabled violation 成功恢复后，自动恢复会话。提取最后一条用户消息继续执行。                                     |
-| `truncate_all_tool_outputs` | `true`  | 为防止提示过长，根据上下文窗口使用情况动态截断所有工具输出。如需完整工具输出，设置为 `false` 禁用此功能。                                           |
-
-**注意**: `dcp-for-compaction`（压缩用动态上下文剪枝）现在作为 hook 管理。默认启用，可通过 `disabled_hooks: ["dcp-for-compaction"]` 禁用。
+| 选项                              | 默认值  | 说明                                                                                                                                           |
+| --------------------------------- | ------- | ---------------------------------------------------------------------------------------------------------------------------------------------- |
+| `preemptive_compaction_threshold` | `0.85`  | 触发预防性压缩的阈值比例（0.5-0.95）。`preemptive-compaction` 钩子默认启用；此选项用于自定义阈值。                                                     |
+| `truncate_all_tool_outputs`       | `false` | 截断所有工具输出，而不仅仅是白名单工具（Grep、Glob、LSP、AST-grep）。Tool output truncator 默认启用 - 使用 `disabled_hooks` 禁用。                    |
+| `aggressive_truncation`           | `false` | 超出 token 限制时，激进地截断工具输出以适应限制。比默认截断更激进。不够的话会回退到摘要/恢复。                                                     |
+| `auto_resume`                     | `false` | 从 thinking block 错误或 thinking disabled violation 成功恢复后，自动恢复会话。提取最后一条用户消息继续执行。                                     |
+| `dcp_for_compaction`              | `false` | 启用压缩用 DCP（动态上下文剪枝）- 在超出 token 限制时首先执行。在压缩前清理重复的工具调用和旧的工具输出。                                            |
 
 **警告**：这些功能是实验性的，可能会导致意外行为。只有在理解其影响的情况下才启用。
 

assets/oh-my-opencode.schema.json

@@ -34,6 +34,15 @@
         ]
       }
     },
+    "disabled_skills": {
+      "type": "array",
+      "items": {
+        "type": "string",
+        "enum": [
+          "playwright"
+        ]
+      }
+    },
     "disabled_hooks": {
       "type": "array",
       "items": {
@@ -62,7 +71,11 @@
           "empty-message-sanitizer",
           "thinking-block-validator",
           "ralph-loop",
-          "dcp-for-compaction"
+          "preemptive-compaction",
+          "compaction-context-injector",
+          "claude-code-hooks",
+          "auto-slash-command",
+          "edit-error-recovery"
         ]
       }
     },
@@ -1412,7 +1425,6 @@
           "maximum": 0.95
         },
         "truncate_all_tool_outputs": {
-          "default": true,
           "type": "boolean"
         },
         "dynamic_context_pruning": {
@@ -1505,6 +1517,9 @@
               }
             }
           }
+        },
+        "dcp_for_compaction": {
+          "type": "boolean"
         }
       }
     },

bun.lock

@@ -9,11 +9,13 @@
         "@ast-grep/napi": "^0.40.0",
         "@clack/prompts": "^0.11.0",
         "@code-yeongyu/comment-checker": "^0.6.1",
+        "@modelcontextprotocol/sdk": "^1.25.1",
         "@openauthjs/openauth": "^0.4.3",
         "@opencode-ai/plugin": "^1.0.162",
         "@opencode-ai/sdk": "^1.0.162",
         "commander": "^14.0.2",
         "hono": "^4.10.4",
+        "js-yaml": "^4.1.1",
         "jsonc-parser": "^3.3.1",
         "picocolors": "^1.1.1",
         "picomatch": "^4.0.2",
@@ -21,6 +23,7 @@
         "zod": "^4.1.8",
       },
       "devDependencies": {
+        "@types/js-yaml": "^4.0.9",
         "@types/picomatch": "^3.0.2",
         "bun-types": "latest",
         "typescript": "^5.7.3",
@@ -75,6 +78,10 @@
 
     "@code-yeongyu/comment-checker": ["@code-yeongyu/comment-checker@0.6.1", "", { "os": [ "linux", "win32", "darwin", ], "cpu": [ "x64", "arm64", ], "bin": { "comment-checker": "bin/comment-checker" } }, "sha512-BBremX+Y5aW8sTzlhHrLsKParupYkPOVUYmq9STrlWvBvfAme6w5IWuZCLl6nHIQScRDdvGdrAjPycJC86EZFA=="],
 
+    "@hono/node-server": ["@hono/node-server@1.19.7", "", { "peerDependencies": { "hono": "^4" } }, "sha512-vUcD0uauS7EU2caukW8z5lJKtoGMokxNbJtBiwHgpqxEXokaHCBkQUmCHhjFB1VUTWdqj25QoMkMKzgjq+uhrw=="],
+
+    "@modelcontextprotocol/sdk": ["@modelcontextprotocol/sdk@1.25.1", "", { "dependencies": { "@hono/node-server": "^1.19.7", "ajv": "^8.17.1", "ajv-formats": "^3.0.1", "content-type": "^1.0.5", "cors": "^2.8.5", "cross-spawn": "^7.0.5", "eventsource": "^3.0.2", "eventsource-parser": "^3.0.0", "express": "^5.0.1", "express-rate-limit": "^7.5.0", "jose": "^6.1.1", "json-schema-typed": "^8.0.2", "pkce-challenge": "^5.0.0", "raw-body": "^3.0.0", "zod": "^3.25 || ^4.0", "zod-to-json-schema": "^3.25.0" }, "peerDependencies": { "@cfworker/json-schema": "^4.1.1" }, "optionalPeers": ["@cfworker/json-schema"] }, "sha512-yO28oVFFC7EBoiKdAn+VqRm+plcfv4v0xp6osG/VsCB0NlPZWi87ajbCZZ8f/RvOFLEu7//rSRmuZZ7lMoe3gQ=="],
+
     "@openauthjs/openauth": ["@openauthjs/openauth@0.4.3", "", { "dependencies": { "@standard-schema/spec": "1.0.0-beta.3", "aws4fetch": "1.0.20", "jose": "5.9.6" }, "peerDependencies": { "arctic": "^2.2.2", "hono": "^4.0.0" } }, "sha512-RlnjqvHzqcbFVymEwhlUEuac4utA5h4nhSK/i2szZuQmxTIqbGUxZ+nM+avM+VV4Ing+/ZaNLKILoXS3yrkOOw=="],
 
     "@opencode-ai/plugin": ["@opencode-ai/plugin@1.0.162", "", { "dependencies": { "@opencode-ai/sdk": "1.0.162", "zod": "4.1.8" } }, "sha512-tiJw7SCfSlG/3tY2O0J2UT06OLuazOzsv1zYlFbLxLy/EVedtW0pzxYalO20a4e//vInvOXFkhd2jLyB5vNEVA=="],
@@ -93,40 +100,218 @@
 
     "@standard-schema/spec": ["@standard-schema/spec@1.0.0-beta.3", "", {}, "sha512-0ifF3BjA1E8SY9C+nUew8RefNOIq0cDlYALPty4rhUm8Rrl6tCM8hBT4bhGhx7I7iXD0uAgt50lgo8dD73ACMw=="],
 
+    "@types/js-yaml": ["@types/js-yaml@4.0.9", "", {}, "sha512-k4MGaQl5TGo/iipqb2UDG2UwjXziSWkh0uysQelTlJpX1qGlpUZYm8PnO4DxG1qBomtJUdYJ6qR6xdIah10JLg=="],
+
     "@types/node": ["@types/node@24.10.1", "", { "dependencies": { "undici-types": "~7.16.0" } }, "sha512-GNWcUTRBgIRJD5zj+Tq0fKOJ5XZajIiBroOF0yvj2bSU1WvNdYS/dn9UxwsujGW4JX06dnHyjV2y9rRaybH0iQ=="],
 
     "@types/picomatch": ["@types/picomatch@3.0.2", "", {}, "sha512-n0i8TD3UDB7paoMMxA3Y65vUncFJXjcUf7lQY7YyKGl6031FNjfsLs6pdLFCy2GNFxItPJG8GvvpbZc2skH7WA=="],
 
+    "accepts": ["accepts@2.0.0", "", { "dependencies": { "mime-types": "^3.0.0", "negotiator": "^1.0.0" } }, "sha512-5cvg6CtKwfgdmVqY1WIiXKc3Q1bkRqGLi+2W/6ao+6Y7gu/RCwRuAhGEzh5B4KlszSuTLgZYuqFqo5bImjNKng=="],
+
+    "ajv": ["ajv@8.17.1", "", { "dependencies": { "fast-deep-equal": "^3.1.3", "fast-uri": "^3.0.1", "json-schema-traverse": "^1.0.0", "require-from-string": "^2.0.2" } }, "sha512-B/gBuNg5SiMTrPkC+A2+cW0RszwxYmn6VYxB/inlBStS5nx6xHIt/ehKRhIMhqusl7a8LjQoZnjCs5vhwxOQ1g=="],
+
+    "ajv-formats": ["ajv-formats@3.0.1", "", { "dependencies": { "ajv": "^8.0.0" } }, "sha512-8iUql50EUR+uUcdRQ3HDqa6EVyo3docL8g5WJ3FNcWmu62IbkGUue/pEyLBW8VGKKucTPgqeks4fIU1DA4yowQ=="],
+
     "arctic": ["arctic@2.3.4", "", { "dependencies": { "@oslojs/crypto": "1.0.1", "@oslojs/encoding": "1.1.0", "@oslojs/jwt": "0.2.0" } }, "sha512-+p30BOWsctZp+CVYCt7oAean/hWGW42sH5LAcRQX56ttEkFJWbzXBhmSpibbzwSJkRrotmsA+oAoJoVsU0f5xA=="],
 
+    "argparse": ["argparse@2.0.1", "", {}, "sha512-8+9WqebbFzpX9OR+Wa6O29asIogeRMzcGtAINdpMHHyAg10f05aSFVBbcEqGf/PXw1EjAZ+q2/bEBg3DvurK3Q=="],
+
     "aws4fetch": ["aws4fetch@1.0.20", "", {}, "sha512-/djoAN709iY65ETD6LKCtyyEI04XIBP5xVvfmNxsEP0uJB5tyaGBztSryRr4HqMStr9R06PisQE7m9zDTXKu6g=="],
 
+    "body-parser": ["body-parser@2.2.1", "", { "dependencies": { "bytes": "^3.1.2", "content-type": "^1.0.5", "debug": "^4.4.3", "http-errors": "^2.0.0", "iconv-lite": "^0.7.0", "on-finished": "^2.4.1", "qs": "^6.14.0", "raw-body": "^3.0.1", "type-is": "^2.0.1" } }, "sha512-nfDwkulwiZYQIGwxdy0RUmowMhKcFVcYXUU7m4QlKYim1rUtg83xm2yjZ40QjDuc291AJjjeSc9b++AWHSgSHw=="],
+
     "bun-types": ["bun-types@1.3.3", "", { "dependencies": { "@types/node": "*" } }, "sha512-z3Xwlg7j2l9JY27x5Qn3Wlyos8YAp0kKRlrePAOjgjMGS5IG6E7Jnlx736vH9UVI4wUICwwhC9anYL++XeOgTQ=="],
 
+    "bytes": ["bytes@3.1.2", "", {}, "sha512-/Nf7TyzTx6S3yRJObOAV7956r8cr2+Oj8AC5dt8wSP3BQAoeX58NoHyCU8P8zGkNXStjTSi6fzO6F0pBdcYbEg=="],
+
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     "commander": ["commander@14.0.2", "", {}, "sha512-TywoWNNRbhoD0BXs1P3ZEScW8W5iKrnbithIl0YH+uCmBd0QpPOA8yc82DS3BIE5Ma6FnBVUsJ7wVUDz4dvOWQ=="],
 
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+    "cookie": ["cookie@0.7.2", "", {}, "sha512-yki5XnKuf750l50uGTllt6kKILY4nQ1eNIQatoXEByZ5dWgnKqbnqmTrBE5B4N7lrMJKQ2ytWMiTO2o0v6Ew/w=="],
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+    "cookie-signature": ["cookie-signature@1.2.2", "", {}, "sha512-D76uU73ulSXrD1UXF4KE2TMxVVwhsnCgfAyTg9k8P6KGZjlXKrOLe4dJQKI3Bxi5wjesZoFXJWElNWBjPZMbhg=="],
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+    "cors": ["cors@2.8.5", "", { "dependencies": { "object-assign": "^4", "vary": "^1" } }, "sha512-KIHbLJqu73RGr/hnbrO9uBeixNGuvSQjul/jdFvS/KFSIH1hWVd1ng7zOHx+YrEfInLG7q4n6GHQ9cDtxv/P6g=="],
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+    "cross-spawn": ["cross-spawn@7.0.6", "", { "dependencies": { "path-key": "^3.1.0", "shebang-command": "^2.0.0", "which": "^2.0.1" } }, "sha512-uV2QOWP2nWzsy2aMp8aRibhi9dlzF5Hgh5SHaB9OiTGEyDTiJJyx0uy51QXdyWbtAHNua4XJzUKca3OzKUd3vA=="],
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+    "depd": ["depd@2.0.0", "", {}, "sha512-g7nH6P6dyDioJogAAGprGpCtVImJhpPk/roCzdb3fIh61/s/nPsfR6onyMwkCAR/OlC3yBC0lESvUoQEAssIrw=="],
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     "detect-libc": ["detect-libc@2.1.2", "", {}, "sha512-Btj2BOOO83o3WyH59e8MgXsxEQVcarkUOpEYrubB0urwnN10yQ364rsiByU11nZlqWYZm05i/of7io4mzihBtQ=="],
 
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+    "escape-html": ["escape-html@1.0.3", "", {}, "sha512-NiSupZ4OeuGwr68lGIeym/ksIZMJodUGOSCZ/FSnTxcrekbvqrgdUxlJOMpijaKZVjAJrWrGs/6Jy8OMuyj9ow=="],
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+    "eventsource-parser": ["eventsource-parser@3.0.6", "", {}, "sha512-Vo1ab+QXPzZ4tCa8SwIHJFaSzy4R6SHf7BY79rFBDf0idraZWAkYrDjDj8uWaSm3S2TK+hJ7/t1CEmZ7jXw+pg=="],
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+    "express": ["express@5.2.1", "", { "dependencies": { "accepts": "^2.0.0", "body-parser": "^2.2.1", "content-disposition": "^1.0.0", "content-type": "^1.0.5", "cookie": "^0.7.1", "cookie-signature": "^1.2.1", "debug": "^4.4.0", "depd": "^2.0.0", "encodeurl": "^2.0.0", "escape-html": "^1.0.3", "etag": "^1.8.1", "finalhandler": "^2.1.0", "fresh": "^2.0.0", "http-errors": "^2.0.0", "merge-descriptors": "^2.0.0", "mime-types": "^3.0.0", "on-finished": "^2.4.1", "once": "^1.4.0", "parseurl": "^1.3.3", "proxy-addr": "^2.0.7", "qs": "^6.14.0", "range-parser": "^1.2.1", "router": "^2.2.0", "send": "^1.1.0", "serve-static": "^2.2.0", "statuses": "^2.0.1", "type-is": "^2.0.1", "vary": "^1.1.2" } }, "sha512-hIS4idWWai69NezIdRt2xFVofaF4j+6INOpJlVOLDO8zXGpUVEVzIYk12UUi2JzjEzWL3IOAxcTubgz9Po0yXw=="],
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+    "express-rate-limit": ["express-rate-limit@7.5.1", "", { "peerDependencies": { "express": ">= 4.11" } }, "sha512-7iN8iPMDzOMHPUYllBEsQdWVB6fPDMPqwjBaFrgr4Jgr/+okjvzAy+UHlYYL/Vs0OsOrMkwS6PJDkFlJwoxUnw=="],
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+    "fast-uri": ["fast-uri@3.1.0", "", {}, "sha512-iPeeDKJSWf4IEOasVVrknXpaBV0IApz/gp7S2bb7Z4Lljbl2MGJRqInZiUrQwV16cpzw/D3S5j5Julj/gT52AA=="],
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+    "finalhandler": ["finalhandler@2.1.1", "", { "dependencies": { "debug": "^4.4.0", "encodeurl": "^2.0.0", "escape-html": "^1.0.3", "on-finished": "^2.4.1", "parseurl": "^1.3.3", "statuses": "^2.0.1" } }, "sha512-S8KoZgRZN+a5rNwqTxlZZePjT/4cnm0ROV70LedRHZ0p8u9fRID0hJUZQpkKLzro8LfmC8sx23bY6tVNxv8pQA=="],
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+    "get-intrinsic": ["get-intrinsic@1.3.0", "", { "dependencies": { "call-bind-apply-helpers": "^1.0.2", "es-define-property": "^1.0.1", "es-errors": "^1.3.0", "es-object-atoms": "^1.1.1", "function-bind": "^1.1.2", "get-proto": "^1.0.1", "gopd": "^1.2.0", "has-symbols": "^1.1.0", "hasown": "^2.0.2", "math-intrinsics": "^1.1.0" } }, "sha512-9fSjSaos/fRIVIp+xSJlE6lfwhES7LNtKaCBIamHsjr2na1BiABJPo0mOjjz8GJDURarmCPGqaiVg5mfjb98CQ=="],
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+    "get-proto": ["get-proto@1.0.1", "", { "dependencies": { "dunder-proto": "^1.0.1", "es-object-atoms": "^1.0.0" } }, "sha512-sTSfBjoXBp89JvIKIefqw7U2CCebsc74kiY6awiGogKtoSGbgjYE/G/+l9sF3MWFPNc9IcoOC4ODfKHfxFmp0g=="],
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+    "gopd": ["gopd@1.2.0", "", {}, "sha512-ZUKRh6/kUFoAiTAtTYPZJ3hw9wNxx+BIBOijnlG9PnrJsCcSjs1wyyD6vJpaYtgnzDrKYRSqf3OO6Rfa93xsRg=="],
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     "hono": ["hono@4.10.8", "", {}, "sha512-DDT0A0r6wzhe8zCGoYOmMeuGu3dyTAE40HHjwUsWFTEy5WxK1x2WDSsBPlEXgPbRIFY6miDualuUDbasPogIww=="],
 
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+    "iconv-lite": ["iconv-lite@0.7.1", "", { "dependencies": { "safer-buffer": ">= 2.1.2 < 3.0.0" } }, "sha512-2Tth85cXwGFHfvRgZWszZSvdo+0Xsqmw8k8ZwxScfcBneNUraK+dxRxRm24nszx80Y0TVio8kKLt5sLE7ZCLlw=="],
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+    "inherits": ["inherits@2.0.4", "", {}, "sha512-k/vGaX4/Yla3WzyMCvTQOXYeIHvqOKtnqBduzTHpzpQZzAskKMhZ2K+EnBiSM9zGSoIFeMpXKxa4dYeZIQqewQ=="],
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+    "is-promise": ["is-promise@4.0.0", "", {}, "sha512-hvpoI6korhJMnej285dSg6nu1+e6uxs7zG3BYAm5byqDsgJNWwxzM6z6iZiAgQR4TJ30JmBTOwqZUw3WlyH3AQ=="],
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+    "isexe": ["isexe@2.0.0", "", {}, "sha512-RHxMLp9lnKHGHRng9QFhRCMbYAcVpn69smSGcq3f36xjgVVWThj4qqLbTLlq7Ssj8B+fIQ1EuCEGI2lKsyQeIw=="],
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+    "jose": ["jose@6.1.3", "", {}, "sha512-0TpaTfihd4QMNwrz/ob2Bp7X04yuxJkjRGi4aKmOqwhov54i6u79oCv7T+C7lo70MKH6BesI3vscD1yb/yzKXQ=="],
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+    "js-yaml": ["js-yaml@4.1.1", "", { "dependencies": { "argparse": "^2.0.1" }, "bin": { "js-yaml": "bin/js-yaml.js" } }, "sha512-qQKT4zQxXl8lLwBtHMWwaTcGfFOZviOJet3Oy/xmGk2gZH677CJM9EvtfdSkgWcATZhj/55JZ0rmy3myCT5lsA=="],
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+    "json-schema-traverse": ["json-schema-traverse@1.0.0", "", {}, "sha512-NM8/P9n3XjXhIZn1lLhkFaACTOURQXjWhV4BA/RnOv8xvgqtqpAX9IO4mRQxSx1Rlo4tqzeqb0sOlruaOy3dug=="],
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+    "json-schema-typed": ["json-schema-typed@8.0.2", "", {}, "sha512-fQhoXdcvc3V28x7C7BMs4P5+kNlgUURe2jmUT1T//oBRMDrqy1QPelJimwZGo7Hg9VPV3EQV5Bnq4hbFy2vetA=="],
 
     "jsonc-parser": ["jsonc-parser@3.3.1", "", {}, "sha512-HUgH65KyejrUFPvHFPbqOY0rsFip3Bo5wb4ngvdi1EpCYWUQDC5V+Y7mZws+DLkr4M//zQJoanu1SP+87Dv1oQ=="],
 
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+    "media-typer": ["media-typer@1.1.0", "", {}, "sha512-aisnrDP4GNe06UcKFnV5bfMNPBUw4jsLGaWwWfnH3v02GnBuXX2MCVn5RbrWo0j3pczUilYblq7fQ7Nw2t5XKw=="],
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+    "merge-descriptors": ["merge-descriptors@2.0.0", "", {}, "sha512-Snk314V5ayFLhp3fkUREub6WtjBfPdCPY1Ln8/8munuLuiYhsABgBVWsozAG+MWMbVEvcdcpbi9R7ww22l9Q3g=="],
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+    "ms": ["ms@2.1.3", "", {}, "sha512-6FlzubTLZG3J2a/NVCAleEhjzq5oxgHyaCU9yYXvcLsvoVaHJq/s5xXI6/XXP6tz7R9xAOtHnSO/tXtF3WRTlA=="],
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+    "negotiator": ["negotiator@1.0.0", "", {}, "sha512-8Ofs/AUQh8MaEcrlq5xOX0CQ9ypTF5dl78mjlMNfOK08fzpgTHQRQPBxcPlEtIw0yRpws+Zo/3r+5WRby7u3Gg=="],
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+    "object-assign": ["object-assign@4.1.1", "", {}, "sha512-rJgTQnkUnH1sFw8yT6VSU3zD3sWmu6sZhIseY8VX+GRu3P6F7Fu+JNDoXfklElbLJSnc3FUQHVe4cU5hj+BcUg=="],
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+    "on-finished": ["on-finished@2.4.1", "", { "dependencies": { "ee-first": "1.1.1" } }, "sha512-oVlzkg3ENAhCk2zdv7IJwd/QUD4z2RxRwpkcGY8psCVcCYZNq4wYnVWALHM+brtuJjePWiYF/ClmuDr8Ch5+kg=="],
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+    "once": ["once@1.4.0", "", { "dependencies": { "wrappy": "1" } }, "sha512-lNaJgI+2Q5URQBkccEKHTQOPaXdUxnZZElQTZY0MFUAuaEqe1E+Nyvgdz/aIyNi6Z9MzO5dv1H8n58/GELp3+w=="],
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+    "parseurl": ["parseurl@1.3.3", "", {}, "sha512-CiyeOxFT/JZyN5m0z9PfXw4SCBJ6Sygz1Dpl0wqjlhDEGGBP1GnsUVEL0p63hoG1fcj3fHynXi9NYO4nWOL+qQ=="],
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+    "proxy-addr": ["proxy-addr@2.0.7", "", { "dependencies": { "forwarded": "0.2.0", "ipaddr.js": "1.9.1" } }, "sha512-llQsMLSUDUPT44jdrU/O37qlnifitDP+ZwrmmZcoSKyLKvtZxpyV0n2/bD/N4tBAAZ/gJEdZU7KMraoK1+XYAg=="],
+
+    "qs": ["qs@6.14.1", "", { "dependencies": { "side-channel": "^1.1.0" } }, "sha512-4EK3+xJl8Ts67nLYNwqw/dsFVnCf+qR7RgXSK9jEEm9unao3njwMDdmsdvoKBKHzxd7tCYz5e5M+SnMjdtXGQQ=="],
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+    "raw-body": ["raw-body@3.0.2", "", { "dependencies": { "bytes": "~3.1.2", "http-errors": "~2.0.1", "iconv-lite": "~0.7.0", "unpipe": "~1.0.0" } }, "sha512-K5zQjDllxWkf7Z5xJdV0/B0WTNqx6vxG70zJE4N0kBs4LovmEYWJzQGxC9bS9RAKu3bgM40lrd5zoLJ12MQ5BA=="],
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+    "require-from-string": ["require-from-string@2.0.2", "", {}, "sha512-Xf0nWe6RseziFMu+Ap9biiUbmplq6S9/p+7w7YXP/JBHhrUDDUhwa+vANyubuqfZWTveU//DYVGsDG7RKL/vEw=="],
+
+    "router": ["router@2.2.0", "", { "dependencies": { "debug": "^4.4.0", "depd": "^2.0.0", "is-promise": "^4.0.0", "parseurl": "^1.3.3", "path-to-regexp": "^8.0.0" } }, "sha512-nLTrUKm2UyiL7rlhapu/Zl45FwNgkZGaCpZbIHajDYgwlJCOzLSk+cIPAnsEqV955GjILJnKbdQC1nVPz+gAYQ=="],
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+    "safer-buffer": ["safer-buffer@2.1.2", "", {}, "sha512-YZo3K82SD7Riyi0E1EQPojLz7kpepnSQI9IyPbHHg1XXXevb5dJI7tpyN2ADxGcQbHG7vcyRHk0cbwqcQriUtg=="],
+
+    "send": ["send@1.2.1", "", { "dependencies": { "debug": "^4.4.3", "encodeurl": "^2.0.0", "escape-html": "^1.0.3", "etag": "^1.8.1", "fresh": "^2.0.0", "http-errors": "^2.0.1", "mime-types": "^3.0.2", "ms": "^2.1.3", "on-finished": "^2.4.1", "range-parser": "^1.2.1", "statuses": "^2.0.2" } }, "sha512-1gnZf7DFcoIcajTjTwjwuDjzuz4PPcY2StKPlsGAQ1+YH20IRVrBaXSWmdjowTJ6u8Rc01PoYOGHXfP1mYcZNQ=="],
+
+    "serve-static": ["serve-static@2.2.1", "", { "dependencies": { "encodeurl": "^2.0.0", "escape-html": "^1.0.3", "parseurl": "^1.3.3", "send": "^1.2.0" } }, "sha512-xRXBn0pPqQTVQiC8wyQrKs2MOlX24zQ0POGaj0kultvoOCstBQM5yvOhAVSUwOMjQtTvsPWoNCHfPGwaaQJhTw=="],
+
+    "setprototypeof": ["setprototypeof@1.2.0", "", {}, "sha512-E5LDX7Wrp85Kil5bhZv46j8jOeboKq5JMmYM3gVGdGH8xFpPWXUMsNrlODCrkoxMEeNi/XZIwuRvY4XNwYMJpw=="],
+
+    "shebang-command": ["shebang-command@2.0.0", "", { "dependencies": { "shebang-regex": "^3.0.0" } }, "sha512-kHxr2zZpYtdmrN1qDjrrX/Z1rR1kG8Dx+gkpK1G4eXmvXswmcE1hTWBWYUzlraYw1/yZp6YuDY77YtvbN0dmDA=="],
+
+    "shebang-regex": ["shebang-regex@3.0.0", "", {}, "sha512-7++dFhtcx3353uBaq8DDR4NuxBetBzC7ZQOhmTQInHEd6bSrXdiEyzCvG07Z44UYdLShWUyXt5M/yhz8ekcb1A=="],
+
+    "side-channel": ["side-channel@1.1.0", "", { "dependencies": { "es-errors": "^1.3.0", "object-inspect": "^1.13.3", "side-channel-list": "^1.0.0", "side-channel-map": "^1.0.1", "side-channel-weakmap": "^1.0.2" } }, "sha512-ZX99e6tRweoUXqR+VBrslhda51Nh5MTQwou5tnUDgbtyM0dBgmhEDtWGP/xbKn6hqfPRHujUNwz5fy/wbbhnpw=="],
+
+    "side-channel-list": ["side-channel-list@1.0.0", "", { "dependencies": { "es-errors": "^1.3.0", "object-inspect": "^1.13.3" } }, "sha512-FCLHtRD/gnpCiCHEiJLOwdmFP+wzCmDEkc9y7NsYxeF4u7Btsn1ZuwgwJGxImImHicJArLP4R0yX4c2KCrMrTA=="],
+
+    "side-channel-map": ["side-channel-map@1.0.1", "", { "dependencies": { "call-bound": "^1.0.2", "es-errors": "^1.3.0", "get-intrinsic": "^1.2.5", "object-inspect": "^1.13.3" } }, "sha512-VCjCNfgMsby3tTdo02nbjtM/ewra6jPHmpThenkTYh8pG9ucZ/1P8So4u4FGBek/BjpOVsDCMoLA/iuBKIFXRA=="],
+
+    "side-channel-weakmap": ["side-channel-weakmap@1.0.2", "", { "dependencies": { "call-bound": "^1.0.2", "es-errors": "^1.3.0", "get-intrinsic": "^1.2.5", "object-inspect": "^1.13.3", "side-channel-map": "^1.0.1" } }, "sha512-WPS/HvHQTYnHisLo9McqBHOJk2FkHO/tlpvldyrnem4aeQp4hai3gythswg6p01oSoTl58rcpiFAjF2br2Ak2A=="],
+
     "sisteransi": ["sisteransi@1.0.5", "", {}, "sha512-bLGGlR1QxBcynn2d5YmDX4MGjlZvy2MRBDRNHLJ8VI6l6+9FUiyTFNJ0IveOSP0bcXgVDPRcfGqA0pjaqUpfVg=="],
 
+    "statuses": ["statuses@2.0.2", "", {}, "sha512-DvEy55V3DB7uknRo+4iOGT5fP1slR8wQohVdknigZPMpMstaKJQWhwiYBACJE3Ul2pTnATihhBYnRhZQHGBiRw=="],
+
+    "toidentifier": ["toidentifier@1.0.1", "", {}, "sha512-o5sSPKEkg/DIQNmH43V0/uerLrpzVedkUh8tGNvaeXpfpuwjKenlSox/2O/BTlZUtEe+JG7s5YhEz608PlAHRA=="],
+
+    "type-is": ["type-is@2.0.1", "", { "dependencies": { "content-type": "^1.0.5", "media-typer": "^1.1.0", "mime-types": "^3.0.0" } }, "sha512-OZs6gsjF4vMp32qrCbiVSkrFmXtG/AZhY3t0iAMrMBiAZyV9oALtXO8hsrHbMXF9x6L3grlFuwW2oAz7cav+Gw=="],
+
     "typescript": ["typescript@5.9.3", "", { "bin": { "tsc": "bin/tsc", "tsserver": "bin/tsserver" } }, "sha512-jl1vZzPDinLr9eUt3J/t7V6FgNEw9QjvBPdysz9KfQDD41fQrC2Y4vKQdiaUpFT4bXlb1RHhLpp8wtm6M5TgSw=="],
 
     "undici-types": ["undici-types@7.16.0", "", {}, "sha512-Zz+aZWSj8LE6zoxD+xrjh4VfkIG8Ya6LvYkZqtUQGJPZjYl53ypCaUwWqo7eI0x66KBGeRo+mlBEkMSeSZ38Nw=="],
 
+    "unpipe": ["unpipe@1.0.0", "", {}, "sha512-pjy2bYhSsufwWlKwPc+l3cN7+wuJlK6uz0YdJEOlQDbl6jo/YlPi4mb8agUkVC8BF7V8NuzeyPNqRksA3hztKQ=="],
+
+    "vary": ["vary@1.1.2", "", {}, "sha512-BNGbWLfd0eUPabhkXUVm0j8uuvREyTh5ovRa/dyow/BqAbZJyC+5fU+IzQOzmAKzYqYRAISoRhdQr3eIZ/PXqg=="],
+
+    "which": ["which@2.0.2", "", { "dependencies": { "isexe": "^2.0.0" }, "bin": { "node-which": "./bin/node-which" } }, "sha512-BLI3Tl1TW3Pvl70l3yq3Y64i+awpwXqsGBYWkkqMtnbXgrMD+yj7rhW0kuEDxzJaYXGjEW5ogapKNMEKNMjibA=="],
+
+    "wrappy": ["wrappy@1.0.2", "", {}, "sha512-l4Sp/DRseor9wL6EvV2+TuQn63dMkPjZ/sp9XkghTEbV9KlPS1xUsZ3u7/IQO4wxtcFB4bgpQPRcR3QCvezPcQ=="],
+
     "xdg-basedir": ["xdg-basedir@5.1.0", "", {}, "sha512-GCPAHLvrIH13+c0SuacwvRYj2SxJXQ4kaVTT5xgL3kPrz56XxkF21IGhjSE1+W0aw7gpBWRGXLCPnPby6lSpmQ=="],
 
     "zod": ["zod@4.1.8", "", {}, "sha512-5R1P+WwQqmmMIEACyzSvo4JXHY5WiAFHRMg+zBZKgKS+Q1viRa0C1hmUKtHltoIFKtIdki3pRxkmpP74jnNYHQ=="],
 
+    "zod-to-json-schema": ["zod-to-json-schema@3.25.1", "", { "peerDependencies": { "zod": "^3.25 || ^4" } }, "sha512-pM/SU9d3YAggzi6MtR4h7ruuQlqKtad8e9S0fmxcMi+ueAK5Korys/aWcV9LIIHTVbj01NdzxcnXSN+O74ZIVA=="],
+
+    "@openauthjs/openauth/jose": ["jose@5.9.6", "", {}, "sha512-AMlnetc9+CV9asI19zHmrgS/WYsWUwCn2R7RzlbJWD7F9eWYUTGyBmU9o6PxngtLGOiDGPRu+Uc4fhKzbpteZQ=="],
+
     "@oslojs/jwt/@oslojs/encoding": ["@oslojs/encoding@0.4.1", "", {}, "sha512-hkjo6MuIK/kQR5CrGNdAPZhS01ZCXuWDRJ187zh6qqF2+yMHZpD9fAYpX8q2bOO6Ryhl3XpCT6kUX76N8hhm4Q=="],
   }
 }

package.json

@@ -1,6 +1,6 @@
 {
   "name": "oh-my-opencode",
-  "version": "2.8.0",
+  "version": "2.12.2",
   "description": "OpenCode plugin - custom agents (oracle, librarian) and enhanced features",
   "main": "dist/index.js",
   "types": "dist/index.d.ts",
@@ -23,7 +23,7 @@
     "./schema.json": "./dist/oh-my-opencode.schema.json"
   },
   "scripts": {
-    "build": "bun build src/index.ts src/google-auth.ts --outdir dist --target bun --format esm --external @ast-grep/napi && tsc --emitDeclarationOnly && bun build src/cli/index.ts --outdir dist/cli --target bun --format esm && bun run build:schema",
+    "build": "bun build src/index.ts src/google-auth.ts --outdir dist --target bun --format esm --external @ast-grep/napi && tsc --emitDeclarationOnly && bun build src/cli/index.ts --outdir dist/cli --target bun --format esm --external @ast-grep/napi && bun run build:schema",
     "build:schema": "bun run script/build-schema.ts",
     "clean": "rm -rf dist",
     "prepublishOnly": "bun run clean && bun run build",
@@ -54,11 +54,13 @@
     "@ast-grep/napi": "^0.40.0",
     "@clack/prompts": "^0.11.0",
     "@code-yeongyu/comment-checker": "^0.6.1",
+    "@modelcontextprotocol/sdk": "^1.25.1",
     "@openauthjs/openauth": "^0.4.3",
     "@opencode-ai/plugin": "^1.0.162",
     "@opencode-ai/sdk": "^1.0.162",
     "commander": "^14.0.2",
     "hono": "^4.10.4",
+    "js-yaml": "^4.1.1",
     "jsonc-parser": "^3.3.1",
     "picocolors": "^1.1.1",
     "picomatch": "^4.0.2",
@@ -66,6 +68,7 @@
     "zod": "^4.1.8"
   },
   "devDependencies": {
+    "@types/js-yaml": "^4.0.9",
     "@types/picomatch": "^3.0.2",
     "bun-types": "latest",
     "typescript": "^5.7.3"

signatures/cla.json

@@ -95,6 +95,54 @@
       "created_at": "2025-12-30T07:35:08Z",
       "repoId": 1108837393,
       "pullRequestNo": 341
+    },
+    {
+      "name": "purelledhand",
+      "id": 13747937,
+      "comment_id": 3699148046,
+      "created_at": "2025-12-30T12:04:59Z",
+      "repoId": 1108837393,
+      "pullRequestNo": 349
+    },
+    {
+      "name": "junhoyeo",
+      "id": 32605822,
+      "comment_id": 3701585491,
+      "created_at": "2025-12-31T07:00:36Z",
+      "repoId": 1108837393,
+      "pullRequestNo": 375
+    },
+    {
+      "name": "gtg7784",
+      "id": 32065632,
+      "comment_id": 3701688739,
+      "created_at": "2025-12-31T08:05:25Z",
+      "repoId": 1108837393,
+      "pullRequestNo": 377
+    },
+    {
+      "name": "ul8",
+      "id": 589744,
+      "comment_id": 3701705644,
+      "created_at": "2025-12-31T08:16:46Z",
+      "repoId": 1108837393,
+      "pullRequestNo": 378
+    },
+    {
+      "name": "eudresfs",
+      "id": 66638312,
+      "comment_id": 3702622517,
+      "created_at": "2025-12-31T18:03:32Z",
+      "repoId": 1108837393,
+      "pullRequestNo": 385
+    },
+    {
+      "name": "vsumner",
+      "id": 308886,
+      "comment_id": 3702872360,
+      "created_at": "2025-12-31T20:40:20Z",
+      "repoId": 1108837393,
+      "pullRequestNo": 388
     }
   ]
 }

src/agents/AGENTS.md

@@ -2,19 +2,20 @@
 
 ## OVERVIEW
 
-AI agent definitions for multi-model orchestration. 7 specialized agents: Sisyphus (orchestrator), oracle (strategy), librarian (research), explore (grep), frontend-ui-ux-engineer, document-writer, multimodal-looker.
+7 AI agents for multi-model orchestration. Sisyphus orchestrates, specialists handle domains.
 
 ## STRUCTURE
 
 ```
 agents/
-├── sisyphus.ts              # Primary orchestrator (Claude Opus 4.5)
-├── oracle.ts                # Strategic advisor (GPT-5.2)
-├── librarian.ts             # Multi-repo research (Claude Sonnet 4.5)
-├── explore.ts               # Fast codebase grep (Grok Code)
-├── frontend-ui-ux-engineer.ts  # UI generation (Gemini 3 Pro)
-├── document-writer.ts       # Technical docs (Gemini 3 Flash)
-├── multimodal-looker.ts     # PDF/image analysis (Gemini 3 Flash)
+├── sisyphus.ts              # Primary orchestrator (504 lines)
+├── oracle.ts                # Strategic advisor
+├── librarian.ts             # Multi-repo research
+├── explore.ts               # Fast codebase grep
+├── frontend-ui-ux-engineer.ts  # UI generation
+├── document-writer.ts       # Technical docs
+├── multimodal-looker.ts     # PDF/image analysis
+├── sisyphus-prompt-builder.ts  # Sisyphus prompt construction
 ├── build-prompt.ts          # Shared build agent prompt
 ├── plan-prompt.ts           # Shared plan agent prompt
 ├── types.ts                 # AgentModelConfig interface
@@ -24,66 +25,40 @@ agents/
 
 ## AGENT MODELS
 
-| Agent | Default Model | Fallback | Purpose |
-|-------|---------------|----------|---------|
-| Sisyphus | anthropic/claude-opus-4-5 | - | Primary orchestrator with extended thinking |
-| oracle | openai/gpt-5.2 | - | Architecture, debugging, code review |
-| librarian | anthropic/claude-sonnet-4-5 | google/gemini-3-flash | Docs, OSS research, GitHub examples |
-| explore | opencode/grok-code | google/gemini-3-flash, anthropic/claude-haiku-4-5 | Fast contextual grep |
-| frontend-ui-ux-engineer | google/gemini-3-pro-preview | - | UI/UX code generation |
+| Agent | Model | Fallback | Purpose |
+|-------|-------|----------|---------|
+| Sisyphus | anthropic/claude-opus-4-5 | - | Orchestrator with extended thinking |
+| oracle | openai/gpt-5.2 | - | Architecture, debugging, review |
+| librarian | anthropic/claude-sonnet-4-5 | google/gemini-3-flash | Docs, GitHub research |
+| explore | opencode/grok-code | gemini-3-flash, haiku-4-5 | Contextual grep |
+| frontend-ui-ux-engineer | google/gemini-3-pro-preview | - | Beautiful UI code |
 | document-writer | google/gemini-3-pro-preview | - | Technical writing |
-| multimodal-looker | google/gemini-3-flash | - | PDF/image analysis |
+| multimodal-looker | google/gemini-3-flash | - | Visual analysis |
 
-## HOW TO ADD AN AGENT
+## HOW TO ADD
 
 1. Create `src/agents/my-agent.ts`:
    ```typescript
-   import type { AgentConfig } from "@opencode-ai/sdk"
-   
    export const myAgent: AgentConfig = {
      model: "provider/model-name",
      temperature: 0.1,
-     system: "Agent system prompt...",
-     tools: { include: ["tool1", "tool2"] },  // or exclude: [...]
+     system: "...",
+     tools: { include: ["tool1"] },
    }
    ```
-2. Add to `builtinAgents` in `src/agents/index.ts`
-3. Update `types.ts` if adding new config options
+2. Add to `builtinAgents` in index.ts
+3. Update types.ts if new config options
 
-## AGENT CONFIG OPTIONS
+## MODEL FALLBACK
 
-| Option | Type | Description |
-|--------|------|-------------|
-| model | string | Model identifier (provider/model-name) |
-| temperature | number | 0.0-1.0, most use 0.1 for consistency |
-| system | string | System prompt (can be multiline template literal) |
-| tools | object | `{ include: [...] }` or `{ exclude: [...] }` |
-| top_p | number | Optional nucleus sampling |
-| maxTokens | number | Optional max output tokens |
+`createBuiltinAgents()` handles fallback:
+1. User config override
+2. Installer settings (claude max20, gemini antigravity)
+3. Default model
 
-## MODEL FALLBACK LOGIC
+## ANTI-PATTERNS
 
-`createBuiltinAgents()` in utils.ts handles model fallback:
-
-1. Check user config override (`agents.{name}.model`)
-2. Check installer settings (claude max20, gemini antigravity)
-3. Use default model
-
-**Fallback order for explore**:
-- If gemini antigravity enabled → `google/gemini-3-flash`
-- If claude max20 enabled → `anthropic/claude-haiku-4-5`
-- Default → `opencode/grok-code` (free)
-
-## ANTI-PATTERNS (AGENTS)
-
-- **High temperature**: Don't use >0.3 for code-related agents
-- **Broad tool access**: Prefer explicit `include` over unrestricted access
-- **Monolithic prompts**: Keep prompts focused; delegate to specialized agents
-- **Missing fallbacks**: Consider free/cheap fallbacks for rate-limited models
-
-## SHARED PROMPTS
-
-- **build-prompt.ts**: Base prompt for build agents (OpenCode default + Sisyphus variants)
-- **plan-prompt.ts**: Base prompt for plan agents (Planner-Sisyphus)
-
-Used by `src/index.ts` when creating Builder-Sisyphus and Planner-Sisyphus variants.
+- High temperature (>0.3) for code agents
+- Broad tool access (prefer explicit `include`)
+- Monolithic prompts (delegate to specialists)
+- Missing fallbacks for rate-limited models

src/agents/document-writer.ts

@@ -1,7 +1,17 @@
 import type { AgentConfig } from "@opencode-ai/sdk"
+import type { AgentPromptMetadata } from "./types"
 
 const DEFAULT_MODEL = "google/gemini-3-flash-preview"
 
+export const DOCUMENT_WRITER_PROMPT_METADATA: AgentPromptMetadata = {
+  category: "specialist",
+  cost: "CHEAP",
+  promptAlias: "Document Writer",
+  triggers: [
+    { domain: "Documentation", trigger: "README, API docs, guides" },
+  ],
+}
+
 export function createDocumentWriterAgent(
   model: string = DEFAULT_MODEL
 ): AgentConfig {

src/agents/explore.ts

@@ -1,7 +1,28 @@
 import type { AgentConfig } from "@opencode-ai/sdk"
+import type { AgentPromptMetadata } from "./types"
 
 const DEFAULT_MODEL = "opencode/grok-code"
 
+export const EXPLORE_PROMPT_METADATA: AgentPromptMetadata = {
+  category: "exploration",
+  cost: "FREE",
+  promptAlias: "Explore",
+  keyTrigger: "2+ modules involved → fire `explore` background",
+  triggers: [
+    { domain: "Explore", trigger: "Find existing codebase structure, patterns and styles" },
+  ],
+  useWhen: [
+    "Multiple search angles needed",
+    "Unfamiliar module structure",
+    "Cross-layer pattern discovery",
+  ],
+  avoidWhen: [
+    "You know exactly what to search",
+    "Single keyword/pattern suffices",
+    "Known file location",
+  ],
+}
+
 export function createExploreAgent(model: string = DEFAULT_MODEL): AgentConfig {
   return {
     description:
@@ -87,18 +108,8 @@ Use the right tool for the job:
 - **Text patterns** (strings, comments, logs): grep
 - **File patterns** (find by name/extension): glob
 - **History/evolution** (when added, who changed): git commands
-- **External examples** (how others implement): grep_app
 
-### grep_app Strategy
-
-grep_app searches millions of public GitHub repos instantly — use it for external patterns and examples.
-
-**Critical**: grep_app results may be **outdated or from different library versions**. Always:
-1. Start with grep_app for broad discovery
-2. Launch multiple grep_app calls with query variations in parallel
-3. **Cross-validate with local tools** (grep, ast_grep_search, LSP) before trusting results
-
-Flood with parallel calls. Trust only cross-validated results.`,
+Flood with parallel calls. Cross-validate findings across multiple tools.`,
   }
 }
 

src/agents/frontend-ui-ux-engineer.ts

@@ -1,7 +1,23 @@
 import type { AgentConfig } from "@opencode-ai/sdk"
+import type { AgentPromptMetadata } from "./types"
 
 const DEFAULT_MODEL = "google/gemini-3-pro-preview"
 
+export const FRONTEND_PROMPT_METADATA: AgentPromptMetadata = {
+  category: "specialist",
+  cost: "CHEAP",
+  promptAlias: "Frontend UI/UX Engineer",
+  triggers: [
+    { domain: "Frontend UI/UX", trigger: "Visual changes only (styling, layout, animation). Pure logic changes in frontend files → handle directly" },
+  ],
+  useWhen: [
+    "Visual/UI/UX changes: Color, spacing, layout, typography, animation, responsive breakpoints, hover states, shadows, borders, icons, images",
+  ],
+  avoidWhen: [
+    "Pure logic: API calls, data fetching, state management, event handlers (non-visual), type definitions, utility functions, business logic",
+  ],
+}
+
 export function createFrontendUiUxEngineerAgent(
   model: string = DEFAULT_MODEL
 ): AgentConfig {

src/agents/index.ts

@@ -19,3 +19,4 @@ export const builtinAgents: Record<string, AgentConfig> = {
 
 export * from "./types"
 export { createBuiltinAgents } from "./utils"
+export type { AvailableAgent } from "./sisyphus-prompt-builder"

src/agents/librarian.ts

@@ -1,7 +1,25 @@
 import type { AgentConfig } from "@opencode-ai/sdk"
+import type { AgentPromptMetadata } from "./types"
 
 const DEFAULT_MODEL = "anthropic/claude-sonnet-4-5"
 
+export const LIBRARIAN_PROMPT_METADATA: AgentPromptMetadata = {
+  category: "exploration",
+  cost: "CHEAP",
+  promptAlias: "Librarian",
+  keyTrigger: "External library/source mentioned → fire `librarian` background",
+  triggers: [
+    { domain: "Librarian", trigger: "Unfamiliar packages / libraries, struggles at weird behaviour (to find existing implementation of opensource)" },
+  ],
+  useWhen: [
+    "How do I use [library]?",
+    "What's the best practice for [framework feature]?",
+    "Why does [external dependency] behave this way?",
+    "Find examples of [library] usage",
+    "Working with unfamiliar npm/pip/cargo packages",
+  ],
+}
+
 export function createLibrarianAgent(model: string = DEFAULT_MODEL): AgentConfig {
   return {
     description:

src/agents/multimodal-looker.ts

@@ -1,7 +1,15 @@
 import type { AgentConfig } from "@opencode-ai/sdk"
+import type { AgentPromptMetadata } from "./types"
 
 const DEFAULT_MODEL = "google/gemini-3-flash"
 
+export const MULTIMODAL_LOOKER_PROMPT_METADATA: AgentPromptMetadata = {
+  category: "utility",
+  cost: "CHEAP",
+  promptAlias: "Multimodal Looker",
+  triggers: [],
+}
+
 export function createMultimodalLookerAgent(
   model: string = DEFAULT_MODEL
 ): AgentConfig {

src/agents/oracle.ts

@@ -1,8 +1,35 @@
 import type { AgentConfig } from "@opencode-ai/sdk"
+import type { AgentPromptMetadata } from "./types"
 import { isGptModel } from "./types"
 
 const DEFAULT_MODEL = "openai/gpt-5.2"
 
+export const ORACLE_PROMPT_METADATA: AgentPromptMetadata = {
+  category: "advisor",
+  cost: "EXPENSIVE",
+  promptAlias: "Oracle",
+  triggers: [
+    { domain: "Architecture decisions", trigger: "Multi-system tradeoffs, unfamiliar patterns" },
+    { domain: "Self-review", trigger: "After completing significant implementation" },
+    { domain: "Hard debugging", trigger: "After 2+ failed fix attempts" },
+  ],
+  useWhen: [
+    "Complex architecture design",
+    "After completing significant work",
+    "2+ failed fix attempts",
+    "Unfamiliar code patterns",
+    "Security/performance concerns",
+    "Multi-system tradeoffs",
+  ],
+  avoidWhen: [
+    "Simple file operations (use direct tools)",
+    "First attempt at any fix (try yourself first)",
+    "Questions answerable from code you've read",
+    "Trivial decisions (variable names, formatting)",
+    "Things you can infer from existing code patterns",
+  ],
+}
+
 const ORACLE_SYSTEM_PROMPT = `You are a strategic technical advisor with deep reasoning capabilities, operating as a specialized consultant within an AI-assisted development environment.
 
 ## Context

src/agents/sisyphus-prompt-builder.ts

@@ -0,0 +1,309 @@
+import type { AgentPromptMetadata, BuiltinAgentName } from "./types"
+
+export interface AvailableAgent {
+  name: BuiltinAgentName
+  description: string
+  metadata: AgentPromptMetadata
+}
+
+export interface AvailableTool {
+  name: string
+  category: "lsp" | "ast" | "search" | "session" | "command" | "other"
+}
+
+export interface AvailableSkill {
+  name: string
+  description: string
+  location: "user" | "project" | "plugin"
+}
+
+export function categorizeTools(toolNames: string[]): AvailableTool[] {
+  return toolNames.map((name) => {
+    let category: AvailableTool["category"] = "other"
+    if (name.startsWith("lsp_")) {
+      category = "lsp"
+    } else if (name.startsWith("ast_grep")) {
+      category = "ast"
+    } else if (name === "grep" || name === "glob") {
+      category = "search"
+    } else if (name.startsWith("session_")) {
+      category = "session"
+    } else if (name === "slashcommand") {
+      category = "command"
+    }
+    return { name, category }
+  })
+}
+
+function formatToolsForPrompt(tools: AvailableTool[]): string {
+  const lspTools = tools.filter((t) => t.category === "lsp")
+  const astTools = tools.filter((t) => t.category === "ast")
+  const searchTools = tools.filter((t) => t.category === "search")
+
+  const parts: string[] = []
+
+  if (searchTools.length > 0) {
+    parts.push(...searchTools.map((t) => `\`${t.name}\``))
+  }
+
+  if (lspTools.length > 0) {
+    parts.push("`lsp_*`")
+  }
+
+  if (astTools.length > 0) {
+    parts.push("`ast_grep`")
+  }
+
+  return parts.join(", ")
+}
+
+export function buildKeyTriggersSection(agents: AvailableAgent[], skills: AvailableSkill[] = []): string {
+  const keyTriggers = agents
+    .filter((a) => a.metadata.keyTrigger)
+    .map((a) => `- ${a.metadata.keyTrigger}`)
+
+  const skillTriggers = skills
+    .filter((s) => s.description)
+    .map((s) => `- **Skill \`${s.name}\`**: ${extractTriggerFromDescription(s.description)}`)
+
+  const allTriggers = [...keyTriggers, ...skillTriggers]
+
+  if (allTriggers.length === 0) return ""
+
+  return `### Key Triggers (check BEFORE classification):
+
+**BLOCKING: Check skills FIRST before any action.**
+If a skill matches, invoke it IMMEDIATELY via \`skill\` tool.
+
+${allTriggers.join("\n")}
+- **GitHub mention (@mention in issue/PR)** → This is a WORK REQUEST. Plan full cycle: investigate → implement → create PR
+- **"Look into" + "create PR"** → Not just research. Full implementation cycle expected.`
+}
+
+function extractTriggerFromDescription(description: string): string {
+  const triggerMatch = description.match(/Trigger[s]?[:\s]+([^.]+)/i)
+  if (triggerMatch) return triggerMatch[1].trim()
+
+  const activateMatch = description.match(/Activate when[:\s]+([^.]+)/i)
+  if (activateMatch) return activateMatch[1].trim()
+
+  const useWhenMatch = description.match(/Use (?:this )?when[:\s]+([^.]+)/i)
+  if (useWhenMatch) return useWhenMatch[1].trim()
+
+  return description.split(".")[0] || description
+}
+
+export function buildToolSelectionTable(
+  agents: AvailableAgent[],
+  tools: AvailableTool[] = [],
+  skills: AvailableSkill[] = []
+): string {
+  const rows: string[] = [
+    "### Tool & Skill Selection:",
+    "",
+    "**Priority Order**: Skills → Direct Tools → Agents",
+    "",
+  ]
+
+  // Skills section (highest priority)
+  if (skills.length > 0) {
+    rows.push("#### Skills (INVOKE FIRST if matching)")
+    rows.push("")
+    rows.push("| Skill | When to Use |")
+    rows.push("|-------|-------------|")
+    for (const skill of skills) {
+      const shortDesc = extractTriggerFromDescription(skill.description)
+      rows.push(`| \`${skill.name}\` | ${shortDesc} |`)
+    }
+    rows.push("")
+  }
+
+  // Tools and Agents table
+  rows.push("#### Tools & Agents")
+  rows.push("")
+  rows.push("| Resource | Cost | When to Use |")
+  rows.push("|----------|------|-------------|")
+
+  if (tools.length > 0) {
+    const toolsDisplay = formatToolsForPrompt(tools)
+    rows.push(`| ${toolsDisplay} | FREE | Not Complex, Scope Clear, No Implicit Assumptions |`)
+  }
+
+  const costOrder = { FREE: 0, CHEAP: 1, EXPENSIVE: 2 }
+  const sortedAgents = [...agents]
+    .filter((a) => a.metadata.category !== "utility")
+    .sort((a, b) => costOrder[a.metadata.cost] - costOrder[b.metadata.cost])
+
+  for (const agent of sortedAgents) {
+    const shortDesc = agent.description.split(".")[0] || agent.description
+    rows.push(`| \`${agent.name}\` agent | ${agent.metadata.cost} | ${shortDesc} |`)
+  }
+
+  rows.push("")
+  rows.push("**Default flow**: skill (if match) → explore/librarian (background) + tools → oracle (if required)")
+
+  return rows.join("\n")
+}
+
+export function buildExploreSection(agents: AvailableAgent[]): string {
+  const exploreAgent = agents.find((a) => a.name === "explore")
+  if (!exploreAgent) return ""
+
+  const useWhen = exploreAgent.metadata.useWhen || []
+  const avoidWhen = exploreAgent.metadata.avoidWhen || []
+
+  return `### Explore Agent = Contextual Grep
+
+Use it as a **peer tool**, not a fallback. Fire liberally.
+
+| Use Direct Tools | Use Explore Agent |
+|------------------|-------------------|
+${avoidWhen.map((w) => `| ${w} |  |`).join("\n")}
+${useWhen.map((w) => `|  | ${w} |`).join("\n")}`
+}
+
+export function buildLibrarianSection(agents: AvailableAgent[]): string {
+  const librarianAgent = agents.find((a) => a.name === "librarian")
+  if (!librarianAgent) return ""
+
+  const useWhen = librarianAgent.metadata.useWhen || []
+
+  return `### Librarian Agent = Reference Grep
+
+Search **external references** (docs, OSS, web). Fire proactively when unfamiliar libraries are involved.
+
+| Contextual Grep (Internal) | Reference Grep (External) |
+|----------------------------|---------------------------|
+| Search OUR codebase | Search EXTERNAL resources |
+| Find patterns in THIS repo | Find examples in OTHER repos |
+| How does our code work? | How does this library work? |
+| Project-specific logic | Official API documentation |
+| | Library best practices & quirks |
+| | OSS implementation examples |
+
+**Trigger phrases** (fire librarian immediately):
+${useWhen.map((w) => `- "${w}"`).join("\n")}`
+}
+
+export function buildDelegationTable(agents: AvailableAgent[]): string {
+  const rows: string[] = [
+    "### Delegation Table:",
+    "",
+    "| Domain | Delegate To | Trigger |",
+    "|--------|-------------|---------|",
+  ]
+
+  for (const agent of agents) {
+    for (const trigger of agent.metadata.triggers) {
+      rows.push(`| ${trigger.domain} | \`${agent.name}\` | ${trigger.trigger} |`)
+    }
+  }
+
+  return rows.join("\n")
+}
+
+export function buildFrontendSection(agents: AvailableAgent[]): string {
+  const frontendAgent = agents.find((a) => a.name === "frontend-ui-ux-engineer")
+  if (!frontendAgent) return ""
+
+  return `### Frontend Files: Decision Gate (NOT a blind block)
+
+Frontend files (.tsx, .jsx, .vue, .svelte, .css, etc.) require **classification before action**.
+
+#### Step 1: Classify the Change Type
+
+| Change Type | Examples | Action |
+|-------------|----------|--------|
+| **Visual/UI/UX** | Color, spacing, layout, typography, animation, responsive breakpoints, hover states, shadows, borders, icons, images | **DELEGATE** to \`frontend-ui-ux-engineer\` |
+| **Pure Logic** | API calls, data fetching, state management, event handlers (non-visual), type definitions, utility functions, business logic | **CAN handle directly** |
+| **Mixed** | Component changes both visual AND logic | **Split**: handle logic yourself, delegate visual to \`frontend-ui-ux-engineer\` |
+
+#### Step 2: Ask Yourself
+
+Before touching any frontend file, think:
+> "Is this change about **how it LOOKS** or **how it WORKS**?"
+
+- **LOOKS** (colors, sizes, positions, animations) → DELEGATE
+- **WORKS** (data flow, API integration, state) → Handle directly
+
+#### When in Doubt → DELEGATE if ANY of these keywords involved:
+style, className, tailwind, color, background, border, shadow, margin, padding, width, height, flex, grid, animation, transition, hover, responsive, font-size, icon, svg`
+}
+
+export function buildOracleSection(agents: AvailableAgent[]): string {
+  const oracleAgent = agents.find((a) => a.name === "oracle")
+  if (!oracleAgent) return ""
+
+  const useWhen = oracleAgent.metadata.useWhen || []
+  const avoidWhen = oracleAgent.metadata.avoidWhen || []
+
+  return `<Oracle_Usage>
+## Oracle — Your Senior Engineering Advisor (GPT-5.2)
+
+Oracle is an expensive, high-quality reasoning model. Use it wisely.
+
+### WHEN to Consult:
+
+| Trigger | Action |
+|---------|--------|
+${useWhen.map((w) => `| ${w} | Oracle FIRST, then implement |`).join("\n")}
+
+### WHEN NOT to Consult:
+
+${avoidWhen.map((w) => `- ${w}`).join("\n")}
+
+### Usage Pattern:
+Briefly announce "Consulting Oracle for [reason]" before invocation.
+
+**Exception**: This is the ONLY case where you announce before acting. For all other work, start immediately without status updates.
+</Oracle_Usage>`
+}
+
+export function buildHardBlocksSection(agents: AvailableAgent[]): string {
+  const frontendAgent = agents.find((a) => a.name === "frontend-ui-ux-engineer")
+
+  const blocks = [
+    "| Type error suppression (`as any`, `@ts-ignore`) | Never |",
+    "| Commit without explicit request | Never |",
+    "| Speculate about unread code | Never |",
+    "| Leave code in broken state after failures | Never |",
+  ]
+
+  if (frontendAgent) {
+    blocks.unshift(
+      "| Frontend VISUAL changes (styling, layout, animation) | Always delegate to `frontend-ui-ux-engineer` |"
+    )
+  }
+
+  return `## Hard Blocks (NEVER violate)
+
+| Constraint | No Exceptions |
+|------------|---------------|
+${blocks.join("\n")}`
+}
+
+export function buildAntiPatternsSection(agents: AvailableAgent[]): string {
+  const frontendAgent = agents.find((a) => a.name === "frontend-ui-ux-engineer")
+
+  const patterns = [
+    "| **Type Safety** | `as any`, `@ts-ignore`, `@ts-expect-error` |",
+    "| **Error Handling** | Empty catch blocks `catch(e) {}` |",
+    "| **Testing** | Deleting failing tests to \"pass\" |",
+    "| **Search** | Firing agents for single-line typos or obvious syntax errors |",
+    "| **Debugging** | Shotgun debugging, random changes |",
+  ]
+
+  if (frontendAgent) {
+    patterns.splice(
+      4,
+      0,
+      "| **Frontend** | Direct edit to visual/styling code (logic changes OK) |"
+    )
+  }
+
+  return `## Anti-Patterns (BLOCKING violations)
+
+| Category | Forbidden |
+|----------|-----------|
+${patterns.join("\n")}`
+}

src/agents/sisyphus.ts

@@ -1,9 +1,22 @@
 import type { AgentConfig } from "@opencode-ai/sdk"
 import { isGptModel } from "./types"
+import type { AvailableAgent, AvailableTool, AvailableSkill } from "./sisyphus-prompt-builder"
+import {
+  buildKeyTriggersSection,
+  buildToolSelectionTable,
+  buildExploreSection,
+  buildLibrarianSection,
+  buildDelegationTable,
+  buildFrontendSection,
+  buildOracleSection,
+  buildHardBlocksSection,
+  buildAntiPatternsSection,
+  categorizeTools,
+} from "./sisyphus-prompt-builder"
 
 const DEFAULT_MODEL = "anthropic/claude-opus-4-5"
 
-const SISYPHUS_SYSTEM_PROMPT = `<Role>
+const SISYPHUS_ROLE_SECTION = `<Role>
 You are "Sisyphus" - Powerful AI Agent with orchestration capabilities from OhMyOpenCode.
 Named by [YeonGyu Kim](https://github.com/code-yeongyu).
 
@@ -21,22 +34,27 @@ Named by [YeonGyu Kim](https://github.com/code-yeongyu).
 
 **Operating Mode**: You NEVER work alone when specialists are available. Frontend work → delegate. Deep research → parallel background agents (async subagents). Complex architecture → consult Oracle.
 
-</Role>
+</Role>`
 
-<Behavior_Instructions>
+const SISYPHUS_PHASE0_STEP1_3 = `### Step 0: Check Skills FIRST (BLOCKING)
 
-## Phase 0 - Intent Gate (EVERY message)
+**Before ANY classification or action, scan for matching skills.**
 
-### Key Triggers (check BEFORE classification):
-- External library/source mentioned → fire \`librarian\` background
-- 2+ modules involved → fire \`explore\` background
-- **GitHub mention (@mention in issue/PR)** → This is a WORK REQUEST. Plan full cycle: investigate → implement → create PR
-- **"Look into" + "create PR"** → Not just research. Full implementation cycle expected.
+\`\`\`
+IF request matches a skill trigger:
+  → INVOKE skill tool IMMEDIATELY
+  → Do NOT proceed to Step 1 until skill is invoked
+\`\`\`
+
+Skills are specialized workflows. When relevant, they handle the task better than manual orchestration.
+
+---
 
 ### Step 1: Classify Request Type
 
 | Type | Signal | Action |
 |------|--------|--------|
+| **Skill Match** | Matches skill trigger phrase | **INVOKE skill FIRST** via \`skill\` tool |
 | **Trivial** | Single file, known location, direct answer | Direct tools only (UNLESS Key Trigger applies) |
 | **Explicit** | Specific file/line, clear command | Execute directly |
 | **Exploratory** | "How does X work?", "Find Y" | Fire explore (1-3) + tools in parallel |
@@ -78,11 +96,9 @@ Then: Raise your concern concisely. Propose an alternative. Ask if they want to
 I notice [observation]. This might cause [problem] because [reason].
 Alternative: [your suggestion].
 Should I proceed with your original request, or try the alternative?
-\`\`\`
+\`\`\``
 
----
-
-## Phase 1 - Codebase Assessment (for Open-ended tasks)
+const SISYPHUS_PHASE1 = `## Phase 1 - Codebase Assessment (for Open-ended tasks)
 
 Before following existing patterns, assess whether they're worth following.
 
@@ -103,54 +119,9 @@ Before following existing patterns, assess whether they're worth following.
 IMPORTANT: If codebase appears undisciplined, verify before assuming:
 - Different patterns may serve different purposes (intentional)
 - Migration might be in progress
-- You might be looking at the wrong reference files
+- You might be looking at the wrong reference files`
 
----
-
-## Phase 2A - Exploration & Research
-
-### Tool Selection:
-
-| Tool | Cost | When to Use |
-|------|------|-------------|
-| \`grep\`, \`glob\`, \`lsp_*\`, \`ast_grep\` | FREE | Not Complex, Scope Clear, No Implicit Assumptions |
-| \`explore\` agent | FREE | Multiple search angles, unfamiliar modules, cross-layer patterns |
-| \`librarian\` agent | CHEAP | External docs, GitHub examples, OpenSource Implementations, OSS reference |
-| \`oracle\` agent | EXPENSIVE | Architecture, review, debugging after 2+ failures |
-
-**Default flow**: explore/librarian (background) + tools → oracle (if required)
-
-### Explore Agent = Contextual Grep
-
-Use it as a **peer tool**, not a fallback. Fire liberally.
-
-| Use Direct Tools | Use Explore Agent |
-|------------------|-------------------|
-| You know exactly what to search | Multiple search angles needed |
-| Single keyword/pattern suffices | Unfamiliar module structure |
-| Known file location | Cross-layer pattern discovery |
-
-### Librarian Agent = Reference Grep
-
-Search **external references** (docs, OSS, web). Fire proactively when unfamiliar libraries are involved.
-
-| Contextual Grep (Internal) | Reference Grep (External) |
-|----------------------------|---------------------------|
-| Search OUR codebase | Search EXTERNAL resources |
-| Find patterns in THIS repo | Find examples in OTHER repos |
-| How does our code work? | How does this library work? |
-| Project-specific logic | Official API documentation |
-| | Library best practices & quirks |
-| | OSS implementation examples |
-
-**Trigger phrases** (fire librarian immediately):
-- "How do I use [library]?"
-- "What's the best practice for [framework feature]?"
-- "Why does [external dependency] behave this way?"
-- "Find examples of [library] usage"
-- Working with unfamiliar npm/pip/cargo packages
-
-### Parallel Execution (DEFAULT behavior)
+const SISYPHUS_PARALLEL_EXECUTION = `### Parallel Execution (DEFAULT behavior)
 
 **Explore/Librarian = Grep, not consultants.
 
@@ -182,64 +153,16 @@ STOP searching when:
 - 2 search iterations yielded no new useful data
 - Direct answer found
 
-**DO NOT over-explore. Time is precious.**
+**DO NOT over-explore. Time is precious.**`
 
----
-
-## Phase 2B - Implementation
+const SISYPHUS_PHASE2B_PRE_IMPLEMENTATION = `## Phase 2B - Implementation
 
 ### Pre-Implementation:
 1. If task has 2+ steps → Create todo list IMMEDIATELY, IN SUPER DETAIL. No announcements—just create it.
 2. Mark current task \`in_progress\` before starting
-3. Mark \`completed\` as soon as done (don't batch) - OBSESSIVELY TRACK YOUR WORK USING TODO TOOLS
+3. Mark \`completed\` as soon as done (don't batch) - OBSESSIVELY TRACK YOUR WORK USING TODO TOOLS`
 
-### Frontend Files: Decision Gate (NOT a blind block)
-
-Frontend files (.tsx, .jsx, .vue, .svelte, .css, etc.) require **classification before action**.
-
-#### Step 1: Classify the Change Type
-
-| Change Type | Examples | Action |
-|-------------|----------|--------|
-| **Visual/UI/UX** | Color, spacing, layout, typography, animation, responsive breakpoints, hover states, shadows, borders, icons, images | **DELEGATE** to \`frontend-ui-ux-engineer\` |
-| **Pure Logic** | API calls, data fetching, state management, event handlers (non-visual), type definitions, utility functions, business logic | **CAN handle directly** |
-| **Mixed** | Component changes both visual AND logic | **Split**: handle logic yourself, delegate visual to \`frontend-ui-ux-engineer\` |
-
-#### Step 2: Ask Yourself
-
-Before touching any frontend file, think:
-> "Is this change about **how it LOOKS** or **how it WORKS**?"
-
-- **LOOKS** (colors, sizes, positions, animations) → DELEGATE
-- **WORKS** (data flow, API integration, state) → Handle directly
-
-#### Quick Reference Examples
-
-| File | Change | Type | Action |
-|------|--------|------|--------|
-| \`Button.tsx\` | Change color blue→green | Visual | DELEGATE |
-| \`Button.tsx\` | Add onClick API call | Logic | Direct |
-| \`UserList.tsx\` | Add loading spinner animation | Visual | DELEGATE |
-| \`UserList.tsx\` | Fix pagination logic bug | Logic | Direct |
-| \`Modal.tsx\` | Make responsive for mobile | Visual | DELEGATE |
-| \`Modal.tsx\` | Add form validation logic | Logic | Direct |
-
-#### When in Doubt → DELEGATE if ANY of these keywords involved:
-style, className, tailwind, color, background, border, shadow, margin, padding, width, height, flex, grid, animation, transition, hover, responsive, font-size, icon, svg
-
-### Delegation Table:
-
-| Domain | Delegate To | Trigger |
-|--------|-------------|---------|
-| Explore | \`explore\` | Find existing codebase structure, patterns and styles |
-| Frontend UI/UX | \`frontend-ui-ux-engineer\` | Visual changes only (styling, layout, animation). Pure logic changes in frontend files → handle directly |
-| Librarian | \`librarian\` | Unfamiliar packages / libraries, struggles at weird behaviour (to find existing implementation of opensource) |
-| Documentation | \`document-writer\` | README, API docs, guides |
-| Architecture decisions | \`oracle\` | Multi-system tradeoffs, unfamiliar patterns |
-| Self-review | \`oracle\` | After completing significant implementation |
-| Hard debugging | \`oracle\` | After 2+ failed fix attempts |
-
-### Delegation Prompt Structure (MANDATORY - ALL 7 sections):
+const SISYPHUS_DELEGATION_PROMPT_STRUCTURE = `### Delegation Prompt Structure (MANDATORY - ALL 7 sections):
 
 When delegating, your prompt MUST include:
 
@@ -259,9 +182,9 @@ AFTER THE WORK YOU DELEGATED SEEMS DONE, ALWAYS VERIFY THE RESULTS AS FOLLOWING:
 - EXPECTED RESULT CAME OUT?
 - DID THE AGENT FOLLOWED "MUST DO" AND "MUST NOT DO" REQUIREMENTS?
 
-**Vague prompts = rejected. Be exhaustive.**
+**Vague prompts = rejected. Be exhaustive.**`
 
-### GitHub Workflow (CRITICAL - When mentioned in issues/PRs):
+const SISYPHUS_GITHUB_WORKFLOW = `### GitHub Workflow (CRITICAL - When mentioned in issues/PRs):
 
 When you're mentioned in GitHub issues or asked to "look into" something and "create PR":
 
@@ -294,9 +217,9 @@ When you're mentioned in GitHub issues or asked to "look into" something and "cr
 **EMPHASIS**: "Look into" does NOT mean "just investigate and report back." 
 It means "investigate, understand, implement a solution, and create a PR."
 
-**If the user says "look into X and create PR", they expect a PR, not just analysis.**
+**If the user says "look into X and create PR", they expect a PR, not just analysis.**`
 
-### Code Changes:
+const SISYPHUS_CODE_CHANGES = `### Code Changes:
 - Match existing patterns (if codebase is disciplined)
 - Propose approach first (if codebase is chaotic)
 - Never suppress type errors with \`as any\`, \`@ts-ignore\`, \`@ts-expect-error\`
@@ -322,11 +245,9 @@ If project has build/test commands, run them at task completion.
 | Test run | Pass (or explicit note of pre-existing failures) |
 | Delegation | Agent result received and verified |
 
-**NO EVIDENCE = NOT COMPLETE.**
+**NO EVIDENCE = NOT COMPLETE.**`
 
----
-
-## Phase 2C - Failure Recovery
+const SISYPHUS_PHASE2C = `## Phase 2C - Failure Recovery
 
 ### When Fixes Fail:
 
@@ -342,11 +263,9 @@ If project has build/test commands, run them at task completion.
 4. **CONSULT** Oracle with full failure context
 5. If Oracle cannot resolve → **ASK USER** before proceeding
 
-**Never**: Leave code in broken state, continue hoping it'll work, delete failing tests to "pass"
+**Never**: Leave code in broken state, continue hoping it'll work, delete failing tests to "pass"`
 
----
-
-## Phase 3 - Completion
+const SISYPHUS_PHASE3 = `## Phase 3 - Completion
 
 A task is complete when:
 - [ ] All planned todo items marked done
@@ -361,41 +280,9 @@ If verification fails:
 
 ### Before Delivering Final Answer:
 - Cancel ALL running background tasks: \`background_cancel(all=true)\`
-- This conserves resources and ensures clean workflow completion
+- This conserves resources and ensures clean workflow completion`
 
-</Behavior_Instructions>
-
-<Oracle_Usage>
-## Oracle — Your Senior Engineering Advisor (GPT-5.2)
-
-Oracle is an expensive, high-quality reasoning model. Use it wisely.
-
-### WHEN to Consult:
-
-| Trigger | Action |
-|---------|--------|
-| Complex architecture design | Oracle FIRST, then implement |
-| After completing significant work | Oracle review before marking complete |
-| 2+ failed fix attempts | Oracle for debugging guidance |
-| Unfamiliar code patterns | Oracle to explain behavior |
-| Security/performance concerns | Oracle for analysis |
-| Multi-system tradeoffs | Oracle for architectural decision |
-
-### WHEN NOT to Consult:
-
-- Simple file operations (use direct tools)
-- First attempt at any fix (try yourself first)
-- Questions answerable from code you've read
-- Trivial decisions (variable names, formatting)
-- Things you can infer from existing code patterns
-
-### Usage Pattern:
-Briefly announce "Consulting Oracle for [reason]" before invocation.
-
-**Exception**: This is the ONLY case where you announce before acting. For all other work, start immediately without status updates.
-</Oracle_Usage>
-
-<Task_Management>
+const SISYPHUS_TASK_MANAGEMENT = `<Task_Management>
 ## Todo Management (CRITICAL)
 
 **DEFAULT BEHAVIOR**: Create todos BEFORE starting any non-trivial task. This is your PRIMARY coordination mechanism.
@@ -450,9 +337,9 @@ I want to make sure I understand correctly.
 
 Should I proceed with [recommendation], or would you prefer differently?
 \`\`\`
-</Task_Management>
+</Task_Management>`
 
-<Tone_and_Style>
+const SISYPHUS_TONE_AND_STYLE = `<Tone_and_Style>
 ## Communication Style
 
 ### Be Concise
@@ -492,31 +379,9 @@ If the user's approach seems problematic:
 - If user is terse, be terse
 - If user wants detail, provide detail
 - Adapt to their communication preference
-</Tone_and_Style>
+</Tone_and_Style>`
 
-<Constraints>
-## Hard Blocks (NEVER violate)
-
-| Constraint | No Exceptions |
-|------------|---------------|
-| Frontend VISUAL changes (styling, layout, animation) | Always delegate to \`frontend-ui-ux-engineer\` |
-| Type error suppression (\`as any\`, \`@ts-ignore\`) | Never |
-| Commit without explicit request | Never |
-| Speculate about unread code | Never |
-| Leave code in broken state after failures | Never |
-
-## Anti-Patterns (BLOCKING violations)
-
-| Category | Forbidden |
-|----------|-----------|
-| **Type Safety** | \`as any\`, \`@ts-ignore\`, \`@ts-expect-error\` |
-| **Error Handling** | Empty catch blocks \`catch(e) {}\` |
-| **Testing** | Deleting failing tests to "pass" |
-| **Search** | Firing agents for single-line typos or obvious syntax errors |
-| **Frontend** | Direct edit to visual/styling code (logic changes OK) |
-| **Debugging** | Shotgun debugging, random changes |
-
-## Soft Guidelines
+const SISYPHUS_SOFT_GUIDELINES = `## Soft Guidelines
 
 - Prefer existing libraries over new dependencies
 - Prefer small, focused changes over large refactors
@@ -525,14 +390,107 @@ If the user's approach seems problematic:
 
 `
 
-export function createSisyphusAgent(model: string = DEFAULT_MODEL): AgentConfig {
+function buildDynamicSisyphusPrompt(
+  availableAgents: AvailableAgent[],
+  availableTools: AvailableTool[] = [],
+  availableSkills: AvailableSkill[] = []
+): string {
+  const keyTriggers = buildKeyTriggersSection(availableAgents, availableSkills)
+  const toolSelection = buildToolSelectionTable(availableAgents, availableTools, availableSkills)
+  const exploreSection = buildExploreSection(availableAgents)
+  const librarianSection = buildLibrarianSection(availableAgents)
+  const frontendSection = buildFrontendSection(availableAgents)
+  const delegationTable = buildDelegationTable(availableAgents)
+  const oracleSection = buildOracleSection(availableAgents)
+  const hardBlocks = buildHardBlocksSection(availableAgents)
+  const antiPatterns = buildAntiPatternsSection(availableAgents)
+
+  const sections = [
+    SISYPHUS_ROLE_SECTION,
+    "<Behavior_Instructions>",
+    "",
+    "## Phase 0 - Intent Gate (EVERY message)",
+    "",
+    keyTriggers,
+    "",
+    SISYPHUS_PHASE0_STEP1_3,
+    "",
+    "---",
+    "",
+    SISYPHUS_PHASE1,
+    "",
+    "---",
+    "",
+    "## Phase 2A - Exploration & Research",
+    "",
+    toolSelection,
+    "",
+    exploreSection,
+    "",
+    librarianSection,
+    "",
+    SISYPHUS_PARALLEL_EXECUTION,
+    "",
+    "---",
+    "",
+    SISYPHUS_PHASE2B_PRE_IMPLEMENTATION,
+    "",
+    frontendSection,
+    "",
+    delegationTable,
+    "",
+    SISYPHUS_DELEGATION_PROMPT_STRUCTURE,
+    "",
+    SISYPHUS_GITHUB_WORKFLOW,
+    "",
+    SISYPHUS_CODE_CHANGES,
+    "",
+    "---",
+    "",
+    SISYPHUS_PHASE2C,
+    "",
+    "---",
+    "",
+    SISYPHUS_PHASE3,
+    "",
+    "</Behavior_Instructions>",
+    "",
+    oracleSection,
+    "",
+    SISYPHUS_TASK_MANAGEMENT,
+    "",
+    SISYPHUS_TONE_AND_STYLE,
+    "",
+    "<Constraints>",
+    hardBlocks,
+    "",
+    antiPatterns,
+    "",
+    SISYPHUS_SOFT_GUIDELINES,
+  ]
+
+  return sections.filter((s) => s !== "").join("\n")
+}
+
+export function createSisyphusAgent(
+  model: string = DEFAULT_MODEL,
+  availableAgents?: AvailableAgent[],
+  availableToolNames?: string[],
+  availableSkills?: AvailableSkill[]
+): AgentConfig {
+  const tools = availableToolNames ? categorizeTools(availableToolNames) : []
+  const skills = availableSkills ?? []
+  const prompt = availableAgents
+    ? buildDynamicSisyphusPrompt(availableAgents, tools, skills)
+    : buildDynamicSisyphusPrompt([], tools, skills)
+
   const base = {
     description:
       "Sisyphus - Powerful AI orchestrator from OhMyOpenCode. Plans obsessively with todos, assesses search complexity before exploration, delegates strategically to specialized agents. Uses explore for internal code (parallel-friendly), librarian only for external docs, and always delegates UI work to frontend engineer.",
     mode: "primary" as const,
     model,
     maxTokens: 64000,
-    prompt: SISYPHUS_SYSTEM_PROMPT,
+    prompt,
     color: "#00CED1",
   }
 

src/agents/types.ts

@@ -2,6 +2,56 @@ import type { AgentConfig } from "@opencode-ai/sdk"
 
 export type AgentFactory = (model?: string) => AgentConfig
 
+/**
+ * Agent category for grouping in Sisyphus prompt sections
+ */
+export type AgentCategory = "exploration" | "specialist" | "advisor" | "utility"
+
+/**
+ * Cost classification for Tool Selection table
+ */
+export type AgentCost = "FREE" | "CHEAP" | "EXPENSIVE"
+
+/**
+ * Delegation trigger for Sisyphus prompt's Delegation Table
+ */
+export interface DelegationTrigger {
+  /** Domain of work (e.g., "Frontend UI/UX") */
+  domain: string
+  /** When to delegate (e.g., "Visual changes only...") */
+  trigger: string
+}
+
+/**
+ * Metadata for generating Sisyphus prompt sections dynamically
+ * This allows adding/removing agents without manually updating the Sisyphus prompt
+ */
+export interface AgentPromptMetadata {
+  /** Category for grouping in prompt sections */
+  category: AgentCategory
+
+  /** Cost classification for Tool Selection table */
+  cost: AgentCost
+
+  /** Domain triggers for Delegation Table */
+  triggers: DelegationTrigger[]
+
+  /** When to use this agent (for detailed sections) */
+  useWhen?: string[]
+
+  /** When NOT to use this agent */
+  avoidWhen?: string[]
+
+  /** Optional dedicated prompt section (markdown) - for agents like Oracle that have special sections */
+  dedicatedSection?: string
+
+  /** Nickname/alias used in prompt (e.g., "Oracle" instead of "oracle") */
+  promptAlias?: string
+
+  /** Key triggers that should appear in Phase 0 (e.g., "External library mentioned → fire librarian") */
+  keyTrigger?: string
+}
+
 export function isGptModel(model: string): boolean {
   return model.startsWith("openai/") || model.startsWith("github-copilot/gpt-")
 }

src/agents/utils.ts

@@ -1,12 +1,13 @@
 import type { AgentConfig } from "@opencode-ai/sdk"
-import type { BuiltinAgentName, AgentOverrideConfig, AgentOverrides, AgentFactory } from "./types"
+import type { BuiltinAgentName, AgentOverrideConfig, AgentOverrides, AgentFactory, AgentPromptMetadata } from "./types"
 import { createSisyphusAgent } from "./sisyphus"
-import { createOracleAgent } from "./oracle"
-import { createLibrarianAgent } from "./librarian"
-import { createExploreAgent } from "./explore"
-import { createFrontendUiUxEngineerAgent } from "./frontend-ui-ux-engineer"
-import { createDocumentWriterAgent } from "./document-writer"
-import { createMultimodalLookerAgent } from "./multimodal-looker"
+import { createOracleAgent, ORACLE_PROMPT_METADATA } from "./oracle"
+import { createLibrarianAgent, LIBRARIAN_PROMPT_METADATA } from "./librarian"
+import { createExploreAgent, EXPLORE_PROMPT_METADATA } from "./explore"
+import { createFrontendUiUxEngineerAgent, FRONTEND_PROMPT_METADATA } from "./frontend-ui-ux-engineer"
+import { createDocumentWriterAgent, DOCUMENT_WRITER_PROMPT_METADATA } from "./document-writer"
+import { createMultimodalLookerAgent, MULTIMODAL_LOOKER_PROMPT_METADATA } from "./multimodal-looker"
+import type { AvailableAgent } from "./sisyphus-prompt-builder"
 import { deepMerge } from "../shared"
 
 type AgentSource = AgentFactory | AgentConfig
@@ -21,6 +22,19 @@ const agentSources: Record<BuiltinAgentName, AgentSource> = {
   "multimodal-looker": createMultimodalLookerAgent,
 }
 
+/**
+ * Metadata for each agent, used to build Sisyphus's dynamic prompt sections
+ * (Delegation Table, Tool Selection, Key Triggers, etc.)
+ */
+const agentMetadata: Partial<Record<BuiltinAgentName, AgentPromptMetadata>> = {
+  oracle: ORACLE_PROMPT_METADATA,
+  librarian: LIBRARIAN_PROMPT_METADATA,
+  explore: EXPLORE_PROMPT_METADATA,
+  "frontend-ui-ux-engineer": FRONTEND_PROMPT_METADATA,
+  "document-writer": DOCUMENT_WRITER_PROMPT_METADATA,
+  "multimodal-looker": MULTIMODAL_LOOKER_PROMPT_METADATA,
+}
+
 function isFactory(source: AgentSource): source is AgentFactory {
   return typeof source === "function"
 }
@@ -29,18 +43,17 @@ function buildAgent(source: AgentSource, model?: string): AgentConfig {
   return isFactory(source) ? source(model) : source
 }
 
-export function createEnvContext(directory: string): string {
+/**
+ * Creates OmO-specific environment context (time, timezone, locale).
+ * Note: Working directory, platform, and date are already provided by OpenCode's system.ts,
+ * so we only include fields that OpenCode doesn't provide to avoid duplication.
+ * See: https://github.com/code-yeongyu/oh-my-opencode/issues/379
+ */
+export function createEnvContext(): string {
   const now = new Date()
   const timezone = Intl.DateTimeFormat().resolvedOptions().timeZone
   const locale = Intl.DateTimeFormat().resolvedOptions().locale
 
-  const dateStr = now.toLocaleDateString("en-US", {
-    weekday: "short",
-    year: "numeric",
-    month: "short",
-    day: "numeric",
-  })
-
   const timeStr = now.toLocaleTimeString("en-US", {
     hour: "2-digit",
     minute: "2-digit",
@@ -48,18 +61,12 @@ export function createEnvContext(directory: string): string {
     hour12: true,
   })
 
-  const platform = process.platform as "darwin" | "linux" | "win32" | string
-
   return `
-Here is some useful information about the environment you are running in:
-<env>
-  Working directory: ${directory}
-  Platform: ${platform}
-  Today's date: ${dateStr} (NOT 2024, NEVEREVER 2024)
+<omo-env>
   Current time: ${timeStr}
   Timezone: ${timezone}
   Locale: ${locale}
-</env>`
+</omo-env>`
 }
 
 function mergeAgentConfig(
@@ -83,21 +90,21 @@ export function createBuiltinAgents(
   systemDefaultModel?: string
 ): Record<string, AgentConfig> {
   const result: Record<string, AgentConfig> = {}
+  const availableAgents: AvailableAgent[] = []
 
   for (const [name, source] of Object.entries(agentSources)) {
     const agentName = name as BuiltinAgentName
 
-    if (disabledAgents.includes(agentName)) {
-      continue
-    }
+    if (agentName === "Sisyphus") continue
+    if (disabledAgents.includes(agentName)) continue
 
     const override = agentOverrides[agentName]
-    const model = override?.model ?? (agentName === "Sisyphus" ? systemDefaultModel : undefined)
+    const model = override?.model
 
     let config = buildAgent(source, model)
 
-    if ((agentName === "Sisyphus" || agentName === "librarian") && directory && config.prompt) {
-      const envContext = createEnvContext(directory)
+    if (agentName === "librarian" && directory && config.prompt) {
+      const envContext = createEnvContext()
       config = { ...config, prompt: config.prompt + envContext }
     }
 
@@ -106,6 +113,33 @@ export function createBuiltinAgents(
     }
 
     result[name] = config
+
+    const metadata = agentMetadata[agentName]
+    if (metadata) {
+      availableAgents.push({
+        name: agentName,
+        description: config.description ?? "",
+        metadata,
+      })
+    }
+  }
+
+  if (!disabledAgents.includes("Sisyphus")) {
+    const sisyphusOverride = agentOverrides["Sisyphus"]
+    const sisyphusModel = sisyphusOverride?.model ?? systemDefaultModel
+
+    let sisyphusConfig = createSisyphusAgent(sisyphusModel, availableAgents)
+
+    if (directory && sisyphusConfig.prompt) {
+      const envContext = createEnvContext()
+      sisyphusConfig = { ...sisyphusConfig, prompt: sisyphusConfig.prompt + envContext }
+    }
+
+    if (sisyphusOverride) {
+      sisyphusConfig = mergeAgentConfig(sisyphusConfig, sisyphusOverride)
+    }
+
+    result["Sisyphus"] = sisyphusConfig
   }
 
   return result

src/auth/AGENTS.md

@@ -0,0 +1,57 @@
+# AUTH KNOWLEDGE BASE
+
+## OVERVIEW
+
+Google Antigravity OAuth for Gemini models. Token management, fetch interception, thinking block extraction.
+
+## STRUCTURE
+
+```
+auth/
+└── antigravity/
+    ├── plugin.ts         # Main export, hooks registration
+    ├── oauth.ts          # OAuth flow, token acquisition
+    ├── token.ts          # Token storage, refresh logic
+    ├── fetch.ts          # Fetch interceptor (621 lines)
+    ├── response.ts       # Response transformation (598 lines)
+    ├── thinking.ts       # Thinking block extraction (571 lines)
+    ├── thought-signature-store.ts  # Signature caching
+    ├── message-converter.ts        # Format conversion
+    ├── request.ts        # Request building
+    ├── project.ts        # Project ID management
+    ├── tools.ts          # OAuth tool registration
+    ├── constants.ts      # API endpoints, model mappings
+    └── types.ts
+```
+
+## KEY COMPONENTS
+
+| File | Purpose |
+|------|---------|
+| fetch.ts | URL rewriting, token injection, retries |
+| thinking.ts | Extract `<antThinking>` blocks |
+| response.ts | Streaming SSE parsing |
+| oauth.ts | Browser-based OAuth flow |
+| token.ts | Token persistence, expiry |
+
+## HOW IT WORKS
+
+1. **Intercept**: fetch.ts intercepts Anthropic/Google requests
+2. **Rewrite**: URLs → Antigravity proxy endpoints
+3. **Auth**: Bearer token from stored OAuth credentials
+4. **Response**: Streaming parsed, thinking blocks extracted
+5. **Transform**: Normalized for OpenCode
+
+## FEATURES
+
+- Multi-account (up to 10 Google accounts)
+- Auto-fallback on rate limit
+- Thinking blocks preserved
+- Antigravity proxy for AI Studio access
+
+## ANTI-PATTERNS
+
+- Direct API calls (use fetch interceptor)
+- Tokens in code (use token.ts storage)
+- Ignoring refresh (check expiry first)
+- Blocking on OAuth (always async)

src/cli/AGENTS.md

@@ -0,0 +1,68 @@
+# CLI KNOWLEDGE BASE
+
+## OVERVIEW
+
+CLI for oh-my-opencode: interactive installer, health diagnostics (doctor), runtime launcher. Entry: `bunx oh-my-opencode`.
+
+## STRUCTURE
+
+```
+cli/
+├── index.ts              # Commander.js entry, subcommand routing
+├── install.ts            # Interactive TUI installer (477 lines)
+├── config-manager.ts     # JSONC parsing, env detection (669 lines)
+├── types.ts              # CLI-specific types
+├── doctor/               # Health check system
+│   ├── index.ts          # Doctor command entry
+│   ├── constants.ts      # Check categories
+│   ├── types.ts          # Check result interfaces
+│   └── checks/           # 17+ individual checks
+├── get-local-version/    # Version detection
+└── run/                  # OpenCode session launcher
+```
+
+## CLI COMMANDS
+
+| Command | Purpose |
+|---------|---------|
+| `install` | Interactive setup wizard |
+| `doctor` | Environment health checks |
+| `run` | Launch OpenCode session |
+
+## DOCTOR CHECKS
+
+17+ checks in `doctor/checks/`:
+- version.ts (OpenCode >= 1.0.150)
+- config.ts (plugin registered)
+- bun.ts, node.ts, git.ts
+- anthropic-auth.ts, openai-auth.ts, google-auth.ts
+- lsp-*.ts, mcp-*.ts
+
+## CONFIG-MANAGER (669 lines)
+
+- JSONC support (comments, trailing commas)
+- Multi-source: User (~/.config/opencode/) + Project (.opencode/)
+- Zod validation
+- Legacy format migration
+- Error aggregation for doctor
+
+## HOW TO ADD CHECK
+
+1. Create `src/cli/doctor/checks/my-check.ts`:
+   ```typescript
+   export const myCheck: DoctorCheck = {
+     name: "my-check",
+     category: "environment",
+     check: async () => {
+       return { status: "pass" | "warn" | "fail", message: "..." }
+     }
+   }
+   ```
+2. Add to `src/cli/doctor/checks/index.ts`
+
+## ANTI-PATTERNS
+
+- Blocking prompts in non-TTY (check `process.stdout.isTTY`)
+- Hardcoded paths (use shared utilities)
+- JSON.parse for user files (use parseJsonc)
+- Silent failures in doctor checks

src/cli/config-manager.ts

@@ -1,4 +1,4 @@
-import { existsSync, mkdirSync, readFileSync, writeFileSync } from "node:fs"
+import { existsSync, mkdirSync, readFileSync, writeFileSync, statSync } from "node:fs"
 import { homedir } from "node:os"
 import { join } from "node:path"
 import { parseJsonc } from "../shared"
@@ -14,6 +14,49 @@ const OPENCODE_BINARIES = ["opencode", "opencode-desktop"] as const
 
 const CHATGPT_HOTFIX_REPO = "code-yeongyu/opencode-openai-codex-auth#fix/orphaned-function-call-output-with-tools"
 
+const BUN_INSTALL_TIMEOUT_SECONDS = 60
+const BUN_INSTALL_TIMEOUT_MS = BUN_INSTALL_TIMEOUT_SECONDS * 1000
+
+interface NodeError extends Error {
+  code?: string
+}
+
+function isPermissionError(err: unknown): boolean {
+  const nodeErr = err as NodeError
+  return nodeErr?.code === "EACCES" || nodeErr?.code === "EPERM"
+}
+
+function isFileNotFoundError(err: unknown): boolean {
+  const nodeErr = err as NodeError
+  return nodeErr?.code === "ENOENT"
+}
+
+function formatErrorWithSuggestion(err: unknown, context: string): string {
+  if (isPermissionError(err)) {
+    return `Permission denied: Cannot ${context}. Try running with elevated permissions or check file ownership.`
+  }
+
+  if (isFileNotFoundError(err)) {
+    return `File not found while trying to ${context}. The file may have been deleted or moved.`
+  }
+
+  if (err instanceof SyntaxError) {
+    return `JSON syntax error while trying to ${context}: ${err.message}. Check for missing commas, brackets, or invalid characters.`
+  }
+
+  const message = err instanceof Error ? err.message : String(err)
+
+  if (message.includes("ENOSPC")) {
+    return `Disk full: Cannot ${context}. Free up disk space and try again.`
+  }
+
+  if (message.includes("EROFS")) {
+    return `Read-only filesystem: Cannot ${context}. Check if the filesystem is mounted read-only.`
+  }
+
+  return `Failed to ${context}: ${message}`
+}
+
 export async function fetchLatestVersion(packageName: string): Promise<string | null> {
   try {
     const res = await fetch(`https://registry.npmjs.org/${packageName}/latest`)
@@ -42,12 +85,46 @@ export function detectConfigFormat(): { format: ConfigFormat; path: string } {
   return { format: "none", path: OPENCODE_JSON }
 }
 
-function parseConfig(path: string, isJsonc: boolean): OpenCodeConfig | null {
+interface ParseConfigResult {
+  config: OpenCodeConfig | null
+  error?: string
+}
+
+function isEmptyOrWhitespace(content: string): boolean {
+  return content.trim().length === 0
+}
+
+function parseConfig(path: string, _isJsonc: boolean): OpenCodeConfig | null {
+  const result = parseConfigWithError(path)
+  return result.config
+}
+
+function parseConfigWithError(path: string): ParseConfigResult {
   try {
+    const stat = statSync(path)
+    if (stat.size === 0) {
+      return { config: null, error: `Config file is empty: ${path}. Delete it or add valid JSON content.` }
+    }
+
     const content = readFileSync(path, "utf-8")
-    return parseJsonc<OpenCodeConfig>(content)
-  } catch {
-    return null
+
+    if (isEmptyOrWhitespace(content)) {
+      return { config: null, error: `Config file contains only whitespace: ${path}. Delete it or add valid JSON content.` }
+    }
+
+    const config = parseJsonc<OpenCodeConfig>(content)
+
+    if (config === null || config === undefined) {
+      return { config: null, error: `Config file parsed to null/undefined: ${path}. Ensure it contains valid JSON.` }
+    }
+
+    if (typeof config !== "object" || Array.isArray(config)) {
+      return { config: null, error: `Config file must contain a JSON object, not ${Array.isArray(config) ? "an array" : typeof config}: ${path}` }
+    }
+
+    return { config }
+  } catch (err) {
+    return { config: null, error: formatErrorWithSuggestion(err, `parse config file ${path}`) }
   }
 }
 
@@ -58,7 +135,11 @@ function ensureConfigDir(): void {
 }
 
 export function addPluginToOpenCodeConfig(): ConfigMergeResult {
-  ensureConfigDir()
+  try {
+    ensureConfigDir()
+  } catch (err) {
+    return { success: false, configPath: OPENCODE_CONFIG_DIR, error: formatErrorWithSuggestion(err, "create config directory") }
+  }
 
   const { format, path } = detectConfigFormat()
   const pluginName = "oh-my-opencode"
@@ -70,11 +151,12 @@ export function addPluginToOpenCodeConfig(): ConfigMergeResult {
       return { success: true, configPath: path }
     }
 
-    const config = parseConfig(path, format === "jsonc")
-    if (!config) {
-      return { success: false, configPath: path, error: "Failed to parse config" }
+    const parseResult = parseConfigWithError(path)
+    if (!parseResult.config) {
+      return { success: false, configPath: path, error: parseResult.error ?? "Failed to parse config file" }
     }
 
+    const config = parseResult.config
     const plugins = config.plugin ?? []
     if (plugins.some((p) => p.startsWith(pluginName))) {
       return { success: true, configPath: path }
@@ -104,7 +186,7 @@ export function addPluginToOpenCodeConfig(): ConfigMergeResult {
 
     return { success: true, configPath: path }
   } catch (err) {
-    return { success: false, configPath: path, error: String(err) }
+    return { success: false, configPath: path, error: formatErrorWithSuggestion(err, "update opencode config") }
   }
 }
 
@@ -185,24 +267,48 @@ export function generateOmoConfig(installConfig: InstallConfig): Record<string,
 }
 
 export function writeOmoConfig(installConfig: InstallConfig): ConfigMergeResult {
-  ensureConfigDir()
+  try {
+    ensureConfigDir()
+  } catch (err) {
+    return { success: false, configPath: OPENCODE_CONFIG_DIR, error: formatErrorWithSuggestion(err, "create config directory") }
+  }
 
   try {
     const newConfig = generateOmoConfig(installConfig)
 
     if (existsSync(OMO_CONFIG)) {
-      const content = readFileSync(OMO_CONFIG, "utf-8")
-      const existing = parseJsonc<Record<string, unknown>>(content)
-      delete existing.agents
-      const merged = deepMerge(existing, newConfig)
-      writeFileSync(OMO_CONFIG, JSON.stringify(merged, null, 2) + "\n")
+      try {
+        const stat = statSync(OMO_CONFIG)
+        const content = readFileSync(OMO_CONFIG, "utf-8")
+
+        if (stat.size === 0 || isEmptyOrWhitespace(content)) {
+          writeFileSync(OMO_CONFIG, JSON.stringify(newConfig, null, 2) + "\n")
+          return { success: true, configPath: OMO_CONFIG }
+        }
+
+        const existing = parseJsonc<Record<string, unknown>>(content)
+        if (!existing || typeof existing !== "object" || Array.isArray(existing)) {
+          writeFileSync(OMO_CONFIG, JSON.stringify(newConfig, null, 2) + "\n")
+          return { success: true, configPath: OMO_CONFIG }
+        }
+
+        delete existing.agents
+        const merged = deepMerge(existing, newConfig)
+        writeFileSync(OMO_CONFIG, JSON.stringify(merged, null, 2) + "\n")
+      } catch (parseErr) {
+        if (parseErr instanceof SyntaxError) {
+          writeFileSync(OMO_CONFIG, JSON.stringify(newConfig, null, 2) + "\n")
+          return { success: true, configPath: OMO_CONFIG }
+        }
+        throw parseErr
+      }
     } else {
       writeFileSync(OMO_CONFIG, JSON.stringify(newConfig, null, 2) + "\n")
     }
 
     return { success: true, configPath: OMO_CONFIG }
   } catch (err) {
-    return { success: false, configPath: OMO_CONFIG, error: String(err) }
+    return { success: false, configPath: OMO_CONFIG, error: formatErrorWithSuggestion(err, "write oh-my-opencode config") }
   }
 }
 
@@ -241,11 +347,25 @@ export async function getOpenCodeVersion(): Promise<string | null> {
 }
 
 export async function addAuthPlugins(config: InstallConfig): Promise<ConfigMergeResult> {
-  ensureConfigDir()
+  try {
+    ensureConfigDir()
+  } catch (err) {
+    return { success: false, configPath: OPENCODE_CONFIG_DIR, error: formatErrorWithSuggestion(err, "create config directory") }
+  }
+
   const { format, path } = detectConfigFormat()
 
   try {
-    const existingConfig = format !== "none" ? parseConfig(path, format === "jsonc") : null
+    let existingConfig: OpenCodeConfig | null = null
+    if (format !== "none") {
+      const parseResult = parseConfigWithError(path)
+      if (parseResult.error && !parseResult.config) {
+        existingConfig = {}
+      } else {
+        existingConfig = parseResult.config
+      }
+    }
+
     const plugins: string[] = existingConfig?.plugin ?? []
 
     if (config.hasGemini) {
@@ -266,18 +386,37 @@ export async function addAuthPlugins(config: InstallConfig): Promise<ConfigMerge
     writeFileSync(path, JSON.stringify(newConfig, null, 2) + "\n")
     return { success: true, configPath: path }
   } catch (err) {
-    return { success: false, configPath: path, error: String(err) }
+    return { success: false, configPath: path, error: formatErrorWithSuggestion(err, "add auth plugins to config") }
   }
 }
 
 export function setupChatGPTHotfix(): ConfigMergeResult {
-  ensureConfigDir()
+  try {
+    ensureConfigDir()
+  } catch (err) {
+    return { success: false, configPath: OPENCODE_CONFIG_DIR, error: formatErrorWithSuggestion(err, "create config directory") }
+  }
 
   try {
     let packageJson: Record<string, unknown> = {}
     if (existsSync(OPENCODE_PACKAGE_JSON)) {
-      const content = readFileSync(OPENCODE_PACKAGE_JSON, "utf-8")
-      packageJson = JSON.parse(content)
+      try {
+        const stat = statSync(OPENCODE_PACKAGE_JSON)
+        const content = readFileSync(OPENCODE_PACKAGE_JSON, "utf-8")
+
+        if (stat.size > 0 && !isEmptyOrWhitespace(content)) {
+          packageJson = JSON.parse(content)
+          if (typeof packageJson !== "object" || packageJson === null || Array.isArray(packageJson)) {
+            packageJson = {}
+          }
+        }
+      } catch (parseErr) {
+        if (parseErr instanceof SyntaxError) {
+          packageJson = {}
+        } else {
+          throw parseErr
+        }
+      }
     }
 
     const deps = (packageJson.dependencies ?? {}) as Record<string, string>
@@ -287,21 +426,65 @@ export function setupChatGPTHotfix(): ConfigMergeResult {
     writeFileSync(OPENCODE_PACKAGE_JSON, JSON.stringify(packageJson, null, 2) + "\n")
     return { success: true, configPath: OPENCODE_PACKAGE_JSON }
   } catch (err) {
-    return { success: false, configPath: OPENCODE_PACKAGE_JSON, error: String(err) }
+    return { success: false, configPath: OPENCODE_PACKAGE_JSON, error: formatErrorWithSuggestion(err, "setup ChatGPT hotfix in package.json") }
   }
 }
 
+export interface BunInstallResult {
+  success: boolean
+  timedOut?: boolean
+  error?: string
+}
+
 export async function runBunInstall(): Promise<boolean> {
+  const result = await runBunInstallWithDetails()
+  return result.success
+}
+
+export async function runBunInstallWithDetails(): Promise<BunInstallResult> {
   try {
     const proc = Bun.spawn(["bun", "install"], {
       cwd: OPENCODE_CONFIG_DIR,
       stdout: "pipe",
       stderr: "pipe",
     })
-    await proc.exited
-    return proc.exitCode === 0
-  } catch {
-    return false
+
+    const timeoutPromise = new Promise<"timeout">((resolve) =>
+      setTimeout(() => resolve("timeout"), BUN_INSTALL_TIMEOUT_MS)
+    )
+
+    const exitPromise = proc.exited.then(() => "completed" as const)
+
+    const result = await Promise.race([exitPromise, timeoutPromise])
+
+    if (result === "timeout") {
+      try {
+        proc.kill()
+      } catch {
+        /* intentionally empty - process may have already exited */
+      }
+      return {
+        success: false,
+        timedOut: true,
+        error: `bun install timed out after ${BUN_INSTALL_TIMEOUT_SECONDS} seconds. Try running manually: cd ~/.config/opencode && bun i`,
+      }
+    }
+
+    if (proc.exitCode !== 0) {
+      const stderr = await new Response(proc.stderr).text()
+      return {
+        success: false,
+        error: stderr.trim() || `bun install failed with exit code ${proc.exitCode}`,
+      }
+    }
+
+    return { success: true }
+  } catch (err) {
+    const message = err instanceof Error ? err.message : String(err)
+    return {
+      success: false,
+      error: `bun install failed: ${message}. Is bun installed? Try: curl -fsSL https://bun.sh/install | bash`,
+    }
   }
 }
 
@@ -362,11 +545,25 @@ const CODEX_PROVIDER_CONFIG = {
 }
 
 export function addProviderConfig(config: InstallConfig): ConfigMergeResult {
-  ensureConfigDir()
+  try {
+    ensureConfigDir()
+  } catch (err) {
+    return { success: false, configPath: OPENCODE_CONFIG_DIR, error: formatErrorWithSuggestion(err, "create config directory") }
+  }
+
   const { format, path } = detectConfigFormat()
 
   try {
-    const existingConfig = format !== "none" ? parseConfig(path, format === "jsonc") : null
+    let existingConfig: OpenCodeConfig | null = null
+    if (format !== "none") {
+      const parseResult = parseConfigWithError(path)
+      if (parseResult.error && !parseResult.config) {
+        existingConfig = {}
+      } else {
+        existingConfig = parseResult.config
+      }
+    }
+
     const newConfig = { ...(existingConfig ?? {}) }
 
     const providers = (newConfig.provider ?? {}) as Record<string, unknown>
@@ -386,7 +583,7 @@ export function addProviderConfig(config: InstallConfig): ConfigMergeResult {
     writeFileSync(path, JSON.stringify(newConfig, null, 2) + "\n")
     return { success: true, configPath: path }
   } catch (err) {
-    return { success: false, configPath: path, error: String(err) }
+    return { success: false, configPath: path, error: formatErrorWithSuggestion(err, "add provider config") }
   }
 }
 
@@ -409,11 +606,12 @@ export function detectCurrentConfig(): DetectedConfig {
     return result
   }
 
-  const openCodeConfig = parseConfig(path, format === "jsonc")
-  if (!openCodeConfig) {
+  const parseResult = parseConfigWithError(path)
+  if (!parseResult.config) {
     return result
   }
 
+  const openCodeConfig = parseResult.config
   const plugins = openCodeConfig.plugin ?? []
   result.isInstalled = plugins.some((p) => p.startsWith("oh-my-opencode"))
 
@@ -429,8 +627,20 @@ export function detectCurrentConfig(): DetectedConfig {
   }
 
   try {
+    const stat = statSync(OMO_CONFIG)
+    if (stat.size === 0) {
+      return result
+    }
+
     const content = readFileSync(OMO_CONFIG, "utf-8")
+    if (isEmptyOrWhitespace(content)) {
+      return result
+    }
+
     const omoConfig = parseJsonc<OmoConfigData>(content)
+    if (!omoConfig || typeof omoConfig !== "object") {
+      return result
+    }
 
     const agents = omoConfig.agents ?? {}
 
@@ -452,7 +662,7 @@ export function detectCurrentConfig(): DetectedConfig {
       result.hasGemini = plugins.some((p) => p.startsWith("opencode-antigravity-auth"))
     }
   } catch {
-    /* intentionally empty - malformed config returns defaults */
+    /* intentionally empty - malformed omo config returns defaults from opencode config detection */
   }
 
   return result

src/cli/doctor/checks/gh.test.ts

@@ -0,0 +1,106 @@
+import { describe, it, expect, spyOn, afterEach } from "bun:test"
+import * as gh from "./gh"
+
+describe("gh cli check", () => {
+  describe("getGhCliInfo", () => {
+    it("returns gh cli info structure", async () => {
+      // #given
+      // #when checking gh cli info
+      const info = await gh.getGhCliInfo()
+
+      // #then should return valid info structure
+      expect(typeof info.installed).toBe("boolean")
+      expect(info.authenticated === true || info.authenticated === false).toBe(true)
+      expect(Array.isArray(info.scopes)).toBe(true)
+    })
+  })
+
+  describe("checkGhCli", () => {
+    let getInfoSpy: ReturnType<typeof spyOn>
+
+    afterEach(() => {
+      getInfoSpy?.mockRestore()
+    })
+
+    it("returns warn when gh is not installed", async () => {
+      // #given gh not installed
+      getInfoSpy = spyOn(gh, "getGhCliInfo").mockResolvedValue({
+        installed: false,
+        version: null,
+        path: null,
+        authenticated: false,
+        username: null,
+        scopes: [],
+        error: null,
+      })
+
+      // #when checking
+      const result = await gh.checkGhCli()
+
+      // #then should warn (optional)
+      expect(result.status).toBe("warn")
+      expect(result.message).toContain("Not installed")
+      expect(result.details).toContain("Install: https://cli.github.com/")
+    })
+
+    it("returns warn when gh is installed but not authenticated", async () => {
+      // #given gh installed but not authenticated
+      getInfoSpy = spyOn(gh, "getGhCliInfo").mockResolvedValue({
+        installed: true,
+        version: "2.40.0",
+        path: "/usr/local/bin/gh",
+        authenticated: false,
+        username: null,
+        scopes: [],
+        error: "not logged in",
+      })
+
+      // #when checking
+      const result = await gh.checkGhCli()
+
+      // #then should warn about auth
+      expect(result.status).toBe("warn")
+      expect(result.message).toContain("2.40.0")
+      expect(result.message).toContain("not authenticated")
+      expect(result.details).toContain("Authenticate: gh auth login")
+    })
+
+    it("returns pass when gh is installed and authenticated", async () => {
+      // #given gh installed and authenticated
+      getInfoSpy = spyOn(gh, "getGhCliInfo").mockResolvedValue({
+        installed: true,
+        version: "2.40.0",
+        path: "/usr/local/bin/gh",
+        authenticated: true,
+        username: "octocat",
+        scopes: ["repo", "read:org"],
+        error: null,
+      })
+
+      // #when checking
+      const result = await gh.checkGhCli()
+
+      // #then should pass
+      expect(result.status).toBe("pass")
+      expect(result.message).toContain("2.40.0")
+      expect(result.message).toContain("octocat")
+      expect(result.details).toContain("Account: octocat")
+      expect(result.details).toContain("Scopes: repo, read:org")
+    })
+  })
+
+  describe("getGhCliCheckDefinition", () => {
+    it("returns correct check definition", () => {
+      // #given
+      // #when getting definition
+      const def = gh.getGhCliCheckDefinition()
+
+      // #then should have correct properties
+      expect(def.id).toBe("gh-cli")
+      expect(def.name).toBe("GitHub CLI")
+      expect(def.category).toBe("tools")
+      expect(def.critical).toBe(false)
+      expect(typeof def.check).toBe("function")
+    })
+  })
+})

src/cli/doctor/checks/gh.ts

@@ -0,0 +1,171 @@
+import type { CheckResult, CheckDefinition } from "../types"
+import { CHECK_IDS, CHECK_NAMES } from "../constants"
+
+export interface GhCliInfo {
+  installed: boolean
+  version: string | null
+  path: string | null
+  authenticated: boolean
+  username: string | null
+  scopes: string[]
+  error: string | null
+}
+
+async function checkBinaryExists(binary: string): Promise<{ exists: boolean; path: string | null }> {
+  try {
+    const proc = Bun.spawn(["which", binary], { stdout: "pipe", stderr: "pipe" })
+    const output = await new Response(proc.stdout).text()
+    await proc.exited
+    if (proc.exitCode === 0) {
+      return { exists: true, path: output.trim() }
+    }
+  } catch {
+    // intentionally empty - binary not found
+  }
+  return { exists: false, path: null }
+}
+
+async function getGhVersion(): Promise<string | null> {
+  try {
+    const proc = Bun.spawn(["gh", "--version"], { stdout: "pipe", stderr: "pipe" })
+    const output = await new Response(proc.stdout).text()
+    await proc.exited
+    if (proc.exitCode === 0) {
+      const match = output.match(/gh version (\S+)/)
+      return match?.[1] ?? output.trim().split("\n")[0]
+    }
+  } catch {
+    // intentionally empty - version unavailable
+  }
+  return null
+}
+
+async function getGhAuthStatus(): Promise<{
+  authenticated: boolean
+  username: string | null
+  scopes: string[]
+  error: string | null
+}> {
+  try {
+    const proc = Bun.spawn(["gh", "auth", "status"], {
+      stdout: "pipe",
+      stderr: "pipe",
+      env: { ...process.env, GH_NO_UPDATE_NOTIFIER: "1" },
+    })
+    const stdout = await new Response(proc.stdout).text()
+    const stderr = await new Response(proc.stderr).text()
+    await proc.exited
+
+    const output = stderr || stdout
+
+    if (proc.exitCode === 0) {
+      const usernameMatch = output.match(/Logged in to github\.com account (\S+)/)
+      const username = usernameMatch?.[1]?.replace(/[()]/g, "") ?? null
+
+      const scopesMatch = output.match(/Token scopes?:\s*(.+)/i)
+      const scopes = scopesMatch?.[1]
+        ? scopesMatch[1]
+            .split(/,\s*/)
+            .map((s) => s.replace(/['"]/g, "").trim())
+            .filter(Boolean)
+        : []
+
+      return { authenticated: true, username, scopes, error: null }
+    }
+
+    const errorMatch = output.match(/error[:\s]+(.+)/i)
+    return {
+      authenticated: false,
+      username: null,
+      scopes: [],
+      error: errorMatch?.[1]?.trim() ?? "Not authenticated",
+    }
+  } catch (err) {
+    return {
+      authenticated: false,
+      username: null,
+      scopes: [],
+      error: err instanceof Error ? err.message : "Failed to check auth status",
+    }
+  }
+}
+
+export async function getGhCliInfo(): Promise<GhCliInfo> {
+  const binaryCheck = await checkBinaryExists("gh")
+
+  if (!binaryCheck.exists) {
+    return {
+      installed: false,
+      version: null,
+      path: null,
+      authenticated: false,
+      username: null,
+      scopes: [],
+      error: null,
+    }
+  }
+
+  const [version, authStatus] = await Promise.all([getGhVersion(), getGhAuthStatus()])
+
+  return {
+    installed: true,
+    version,
+    path: binaryCheck.path,
+    authenticated: authStatus.authenticated,
+    username: authStatus.username,
+    scopes: authStatus.scopes,
+    error: authStatus.error,
+  }
+}
+
+export async function checkGhCli(): Promise<CheckResult> {
+  const info = await getGhCliInfo()
+  const name = CHECK_NAMES[CHECK_IDS.GH_CLI]
+
+  if (!info.installed) {
+    return {
+      name,
+      status: "warn",
+      message: "Not installed (optional)",
+      details: [
+        "GitHub CLI is used by librarian agent and scripts",
+        "Install: https://cli.github.com/",
+      ],
+    }
+  }
+
+  if (!info.authenticated) {
+    return {
+      name,
+      status: "warn",
+      message: `${info.version ?? "installed"} - not authenticated`,
+      details: [
+        info.path ? `Path: ${info.path}` : null,
+        "Authenticate: gh auth login",
+        info.error ? `Error: ${info.error}` : null,
+      ].filter((d): d is string => d !== null),
+    }
+  }
+
+  const details: string[] = []
+  if (info.path) details.push(`Path: ${info.path}`)
+  if (info.username) details.push(`Account: ${info.username}`)
+  if (info.scopes.length > 0) details.push(`Scopes: ${info.scopes.join(", ")}`)
+
+  return {
+    name,
+    status: "pass",
+    message: `${info.version ?? "installed"} - authenticated as ${info.username ?? "unknown"}`,
+    details: details.length > 0 ? details : undefined,
+  }
+}
+
+export function getGhCliCheckDefinition(): CheckDefinition {
+  return {
+    id: CHECK_IDS.GH_CLI,
+    name: CHECK_NAMES[CHECK_IDS.GH_CLI],
+    category: "tools",
+    check: checkGhCli,
+    critical: false,
+  }
+}

src/cli/doctor/checks/index.ts

@@ -4,6 +4,7 @@ import { getPluginCheckDefinition } from "./plugin"
 import { getConfigCheckDefinition } from "./config"
 import { getAuthCheckDefinitions } from "./auth"
 import { getDependencyCheckDefinitions } from "./dependencies"
+import { getGhCliCheckDefinition } from "./gh"
 import { getLspCheckDefinition } from "./lsp"
 import { getMcpCheckDefinitions } from "./mcp"
 import { getVersionCheckDefinition } from "./version"
@@ -13,6 +14,7 @@ export * from "./plugin"
 export * from "./config"
 export * from "./auth"
 export * from "./dependencies"
+export * from "./gh"
 export * from "./lsp"
 export * from "./mcp"
 export * from "./version"
@@ -24,6 +26,7 @@ export function getAllCheckDefinitions(): CheckDefinition[] {
     getConfigCheckDefinition(),
     ...getAuthCheckDefinitions(),
     ...getDependencyCheckDefinitions(),
+    getGhCliCheckDefinition(),
     getLspCheckDefinition(),
     ...getMcpCheckDefinitions(),
     getVersionCheckDefinition(),

src/cli/doctor/checks/version.ts

@@ -1,76 +1,11 @@
-import { existsSync, readFileSync } from "node:fs"
-import { homedir } from "node:os"
-import { join } from "node:path"
 import type { CheckResult, CheckDefinition, VersionCheckInfo } from "../types"
-import { CHECK_IDS, CHECK_NAMES, PACKAGE_NAME } from "../constants"
-import { parseJsonc } from "../../../shared"
-
-const OPENCODE_CONFIG_DIR = join(homedir(), ".config", "opencode")
-const OPENCODE_PACKAGE_JSON = join(OPENCODE_CONFIG_DIR, "package.json")
-const OPENCODE_JSON = join(OPENCODE_CONFIG_DIR, "opencode.json")
-const OPENCODE_JSONC = join(OPENCODE_CONFIG_DIR, "opencode.jsonc")
-
-async function fetchLatestVersion(): Promise<string | null> {
-  try {
-    const res = await fetch(`https://registry.npmjs.org/${PACKAGE_NAME}/latest`, {
-      signal: AbortSignal.timeout(5000),
-    })
-    if (!res.ok) return null
-    const data = (await res.json()) as { version: string }
-    return data.version
-  } catch {
-    return null
-  }
-}
-
-function getCurrentVersion(): {
-  version: string | null
-  isLocalDev: boolean
-  isPinned: boolean
-  pinnedVersion: string | null
-} {
-  const configPath = existsSync(OPENCODE_JSONC) ? OPENCODE_JSONC : OPENCODE_JSON
-
-  if (!existsSync(configPath)) {
-    return { version: null, isLocalDev: false, isPinned: false, pinnedVersion: null }
-  }
-
-  try {
-    const content = readFileSync(configPath, "utf-8")
-    const config = parseJsonc<{ plugin?: string[] }>(content)
-    const plugins = config.plugin ?? []
-
-    for (const plugin of plugins) {
-      if (plugin.startsWith("file:") && plugin.includes(PACKAGE_NAME)) {
-        return { version: "local-dev", isLocalDev: true, isPinned: false, pinnedVersion: null }
-      }
-      if (plugin.startsWith(`${PACKAGE_NAME}@`)) {
-        const pinnedVersion = plugin.split("@")[1]
-        return { version: pinnedVersion, isLocalDev: false, isPinned: true, pinnedVersion }
-      }
-      if (plugin === PACKAGE_NAME) {
-        if (existsSync(OPENCODE_PACKAGE_JSON)) {
-          try {
-            const pkgContent = readFileSync(OPENCODE_PACKAGE_JSON, "utf-8")
-            const pkg = JSON.parse(pkgContent) as { dependencies?: Record<string, string> }
-            const depVersion = pkg.dependencies?.[PACKAGE_NAME]
-            if (depVersion) {
-              const cleanVersion = depVersion.replace(/^[\^~]/, "")
-              return { version: cleanVersion, isLocalDev: false, isPinned: false, pinnedVersion: null }
-            }
-          } catch {
-            // intentionally empty - parse errors ignored
-          }
-        }
-        return { version: null, isLocalDev: false, isPinned: false, pinnedVersion: null }
-      }
-    }
-
-    return { version: null, isLocalDev: false, isPinned: false, pinnedVersion: null }
-  } catch {
-    return { version: null, isLocalDev: false, isPinned: false, pinnedVersion: null }
-  }
-}
+import { CHECK_IDS, CHECK_NAMES } from "../constants"
+import {
+  getCachedVersion,
+  getLatestVersion,
+  isLocalDevMode,
+  findPluginEntry,
+} from "../../../hooks/auto-update-checker/checker"
 
 function compareVersions(current: string, latest: string): boolean {
   const parseVersion = (v: string): number[] => {
@@ -91,22 +26,43 @@ function compareVersions(current: string, latest: string): boolean {
 }
 
 export async function getVersionInfo(): Promise<VersionCheckInfo> {
-  const current = getCurrentVersion()
-  const latestVersion = await fetchLatestVersion()
+  const cwd = process.cwd()
+
+  if (isLocalDevMode(cwd)) {
+    return {
+      currentVersion: "local-dev",
+      latestVersion: null,
+      isUpToDate: true,
+      isLocalDev: true,
+      isPinned: false,
+    }
+  }
+
+  const pluginInfo = findPluginEntry(cwd)
+  if (pluginInfo?.isPinned) {
+    return {
+      currentVersion: pluginInfo.pinnedVersion,
+      latestVersion: null,
+      isUpToDate: true,
+      isLocalDev: false,
+      isPinned: true,
+    }
+  }
+
+  const currentVersion = getCachedVersion()
+  const latestVersion = await getLatestVersion()
 
   const isUpToDate =
-    current.isLocalDev ||
-    current.isPinned ||
-    !current.version ||
+    !currentVersion ||
     !latestVersion ||
-    compareVersions(current.version, latestVersion)
+    compareVersions(currentVersion, latestVersion)
 
   return {
-    currentVersion: current.version,
+    currentVersion,
     latestVersion,
     isUpToDate,
-    isLocalDev: current.isLocalDev,
-    isPinned: current.isPinned,
+    isLocalDev: false,
+    isPinned: false,
   }
 }
 

src/cli/doctor/constants.ts

@@ -27,6 +27,7 @@ export const CHECK_IDS = {
   DEP_AST_GREP_CLI: "dep-ast-grep-cli",
   DEP_AST_GREP_NAPI: "dep-ast-grep-napi",
   DEP_COMMENT_CHECKER: "dep-comment-checker",
+  GH_CLI: "gh-cli",
   LSP_SERVERS: "lsp-servers",
   MCP_BUILTIN: "mcp-builtin",
   MCP_USER: "mcp-user",
@@ -43,6 +44,7 @@ export const CHECK_NAMES: Record<string, string> = {
   [CHECK_IDS.DEP_AST_GREP_CLI]: "AST-Grep CLI",
   [CHECK_IDS.DEP_AST_GREP_NAPI]: "AST-Grep NAPI",
   [CHECK_IDS.DEP_COMMENT_CHECKER]: "Comment Checker",
+  [CHECK_IDS.GH_CLI]: "GitHub CLI",
   [CHECK_IDS.LSP_SERVERS]: "LSP Servers",
   [CHECK_IDS.MCP_BUILTIN]: "Built-in MCP Servers",
   [CHECK_IDS.MCP_USER]: "User MCP Configuration",

src/cli/install.ts

@@ -331,6 +331,17 @@ async function runNonTuiInstall(args: InstallArgs): Promise<number> {
   console.log(`${SYMBOLS.star} ${color.bold(color.green(isUpdate ? "Configuration updated!" : "Installation complete!"))}`)
   console.log(`  Run ${color.cyan("opencode")} to start!`)
   console.log()
+
+  printBox(
+    `${color.bold("Pro Tip:")} Include ${color.cyan("ultrawork")} (or ${color.cyan("ulw")}) in your prompt.\n` +
+    `All features work like magic—parallel agents, background tasks,\n` +
+    `deep exploration, and relentless execution until completion.`,
+    "🪄 The Magic Word"
+  )
+
+  console.log(`${SYMBOLS.star} ${color.yellow("If you found this helpful, consider starring the repo!")}`)
+  console.log(`  ${color.dim("gh repo star code-yeongyu/oh-my-opencode")}`)
+  console.log()
   console.log(color.dim("oMoMoMoMo... Enjoy!"))
   console.log()
 
@@ -450,6 +461,16 @@ export async function install(args: InstallArgs): Promise<number> {
   p.log.success(color.bold(isUpdate ? "Configuration updated!" : "Installation complete!"))
   p.log.message(`Run ${color.cyan("opencode")} to start!`)
 
+  p.note(
+    `Include ${color.cyan("ultrawork")} (or ${color.cyan("ulw")}) in your prompt.\n` +
+    `All features work like magic—parallel agents, background tasks,\n` +
+    `deep exploration, and relentless execution until completion.`,
+    "🪄 The Magic Word"
+  )
+
+  p.log.message(`${color.yellow("★")} If you found this helpful, consider starring the repo!`)
+  p.log.message(`  ${color.dim("gh repo star code-yeongyu/oh-my-opencode")}`)
+
   p.outro(color.green("oMoMoMoMo... Enjoy!"))
 
   return 0

src/config/schema.ts

@@ -26,6 +26,10 @@ export const BuiltinAgentNameSchema = z.enum([
   "multimodal-looker",
 ])
 
+export const BuiltinSkillNameSchema = z.enum([
+  "playwright",
+])
+
 export const OverridableAgentNameSchema = z.enum([
   "build",
   "plan",
@@ -66,7 +70,11 @@ export const HookNameSchema = z.enum([
   "empty-message-sanitizer",
   "thinking-block-validator",
   "ralph-loop",
-  "dcp-for-compaction",
+  "preemptive-compaction",
+  "compaction-context-injector",
+  "claude-code-hooks",
+  "auto-slash-command",
+  "edit-error-recovery",
 ])
 
 export const BuiltinCommandNameSchema = z.enum([
@@ -165,14 +173,16 @@ export const DynamicContextPruningConfigSchema = z.object({
 export const ExperimentalConfigSchema = z.object({
   aggressive_truncation: z.boolean().optional(),
   auto_resume: z.boolean().optional(),
-  /** Enable preemptive compaction at threshold (default: true) */
+  /** Enable preemptive compaction at threshold (default: true since v2.9.0) */
   preemptive_compaction: z.boolean().optional(),
   /** Threshold percentage to trigger preemptive compaction (default: 0.80) */
   preemptive_compaction_threshold: z.number().min(0.5).max(0.95).optional(),
-  /** Truncate all tool outputs, not just whitelisted tools (default: true) */
-  truncate_all_tool_outputs: z.boolean().default(true),
+  /** Truncate all tool outputs, not just whitelisted tools (default: false). Tool output truncator is enabled by default - disable via disabled_hooks. */
+  truncate_all_tool_outputs: z.boolean().optional(),
   /** Dynamic context pruning configuration */
   dynamic_context_pruning: DynamicContextPruningConfigSchema.optional(),
+  /** Enable DCP (Dynamic Context Pruning) for compaction - runs first when token limit exceeded (default: false) */
+  dcp_for_compaction: z.boolean().optional(),
 })
 
 export const SkillSourceSchema = z.union([
@@ -226,6 +236,7 @@ export const OhMyOpenCodeConfigSchema = z.object({
   $schema: z.string().optional(),
   disabled_mcps: z.array(McpNameSchema).optional(),
   disabled_agents: z.array(BuiltinAgentNameSchema).optional(),
+  disabled_skills: z.array(BuiltinSkillNameSchema).optional(),
   disabled_hooks: z.array(HookNameSchema).optional(),
   disabled_commands: z.array(BuiltinCommandNameSchema).optional(),
   agents: AgentOverridesSchema.optional(),
@@ -245,6 +256,7 @@ export type AgentOverrides = z.infer<typeof AgentOverridesSchema>
 export type AgentName = z.infer<typeof AgentNameSchema>
 export type HookName = z.infer<typeof HookNameSchema>
 export type BuiltinCommandName = z.infer<typeof BuiltinCommandNameSchema>
+export type BuiltinSkillName = z.infer<typeof BuiltinSkillNameSchema>
 export type SisyphusAgentConfig = z.infer<typeof SisyphusAgentConfigSchema>
 export type CommentCheckerConfig = z.infer<typeof CommentCheckerConfigSchema>
 export type ExperimentalConfig = z.infer<typeof ExperimentalConfigSchema>

src/features/AGENTS.md

@@ -2,79 +2,65 @@
 
 ## OVERVIEW
 
-Claude Code compatibility layer and core feature modules. Enables Claude Code configs/commands/skills/MCPs/hooks to work seamlessly in OpenCode.
+Claude Code compatibility layer + core feature modules. Commands, skills, agents, MCPs, hooks from Claude Code work seamlessly.
 
 ## STRUCTURE
 
 ```
 features/
-├── background-agent/           # Background task management
-│   ├── manager.ts              # Task lifecycle, notifications
-│   ├── manager.test.ts
-│   └── types.ts
-├── builtin-commands/           # Built-in slash command definitions
-├── claude-code-agent-loader/   # Load agents from ~/.claude/agents/*.md
-├── claude-code-command-loader/ # Load commands from ~/.claude/commands/*.md
-├── claude-code-mcp-loader/     # Load MCPs from .mcp.json
+├── background-agent/           # Task lifecycle, notifications (460 lines)
+├── builtin-commands/           # Built-in slash commands
+├── builtin-skills/             # Built-in skills (playwright)
+├── claude-code-agent-loader/   # ~/.claude/agents/*.md
+├── claude-code-command-loader/ # ~/.claude/commands/*.md
+├── claude-code-mcp-loader/     # .mcp.json files
 │   └── env-expander.ts         # ${VAR} expansion
-├── claude-code-plugin-loader/  # Load external plugins from installed_plugins.json
+├── claude-code-plugin-loader/  # installed_plugins.json (484 lines)
 ├── claude-code-session-state/  # Session state persistence
-├── opencode-skill-loader/      # Load skills from OpenCode and Claude paths
+├── opencode-skill-loader/      # Skills from OpenCode + Claude paths
+├── skill-mcp-manager/          # MCP servers in skill YAML
 └── hook-message-injector/      # Inject messages into conversation
 ```
 
 ## LOADER PRIORITY
 
-Each loader reads from multiple directories (highest priority first):
-
-| Loader | Priority Order |
-|--------|---------------|
+| Loader | Priority (highest first) |
+|--------|--------------------------|
 | Commands | `.opencode/command/` > `~/.config/opencode/command/` > `.claude/commands/` > `~/.claude/commands/` |
 | Skills | `.opencode/skill/` > `~/.config/opencode/skill/` > `.claude/skills/` > `~/.claude/skills/` |
 | Agents | `.claude/agents/` > `~/.claude/agents/` |
 | MCPs | `.claude/.mcp.json` > `.mcp.json` > `~/.claude/.mcp.json` |
 
-## HOW TO ADD A LOADER
-
-1. Create directory: `src/features/claude-code-my-loader/`
-2. Create files:
-   - `loader.ts`: Main loader logic with `load()` function
-   - `types.ts`: TypeScript interfaces
-   - `index.ts`: Barrel export
-3. Pattern: Read from multiple dirs, merge with priority, return normalized config
-
-## BACKGROUND AGENT SPECIFICS
-
-- **Task lifecycle**: pending → running → completed/failed
-- **Notifications**: OS notification on task complete (configurable)
-- **Result retrieval**: `background_output` tool with task_id
-- **Cancellation**: `background_cancel` with task_id or all=true
-
 ## CONFIG TOGGLES
 
-Disable features in `oh-my-opencode.json`:
-
 ```json
 {
   "claude_code": {
-    "mcp": false,      // Skip .mcp.json loading
-    "commands": false, // Skip commands/*.md loading
-    "skills": false,   // Skip skills/*/SKILL.md loading
-    "agents": false,   // Skip agents/*.md loading
+    "mcp": false,      // Skip .mcp.json
+    "commands": false, // Skip commands/*.md
+    "skills": false,   // Skip skills/*/SKILL.md
+    "agents": false,   // Skip agents/*.md
     "hooks": false     // Skip settings.json hooks
   }
 }
 ```
 
-## HOOK MESSAGE INJECTOR
+## BACKGROUND AGENT
 
-- **Purpose**: Inject system messages into conversation at specific points
-- **Timing**: PreToolUse, PostToolUse, UserPromptSubmit, Stop
-- **Format**: Returns `{ messages: [{ role: "user", content: "..." }] }`
+- Lifecycle: pending → running → completed/failed
+- OS notification on complete
+- `background_output` to retrieve results
+- `background_cancel` with task_id or all=true
 
-## ANTI-PATTERNS (FEATURES)
+## SKILL MCP
 
-- **Blocking on load**: Loaders run at startup, keep them fast
-- **No error handling**: Always try/catch, log failures, return empty on error
-- **Ignoring priority**: Higher priority dirs must override lower
-- **Modifying user files**: Loaders read-only, never write to ~/.claude/
+- MCP servers embedded in skill YAML frontmatter
+- Lazy client loading, session-scoped cleanup
+- `skill_mcp` tool exposes capabilities
+
+## ANTI-PATTERNS
+
+- Blocking on load (loaders run at startup)
+- No error handling (always try/catch)
+- Ignoring priority order
+- Writing to ~/.claude/ (read-only)

src/features/background-agent/manager.test.ts

@@ -1,8 +1,11 @@
 import { describe, test, expect, beforeEach } from "bun:test"
 import type { BackgroundTask } from "./types"
 
+const TASK_TTL_MS = 30 * 60 * 1000
+
 class MockBackgroundManager {
   private tasks: Map<string, BackgroundTask> = new Map()
+  private notifications: Map<string, BackgroundTask[]> = new Map()
 
   addTask(task: BackgroundTask): void {
     this.tasks.set(task.id, task)
@@ -34,6 +37,74 @@ class MockBackgroundManager {
 
     return result
   }
+
+  markForNotification(task: BackgroundTask): void {
+    const queue = this.notifications.get(task.parentSessionID) ?? []
+    queue.push(task)
+    this.notifications.set(task.parentSessionID, queue)
+  }
+
+  getPendingNotifications(sessionID: string): BackgroundTask[] {
+    return this.notifications.get(sessionID) ?? []
+  }
+
+  private clearNotificationsForTask(taskId: string): void {
+    for (const [sessionID, tasks] of this.notifications.entries()) {
+      const filtered = tasks.filter((t) => t.id !== taskId)
+      if (filtered.length === 0) {
+        this.notifications.delete(sessionID)
+      } else {
+        this.notifications.set(sessionID, filtered)
+      }
+    }
+  }
+
+  pruneStaleTasksAndNotifications(): { prunedTasks: string[]; prunedNotifications: number } {
+    const now = Date.now()
+    const prunedTasks: string[] = []
+    let prunedNotifications = 0
+
+    for (const [taskId, task] of this.tasks.entries()) {
+      const age = now - task.startedAt.getTime()
+      if (age > TASK_TTL_MS) {
+        prunedTasks.push(taskId)
+        this.clearNotificationsForTask(taskId)
+        this.tasks.delete(taskId)
+      }
+    }
+
+    for (const [sessionID, notifications] of this.notifications.entries()) {
+      if (notifications.length === 0) {
+        this.notifications.delete(sessionID)
+        continue
+      }
+      const validNotifications = notifications.filter((task) => {
+        const age = now - task.startedAt.getTime()
+        return age <= TASK_TTL_MS
+      })
+      const removed = notifications.length - validNotifications.length
+      prunedNotifications += removed
+      if (validNotifications.length === 0) {
+        this.notifications.delete(sessionID)
+      } else if (validNotifications.length !== notifications.length) {
+        this.notifications.set(sessionID, validNotifications)
+      }
+    }
+
+    return { prunedTasks, prunedNotifications }
+  }
+
+  getTaskCount(): number {
+    return this.tasks.size
+  }
+
+  getNotificationCount(): number {
+    let count = 0
+    for (const notifications of this.notifications.values()) {
+      count += notifications.length
+    }
+    return count
+  }
 }
 
 function createMockTask(overrides: Partial<BackgroundTask> & { id: string; sessionID: string; parentSessionID: string }): BackgroundTask {
@@ -230,3 +301,116 @@ describe("BackgroundManager.getAllDescendantTasks", () => {
     expect(result[0].id).toBe("task-b")
   })
 })
+
+describe("BackgroundManager.pruneStaleTasksAndNotifications", () => {
+  let manager: MockBackgroundManager
+
+  beforeEach(() => {
+    // #given
+    manager = new MockBackgroundManager()
+  })
+
+  test("should not prune fresh tasks", () => {
+    // #given
+    const task = createMockTask({
+      id: "task-fresh",
+      sessionID: "session-fresh",
+      parentSessionID: "session-parent",
+      startedAt: new Date(),
+    })
+    manager.addTask(task)
+
+    // #when
+    const result = manager.pruneStaleTasksAndNotifications()
+
+    // #then
+    expect(result.prunedTasks).toHaveLength(0)
+    expect(manager.getTaskCount()).toBe(1)
+  })
+
+  test("should prune tasks older than 30 minutes", () => {
+    // #given
+    const staleDate = new Date(Date.now() - 31 * 60 * 1000)
+    const task = createMockTask({
+      id: "task-stale",
+      sessionID: "session-stale",
+      parentSessionID: "session-parent",
+      startedAt: staleDate,
+    })
+    manager.addTask(task)
+
+    // #when
+    const result = manager.pruneStaleTasksAndNotifications()
+
+    // #then
+    expect(result.prunedTasks).toContain("task-stale")
+    expect(manager.getTaskCount()).toBe(0)
+  })
+
+  test("should prune stale notifications", () => {
+    // #given
+    const staleDate = new Date(Date.now() - 31 * 60 * 1000)
+    const task = createMockTask({
+      id: "task-stale",
+      sessionID: "session-stale",
+      parentSessionID: "session-parent",
+      startedAt: staleDate,
+    })
+    manager.markForNotification(task)
+
+    // #when
+    const result = manager.pruneStaleTasksAndNotifications()
+
+    // #then
+    expect(result.prunedNotifications).toBe(1)
+    expect(manager.getNotificationCount()).toBe(0)
+  })
+
+  test("should clean up notifications when task is pruned", () => {
+    // #given
+    const staleDate = new Date(Date.now() - 31 * 60 * 1000)
+    const task = createMockTask({
+      id: "task-stale",
+      sessionID: "session-stale",
+      parentSessionID: "session-parent",
+      startedAt: staleDate,
+    })
+    manager.addTask(task)
+    manager.markForNotification(task)
+
+    // #when
+    manager.pruneStaleTasksAndNotifications()
+
+    // #then
+    expect(manager.getTaskCount()).toBe(0)
+    expect(manager.getNotificationCount()).toBe(0)
+  })
+
+  test("should keep fresh tasks while pruning stale ones", () => {
+    // #given
+    const staleDate = new Date(Date.now() - 31 * 60 * 1000)
+    const staleTask = createMockTask({
+      id: "task-stale",
+      sessionID: "session-stale",
+      parentSessionID: "session-parent",
+      startedAt: staleDate,
+    })
+    const freshTask = createMockTask({
+      id: "task-fresh",
+      sessionID: "session-fresh",
+      parentSessionID: "session-parent",
+      startedAt: new Date(),
+    })
+    manager.addTask(staleTask)
+    manager.addTask(freshTask)
+
+    // #when
+    const result = manager.pruneStaleTasksAndNotifications()
+
+    // #then
+    expect(result.prunedTasks).toHaveLength(1)
+    expect(result.prunedTasks).toContain("task-stale")
+    expect(manager.getTaskCount()).toBe(1)
+    expect(manager.getTask("task-fresh")).toBeDefined()
+  })
+})

src/features/background-agent/manager.ts

@@ -12,6 +12,8 @@ import {
 } from "../hook-message-injector"
 import { subagentSessions } from "../claude-code-session-state"
 
+const TASK_TTL_MS = 30 * 60 * 1000
+
 type OpencodeClient = PluginInput["client"]
 
 interface MessagePartInfo {
@@ -345,11 +347,12 @@ export class BackgroundManager {
           },
           query: { directory: this.directory },
         })
-        this.clearNotificationsForTask(taskId)
         log("[background-agent] Successfully sent prompt to parent session:", { parentSessionID: task.parentSessionID })
       } catch (error) {
         log("[background-agent] prompt failed:", String(error))
       } finally {
+        // Always clean up both maps to prevent memory leaks
+        this.clearNotificationsForTask(taskId)
         this.tasks.delete(taskId)
         log("[background-agent] Removed completed task from memory:", taskId)
       }
@@ -377,7 +380,42 @@ export class BackgroundManager {
     return false
   }
 
+  private pruneStaleTasksAndNotifications(): void {
+    const now = Date.now()
+
+    for (const [taskId, task] of this.tasks.entries()) {
+      const age = now - task.startedAt.getTime()
+      if (age > TASK_TTL_MS) {
+        log("[background-agent] Pruning stale task:", { taskId, age: Math.round(age / 1000) + "s" })
+        task.status = "error"
+        task.error = "Task timed out after 30 minutes"
+        task.completedAt = new Date()
+        this.clearNotificationsForTask(taskId)
+        this.tasks.delete(taskId)
+        subagentSessions.delete(task.sessionID)
+      }
+    }
+
+    for (const [sessionID, notifications] of this.notifications.entries()) {
+      if (notifications.length === 0) {
+        this.notifications.delete(sessionID)
+        continue
+      }
+      const validNotifications = notifications.filter((task) => {
+        const age = now - task.startedAt.getTime()
+        return age <= TASK_TTL_MS
+      })
+      if (validNotifications.length === 0) {
+        this.notifications.delete(sessionID)
+      } else if (validNotifications.length !== notifications.length) {
+        this.notifications.set(sessionID, validNotifications)
+      }
+    }
+  }
+
   private async pollRunningTasks(): Promise<void> {
+    this.pruneStaleTasksAndNotifications()
+
     const statusResult = await this.client.session.status()
     const allStatuses = (statusResult.data ?? {}) as Record<string, { type: string }>
 

src/features/builtin-commands/commands.ts

@@ -42,10 +42,8 @@ export function loadBuiltinCommands(
 
   for (const [name, definition] of Object.entries(BUILTIN_COMMAND_DEFINITIONS)) {
     if (!disabled.has(name as BuiltinCommandName)) {
-      commands[name] = {
-        name,
-        ...definition,
-      }
+      const { argumentHint: _argumentHint, ...openCodeCompatible } = definition
+      commands[name] = openCodeCompatible as CommandDefinition
     }
   }
 

src/features/builtin-commands/templates/init-deep.ts

@@ -1,205 +1,191 @@
-export const INIT_DEEP_TEMPLATE = `# Initialize Deep Knowledge Base
+export const INIT_DEEP_TEMPLATE = `# /init-deep
 
-Generate comprehensive AGENTS.md files across project hierarchy. Combines root-level project knowledge (gen-knowledge) with complexity-based subdirectory documentation (gen-knowledge-deep).
+Generate hierarchical AGENTS.md files. Root + complexity-scored subdirectories.
 
 ## Usage
 
 \`\`\`
-/init-deep                      # Analyze and generate hierarchical AGENTS.md
-/init-deep --create-new         # Force create from scratch (ignore existing)
-/init-deep --max-depth=2        # Limit to N directory levels (default: 3)
+/init-deep                      # Update mode: modify existing + create new where warranted
+/init-deep --create-new         # Read existing → remove all → regenerate from scratch
+/init-deep --max-depth=2        # Limit directory depth (default: 3)
 \`\`\`
 
 ---
 
-## Core Principles
+## Workflow (High-Level)
 
-- **Telegraphic Style**: Sacrifice grammar for concision ("Project uses React" → "React 18")
-- **Predict-then-Compare**: Predict standard → find actual → document ONLY deviations
-- **Hierarchy Aware**: Parent covers general, children cover specific
-- **No Redundancy**: Child AGENTS.md NEVER repeats parent content
-- **LSP-First**: Use LSP tools for accurate code intelligence when available (semantic > text search)
-
----
-
-## Process
+1. **Discovery + Analysis** (concurrent)
+   - Fire background explore agents immediately
+   - Main session: bash structure + LSP codemap + read existing AGENTS.md
+2. **Score & Decide** - Determine AGENTS.md locations from merged findings
+3. **Generate** - Root first, then subdirs in parallel
+4. **Review** - Deduplicate, trim, validate
 
 <critical>
-**MANDATORY: TodoWrite for ALL phases. Mark in_progress → completed in real-time.**
-</critical>
-
-### Phase 0: Initialize
-
+**TodoWrite ALL phases. Mark in_progress → completed in real-time.**
 \`\`\`
 TodoWrite([
-  { id: "p1-analysis", content: "Parallel project structure & complexity analysis", status: "pending", priority: "high" },
-  { id: "p2-scoring", content: "Score directories, determine AGENTS.md locations", status: "pending", priority: "high" },
-  { id: "p3-root", content: "Generate root AGENTS.md with Predict-then-Compare", status: "pending", priority: "high" },
-  { id: "p4-subdirs", content: "Generate subdirectory AGENTS.md files in parallel", status: "pending", priority: "high" },
-  { id: "p5-review", content: "Review, deduplicate, validate all files", status: "pending", priority: "medium" }
+  { id: "discovery", content: "Fire explore agents + LSP codemap + read existing", status: "pending", priority: "high" },
+  { id: "scoring", content: "Score directories, determine locations", status: "pending", priority: "high" },
+  { id: "generate", content: "Generate AGENTS.md files (root + subdirs)", status: "pending", priority: "high" },
+  { id: "review", content: "Deduplicate, validate, trim", status: "pending", priority: "medium" }
 ])
 \`\`\`
+</critical>
 
 ---
 
-## Phase 1: Parallel Project Analysis
+## Phase 1: Discovery + Analysis (Concurrent)
 
-**Mark "p1-analysis" as in_progress.**
+**Mark "discovery" as in_progress.**
 
-Launch **ALL tasks simultaneously**:
+### Fire Background Explore Agents IMMEDIATELY
 
-<parallel-tasks>
+Don't wait—these run async while main session works.
+
+\`\`\`
+// Fire all at once, collect results later
+background_task(agent="explore", prompt="Project structure: PREDICT standard patterns for detected language → REPORT deviations only")
+background_task(agent="explore", prompt="Entry points: FIND main files → REPORT non-standard organization")
+background_task(agent="explore", prompt="Conventions: FIND config files (.eslintrc, pyproject.toml, .editorconfig) → REPORT project-specific rules")
+background_task(agent="explore", prompt="Anti-patterns: FIND 'DO NOT', 'NEVER', 'ALWAYS', 'DEPRECATED' comments → LIST forbidden patterns")
+background_task(agent="explore", prompt="Build/CI: FIND .github/workflows, Makefile → REPORT non-standard patterns")
+background_task(agent="explore", prompt="Test patterns: FIND test configs, test structure → REPORT unique conventions")
+\`\`\`
+
+<dynamic-agents>
+**DYNAMIC AGENT SPAWNING**: After bash analysis, spawn ADDITIONAL explore agents based on project scale:
+
+| Factor | Threshold | Additional Agents |
+|--------|-----------|-------------------|
+| **Total files** | >100 | +1 per 100 files |
+| **Total lines** | >10k | +1 per 10k lines |
+| **Directory depth** | ≥4 | +2 for deep exploration |
+| **Large files (>500 lines)** | >10 files | +1 for complexity hotspots |
+| **Monorepo** | detected | +1 per package/workspace |
+| **Multiple languages** | >1 | +1 per language |
 
-### Structural Analysis (bash - run in parallel)
 \`\`\`bash
-# Task A: Directory depth analysis
-find . -type d -not -path '*/\\.*' -not -path '*/node_modules/*' -not -path '*/venv/*' -not -path '*/__pycache__/*' -not -path '*/dist/*' -not -path '*/build/*' | awk -F/ '{print NF-1}' | sort -n | uniq -c
+# Measure project scale first
+total_files=$(find . -type f -not -path '*/node_modules/*' -not -path '*/.git/*' | wc -l)
+total_lines=$(find . -type f \\( -name "*.ts" -o -name "*.py" -o -name "*.go" \\) -not -path '*/node_modules/*' -exec wc -l {} + 2>/dev/null | tail -1 | awk '{print $1}')
+large_files=$(find . -type f \\( -name "*.ts" -o -name "*.py" \\) -not -path '*/node_modules/*' -exec wc -l {} + 2>/dev/null | awk '$1 > 500 {count++} END {print count+0}')
+max_depth=$(find . -type d -not -path '*/node_modules/*' -not -path '*/.git/*' | awk -F/ '{print NF}' | sort -rn | head -1)
+\`\`\`
 
-# Task B: File count per directory  
-find . -type f -not -path '*/\\.*' -not -path '*/node_modules/*' -not -path '*/venv/*' -not -path '*/__pycache__/*' | sed 's|/[^/]*$||' | sort | uniq -c | sort -rn | head -30
+Example spawning:
+\`\`\`
+// 500 files, 50k lines, depth 6, 15 large files → spawn 5+5+2+1 = 13 additional agents
+background_task(agent="explore", prompt="Large file analysis: FIND files >500 lines, REPORT complexity hotspots")
+background_task(agent="explore", prompt="Deep modules at depth 4+: FIND hidden patterns, internal conventions")
+background_task(agent="explore", prompt="Cross-cutting concerns: FIND shared utilities across directories")
+// ... more based on calculation
+\`\`\`
+</dynamic-agents>
 
-# Task C: Code concentration
-find . -type f \\( -name "*.py" -o -name "*.ts" -o -name "*.tsx" -o -name "*.js" -o -name "*.jsx" -o -name "*.go" -o -name "*.rs" -o -name "*.java" \\) -not -path '*/node_modules/*' -not -path '*/venv/*' | sed 's|/[^/]*$||' | sort | uniq -c | sort -rn | head -20
+### Main Session: Concurrent Analysis
 
-# Task D: Existing knowledge files
+**While background agents run**, main session does:
+
+#### 1. Bash Structural Analysis
+\`\`\`bash
+# Directory depth + file counts
+find . -type d -not -path '*/\\.*' -not -path '*/node_modules/*' -not -path '*/venv/*' -not -path '*/dist/*' -not -path '*/build/*' | awk -F/ '{print NF-1}' | sort -n | uniq -c
+
+# Files per directory (top 30)
+find . -type f -not -path '*/\\.*' -not -path '*/node_modules/*' | sed 's|/[^/]*$||' | sort | uniq -c | sort -rn | head -30
+
+# Code concentration by extension
+find . -type f \\( -name "*.py" -o -name "*.ts" -o -name "*.tsx" -o -name "*.js" -o -name "*.go" -o -name "*.rs" \\) -not -path '*/node_modules/*' | sed 's|/[^/]*$||' | sort | uniq -c | sort -rn | head -20
+
+# Existing AGENTS.md / CLAUDE.md
 find . -type f \\( -name "AGENTS.md" -o -name "CLAUDE.md" \\) -not -path '*/node_modules/*' 2>/dev/null
 \`\`\`
 
-### Context Gathering (Explore agents - background_task in parallel)
-
+#### 2. Read Existing AGENTS.md
 \`\`\`
-background_task(agent="explore", prompt="Project structure: PREDICT standard {lang} patterns → FIND package.json/pyproject.toml/go.mod → REPORT deviations only")
-
-background_task(agent="explore", prompt="Entry points: PREDICT typical (main.py, index.ts) → FIND actual → REPORT non-standard organization")
-
-background_task(agent="explore", prompt="Conventions: FIND .cursor/rules, .cursorrules, eslintrc, pyproject.toml → REPORT project-specific rules DIFFERENT from defaults")
-
-background_task(agent="explore", prompt="Anti-patterns: FIND comments with 'DO NOT', 'NEVER', 'ALWAYS', 'LEGACY', 'DEPRECATED' → REPORT forbidden patterns")
-
-background_task(agent="explore", prompt="Build/CI: FIND .github/workflows, Makefile, justfile → REPORT non-standard build/deploy patterns")
-
-background_task(agent="explore", prompt="Test patterns: FIND pytest.ini, jest.config, test structure → REPORT unique testing conventions")
+For each existing file found:
+  Read(filePath=file)
+  Extract: key insights, conventions, anti-patterns
+  Store in EXISTING_AGENTS map
 \`\`\`
 
-### Code Intelligence Analysis (LSP tools - run in parallel)
-
-LSP provides semantic understanding beyond text search. Use for accurate code mapping.
+If \`--create-new\`: Read all existing first (preserve context) → then delete all → regenerate.
 
+#### 3. LSP Codemap (if available)
 \`\`\`
-# Step 1: Check LSP availability
-lsp_servers()  # Verify language server is available
+lsp_servers()  # Check availability
 
-# Step 2: Analyze entry point files (run in parallel)
-# Find entry points first, then analyze each with lsp_document_symbols
-lsp_document_symbols(filePath="src/index.ts")      # Main entry
-lsp_document_symbols(filePath="src/main.py")       # Python entry
-lsp_document_symbols(filePath="cmd/main.go")       # Go entry
+# Entry points (parallel)
+lsp_document_symbols(filePath="src/index.ts")
+lsp_document_symbols(filePath="main.py")
 
-# Step 3: Discover key symbols across workspace (run in parallel)
-lsp_workspace_symbols(filePath=".", query="class")      # All classes
-lsp_workspace_symbols(filePath=".", query="interface")  # All interfaces
-lsp_workspace_symbols(filePath=".", query="function")   # Top-level functions
-lsp_workspace_symbols(filePath=".", query="type")       # Type definitions
+# Key symbols (parallel)
+lsp_workspace_symbols(filePath=".", query="class")
+lsp_workspace_symbols(filePath=".", query="interface")
+lsp_workspace_symbols(filePath=".", query="function")
 
-# Step 4: Analyze symbol centrality (for top 5-10 key symbols)
-# High reference count = central/important concept
-lsp_find_references(filePath="src/index.ts", line=X, character=Y)  # Main export
+# Centrality for top exports
+lsp_find_references(filePath="...", line=X, character=Y)
 \`\`\`
 
-#### LSP Analysis Output Format
+**LSP Fallback**: If unavailable, rely on explore agents + AST-grep.
+
+### Collect Background Results
 
 \`\`\`
-CODE_INTELLIGENCE = {
-  entry_points: [
-    { file: "src/index.ts", exports: ["Plugin", "createHook"], symbol_count: 12 }
-  ],
-  key_symbols: [
-    { name: "Plugin", type: "class", file: "src/index.ts", refs: 45, role: "Central orchestrator" },
-    { name: "createHook", type: "function", file: "src/utils.ts", refs: 23, role: "Hook factory" }
-  ],
-  module_boundaries: [
-    { dir: "src/hooks", exports: 21, imports_from: ["shared/"] },
-    { dir: "src/tools", exports: 15, imports_from: ["shared/", "hooks/"] }
-  ]
-}
+// After main session analysis done, collect all task results
+for each task_id: background_output(task_id="...")
 \`\`\`
 
-<critical>
-**LSP Fallback**: If LSP unavailable (no server installed), skip this section and rely on explore agents + AST-grep patterns.
-</critical>
-
-</parallel-tasks>
-
-**Collect all results. Mark "p1-analysis" as completed.**
+**Merge: bash + LSP + existing + explore findings. Mark "discovery" as completed.**
 
 ---
 
-## Phase 2: Complexity Scoring & Location Decision
+## Phase 2: Scoring & Location Decision
 
-**Mark "p2-scoring" as in_progress.**
+**Mark "scoring" as in_progress.**
 
 ### Scoring Matrix
 
-| Factor | Weight | Threshold | Source |
-|--------|--------|-----------|--------|
-| File count | 3x | >20 files = high | bash |
-| Subdirectory count | 2x | >5 subdirs = high | bash |
-| Code file ratio | 2x | >70% code = high | bash |
+| Factor | Weight | High Threshold | Source |
+|--------|--------|----------------|--------|
+| File count | 3x | >20 | bash |
+| Subdir count | 2x | >5 | bash |
+| Code ratio | 2x | >70% | bash |
 | Unique patterns | 1x | Has own config | explore |
-| Module boundary | 2x | Has __init__.py/index.ts | bash |
-| **Symbol density** | 2x | >30 symbols = high | LSP |
-| **Export count** | 2x | >10 exports = high | LSP |
-| **Reference centrality** | 3x | Symbols with >20 refs | LSP |
-
-<lsp-scoring>
-**LSP-Enhanced Scoring** (if available):
-
-\`\`\`
-For each directory in candidates:
-  symbols = lsp_document_symbols(dir/index.ts or dir/__init__.py)
-  
-  symbol_score = len(symbols) > 30 ? 6 : len(symbols) > 15 ? 3 : 0
-  export_score = count(exported symbols) > 10 ? 4 : 0
-  
-  # Check if this module is central (many things depend on it)
-  for each exported symbol:
-    refs = lsp_find_references(symbol)
-    if refs > 20: centrality_score += 3
-  
-  total_score += symbol_score + export_score + centrality_score
-\`\`\`
-</lsp-scoring>
+| Module boundary | 2x | Has index.ts/__init__.py | bash |
+| Symbol density | 2x | >30 symbols | LSP |
+| Export count | 2x | >10 exports | LSP |
+| Reference centrality | 3x | >20 refs | LSP |
 
 ### Decision Rules
 
 | Score | Action |
 |-------|--------|
-| **Root (.)** | ALWAYS create AGENTS.md |
-| **High (>15)** | Create dedicated AGENTS.md |
-| **Medium (8-15)** | Create if distinct domain |
-| **Low (<8)** | Skip, parent sufficient |
-
-### Output Format
+| **Root (.)** | ALWAYS create |
+| **>15** | Create AGENTS.md |
+| **8-15** | Create if distinct domain |
+| **<8** | Skip (parent covers) |
 
+### Output
 \`\`\`
 AGENTS_LOCATIONS = [
   { path: ".", type: "root" },
-  { path: "src/api", score: 18, reason: "high complexity, 45 files" },
-  { path: "src/hooks", score: 12, reason: "distinct domain, unique patterns" },
+  { path: "src/hooks", score: 18, reason: "high complexity" },
+  { path: "src/api", score: 12, reason: "distinct domain" }
 ]
 \`\`\`
 
-**Mark "p2-scoring" as completed.**
+**Mark "scoring" as completed.**
 
 ---
 
-## Phase 3: Generate Root AGENTS.md
+## Phase 3: Generate AGENTS.md
 
-**Mark "p3-root" as in_progress.**
+**Mark "generate" as in_progress.**
 
-Root AGENTS.md gets **full treatment** with Predict-then-Compare synthesis.
-
-### Required Sections
+### Root AGENTS.md (Full Treatment)
 
 \`\`\`markdown
 # PROJECT KNOWLEDGE BASE
@@ -209,153 +195,75 @@ Root AGENTS.md gets **full treatment** with Predict-then-Compare synthesis.
 **Branch:** {BRANCH}
 
 ## OVERVIEW
-
-{1-2 sentences: what project does, core tech stack}
+{1-2 sentences: what + core stack}
 
 ## STRUCTURE
-
 \\\`\\\`\\\`
-{project-root}/
-├── {dir}/      # {non-obvious purpose only}
-└── {entry}     # entry point
+{root}/
+├── {dir}/    # {non-obvious purpose only}
+└── {entry}
 \\\`\\\`\\\`
 
 ## WHERE TO LOOK
-
 | Task | Location | Notes |
 |------|----------|-------|
-| Add feature X | \\\`src/x/\\\` | {pattern hint} |
 
 ## CODE MAP
-
-{Generated from LSP analysis - shows key symbols and their relationships}
+{From LSP - skip if unavailable or project <10 files}
 
 | Symbol | Type | Location | Refs | Role |
 |--------|------|----------|------|------|
-| {MainClass} | Class | \\\`src/index.ts\\\` | {N} | {Central orchestrator} |
-| {createX} | Function | \\\`src/utils.ts\\\` | {N} | {Factory pattern} |
-| {Config} | Interface | \\\`src/types.ts\\\` | {N} | {Configuration contract} |
-
-### Module Dependencies
-
-\\\`\\\`\\\`
-{entry} ──imports──> {core/}
-   │                    │
-   └──imports──> {utils/} <──imports── {features/}
-\\\`\\\`\\\`
-
-<code-map-note>
-**Skip CODE MAP if**: LSP unavailable OR project too small (<10 files) OR no clear module boundaries.
-</code-map-note>
 
 ## CONVENTIONS
-
-{ONLY deviations from standard - skip generic advice}
-
-- **{rule}**: {specific detail}
+{ONLY deviations from standard}
 
 ## ANTI-PATTERNS (THIS PROJECT)
-
-{Things explicitly forbidden HERE}
-
-- **{pattern}**: {why} → {alternative}
+{Explicitly forbidden here}
 
 ## UNIQUE STYLES
-
-{Project-specific coding styles}
-
-- **{style}**: {how different}
+{Project-specific}
 
 ## COMMANDS
-
 \\\`\\\`\\\`bash
-{dev-command}
-{test-command}
-{build-command}
+{dev/test/build}
 \\\`\\\`\\\`
 
 ## NOTES
-
-{Gotchas, non-obvious info}
+{Gotchas}
 \`\`\`
 
-### Quality Gates
+**Quality gates**: 50-150 lines, no generic advice, no obvious info.
 
-- [ ] Size: 50-150 lines
-- [ ] No generic advice ("write clean code")
-- [ ] No obvious info ("tests/ has tests")
-- [ ] Every item is project-specific
+### Subdirectory AGENTS.md (Parallel)
 
-**Mark "p3-root" as completed.**
+Launch document-writer agents for each location:
+
+\`\`\`
+for loc in AGENTS_LOCATIONS (except root):
+  background_task(agent="document-writer", prompt=\\\`
+    Generate AGENTS.md for: \${loc.path}
+    - Reason: \${loc.reason}
+    - 30-80 lines max
+    - NEVER repeat parent content
+    - Sections: OVERVIEW (1 line), STRUCTURE (if >5 subdirs), WHERE TO LOOK, CONVENTIONS (if different), ANTI-PATTERNS
+  \\\`)
+\`\`\`
+
+**Wait for all. Mark "generate" as completed.**
 
 ---
 
-## Phase 4: Generate Subdirectory AGENTS.md
+## Phase 4: Review & Deduplicate
 
-**Mark "p4-subdirs" as in_progress.**
+**Mark "review" as in_progress.**
 
-For each location in AGENTS_LOCATIONS (except root), launch **parallel document-writer agents**:
+For each generated file:
+- Remove generic advice
+- Remove parent duplicates
+- Trim to size limits
+- Verify telegraphic style
 
-\`\`\`typescript
-for (const loc of AGENTS_LOCATIONS.filter(l => l.path !== ".")) {
-  background_task({
-    agent: "document-writer",
-    prompt: \\\`
-      Generate AGENTS.md for: \${loc.path}
-      
-      CONTEXT:
-      - Complexity reason: \${loc.reason}
-      - Parent AGENTS.md: ./AGENTS.md (already covers project overview)
-      
-      CRITICAL RULES:
-      1. Focus ONLY on this directory's specific context
-      2. NEVER repeat parent AGENTS.md content
-      3. Shorter is better - 30-80 lines max
-      4. Telegraphic style - sacrifice grammar
-      
-      REQUIRED SECTIONS:
-      - OVERVIEW (1 line: what this directory does)
-      - STRUCTURE (only if >5 subdirs)
-      - WHERE TO LOOK (directory-specific tasks)
-      - CONVENTIONS (only if DIFFERENT from root)
-      - ANTI-PATTERNS (directory-specific only)
-      
-      OUTPUT: Write to \${loc.path}/AGENTS.md
-    \\\`
-  })
-}
-\`\`\`
-
-**Wait for all agents. Mark "p4-subdirs" as completed.**
-
----
-
-## Phase 5: Review & Deduplicate
-
-**Mark "p5-review" as in_progress.**
-
-### Validation Checklist
-
-For EACH generated AGENTS.md:
-
-| Check | Action if Fail |
-|-------|----------------|
-| Contains generic advice | REMOVE the line |
-| Repeats parent content | REMOVE the line |
-| Missing required section | ADD it |
-| Over 150 lines (root) / 80 lines (subdir) | TRIM |
-| Verbose explanations | REWRITE telegraphic |
-
-### Cross-Reference Validation
-
-\`\`\`
-For each child AGENTS.md:
-  For each line in child:
-    If similar line exists in parent:
-      REMOVE from child (parent already covers)
-\`\`\`
-
-**Mark "p5-review" as completed.**
+**Mark "review" as completed.**
 
 ---
 
@@ -364,31 +272,29 @@ For each child AGENTS.md:
 \`\`\`
 === init-deep Complete ===
 
-Files Generated:
+Mode: {update | create-new}
+
+Files:
   ✓ ./AGENTS.md (root, {N} lines)
   ✓ ./src/hooks/AGENTS.md ({N} lines)
-  ✓ ./src/tools/AGENTS.md ({N} lines)
 
-Directories Analyzed: {N}
+Dirs Analyzed: {N}
 AGENTS.md Created: {N}
-Total Lines: {N}
+AGENTS.md Updated: {N}
 
 Hierarchy:
   ./AGENTS.md
-  ├── src/hooks/AGENTS.md
-  └── src/tools/AGENTS.md
+  └── src/hooks/AGENTS.md
 \`\`\`
 
 ---
 
-## Anti-Patterns for THIS Command
+## Anti-Patterns
 
-- **Over-documenting**: Not every directory needs AGENTS.md
-- **Redundancy**: Child must NOT repeat parent
+- **Static agent count**: MUST vary agents based on project size/depth
+- **Sequential execution**: MUST parallel (explore + LSP concurrent)
+- **Ignoring existing**: ALWAYS read existing first, even with --create-new
+- **Over-documenting**: Not every dir needs AGENTS.md
+- **Redundancy**: Child never repeats parent
 - **Generic content**: Remove anything that applies to ALL projects
-- **Sequential execution**: MUST use parallel agents
-- **Deep nesting**: Rarely need AGENTS.md at depth 4+
-- **Verbose style**: "This directory contains..." → just list it
-- **Ignoring LSP**: If LSP available, USE IT - semantic analysis > text grep
-- **LSP without fallback**: Always have explore agent backup if LSP unavailable
-- **Over-referencing**: Don't trace refs for EVERY symbol - focus on exports only`
+- **Verbose style**: Telegraphic or die`

src/features/builtin-skills/skills.ts

@@ -1,5 +1,19 @@
 import type { BuiltinSkill } from "./types"
 
-export function createBuiltinSkills(): BuiltinSkill[] {
-  return []
+const playwrightSkill: BuiltinSkill = {
+  name: "playwright",
+  description: "Browser automation with Playwright MCP. Use for web scraping, testing, screenshots, and browser interactions.",
+  template: `# Playwright Browser Automation
+
+This skill provides browser automation capabilities via the Playwright MCP server.`,
+  mcpConfig: {
+    playwright: {
+      command: "npx",
+      args: ["@playwright/mcp@latest"],
+    },
+  },
+}
+
+export function createBuiltinSkills(): BuiltinSkill[] {
+  return [playwrightSkill]
 }

src/features/builtin-skills/types.ts

@@ -1,3 +1,5 @@
+import type { SkillMcpConfig } from "../skill-mcp-manager/types"
+
 export interface BuiltinSkill {
   name: string
   description: string
@@ -10,4 +12,5 @@ export interface BuiltinSkill {
   model?: string
   subtask?: boolean
   argumentHint?: string
+  mcpConfig?: SkillMcpConfig
 }

src/features/claude-code-command-loader/loader.ts

@@ -1,24 +1,59 @@
-import { existsSync, readdirSync, readFileSync } from "fs"
+import { existsSync, readdirSync, readFileSync, realpathSync, type Dirent } from "fs"
 import { join, basename } from "path"
 import { parseFrontmatter } from "../../shared/frontmatter"
 import { sanitizeModelField } from "../../shared/model-sanitizer"
 import { isMarkdownFile } from "../../shared/file-utils"
 import { getClaudeConfigDir } from "../../shared"
+import { log } from "../../shared/logger"
 import type { CommandScope, CommandDefinition, CommandFrontmatter, LoadedCommand } from "./types"
 
-function loadCommandsFromDir(commandsDir: string, scope: CommandScope): LoadedCommand[] {
+function loadCommandsFromDir(
+  commandsDir: string,
+  scope: CommandScope,
+  visited: Set<string> = new Set(),
+  prefix: string = ""
+): LoadedCommand[] {
   if (!existsSync(commandsDir)) {
     return []
   }
 
-  const entries = readdirSync(commandsDir, { withFileTypes: true })
+  let realPath: string
+  try {
+    realPath = realpathSync(commandsDir)
+  } catch (error) {
+    log(`Failed to resolve command directory: ${commandsDir}`, error)
+    return []
+  }
+
+  if (visited.has(realPath)) {
+    return []
+  }
+  visited.add(realPath)
+
+  let entries: Dirent[]
+  try {
+    entries = readdirSync(commandsDir, { withFileTypes: true })
+  } catch (error) {
+    log(`Failed to read command directory: ${commandsDir}`, error)
+    return []
+  }
+
   const commands: LoadedCommand[] = []
 
   for (const entry of entries) {
+    if (entry.isDirectory()) {
+      if (entry.name.startsWith(".")) continue
+      const subDirPath = join(commandsDir, entry.name)
+      const subPrefix = prefix ? `${prefix}:${entry.name}` : entry.name
+      commands.push(...loadCommandsFromDir(subDirPath, scope, visited, subPrefix))
+      continue
+    }
+
     if (!isMarkdownFile(entry)) continue
 
     const commandPath = join(commandsDir, entry.name)
-    const commandName = basename(entry.name, ".md")
+    const baseCommandName = basename(entry.name, ".md")
+    const commandName = prefix ? `${prefix}:${baseCommandName}` : baseCommandName
 
     try {
       const content = readFileSync(commandPath, "utf-8")
@@ -43,6 +78,7 @@ $ARGUMENTS
         model: sanitizeModelField(data.model, isOpencodeSource ? "opencode" : "claude-code"),
         subtask: data.subtask,
         argumentHint: data["argument-hint"],
+        handoffs: data.handoffs,
       }
 
       commands.push({
@@ -51,7 +87,8 @@ $ARGUMENTS
         definition,
         scope,
       })
-    } catch {
+    } catch (error) {
+      log(`Failed to parse command: ${commandPath}`, error)
       continue
     }
   }
@@ -62,7 +99,8 @@ $ARGUMENTS
 function commandsToRecord(commands: LoadedCommand[]): Record<string, CommandDefinition> {
   const result: Record<string, CommandDefinition> = {}
   for (const cmd of commands) {
-    result[cmd.name] = cmd.definition
+    const { name: _name, argumentHint: _argumentHint, ...openCodeCompatible } = cmd.definition
+    result[cmd.name] = openCodeCompatible as CommandDefinition
   }
   return result
 }

src/features/claude-code-command-loader/types.ts

@@ -1,5 +1,21 @@
 export type CommandScope = "user" | "project" | "opencode" | "opencode-project"
 
+/**
+ * Handoff definition for command workflows.
+ * Based on speckit's handoff pattern for multi-agent orchestration.
+ * @see https://github.com/github/spec-kit
+ */
+export interface HandoffDefinition {
+  /** Human-readable label for the handoff action */
+  label: string
+  /** Target agent/command identifier (e.g., "speckit.tasks") */
+  agent: string
+  /** Pre-filled prompt text for the handoff */
+  prompt: string
+  /** If true, automatically executes after command completion; if false, shows as suggestion */
+  send?: boolean
+}
+
 export interface CommandDefinition {
   name: string
   description?: string
@@ -8,6 +24,8 @@ export interface CommandDefinition {
   model?: string
   subtask?: boolean
   argumentHint?: string
+  /** Handoff definitions for workflow transitions */
+  handoffs?: HandoffDefinition[]
 }
 
 export interface CommandFrontmatter {
@@ -16,6 +34,8 @@ export interface CommandFrontmatter {
   agent?: string
   model?: string
   subtask?: boolean
+  /** Handoff definitions for workflow transitions */
+  handoffs?: HandoffDefinition[]
 }
 
 export interface LoadedCommand {

src/features/claude-code-mcp-loader/loader.test.ts

@@ -0,0 +1,162 @@
+import { describe, it, expect, beforeEach, afterEach } from "bun:test"
+import { mkdirSync, writeFileSync, rmSync } from "fs"
+import { join } from "path"
+import { tmpdir } from "os"
+
+const TEST_DIR = join(tmpdir(), "mcp-loader-test-" + Date.now())
+
+describe("getSystemMcpServerNames", () => {
+  beforeEach(() => {
+    mkdirSync(TEST_DIR, { recursive: true })
+  })
+
+  afterEach(() => {
+    rmSync(TEST_DIR, { recursive: true, force: true })
+  })
+
+  it("returns empty set when no .mcp.json files exist", async () => {
+    // #given
+    const originalCwd = process.cwd()
+    process.chdir(TEST_DIR)
+
+    try {
+      // #when
+      const { getSystemMcpServerNames } = await import("./loader")
+      const names = getSystemMcpServerNames()
+
+      // #then
+      expect(names).toBeInstanceOf(Set)
+      expect(names.size).toBe(0)
+    } finally {
+      process.chdir(originalCwd)
+    }
+  })
+
+  it("returns server names from project .mcp.json", async () => {
+    // #given
+    const mcpConfig = {
+      mcpServers: {
+        playwright: {
+          command: "npx",
+          args: ["@playwright/mcp@latest"],
+        },
+        sqlite: {
+          command: "uvx",
+          args: ["mcp-server-sqlite"],
+        },
+      },
+    }
+    writeFileSync(join(TEST_DIR, ".mcp.json"), JSON.stringify(mcpConfig))
+
+    const originalCwd = process.cwd()
+    process.chdir(TEST_DIR)
+
+    try {
+      // #when
+      const { getSystemMcpServerNames } = await import("./loader")
+      const names = getSystemMcpServerNames()
+
+      // #then
+      expect(names.has("playwright")).toBe(true)
+      expect(names.has("sqlite")).toBe(true)
+      expect(names.size).toBe(2)
+    } finally {
+      process.chdir(originalCwd)
+    }
+  })
+
+  it("returns server names from .claude/.mcp.json", async () => {
+    // #given
+    mkdirSync(join(TEST_DIR, ".claude"), { recursive: true })
+    const mcpConfig = {
+      mcpServers: {
+        memory: {
+          command: "npx",
+          args: ["-y", "@anthropic-ai/mcp-server-memory"],
+        },
+      },
+    }
+    writeFileSync(join(TEST_DIR, ".claude", ".mcp.json"), JSON.stringify(mcpConfig))
+
+    const originalCwd = process.cwd()
+    process.chdir(TEST_DIR)
+
+    try {
+      // #when
+      const { getSystemMcpServerNames } = await import("./loader")
+      const names = getSystemMcpServerNames()
+
+      // #then
+      expect(names.has("memory")).toBe(true)
+    } finally {
+      process.chdir(originalCwd)
+    }
+  })
+
+  it("excludes disabled MCP servers", async () => {
+    // #given
+    const mcpConfig = {
+      mcpServers: {
+        playwright: {
+          command: "npx",
+          args: ["@playwright/mcp@latest"],
+          disabled: true,
+        },
+        active: {
+          command: "npx",
+          args: ["some-mcp"],
+        },
+      },
+    }
+    writeFileSync(join(TEST_DIR, ".mcp.json"), JSON.stringify(mcpConfig))
+
+    const originalCwd = process.cwd()
+    process.chdir(TEST_DIR)
+
+    try {
+      // #when
+      const { getSystemMcpServerNames } = await import("./loader")
+      const names = getSystemMcpServerNames()
+
+      // #then
+      expect(names.has("playwright")).toBe(false)
+      expect(names.has("active")).toBe(true)
+    } finally {
+      process.chdir(originalCwd)
+    }
+  })
+
+  it("merges server names from multiple .mcp.json files", async () => {
+    // #given
+    mkdirSync(join(TEST_DIR, ".claude"), { recursive: true })
+    
+    const projectMcp = {
+      mcpServers: {
+        playwright: { command: "npx", args: ["@playwright/mcp@latest"] },
+      },
+    }
+    const localMcp = {
+      mcpServers: {
+        memory: { command: "npx", args: ["-y", "@anthropic-ai/mcp-server-memory"] },
+      },
+    }
+    
+    writeFileSync(join(TEST_DIR, ".mcp.json"), JSON.stringify(projectMcp))
+    writeFileSync(join(TEST_DIR, ".claude", ".mcp.json"), JSON.stringify(localMcp))
+
+    const originalCwd = process.cwd()
+    process.chdir(TEST_DIR)
+
+    try {
+      // #when
+      const { getSystemMcpServerNames } = await import("./loader")
+      const names = getSystemMcpServerNames()
+
+      // #then
+      expect(names.has("playwright")).toBe(true)
+      expect(names.has("memory")).toBe(true)
+    } finally {
+      process.chdir(originalCwd)
+    }
+  })
+})

src/features/claude-code-mcp-loader/loader.ts

@@ -1,4 +1,4 @@
-import { existsSync } from "fs"
+import { existsSync, readFileSync } from "fs"
 import { join } from "path"
 import { getClaudeConfigDir } from "../../shared"
 import type {
@@ -42,6 +42,30 @@ async function loadMcpConfigFile(
   }
 }
 
+export function getSystemMcpServerNames(): Set<string> {
+  const names = new Set<string>()
+  const paths = getMcpConfigPaths()
+
+  for (const { path } of paths) {
+    if (!existsSync(path)) continue
+
+    try {
+      const content = readFileSync(path, "utf-8")
+      const config = JSON.parse(content) as ClaudeCodeMcpConfig
+      if (!config?.mcpServers) continue
+
+      for (const [name, serverConfig] of Object.entries(config.mcpServers)) {
+        if (serverConfig.disabled) continue
+        names.add(name)
+      }
+    } catch {
+      continue
+    }
+  }
+
+  return names
+}
+
 export async function loadMcpConfigs(): Promise<McpLoadResult> {
   const servers: McpLoadResult["servers"] = {}
   const loadedServers: LoadedMcpServer[] = []

src/features/claude-code-plugin-loader/loader.ts

@@ -246,7 +246,7 @@ $ARGUMENTS
 
         const formattedDescription = `(plugin: ${plugin.name}) ${data.description || ""}`
 
-        commands[namespacedName] = {
+        const definition = {
           name: namespacedName,
           description: formattedDescription,
           template: wrappedTemplate,
@@ -255,6 +255,8 @@ $ARGUMENTS
           subtask: data.subtask,
           argumentHint: data["argument-hint"],
         }
+        const { name: _name, argumentHint: _argumentHint, ...openCodeCompatible } = definition
+        commands[namespacedName] = openCodeCompatible as CommandDefinition
 
         log(`Loaded plugin command: ${namespacedName}`, { path: commandPath })
       } catch (error) {
@@ -306,12 +308,14 @@ ${body.trim()}
 $ARGUMENTS
 </user-request>`
 
-        skills[namespacedName] = {
+        const definition = {
           name: namespacedName,
           description: formattedDescription,
           template: wrappedTemplate,
           model: sanitizeModelField(data.model),
         }
+        const { name: _name, ...openCodeCompatible } = definition
+        skills[namespacedName] = openCodeCompatible as CommandDefinition
 
         log(`Loaded plugin skill: ${namespacedName}`, { path: resolvedPath })
       } catch (error) {

src/features/opencode-skill-loader/loader.test.ts

@@ -0,0 +1,273 @@
+import { describe, it, expect, beforeEach, afterEach } from "bun:test"
+import { mkdirSync, writeFileSync, rmSync } from "fs"
+import { join } from "path"
+import { tmpdir } from "os"
+
+const TEST_DIR = join(tmpdir(), "skill-loader-test-" + Date.now())
+const SKILLS_DIR = join(TEST_DIR, ".opencode", "skill")
+
+function createTestSkill(name: string, content: string, mcpJson?: object): string {
+  const skillDir = join(SKILLS_DIR, name)
+  mkdirSync(skillDir, { recursive: true })
+  const skillPath = join(skillDir, "SKILL.md")
+  writeFileSync(skillPath, content)
+  if (mcpJson) {
+    writeFileSync(join(skillDir, "mcp.json"), JSON.stringify(mcpJson, null, 2))
+  }
+  return skillDir
+}
+
+describe("skill loader MCP parsing", () => {
+  beforeEach(() => {
+    mkdirSync(TEST_DIR, { recursive: true })
+  })
+
+  afterEach(() => {
+    rmSync(TEST_DIR, { recursive: true, force: true })
+  })
+
+  describe("parseSkillMcpConfig", () => {
+    it("parses skill with nested MCP config", async () => {
+      // #given
+      const skillContent = `---
+name: test-skill
+description: A test skill with MCP
+mcp:
+  sqlite:
+    command: uvx
+    args:
+      - mcp-server-sqlite
+      - --db-path
+      - ./data.db
+  memory:
+    command: npx
+    args: [-y, "@anthropic-ai/mcp-server-memory"]
+---
+This is the skill body.
+`
+      createTestSkill("test-mcp-skill", skillContent)
+
+      // #when
+      const { discoverSkills } = await import("./loader")
+      const originalCwd = process.cwd()
+      process.chdir(TEST_DIR)
+
+      try {
+        const skills = discoverSkills({ includeClaudeCodePaths: false })
+        const skill = skills.find(s => s.name === "test-skill")
+
+        // #then
+        expect(skill).toBeDefined()
+        expect(skill?.mcpConfig).toBeDefined()
+        expect(skill?.mcpConfig?.sqlite).toBeDefined()
+        expect(skill?.mcpConfig?.sqlite?.command).toBe("uvx")
+        expect(skill?.mcpConfig?.sqlite?.args).toEqual([
+          "mcp-server-sqlite",
+          "--db-path",
+          "./data.db"
+        ])
+        expect(skill?.mcpConfig?.memory).toBeDefined()
+        expect(skill?.mcpConfig?.memory?.command).toBe("npx")
+      } finally {
+        process.chdir(originalCwd)
+      }
+    })
+
+    it("returns undefined mcpConfig for skill without MCP", async () => {
+      // #given
+      const skillContent = `---
+name: simple-skill
+description: A simple skill without MCP
+---
+This is a simple skill.
+`
+      createTestSkill("simple-skill", skillContent)
+
+      // #when
+      const { discoverSkills } = await import("./loader")
+      const originalCwd = process.cwd()
+      process.chdir(TEST_DIR)
+
+      try {
+        const skills = discoverSkills({ includeClaudeCodePaths: false })
+        const skill = skills.find(s => s.name === "simple-skill")
+
+        // #then
+        expect(skill).toBeDefined()
+        expect(skill?.mcpConfig).toBeUndefined()
+      } finally {
+        process.chdir(originalCwd)
+      }
+    })
+
+    it("preserves env var placeholders without expansion", async () => {
+      // #given
+      const skillContent = `---
+name: env-skill
+mcp:
+  api-server:
+    command: node
+    args: [server.js]
+    env:
+      API_KEY: "\${API_KEY}"
+      DB_PATH: "\${HOME}/data.db"
+---
+Skill with env vars.
+`
+      createTestSkill("env-skill", skillContent)
+
+      // #when
+      const { discoverSkills } = await import("./loader")
+      const originalCwd = process.cwd()
+      process.chdir(TEST_DIR)
+
+      try {
+        const skills = discoverSkills({ includeClaudeCodePaths: false })
+        const skill = skills.find(s => s.name === "env-skill")
+
+        // #then
+        expect(skill?.mcpConfig?.["api-server"]?.env?.API_KEY).toBe("${API_KEY}")
+        expect(skill?.mcpConfig?.["api-server"]?.env?.DB_PATH).toBe("${HOME}/data.db")
+      } finally {
+        process.chdir(originalCwd)
+      }
+    })
+
+    it("handles malformed YAML gracefully", async () => {
+      // #given - malformed YAML causes entire frontmatter to fail parsing
+      const skillContent = `---
+name: bad-yaml
+mcp: [this is not valid yaml for mcp
+---
+Skill body.
+`
+      createTestSkill("bad-yaml-skill", skillContent)
+
+      // #when
+      const { discoverSkills } = await import("./loader")
+      const originalCwd = process.cwd()
+      process.chdir(TEST_DIR)
+
+      try {
+        const skills = discoverSkills({ includeClaudeCodePaths: false })
+        // #then - when YAML fails, skill uses directory name as fallback
+        const skill = skills.find(s => s.name === "bad-yaml-skill")
+
+        expect(skill).toBeDefined()
+        expect(skill?.mcpConfig).toBeUndefined()
+      } finally {
+        process.chdir(originalCwd)
+      }
+    })
+  })
+
+  describe("mcp.json file loading (AmpCode compat)", () => {
+    it("loads MCP config from mcp.json with mcpServers format", async () => {
+      // #given
+      const skillContent = `---
+name: ampcode-skill
+description: Skill with mcp.json
+---
+Skill body.
+`
+      const mcpJson = {
+        mcpServers: {
+          playwright: {
+            command: "npx",
+            args: ["@playwright/mcp@latest"]
+          }
+        }
+      }
+      createTestSkill("ampcode-skill", skillContent, mcpJson)
+
+      // #when
+      const { discoverSkills } = await import("./loader")
+      const originalCwd = process.cwd()
+      process.chdir(TEST_DIR)
+
+      try {
+        const skills = discoverSkills({ includeClaudeCodePaths: false })
+        const skill = skills.find(s => s.name === "ampcode-skill")
+
+        // #then
+        expect(skill).toBeDefined()
+        expect(skill?.mcpConfig).toBeDefined()
+        expect(skill?.mcpConfig?.playwright).toBeDefined()
+        expect(skill?.mcpConfig?.playwright?.command).toBe("npx")
+        expect(skill?.mcpConfig?.playwright?.args).toEqual(["@playwright/mcp@latest"])
+      } finally {
+        process.chdir(originalCwd)
+      }
+    })
+
+    it("mcp.json takes priority over YAML frontmatter", async () => {
+      // #given
+      const skillContent = `---
+name: priority-skill
+mcp:
+  from-yaml:
+    command: yaml-cmd
+    args: [yaml-arg]
+---
+Skill body.
+`
+      const mcpJson = {
+        mcpServers: {
+          "from-json": {
+            command: "json-cmd",
+            args: ["json-arg"]
+          }
+        }
+      }
+      createTestSkill("priority-skill", skillContent, mcpJson)
+
+      // #when
+      const { discoverSkills } = await import("./loader")
+      const originalCwd = process.cwd()
+      process.chdir(TEST_DIR)
+
+      try {
+        const skills = discoverSkills({ includeClaudeCodePaths: false })
+        const skill = skills.find(s => s.name === "priority-skill")
+
+        // #then - mcp.json should take priority
+        expect(skill?.mcpConfig?.["from-json"]).toBeDefined()
+        expect(skill?.mcpConfig?.["from-yaml"]).toBeUndefined()
+      } finally {
+        process.chdir(originalCwd)
+      }
+    })
+
+    it("supports direct format without mcpServers wrapper", async () => {
+      // #given
+      const skillContent = `---
+name: direct-format
+---
+Skill body.
+`
+      const mcpJson = {
+        sqlite: {
+          command: "uvx",
+          args: ["mcp-server-sqlite"]
+        }
+      }
+      createTestSkill("direct-format", skillContent, mcpJson)
+
+      // #when
+      const { discoverSkills } = await import("./loader")
+      const originalCwd = process.cwd()
+      process.chdir(TEST_DIR)
+
+      try {
+        const skills = discoverSkills({ includeClaudeCodePaths: false })
+        const skill = skills.find(s => s.name === "direct-format")
+
+        // #then
+        expect(skill?.mcpConfig?.sqlite).toBeDefined()
+        expect(skill?.mcpConfig?.sqlite?.command).toBe("uvx")
+      } finally {
+        process.chdir(originalCwd)
+      }
+    })
+  })
+})

src/features/opencode-skill-loader/loader.ts

@@ -1,21 +1,58 @@
 import { existsSync, readdirSync, readFileSync } from "fs"
-import { join, basename, dirname } from "path"
+import { join, basename } from "path"
 import { homedir } from "os"
+import yaml from "js-yaml"
 import { parseFrontmatter } from "../../shared/frontmatter"
 import { sanitizeModelField } from "../../shared/model-sanitizer"
 import { resolveSymlink, isMarkdownFile } from "../../shared/file-utils"
 import { getClaudeConfigDir } from "../../shared"
 import type { CommandDefinition } from "../claude-code-command-loader/types"
 import type { SkillScope, SkillMetadata, LoadedSkill } from "./types"
+import type { SkillMcpConfig } from "../skill-mcp-manager/types"
+
+function parseSkillMcpConfigFromFrontmatter(content: string): SkillMcpConfig | undefined {
+  const frontmatterMatch = content.match(/^---\r?\n([\s\S]*?)\r?\n---/)
+  if (!frontmatterMatch) return undefined
+
+  try {
+    const parsed = yaml.load(frontmatterMatch[1]) as Record<string, unknown>
+    if (parsed && typeof parsed === "object" && "mcp" in parsed && parsed.mcp) {
+      return parsed.mcp as SkillMcpConfig
+    }
+  } catch {
+    return undefined
+  }
+  return undefined
+}
+
+function loadMcpJsonFromDir(skillDir: string): SkillMcpConfig | undefined {
+  const mcpJsonPath = join(skillDir, "mcp.json")
+  if (!existsSync(mcpJsonPath)) return undefined
+
+  try {
+    const content = readFileSync(mcpJsonPath, "utf-8")
+    const parsed = JSON.parse(content) as Record<string, unknown>
+    
+    // AmpCode format: { "mcpServers": { "name": { ... } } }
+    if (parsed && typeof parsed === "object" && "mcpServers" in parsed && parsed.mcpServers) {
+      return parsed.mcpServers as SkillMcpConfig
+    }
+    
+    // Also support direct format: { "name": { command: ..., args: ... } }
+    if (parsed && typeof parsed === "object" && !("mcpServers" in parsed)) {
+      const hasCommandField = Object.values(parsed).some(
+        (v) => v && typeof v === "object" && "command" in (v as Record<string, unknown>)
+      )
+      if (hasCommandField) {
+        return parsed as SkillMcpConfig
+      }
+    }
+  } catch {
+    return undefined
+  }
+  return undefined
+}
 
-/**
- * Load a skill from a markdown file path.
- * 
- * @param skillPath - Path to the skill file (SKILL.md or {name}.md)
- * @param resolvedPath - Directory for file reference resolution (@path references)
- * @param defaultName - Fallback name if not specified in frontmatter
- * @param scope - Source scope for priority ordering
- */
 function parseAllowedTools(allowedTools: string | undefined): string[] | undefined {
   if (!allowedTools) return undefined
   return allowedTools.split(/\s+/).filter(Boolean)
@@ -30,6 +67,9 @@ function loadSkillFromPath(
   try {
     const content = readFileSync(skillPath, "utf-8")
     const { data, body } = parseFrontmatter<SkillMetadata>(content)
+    const frontmatterMcp = parseSkillMcpConfigFromFrontmatter(content)
+    const mcpJsonMcp = loadMcpJsonFromDir(resolvedPath)
+    const mcpConfig = mcpJsonMcp || frontmatterMcp
 
     const skillName = data.name || defaultName
     const originalDescription = data.description || ""
@@ -67,6 +107,7 @@ $ARGUMENTS
       compatibility: data.compatibility,
       metadata: data.metadata,
       allowedTools: parseAllowedTools(data["allowed-tools"]),
+      mcpConfig,
     }
   } catch {
     return null
@@ -126,7 +167,8 @@ function loadSkillsFromDir(skillsDir: string, scope: SkillScope): LoadedSkill[]
 function skillsToRecord(skills: LoadedSkill[]): Record<string, CommandDefinition> {
   const result: Record<string, CommandDefinition> = {}
   for (const skill of skills) {
-    result[skill.name] = skill.definition
+    const { name: _name, argumentHint: _argumentHint, ...openCodeCompatible } = skill.definition
+    result[skill.name] = openCodeCompatible as CommandDefinition
   }
   return result
 }

src/features/opencode-skill-loader/merger.ts

@@ -21,7 +21,7 @@ const SCOPE_PRIORITY: Record<SkillScope, number> = {
 function builtinToLoaded(builtin: BuiltinSkill): LoadedSkill {
   const definition: CommandDefinition = {
     name: builtin.name,
-    description: `(builtin - Skill) ${builtin.description}`,
+    description: `(opencode - Skill) ${builtin.description}`,
     template: builtin.template,
     model: builtin.model,
     agent: builtin.agent,
@@ -37,6 +37,7 @@ function builtinToLoaded(builtin: BuiltinSkill): LoadedSkill {
     compatibility: builtin.compatibility,
     metadata: builtin.metadata as Record<string, string> | undefined,
     allowedTools: builtin.allowedTools,
+    mcpConfig: builtin.mcpConfig,
   }
 }
 

src/features/opencode-skill-loader/types.ts

@@ -1,4 +1,5 @@
 import type { CommandDefinition } from "../claude-code-command-loader/types"
+import type { SkillMcpConfig } from "../skill-mcp-manager/types"
 
 export type SkillScope = "builtin" | "config" | "user" | "project" | "opencode" | "opencode-project"
 
@@ -13,6 +14,7 @@ export interface SkillMetadata {
   compatibility?: string
   metadata?: Record<string, string>
   "allowed-tools"?: string
+  mcp?: SkillMcpConfig
 }
 
 export interface LoadedSkill {
@@ -25,4 +27,5 @@ export interface LoadedSkill {
   compatibility?: string
   metadata?: Record<string, string>
   allowedTools?: string[]
+  mcpConfig?: SkillMcpConfig
 }

src/features/skill-mcp-manager/index.ts

@@ -0,0 +1,2 @@
+export * from "./types"
+export { SkillMcpManager } from "./manager"

src/features/skill-mcp-manager/manager.test.ts

@@ -0,0 +1,159 @@
+import { describe, it, expect, beforeEach, afterEach, mock, spyOn } from "bun:test"
+import { SkillMcpManager } from "./manager"
+import type { SkillMcpClientInfo, SkillMcpServerContext } from "./types"
+import type { ClaudeCodeMcpServer } from "../claude-code-mcp-loader/types"
+
+describe("SkillMcpManager", () => {
+  let manager: SkillMcpManager
+
+  beforeEach(() => {
+    manager = new SkillMcpManager()
+  })
+
+  afterEach(async () => {
+    await manager.disconnectAll()
+  })
+
+  describe("getOrCreateClient", () => {
+    it("throws error when command is missing", async () => {
+      // #given
+      const info: SkillMcpClientInfo = {
+        serverName: "test-server",
+        skillName: "test-skill",
+        sessionID: "session-1",
+      }
+      const config: ClaudeCodeMcpServer = {}
+
+      // #when / #then
+      await expect(manager.getOrCreateClient(info, config)).rejects.toThrow(
+        /missing required 'command' field/
+      )
+    })
+
+    it("includes helpful error message with example when command is missing", async () => {
+      // #given
+      const info: SkillMcpClientInfo = {
+        serverName: "my-mcp",
+        skillName: "data-skill",
+        sessionID: "session-1",
+      }
+      const config: ClaudeCodeMcpServer = {}
+
+      // #when / #then
+      await expect(manager.getOrCreateClient(info, config)).rejects.toThrow(
+        /my-mcp[\s\S]*data-skill[\s\S]*Example/
+      )
+    })
+  })
+
+  describe("disconnectSession", () => {
+    it("removes all clients for a specific session", async () => {
+      // #given
+      const session1Info: SkillMcpClientInfo = {
+        serverName: "server1",
+        skillName: "skill1",
+        sessionID: "session-1",
+      }
+      const session2Info: SkillMcpClientInfo = {
+        serverName: "server1",
+        skillName: "skill1",
+        sessionID: "session-2",
+      }
+
+      // #when
+      await manager.disconnectSession("session-1")
+
+      // #then
+      expect(manager.isConnected(session1Info)).toBe(false)
+      expect(manager.isConnected(session2Info)).toBe(false)
+    })
+
+    it("does not throw when session has no clients", async () => {
+      // #given / #when / #then
+      await expect(manager.disconnectSession("nonexistent")).resolves.toBeUndefined()
+    })
+  })
+
+  describe("disconnectAll", () => {
+    it("clears all clients", async () => {
+      // #given - no actual clients connected (would require real MCP server)
+
+      // #when
+      await manager.disconnectAll()
+
+      // #then
+      expect(manager.getConnectedServers()).toEqual([])
+    })
+  })
+
+  describe("isConnected", () => {
+    it("returns false for unconnected server", () => {
+      // #given
+      const info: SkillMcpClientInfo = {
+        serverName: "unknown",
+        skillName: "test",
+        sessionID: "session-1",
+      }
+
+      // #when / #then
+      expect(manager.isConnected(info)).toBe(false)
+    })
+  })
+
+  describe("getConnectedServers", () => {
+    it("returns empty array when no servers connected", () => {
+      // #given / #when / #then
+      expect(manager.getConnectedServers()).toEqual([])
+    })
+  })
+
+  describe("environment variable handling", () => {
+    it("always inherits process.env even when config.env is undefined", async () => {
+      // #given
+      const info: SkillMcpClientInfo = {
+        serverName: "test-server",
+        skillName: "test-skill",
+        sessionID: "session-1",
+      }
+      const configWithoutEnv: ClaudeCodeMcpServer = {
+        command: "node",
+        args: ["-e", "process.exit(0)"],
+      }
+
+      // #when - attempt connection (will fail but exercises env merging code path)
+      // #then - should not throw "undefined" related errors for env
+      try {
+        await manager.getOrCreateClient(info, configWithoutEnv)
+      } catch (error) {
+        const message = error instanceof Error ? error.message : String(error)
+        expect(message).not.toContain("env")
+        expect(message).not.toContain("undefined")
+      }
+    })
+
+    it("overlays config.env on top of inherited process.env", async () => {
+      // #given
+      const info: SkillMcpClientInfo = {
+        serverName: "test-server",
+        skillName: "test-skill",
+        sessionID: "session-2",
+      }
+      const configWithEnv: ClaudeCodeMcpServer = {
+        command: "node",
+        args: ["-e", "process.exit(0)"],
+        env: {
+          CUSTOM_VAR: "custom_value",
+        },
+      }
+
+      // #when - attempt connection
+      // #then - should not throw, env merging should work
+      try {
+        await manager.getOrCreateClient(info, configWithEnv)
+      } catch (error) {
+        const message = error instanceof Error ? error.message : String(error)
+        expect(message).toContain("Failed to connect")
+      }
+    })
+  })
+})

src/features/skill-mcp-manager/manager.ts

@@ -0,0 +1,213 @@
+import { Client } from "@modelcontextprotocol/sdk/client/index.js"
+import { StdioClientTransport } from "@modelcontextprotocol/sdk/client/stdio.js"
+import type { Tool, Resource, Prompt } from "@modelcontextprotocol/sdk/types.js"
+import type { ClaudeCodeMcpServer } from "../claude-code-mcp-loader/types"
+import { expandEnvVarsInObject } from "../claude-code-mcp-loader/env-expander"
+import type { SkillMcpClientInfo, SkillMcpServerContext } from "./types"
+
+interface ManagedClient {
+  client: Client
+  transport: StdioClientTransport
+  skillName: string
+}
+
+export class SkillMcpManager {
+  private clients: Map<string, ManagedClient> = new Map()
+
+  private getClientKey(info: SkillMcpClientInfo): string {
+    return `${info.sessionID}:${info.skillName}:${info.serverName}`
+  }
+
+  async getOrCreateClient(
+    info: SkillMcpClientInfo,
+    config: ClaudeCodeMcpServer
+  ): Promise<Client> {
+    const key = this.getClientKey(info)
+    const existing = this.clients.get(key)
+
+    if (existing) {
+      return existing.client
+    }
+
+    const expandedConfig = expandEnvVarsInObject(config)
+    const client = await this.createClient(info, expandedConfig)
+    return client
+  }
+
+  private async createClient(
+    info: SkillMcpClientInfo,
+    config: ClaudeCodeMcpServer
+  ): Promise<Client> {
+    const key = this.getClientKey(info)
+
+    if (!config.command) {
+      throw new Error(
+        `MCP server "${info.serverName}" is missing required 'command' field.\n\n` +
+        `The MCP configuration in skill "${info.skillName}" must specify a command to execute.\n\n` +
+        `Example:\n` +
+        `  mcp:\n` +
+        `    ${info.serverName}:\n` +
+        `      command: npx\n` +
+        `      args: [-y, @some/mcp-server]`
+      )
+    }
+
+    const command = config.command
+    const args = config.args || []
+
+    // Always inherit parent process environment
+    const mergedEnv: Record<string, string> = {}
+    for (const [key, value] of Object.entries(process.env)) {
+      if (value !== undefined) mergedEnv[key] = value
+    }
+    // Overlay with skill-specific env vars if present
+    if (config.env) {
+      Object.assign(mergedEnv, config.env)
+    }
+
+    const transport = new StdioClientTransport({
+      command,
+      args,
+      env: mergedEnv,
+      stderr: "ignore",
+    })
+
+    const client = new Client(
+      { name: `skill-mcp-${info.skillName}-${info.serverName}`, version: "1.0.0" },
+      { capabilities: {} }
+    )
+
+    try {
+      await client.connect(transport)
+    } catch (error) {
+      const errorMessage = error instanceof Error ? error.message : String(error)
+      throw new Error(
+        `Failed to connect to MCP server "${info.serverName}".\n\n` +
+        `Command: ${command} ${args.join(" ")}\n` +
+        `Reason: ${errorMessage}\n\n` +
+        `Hints:\n` +
+        `  - Ensure the command is installed and available in PATH\n` +
+        `  - Check if the MCP server package exists\n` +
+        `  - Verify the args are correct for this server`
+      )
+    }
+
+    this.clients.set(key, { client, transport, skillName: info.skillName })
+    return client
+  }
+
+  async disconnectSession(sessionID: string): Promise<void> {
+    const keysToRemove: string[] = []
+
+    for (const [key, managed] of this.clients.entries()) {
+      if (key.startsWith(`${sessionID}:`)) {
+        keysToRemove.push(key)
+        try {
+          await managed.client.close()
+        } catch {
+          // Ignore close errors - process may already be terminated
+        }
+      }
+    }
+
+    for (const key of keysToRemove) {
+      this.clients.delete(key)
+    }
+  }
+
+  async disconnectAll(): Promise<void> {
+    for (const [, managed] of this.clients.entries()) {
+      try {
+        await managed.client.close()
+      } catch { /* process may already be terminated */ }
+    }
+    this.clients.clear()
+  }
+
+  async listTools(
+    info: SkillMcpClientInfo,
+    context: SkillMcpServerContext
+  ): Promise<Tool[]> {
+    const client = await this.getOrCreateClientWithRetry(info, context.config)
+    const result = await client.listTools()
+    return result.tools
+  }
+
+  async listResources(
+    info: SkillMcpClientInfo,
+    context: SkillMcpServerContext
+  ): Promise<Resource[]> {
+    const client = await this.getOrCreateClientWithRetry(info, context.config)
+    const result = await client.listResources()
+    return result.resources
+  }
+
+  async listPrompts(
+    info: SkillMcpClientInfo,
+    context: SkillMcpServerContext
+  ): Promise<Prompt[]> {
+    const client = await this.getOrCreateClientWithRetry(info, context.config)
+    const result = await client.listPrompts()
+    return result.prompts
+  }
+
+  async callTool(
+    info: SkillMcpClientInfo,
+    context: SkillMcpServerContext,
+    name: string,
+    args: Record<string, unknown>
+  ): Promise<unknown> {
+    const client = await this.getOrCreateClientWithRetry(info, context.config)
+    const result = await client.callTool({ name, arguments: args })
+    return result.content
+  }
+
+  async readResource(
+    info: SkillMcpClientInfo,
+    context: SkillMcpServerContext,
+    uri: string
+  ): Promise<unknown> {
+    const client = await this.getOrCreateClientWithRetry(info, context.config)
+    const result = await client.readResource({ uri })
+    return result.contents
+  }
+
+  async getPrompt(
+    info: SkillMcpClientInfo,
+    context: SkillMcpServerContext,
+    name: string,
+    args: Record<string, string>
+  ): Promise<unknown> {
+    const client = await this.getOrCreateClientWithRetry(info, context.config)
+    const result = await client.getPrompt({ name, arguments: args })
+    return result.messages
+  }
+
+  private async getOrCreateClientWithRetry(
+    info: SkillMcpClientInfo,
+    config: ClaudeCodeMcpServer
+  ): Promise<Client> {
+    try {
+      return await this.getOrCreateClient(info, config)
+    } catch (error) {
+      const key = this.getClientKey(info)
+      const existing = this.clients.get(key)
+      if (existing) {
+        try {
+          await existing.client.close()
+        } catch { /* process may already be terminated */ }
+        this.clients.delete(key)
+        return await this.getOrCreateClient(info, config)
+      }
+      throw error
+    }
+  }
+
+  getConnectedServers(): string[] {
+    return Array.from(this.clients.keys())
+  }
+
+  isConnected(info: SkillMcpClientInfo): boolean {
+    return this.clients.has(this.getClientKey(info))
+  }
+}

src/features/skill-mcp-manager/types.ts

@@ -0,0 +1,14 @@
+import type { ClaudeCodeMcpServer } from "../claude-code-mcp-loader/types"
+
+export type SkillMcpConfig = Record<string, ClaudeCodeMcpServer>
+
+export interface SkillMcpClientInfo {
+  serverName: string
+  skillName: string
+  sessionID: string
+}
+
+export interface SkillMcpServerContext {
+  config: ClaudeCodeMcpServer
+  skillName: string
+}

src/hooks/AGENTS.md

@@ -2,83 +2,65 @@
 
 ## OVERVIEW
 
-Lifecycle hooks that intercept/modify agent behavior. Inject context, enforce rules, recover from errors, notify on events.
+22 lifecycle hooks intercepting/modifying agent behavior. Context injection, error recovery, output control, notifications.
 
 ## STRUCTURE
 
 ```
 hooks/
-├── agent-usage-reminder/       # Remind to use specialized agents
-├── anthropic-context-window-limit-recovery/     # Auto-compact Claude at token limit
-├── auto-update-checker/        # Version update notifications
-├── background-notification/    # OS notify on background task complete
-├── claude-code-hooks/          # Claude Code settings.json integration
+├── anthropic-context-window-limit-recovery/  # Auto-compact at token limit (554 lines)
+├── auto-slash-command/         # Detect and execute /command patterns
+├── auto-update-checker/        # Version notifications, startup toast
+├── background-notification/    # OS notify on task complete
+├── claude-code-hooks/          # settings.json PreToolUse/PostToolUse/etc
 ├── comment-checker/            # Prevent excessive AI comments
-│   ├── filters/                # Filtering rules (docstring, directive, bdd, etc.)
-│   └── output/                 # Output formatting
-├── compaction-context-injector/ # Inject context during compaction
-├── directory-agents-injector/  # Auto-inject AGENTS.md files
-├── directory-readme-injector/  # Auto-inject README.md files
+│   └── filters/                # docstring, directive, bdd, etc
+├── compaction-context-injector/ # Preserve context during compaction
+├── directory-agents-injector/  # Auto-inject AGENTS.md
+├── directory-readme-injector/  # Auto-inject README.md
 ├── empty-message-sanitizer/    # Sanitize empty messages
 ├── interactive-bash-session/   # Tmux session management
-├── keyword-detector/           # Detect ultrawork/search keywords
-├── non-interactive-env/        # CI/headless environment handling
-├── preemptive-compaction/      # Pre-emptive session compaction
+├── keyword-detector/           # ultrawork/search keyword activation
+├── non-interactive-env/        # CI/headless handling
+├── preemptive-compaction/      # Pre-emptive at 85% usage
+├── ralph-loop/                 # Self-referential dev loop
 ├── rules-injector/             # Conditional rules from .claude/rules/
-├── session-recovery/           # Recover from session errors
+├── session-recovery/           # Recover from errors (430 lines)
 ├── think-mode/                 # Auto-detect thinking triggers
-├── thinking-block-validator/   # Validate thinking blocks in messages
-├── context-window-monitor.ts   # Monitor context usage (standalone)
-├── empty-task-response-detector.ts
-├── session-notification.ts     # OS notify on idle (standalone)
-├── todo-continuation-enforcer.ts # Force TODO completion (standalone)
-└── tool-output-truncator.ts    # Truncate verbose outputs (standalone)
+├── agent-usage-reminder/       # Remind to use specialists
+├── context-window-monitor.ts   # Monitor usage (standalone)
+├── session-notification.ts     # OS notify on idle
+├── todo-continuation-enforcer.ts # Force TODO completion
+└── tool-output-truncator.ts    # Truncate verbose outputs
 ```
 
-## HOOK CATEGORIES
-
-| Category | Hooks | Purpose |
-|----------|-------|---------|
-| Context Injection | directory-agents-injector, directory-readme-injector, rules-injector, compaction-context-injector | Auto-inject relevant context |
-| Session Management | session-recovery, anthropic-context-window-limit-recovery, preemptive-compaction, empty-message-sanitizer | Handle session lifecycle |
-| Output Control | comment-checker, tool-output-truncator | Control agent output quality |
-| Notifications | session-notification, background-notification, auto-update-checker | OS/user notifications |
-| Behavior Enforcement | todo-continuation-enforcer, keyword-detector, think-mode, agent-usage-reminder | Enforce agent behavior |
-| Environment | non-interactive-env, interactive-bash-session, context-window-monitor | Adapt to runtime environment |
-| Compatibility | claude-code-hooks | Claude Code settings.json support |
-
-## HOW TO ADD A HOOK
-
-1. Create directory: `src/hooks/my-hook/`
-2. Create files:
-   - `index.ts`: Export `createMyHook(input: PluginInput)`
-   - `constants.ts`: Hook name constant
-   - `types.ts`: TypeScript interfaces (optional)
-   - `storage.ts`: Persistent state (optional)
-3. Return event handlers: `{ PreToolUse?, PostToolUse?, UserPromptSubmit?, Stop?, onSummarize? }`
-4. Export from `src/hooks/index.ts`
-5. Register in main plugin
-
 ## HOOK EVENTS
 
 | Event | Timing | Can Block | Use Case |
 |-------|--------|-----------|----------|
-| PreToolUse | Before tool exec | Yes | Validate, modify input |
-| PostToolUse | After tool exec | No | Add context, warnings |
-| UserPromptSubmit | On user prompt | Yes | Inject messages, block |
+| PreToolUse | Before tool | Yes | Validate, modify input |
+| PostToolUse | After tool | No | Add context, warnings |
+| UserPromptSubmit | On prompt | Yes | Inject messages, block |
 | Stop | Session idle | No | Inject follow-ups |
-| onSummarize | During compaction | No | Preserve critical context |
+| onSummarize | Compaction | No | Preserve context |
 
-## COMMON PATTERNS
+## HOW TO ADD
 
-- **Storage**: Use `storage.ts` with JSON file for persistent state across sessions
-- **Once-per-session**: Track injected paths in Set to avoid duplicate injection
-- **Message injection**: Return `{ messages: [...] }` from event handlers
-- **Blocking**: Return `{ blocked: true, message: "reason" }` from PreToolUse
+1. Create `src/hooks/my-hook/`
+2. Files: `index.ts` (createMyHook), `constants.ts`, `types.ts` (optional)
+3. Return: `{ PreToolUse?, PostToolUse?, UserPromptSubmit?, Stop?, onSummarize? }`
+4. Export from `src/hooks/index.ts`
 
-## ANTI-PATTERNS (HOOKS)
+## PATTERNS
 
-- **Heavy computation** in PreToolUse: Slows every tool call
-- **Blocking without clear reason**: Always provide actionable message
-- **Duplicate injection**: Track what's already injected per session
-- **Ignoring errors**: Always try/catch, log failures, don't crash session
+- **Storage**: JSON file for persistent state across sessions
+- **Once-per-session**: Track injected paths in Set
+- **Message injection**: Return `{ messages: [...] }`
+- **Blocking**: Return `{ blocked: true, message: "..." }` from PreToolUse
+
+## ANTI-PATTERNS
+
+- Heavy computation in PreToolUse (slows every tool call)
+- Blocking without actionable message
+- Duplicate injection (track what's injected)
+- Missing try/catch (don't crash session)

src/hooks/anthropic-context-window-limit-recovery/executor.test.ts

@@ -1,6 +1,7 @@
-import { describe, test, expect, mock, beforeEach } from "bun:test"
+import { describe, test, expect, mock, beforeEach, spyOn } from "bun:test"
 import { executeCompact } from "./executor"
 import type { AutoCompactState } from "./types"
+import * as storage from "./storage"
 
 describe("executeCompact lock management", () => {
   let autoCompactState: AutoCompactState
@@ -15,7 +16,6 @@ describe("executeCompact lock management", () => {
       pendingCompact: new Set<string>(),
       errorDataBySession: new Map(),
       retryStateBySession: new Map(),
-      fallbackStateBySession: new Map(),
       truncateStateBySession: new Map(),
       dcpStateBySession: new Map(),
       emptyContentAttemptBySession: new Map(),
@@ -68,38 +68,6 @@ describe("executeCompact lock management", () => {
     expect(autoCompactState.compactionInProgress.has(sessionID)).toBe(false)
   })
 
-  test("clears lock when revert throws exception", async () => {
-    // #given: Force revert path by exhausting retry attempts and making revert fail
-    mockClient.session.revert = mock(() =>
-      Promise.reject(new Error("Revert failed")),
-    )
-    mockClient.session.messages = mock(() =>
-      Promise.resolve({
-        data: [
-          { info: { id: "msg1", role: "user" } },
-          { info: { id: "msg2", role: "assistant" } },
-        ],
-      }),
-    )
-
-    // Exhaust retry attempts
-    autoCompactState.retryStateBySession.set(sessionID, {
-      attempt: 5,
-      lastAttemptTime: Date.now(),
-    })
-    autoCompactState.errorDataBySession.set(sessionID, {
-      errorType: "token_limit",
-      currentTokens: 100000,
-      maxTokens: 200000,
-    })
-
-    // #when: Execute compaction
-    await executeCompact(sessionID, msg, autoCompactState, mockClient, directory)
-
-    // #then: Lock cleared even though revert failed
-    expect(autoCompactState.compactionInProgress.has(sessionID)).toBe(false)
-  })
-
   test("shows toast when lock already held", async () => {
     // #given: Lock already held
     autoCompactState.compactionInProgress.add(sessionID)
@@ -195,9 +163,6 @@ describe("executeCompact lock management", () => {
       attempt: 5,
       lastAttemptTime: Date.now(),
     })
-    autoCompactState.fallbackStateBySession.set(sessionID, {
-      revertAttempt: 5,
-    })
     autoCompactState.truncateStateBySession.set(sessionID, {
       truncateAttempt: 5,
     })
@@ -260,4 +225,86 @@ describe("executeCompact lock management", () => {
     // The continuation happens in setTimeout, but lock is cleared in finally before that
     expect(autoCompactState.compactionInProgress.has(sessionID)).toBe(false)
   })
+
+  test("falls through to summarize when truncation is insufficient", async () => {
+    // #given: Over token limit with truncation returning insufficient
+    autoCompactState.errorDataBySession.set(sessionID, {
+      errorType: "token_limit",
+      currentTokens: 250000,
+      maxTokens: 200000,
+    })
+
+    const truncateSpy = spyOn(storage, "truncateUntilTargetTokens").mockReturnValue({
+      success: true,
+      sufficient: false,
+      truncatedCount: 3,
+      totalBytesRemoved: 10000,
+      targetBytesToRemove: 50000,
+      truncatedTools: [
+        { toolName: "Grep", originalSize: 5000 },
+        { toolName: "Read", originalSize: 3000 },
+        { toolName: "Bash", originalSize: 2000 },
+      ],
+    })
+
+    // #when: Execute compaction
+    await executeCompact(sessionID, msg, autoCompactState, mockClient, directory)
+
+    // #then: Truncation was attempted
+    expect(truncateSpy).toHaveBeenCalled()
+
+    // #then: Summarize should be called (fall through from insufficient truncation)
+    expect(mockClient.session.summarize).toHaveBeenCalledWith(
+      expect.objectContaining({
+        path: { id: sessionID },
+        body: { providerID: "anthropic", modelID: "claude-opus-4-5" },
+      }),
+    )
+
+    // #then: Lock should be cleared
+    expect(autoCompactState.compactionInProgress.has(sessionID)).toBe(false)
+
+    truncateSpy.mockRestore()
+  })
+
+  test("does NOT call summarize when truncation is sufficient", async () => {
+    // #given: Over token limit with truncation returning sufficient
+    autoCompactState.errorDataBySession.set(sessionID, {
+      errorType: "token_limit",
+      currentTokens: 250000,
+      maxTokens: 200000,
+    })
+
+    const truncateSpy = spyOn(storage, "truncateUntilTargetTokens").mockReturnValue({
+      success: true,
+      sufficient: true,
+      truncatedCount: 5,
+      totalBytesRemoved: 60000,
+      targetBytesToRemove: 50000,
+      truncatedTools: [
+        { toolName: "Grep", originalSize: 30000 },
+        { toolName: "Read", originalSize: 30000 },
+      ],
+    })
+
+    // #when: Execute compaction
+    await executeCompact(sessionID, msg, autoCompactState, mockClient, directory)
+
+    // Wait for setTimeout callback
+    await new Promise((resolve) => setTimeout(resolve, 600))
+
+    // #then: Truncation was attempted
+    expect(truncateSpy).toHaveBeenCalled()
+
+    // #then: Summarize should NOT be called (early return from sufficient truncation)
+    expect(mockClient.session.summarize).not.toHaveBeenCalled()
+
+    // #then: prompt_async should be called (Continue after successful truncation)
+    expect(mockClient.session.prompt_async).toHaveBeenCalled()
+
+    // #then: Lock should be cleared
+    expect(autoCompactState.compactionInProgress.has(sessionID)).toBe(false)
+
+    truncateSpy.mockRestore()
+  })
 })

src/hooks/anthropic-context-window-limit-recovery/executor.ts

@@ -1,12 +1,11 @@
 import type {
   AutoCompactState,
   DcpState,
-  FallbackState,
   RetryState,
   TruncateState,
 } from "./types";
 import type { ExperimentalConfig } from "../../config";
-import { FALLBACK_CONFIG, RETRY_CONFIG, TRUNCATE_CONFIG } from "./types";
+import { RETRY_CONFIG, TRUNCATE_CONFIG } from "./types";
 import { executeDynamicContextPruning } from "./pruning-executor";
 import {
   findLargestToolResult,
@@ -40,7 +39,7 @@ type Client = {
       query: { directory: string };
     }) => Promise<unknown>;
     prompt_async: (opts: {
-      path: { sessionID: string };
+      path: { id: string };
       body: { parts: Array<{ type: string; text: string }> };
       query: { directory: string };
     }) => Promise<unknown>;
@@ -69,17 +68,7 @@ function getOrCreateRetryState(
   return state;
 }
 
-function getOrCreateFallbackState(
-  autoCompactState: AutoCompactState,
-  sessionID: string,
-): FallbackState {
-  let state = autoCompactState.fallbackStateBySession.get(sessionID);
-  if (!state) {
-    state = { revertAttempt: 0 };
-    autoCompactState.fallbackStateBySession.set(sessionID, state);
-  }
-  return state;
-}
+
 
 function getOrCreateTruncateState(
   autoCompactState: AutoCompactState,
@@ -135,58 +124,6 @@ function sanitizeEmptyMessagesBeforeSummarize(sessionID: string): number {
   return fixedCount;
 }
 
-async function getLastMessagePair(
-  sessionID: string,
-  client: Client,
-  directory: string,
-): Promise<{ userMessageID: string; assistantMessageID?: string } | null> {
-  try {
-    const resp = await client.session.messages({
-      path: { id: sessionID },
-      query: { directory },
-    });
-
-    const data = (resp as { data?: unknown[] }).data;
-    if (
-      !Array.isArray(data) ||
-      data.length < FALLBACK_CONFIG.minMessagesRequired
-    ) {
-      return null;
-    }
-
-    const reversed = [...data].reverse();
-
-    const lastAssistant = reversed.find((m) => {
-      const msg = m as Record<string, unknown>;
-      const info = msg.info as Record<string, unknown> | undefined;
-      return info?.role === "assistant";
-    });
-
-    const lastUser = reversed.find((m) => {
-      const msg = m as Record<string, unknown>;
-      const info = msg.info as Record<string, unknown> | undefined;
-      return info?.role === "user";
-    });
-
-    if (!lastUser) return null;
-    const userInfo = (lastUser as { info?: Record<string, unknown> }).info;
-    const userMessageID = userInfo?.id as string | undefined;
-    if (!userMessageID) return null;
-
-    let assistantMessageID: string | undefined;
-    if (lastAssistant) {
-      const assistantInfo = (
-        lastAssistant as { info?: Record<string, unknown> }
-      ).info;
-      assistantMessageID = assistantInfo?.id as string | undefined;
-    }
-
-    return { userMessageID, assistantMessageID };
-  } catch {
-    return null;
-  }
-}
-
 function formatBytes(bytes: number): string {
   if (bytes < 1024) return `${bytes}B`;
   if (bytes < 1024 * 1024) return `${(bytes / 1024).toFixed(1)}KB`;
@@ -221,6 +158,8 @@ export async function getLastAssistant(
   }
 }
 
+
+
 function clearSessionState(
   autoCompactState: AutoCompactState,
   sessionID: string,
@@ -228,7 +167,6 @@ function clearSessionState(
   autoCompactState.pendingCompact.delete(sessionID);
   autoCompactState.errorDataBySession.delete(sessionID);
   autoCompactState.retryStateBySession.delete(sessionID);
-  autoCompactState.fallbackStateBySession.delete(sessionID);
   autoCompactState.truncateStateBySession.delete(sessionID);
   autoCompactState.dcpStateBySession.delete(sessionID);
   autoCompactState.emptyContentAttemptBySession.delete(sessionID);
@@ -359,17 +297,16 @@ export async function executeCompact(
     const errorData = autoCompactState.errorDataBySession.get(sessionID);
     const truncateState = getOrCreateTruncateState(autoCompactState, sessionID);
 
-    // DCP FIRST - run before any other recovery attempts when token limit exceeded (controlled by dcp-for-compaction hook)
-    const dcpState = getOrCreateDcpState(autoCompactState, sessionID);
-    if (
-      dcpForCompaction !== false &&
-      !dcpState.attempted &&
+    const isOverLimit =
       errorData?.currentTokens &&
       errorData?.maxTokens &&
-      errorData.currentTokens > errorData.maxTokens
-    ) {
+      errorData.currentTokens > errorData.maxTokens;
+
+    // PHASE 1: DCP (Dynamic Context Pruning) - prune duplicate tool calls first
+    const dcpState = getOrCreateDcpState(autoCompactState, sessionID);
+    if (dcpForCompaction !== false && !dcpState.attempted && isOverLimit) {
       dcpState.attempted = true;
-      log("[auto-compact] DCP triggered FIRST on token limit error", {
+      log("[auto-compact] PHASE 1: DCP triggered on token limit error", {
         sessionID,
         currentTokens: errorData.currentTokens,
         maxTokens: errorData.maxTokens,
@@ -378,19 +315,25 @@ export async function executeCompact(
       const dcpConfig = experimental?.dynamic_context_pruning ?? {
         enabled: true,
         notification: "detailed" as const,
-        protected_tools: ["task", "todowrite", "todoread", "lsp_rename", "lsp_code_action_resolve"],
+        protected_tools: [
+          "task",
+          "todowrite",
+          "todoread",
+          "lsp_rename",
+          "lsp_code_action_resolve",
+        ],
       };
 
       try {
         const pruningResult = await executeDynamicContextPruning(
           sessionID,
           dcpConfig,
-          client
+          client,
         );
 
         if (pruningResult.itemsPruned > 0) {
           dcpState.itemsPruned = pruningResult.itemsPruned;
-          log("[auto-compact] DCP successful, proceeding to compaction", {
+          log("[auto-compact] DCP successful, proceeding to truncation", {
             itemsPruned: pruningResult.itemsPruned,
             tokensSaved: pruningResult.totalTokensSaved,
           });
@@ -399,56 +342,13 @@ export async function executeCompact(
             .showToast({
               body: {
                 title: "Dynamic Context Pruning",
-                message: `Pruned ${pruningResult.itemsPruned} items (~${Math.round(pruningResult.totalTokensSaved / 1000)}k tokens). Running compaction...`,
+                message: `Pruned ${pruningResult.itemsPruned} items (~${Math.round(pruningResult.totalTokensSaved / 1000)}k tokens). Proceeding to truncation...`,
                 variant: "success",
                 duration: 3000,
               },
             })
             .catch(() => {});
-
-          // After DCP, immediately try summarize
-          const providerID = msg.providerID as string | undefined;
-          const modelID = msg.modelID as string | undefined;
-
-          if (providerID && modelID) {
-            try {
-              sanitizeEmptyMessagesBeforeSummarize(sessionID);
-
-              await (client as Client).tui
-                .showToast({
-                  body: {
-                    title: "Auto Compact",
-                    message: "Summarizing session after DCP...",
-                    variant: "warning",
-                    duration: 3000,
-                  },
-                })
-                .catch(() => {});
-
-              await (client as Client).session.summarize({
-                path: { id: sessionID },
-                body: { providerID, modelID },
-                query: { directory },
-              });
-
-              clearSessionState(autoCompactState, sessionID);
-
-              setTimeout(async () => {
-                try {
-                  await (client as Client).session.prompt_async({
-                    path: { sessionID },
-                    body: { parts: [{ type: "text", text: "Continue" }] },
-                    query: { directory },
-                  });
-                } catch {}
-              }, 500);
-              return;
-            } catch (summarizeError) {
-              log("[auto-compact] summarize after DCP failed, continuing recovery", {
-                error: String(summarizeError),
-              });
-            }
-          }
+          // Continue to PHASE 2 (truncation) instead of summarizing immediately
         } else {
           log("[auto-compact] DCP did not prune any items", { sessionID });
         }
@@ -457,14 +357,12 @@ export async function executeCompact(
       }
     }
 
+    // PHASE 2: Aggressive Truncation - always try when over limit (not experimental-only)
     if (
-      experimental?.aggressive_truncation &&
-      errorData?.currentTokens &&
-      errorData?.maxTokens &&
-      errorData.currentTokens > errorData.maxTokens &&
+      isOverLimit &&
       truncateState.truncateAttempt < TRUNCATE_CONFIG.maxTruncateAttempts
     ) {
-      log("[auto-compact] aggressive truncation triggered (experimental)", {
+      log("[auto-compact] PHASE 2: aggressive truncation triggered", {
         currentTokens: errorData.currentTokens,
         maxTokens: errorData.maxTokens,
         targetRatio: TRUNCATE_CONFIG.targetTokenRatio,
@@ -486,16 +384,16 @@ export async function executeCompact(
           .join(", ");
         const statusMsg = aggressiveResult.sufficient
           ? `Truncated ${aggressiveResult.truncatedCount} outputs (${formatBytes(aggressiveResult.totalBytesRemoved)})`
-          : `Truncated ${aggressiveResult.truncatedCount} outputs (${formatBytes(aggressiveResult.totalBytesRemoved)}) but need ${formatBytes(aggressiveResult.targetBytesToRemove)}. Falling back to summarize/revert...`;
+          : `Truncated ${aggressiveResult.truncatedCount} outputs (${formatBytes(aggressiveResult.totalBytesRemoved)}) - continuing to summarize...`;
 
         await (client as Client).tui
           .showToast({
             body: {
               title: aggressiveResult.sufficient
-                ? "Aggressive Truncation"
+                ? "Truncation Complete"
                 : "Partial Truncation",
               message: `${statusMsg}: ${toolNames}`,
-              variant: "warning",
+              variant: aggressiveResult.sufficient ? "success" : "warning",
               duration: 4000,
             },
           })
@@ -503,11 +401,14 @@ export async function executeCompact(
 
         log("[auto-compact] aggressive truncation completed", aggressiveResult);
 
+        // Only return early if truncation was sufficient to get under token limit
+        // Otherwise fall through to PHASE 3 (Summarize)
         if (aggressiveResult.sufficient) {
+          clearSessionState(autoCompactState, sessionID);
           setTimeout(async () => {
             try {
               await (client as Client).session.prompt_async({
-                path: { sessionID },
+                path: { id: sessionID },
                 body: { parts: [{ type: "text", text: "Continue" }] },
                 query: { directory },
               });
@@ -515,87 +416,16 @@ export async function executeCompact(
           }, 500);
           return;
         }
-      } else {
-        await (client as Client).tui
-          .showToast({
-            body: {
-              title: "Truncation Skipped",
-              message: "No tool outputs found to truncate.",
-              variant: "warning",
-              duration: 3000,
-            },
-          })
-          .catch(() => {});
-      }
-    }
-
-    let skipSummarize = false;
-
-    if (truncateState.truncateAttempt < TRUNCATE_CONFIG.maxTruncateAttempts) {
-      const largest = findLargestToolResult(sessionID);
-
-      if (
-        largest &&
-        largest.outputSize >= TRUNCATE_CONFIG.minOutputSizeToTruncate
-      ) {
-        const result = truncateToolResult(largest.partPath);
-
-        if (result.success) {
-          truncateState.truncateAttempt++;
-          truncateState.lastTruncatedPartId = largest.partId;
-
-          await (client as Client).tui
-            .showToast({
-              body: {
-                title: "Truncating Large Output",
-                message: `Truncated ${result.toolName} (${formatBytes(result.originalSize ?? 0)}). Retrying...`,
-                variant: "warning",
-                duration: 3000,
-              },
-            })
-            .catch(() => {});
-
-          setTimeout(async () => {
-            try {
-              await (client as Client).session.prompt_async({
-                path: { sessionID },
-                body: { parts: [{ type: "text", text: "Continue" }] },
-                query: { directory },
-              });
-            } catch {}
-          }, 500);
-          return;
-        }
-      } else if (
-        errorData?.currentTokens &&
-        errorData?.maxTokens &&
-        errorData.currentTokens > errorData.maxTokens
-      ) {
-        skipSummarize = true;
-        await (client as Client).tui
-          .showToast({
-            body: {
-              title: "Summarize Skipped",
-              message: `Over token limit (${errorData.currentTokens}/${errorData.maxTokens}) with nothing to truncate. Going to revert...`,
-              variant: "warning",
-              duration: 3000,
-            },
-          })
-          .catch(() => {});
-      } else if (!errorData?.currentTokens) {
-        await (client as Client).tui
-          .showToast({
-            body: {
-              title: "Truncation Skipped",
-              message: "No large tool outputs found.",
-              variant: "warning",
-              duration: 3000,
-            },
-          })
-          .catch(() => {});
+        // Truncation was insufficient - fall through to Summarize
+        log("[auto-compact] truncation insufficient, falling through to summarize", {
+          sessionID,
+          truncatedCount: aggressiveResult.truncatedCount,
+          sufficient: aggressiveResult.sufficient,
+        });
       }
     }
 
+    // PHASE 3: Summarize - fallback when truncation insufficient or no tool outputs
     const retryState = getOrCreateRetryState(autoCompactState, sessionID);
 
     if (errorData?.errorType?.includes("non-empty content")) {
@@ -642,11 +472,10 @@ export async function executeCompact(
 
     if (Date.now() - retryState.lastAttemptTime > 300000) {
       retryState.attempt = 0;
-      autoCompactState.fallbackStateBySession.delete(sessionID);
       autoCompactState.truncateStateBySession.delete(sessionID);
     }
 
-    if (!skipSummarize && retryState.attempt < RETRY_CONFIG.maxAttempts) {
+    if (retryState.attempt < RETRY_CONFIG.maxAttempts) {
       retryState.attempt++;
       retryState.lastAttemptTime = Date.now();
 
@@ -677,7 +506,7 @@ export async function executeCompact(
           setTimeout(async () => {
             try {
               await (client as Client).session.prompt_async({
-                path: { sessionID },
+                path: { id: sessionID },
                 body: { parts: [{ type: "text", text: "Continue" }] },
                 query: { directory },
               });
@@ -708,75 +537,7 @@ export async function executeCompact(
           .showToast({
             body: {
               title: "Summarize Skipped",
-              message: "Missing providerID or modelID. Skipping to revert...",
-              variant: "warning",
-              duration: 3000,
-            },
-          })
-          .catch(() => {});
-      }
-    }
-
-    const fallbackState = getOrCreateFallbackState(autoCompactState, sessionID);
-
-    if (fallbackState.revertAttempt < FALLBACK_CONFIG.maxRevertAttempts) {
-      const pair = await getLastMessagePair(
-        sessionID,
-        client as Client,
-        directory,
-      );
-
-      if (pair) {
-        try {
-          await (client as Client).tui
-            .showToast({
-              body: {
-                title: "Emergency Recovery",
-                message: "Removing last message pair...",
-                variant: "warning",
-                duration: 3000,
-              },
-            })
-            .catch(() => {});
-
-          if (pair.assistantMessageID) {
-            await (client as Client).session.revert({
-              path: { id: sessionID },
-              body: { messageID: pair.assistantMessageID },
-              query: { directory },
-            });
-          }
-
-          await (client as Client).session.revert({
-            path: { id: sessionID },
-            body: { messageID: pair.userMessageID },
-            query: { directory },
-          });
-
-          fallbackState.revertAttempt++;
-          fallbackState.lastRevertedMessageID = pair.userMessageID;
-
-          // Clear all state after successful revert - don't recurse
-          clearSessionState(autoCompactState, sessionID);
-
-          // Send "Continue" prompt to resume session
-          setTimeout(async () => {
-            try {
-              await (client as Client).session.prompt_async({
-                path: { sessionID },
-                body: { parts: [{ type: "text", text: "Continue" }] },
-                query: { directory },
-              });
-            } catch {}
-          }, 500);
-          return;
-        } catch {}
-      } else {
-        await (client as Client).tui
-          .showToast({
-            body: {
-              title: "Revert Skipped",
-              message: "Could not find last message pair to revert.",
+              message: "Missing providerID or modelID.",
               variant: "warning",
               duration: 3000,
             },

src/hooks/anthropic-context-window-limit-recovery/index.ts

@@ -15,7 +15,6 @@ function createRecoveryState(): AutoCompactState {
     pendingCompact: new Set<string>(),
     errorDataBySession: new Map<string, ParsedTokenLimitError>(),
     retryStateBySession: new Map(),
-    fallbackStateBySession: new Map(),
     truncateStateBySession: new Map(),
     dcpStateBySession: new Map(),
     emptyContentAttemptBySession: new Map(),
@@ -37,7 +36,6 @@ export function createAnthropicContextWindowLimitRecoveryHook(ctx: PluginInput,
         autoCompactState.pendingCompact.delete(sessionInfo.id)
         autoCompactState.errorDataBySession.delete(sessionInfo.id)
         autoCompactState.retryStateBySession.delete(sessionInfo.id)
-        autoCompactState.fallbackStateBySession.delete(sessionInfo.id)
         autoCompactState.truncateStateBySession.delete(sessionInfo.id)
         autoCompactState.dcpStateBySession.delete(sessionInfo.id)
         autoCompactState.emptyContentAttemptBySession.delete(sessionInfo.id)
@@ -154,6 +152,6 @@ export function createAnthropicContextWindowLimitRecoveryHook(ctx: PluginInput,
   }
 }
 
-export type { AutoCompactState, DcpState, FallbackState, ParsedTokenLimitError, TruncateState } from "./types"
+export type { AutoCompactState, DcpState, ParsedTokenLimitError, TruncateState } from "./types"
 export { parseAnthropicTokenLimitError } from "./parser"
 export { executeCompact, getLastAssistant } from "./executor"

src/hooks/anthropic-context-window-limit-recovery/parser.ts

@@ -26,9 +26,23 @@ const TOKEN_LIMIT_KEYWORDS = [
   "context length",
   "too many tokens",
   "non-empty content",
-  "invalid_request_error",
 ]
 
+// Patterns that indicate thinking block structure errors (NOT token limit errors)
+// These should be handled by session-recovery hook, not compaction
+const THINKING_BLOCK_ERROR_PATTERNS = [
+  /thinking.*first block/i,
+  /first block.*thinking/i,
+  /must.*start.*thinking/i,
+  /thinking.*redacted_thinking/i,
+  /expected.*thinking.*found/i,
+  /thinking.*disabled.*cannot.*contain/i,
+]
+
+function isThinkingBlockError(text: string): boolean {
+  return THINKING_BLOCK_ERROR_PATTERNS.some((pattern) => pattern.test(text))
+}
+
 const MESSAGE_INDEX_PATTERN = /messages\.(\d+)/
 
 function extractTokensFromMessage(message: string): { current: number; max: number } | null {
@@ -52,6 +66,9 @@ function extractMessageIndex(text: string): number | undefined {
 }
 
 function isTokenLimitError(text: string): boolean {
+  if (isThinkingBlockError(text)) {
+    return false
+  }
   const lower = text.toLowerCase()
   return TOKEN_LIMIT_KEYWORDS.some((kw) => lower.includes(kw.toLowerCase()))
 }

src/hooks/anthropic-context-window-limit-recovery/storage.test.ts

@@ -0,0 +1,77 @@
+import { describe, test, expect, mock, beforeEach } from "bun:test"
+import { truncateUntilTargetTokens } from "./storage"
+import * as storage from "./storage"
+
+// Mock the entire module
+mock.module("./storage", () => {
+  return {
+    ...storage,
+    findToolResultsBySize: mock(() => []),
+    truncateToolResult: mock(() => ({ success: false })),
+  }
+})
+
+describe("truncateUntilTargetTokens", () => {
+  const sessionID = "test-session"
+  
+  beforeEach(() => {
+    // Reset mocks
+    const { findToolResultsBySize, truncateToolResult } = require("./storage")
+    findToolResultsBySize.mockReset()
+    truncateToolResult.mockReset()
+  })
+
+  test("truncates only until target is reached", () => {
+    const { findToolResultsBySize, truncateToolResult } = require("./storage")
+    
+    // #given: Two tool results, each 1000 chars. Target reduction is 500 chars.
+    const results = [
+      { partPath: "path1", partId: "id1", messageID: "m1", toolName: "tool1", outputSize: 1000 },
+      { partPath: "path2", partId: "id2", messageID: "m2", toolName: "tool2", outputSize: 1000 },
+    ]
+    
+    findToolResultsBySize.mockReturnValue(results)
+    truncateToolResult.mockImplementation((path: string) => ({
+      success: true,
+      toolName: path === "path1" ? "tool1" : "tool2",
+      originalSize: 1000
+    }))
+
+    // #when: currentTokens=1000, maxTokens=1000, targetRatio=0.5 (target=500, reduce=500)
+    // charsPerToken=1 for simplicity in test
+    const result = truncateUntilTargetTokens(sessionID, 1000, 1000, 0.5, 1)
+
+    // #then: Should only truncate the first tool
+    expect(result.truncatedCount).toBe(1)
+    expect(truncateToolResult).toHaveBeenCalledTimes(1)
+    expect(truncateToolResult).toHaveBeenCalledWith("path1")
+    expect(result.totalBytesRemoved).toBe(1000)
+    expect(result.sufficient).toBe(true)
+  })
+
+  test("truncates all if target not reached", () => {
+    const { findToolResultsBySize, truncateToolResult } = require("./storage")
+    
+    // #given: Two tool results, each 100 chars. Target reduction is 500 chars.
+    const results = [
+      { partPath: "path1", partId: "id1", messageID: "m1", toolName: "tool1", outputSize: 100 },
+      { partPath: "path2", partId: "id2", messageID: "m2", toolName: "tool2", outputSize: 100 },
+    ]
+    
+    findToolResultsBySize.mockReturnValue(results)
+    truncateToolResult.mockImplementation((path: string) => ({
+      success: true,
+      toolName: path === "path1" ? "tool1" : "tool2",
+      originalSize: 100
+    }))
+
+    // #when: reduce 500 chars
+    const result = truncateUntilTargetTokens(sessionID, 1000, 1000, 0.5, 1)
+
+    // #then: Should truncate both
+    expect(result.truncatedCount).toBe(2)
+    expect(truncateToolResult).toHaveBeenCalledTimes(2)
+    expect(result.totalBytesRemoved).toBe(200)
+    expect(result.sufficient).toBe(false)
+  })
+})

src/hooks/anthropic-context-window-limit-recovery/storage.ts

@@ -230,6 +230,10 @@ export function truncateUntilTargetTokens(
         toolName: truncateResult.toolName ?? result.toolName,
         originalSize: removedSize,
       })
+      
+      if (totalRemoved >= charsToReduce) {
+        break
+      }
     }
   }
 

src/hooks/anthropic-context-window-limit-recovery/types.ts

@@ -13,11 +13,6 @@ export interface RetryState {
   lastAttemptTime: number
 }
 
-export interface FallbackState {
-  revertAttempt: number
-  lastRevertedMessageID?: string
-}
-
 export interface TruncateState {
   truncateAttempt: number
   lastTruncatedPartId?: string
@@ -32,7 +27,6 @@ export interface AutoCompactState {
   pendingCompact: Set<string>
   errorDataBySession: Map<string, ParsedTokenLimitError>
   retryStateBySession: Map<string, RetryState>
-  fallbackStateBySession: Map<string, FallbackState>
   truncateStateBySession: Map<string, TruncateState>
   dcpStateBySession: Map<string, DcpState>
   emptyContentAttemptBySession: Map<string, number>
@@ -46,11 +40,6 @@ export const RETRY_CONFIG = {
   maxDelayMs: 30000,
 } as const
 
-export const FALLBACK_CONFIG = {
-  maxRevertAttempts: 3,
-  minMessagesRequired: 2,
-} as const
-
 export const TRUNCATE_CONFIG = {
   maxTruncateAttempts: 20,
   minOutputSizeToTruncate: 500,

src/hooks/auto-slash-command/constants.ts

@@ -0,0 +1,11 @@
+export const HOOK_NAME = "auto-slash-command" as const
+
+export const AUTO_SLASH_COMMAND_TAG_OPEN = "<auto-slash-command>"
+export const AUTO_SLASH_COMMAND_TAG_CLOSE = "</auto-slash-command>"
+
+export const SLASH_COMMAND_PATTERN = /^\/([a-zA-Z][\w-]*)\s*(.*)/
+
+export const EXCLUDED_COMMANDS = new Set([
+  "ralph-loop",
+  "cancel-ralph",
+])

src/hooks/auto-slash-command/detector.test.ts

@@ -0,0 +1,296 @@
+import { describe, expect, it } from "bun:test"
+import {
+  parseSlashCommand,
+  detectSlashCommand,
+  isExcludedCommand,
+  removeCodeBlocks,
+  extractPromptText,
+} from "./detector"
+
+describe("auto-slash-command detector", () => {
+  describe("removeCodeBlocks", () => {
+    it("should remove markdown code blocks", () => {
+      // #given text with code blocks
+      const text = "Hello ```code here``` world"
+
+      // #when removing code blocks
+      const result = removeCodeBlocks(text)
+
+      // #then code blocks should be removed
+      expect(result).toBe("Hello  world")
+    })
+
+    it("should remove multiline code blocks", () => {
+      // #given text with multiline code blocks
+      const text = `Before
+\`\`\`javascript
+/command-inside-code
+\`\`\`
+After`
+
+      // #when removing code blocks
+      const result = removeCodeBlocks(text)
+
+      // #then code blocks should be removed
+      expect(result).toContain("Before")
+      expect(result).toContain("After")
+      expect(result).not.toContain("/command-inside-code")
+    })
+
+    it("should handle text without code blocks", () => {
+      // #given text without code blocks
+      const text = "Just regular text"
+
+      // #when removing code blocks
+      const result = removeCodeBlocks(text)
+
+      // #then text should remain unchanged
+      expect(result).toBe("Just regular text")
+    })
+  })
+
+  describe("parseSlashCommand", () => {
+    it("should parse simple command without args", () => {
+      // #given a simple slash command
+      const text = "/commit"
+
+      // #when parsing
+      const result = parseSlashCommand(text)
+
+      // #then should extract command correctly
+      expect(result).not.toBeNull()
+      expect(result?.command).toBe("commit")
+      expect(result?.args).toBe("")
+    })
+
+    it("should parse command with arguments", () => {
+      // #given a slash command with arguments
+      const text = "/plan create a new feature for auth"
+
+      // #when parsing
+      const result = parseSlashCommand(text)
+
+      // #then should extract command and args
+      expect(result).not.toBeNull()
+      expect(result?.command).toBe("plan")
+      expect(result?.args).toBe("create a new feature for auth")
+    })
+
+    it("should parse command with quoted arguments", () => {
+      // #given a slash command with quoted arguments
+      const text = '/execute "build the API"'
+
+      // #when parsing
+      const result = parseSlashCommand(text)
+
+      // #then should extract command and args
+      expect(result).not.toBeNull()
+      expect(result?.command).toBe("execute")
+      expect(result?.args).toBe('"build the API"')
+    })
+
+    it("should parse command with hyphen in name", () => {
+      // #given a slash command with hyphen
+      const text = "/frontend-template-creator project"
+
+      // #when parsing
+      const result = parseSlashCommand(text)
+
+      // #then should extract full command name
+      expect(result).not.toBeNull()
+      expect(result?.command).toBe("frontend-template-creator")
+      expect(result?.args).toBe("project")
+    })
+
+    it("should return null for non-slash text", () => {
+      // #given text without slash
+      const text = "regular text"
+
+      // #when parsing
+      const result = parseSlashCommand(text)
+
+      // #then should return null
+      expect(result).toBeNull()
+    })
+
+    it("should return null for slash not at start", () => {
+      // #given text with slash in middle
+      const text = "some text /command"
+
+      // #when parsing
+      const result = parseSlashCommand(text)
+
+      // #then should return null (slash not at start)
+      expect(result).toBeNull()
+    })
+
+    it("should return null for just a slash", () => {
+      // #given just a slash
+      const text = "/"
+
+      // #when parsing
+      const result = parseSlashCommand(text)
+
+      // #then should return null
+      expect(result).toBeNull()
+    })
+
+    it("should return null for slash followed by number", () => {
+      // #given slash followed by number
+      const text = "/123"
+
+      // #when parsing
+      const result = parseSlashCommand(text)
+
+      // #then should return null (command must start with letter)
+      expect(result).toBeNull()
+    })
+
+    it("should handle whitespace before slash", () => {
+      // #given command with leading whitespace
+      const text = "  /commit"
+
+      // #when parsing
+      const result = parseSlashCommand(text)
+
+      // #then should parse after trimming
+      expect(result).not.toBeNull()
+      expect(result?.command).toBe("commit")
+    })
+  })
+
+  describe("isExcludedCommand", () => {
+    it("should exclude ralph-loop", () => {
+      // #given ralph-loop command
+      // #when checking exclusion
+      // #then should be excluded
+      expect(isExcludedCommand("ralph-loop")).toBe(true)
+    })
+
+    it("should exclude cancel-ralph", () => {
+      // #given cancel-ralph command
+      // #when checking exclusion
+      // #then should be excluded
+      expect(isExcludedCommand("cancel-ralph")).toBe(true)
+    })
+
+    it("should be case-insensitive for exclusion", () => {
+      // #given uppercase variants
+      // #when checking exclusion
+      // #then should still be excluded
+      expect(isExcludedCommand("RALPH-LOOP")).toBe(true)
+      expect(isExcludedCommand("Cancel-Ralph")).toBe(true)
+    })
+
+    it("should not exclude regular commands", () => {
+      // #given regular commands
+      // #when checking exclusion
+      // #then should not be excluded
+      expect(isExcludedCommand("commit")).toBe(false)
+      expect(isExcludedCommand("plan")).toBe(false)
+      expect(isExcludedCommand("execute")).toBe(false)
+    })
+  })
+
+  describe("detectSlashCommand", () => {
+    it("should detect slash command in plain text", () => {
+      // #given plain text with slash command
+      const text = "/commit fix typo"
+
+      // #when detecting
+      const result = detectSlashCommand(text)
+
+      // #then should detect
+      expect(result).not.toBeNull()
+      expect(result?.command).toBe("commit")
+      expect(result?.args).toBe("fix typo")
+    })
+
+    it("should NOT detect slash command inside code block", () => {
+      // #given slash command inside code block
+      const text = "```bash\n/command\n```"
+
+      // #when detecting
+      const result = detectSlashCommand(text)
+
+      // #then should not detect (only code block content)
+      expect(result).toBeNull()
+    })
+
+    it("should detect command when text has code blocks elsewhere", () => {
+      // #given slash command before code block
+      const text = "/commit fix\n```code```"
+
+      // #when detecting
+      const result = detectSlashCommand(text)
+
+      // #then should detect the command
+      expect(result).not.toBeNull()
+      expect(result?.command).toBe("commit")
+    })
+
+    it("should NOT detect excluded commands", () => {
+      // #given excluded command
+      const text = "/ralph-loop do something"
+
+      // #when detecting
+      const result = detectSlashCommand(text)
+
+      // #then should not detect
+      expect(result).toBeNull()
+    })
+
+    it("should return null for non-command text", () => {
+      // #given regular text
+      const text = "Just some regular text"
+
+      // #when detecting
+      const result = detectSlashCommand(text)
+
+      // #then should return null
+      expect(result).toBeNull()
+    })
+  })
+
+  describe("extractPromptText", () => {
+    it("should extract text from parts", () => {
+      // #given message parts
+      const parts = [
+        { type: "text", text: "Hello " },
+        { type: "tool_use", id: "123" },
+        { type: "text", text: "world" },
+      ]
+
+      // #when extracting
+      const result = extractPromptText(parts)
+
+      // #then should join text parts
+      expect(result).toBe("Hello  world")
+    })
+
+    it("should handle empty parts", () => {
+      // #given empty parts
+      const parts: Array<{ type: string; text?: string }> = []
+
+      // #when extracting
+      const result = extractPromptText(parts)
+
+      // #then should return empty string
+      expect(result).toBe("")
+    })
+
+    it("should handle parts without text", () => {
+      // #given parts without text content
+      const parts = [
+        { type: "tool_use", id: "123" },
+        { type: "tool_result", output: "result" },
+      ]
+
+      // #when extracting
+      const result = extractPromptText(parts)
+
+      // #then should return empty string
+      expect(result).toBe("")
+    })
+  })
+})

src/hooks/auto-slash-command/detector.ts

@@ -0,0 +1,65 @@
+import {
+  SLASH_COMMAND_PATTERN,
+  EXCLUDED_COMMANDS,
+} from "./constants"
+import type { ParsedSlashCommand } from "./types"
+
+const CODE_BLOCK_PATTERN = /```[\s\S]*?```/g
+
+export function removeCodeBlocks(text: string): string {
+  return text.replace(CODE_BLOCK_PATTERN, "")
+}
+
+export function parseSlashCommand(text: string): ParsedSlashCommand | null {
+  const trimmed = text.trim()
+
+  if (!trimmed.startsWith("/")) {
+    return null
+  }
+
+  const match = trimmed.match(SLASH_COMMAND_PATTERN)
+  if (!match) {
+    return null
+  }
+
+  const [raw, command, args] = match
+  return {
+    command: command.toLowerCase(),
+    args: args.trim(),
+    raw,
+  }
+}
+
+export function isExcludedCommand(command: string): boolean {
+  return EXCLUDED_COMMANDS.has(command.toLowerCase())
+}
+
+export function detectSlashCommand(text: string): ParsedSlashCommand | null {
+  const textWithoutCodeBlocks = removeCodeBlocks(text)
+  const trimmed = textWithoutCodeBlocks.trim()
+
+  if (!trimmed.startsWith("/")) {
+    return null
+  }
+
+  const parsed = parseSlashCommand(trimmed)
+
+  if (!parsed) {
+    return null
+  }
+
+  if (isExcludedCommand(parsed.command)) {
+    return null
+  }
+
+  return parsed
+}
+
+export function extractPromptText(
+  parts: Array<{ type: string; text?: string }>
+): string {
+  return parts
+    .filter((p) => p.type === "text")
+    .map((p) => p.text || "")
+    .join(" ")
+}

src/hooks/auto-slash-command/executor.ts

@@ -0,0 +1,194 @@
+import { existsSync, readdirSync, readFileSync } from "fs"
+import { join, basename, dirname } from "path"
+import { homedir } from "os"
+import {
+  parseFrontmatter,
+  resolveCommandsInText,
+  resolveFileReferencesInText,
+  sanitizeModelField,
+  getClaudeConfigDir,
+} from "../../shared"
+import type { CommandFrontmatter } from "../../features/claude-code-command-loader/types"
+import { isMarkdownFile } from "../../shared/file-utils"
+import { discoverAllSkills, type LoadedSkill } from "../../features/opencode-skill-loader"
+import type { ParsedSlashCommand } from "./types"
+
+interface CommandScope {
+  type: "user" | "project" | "opencode" | "opencode-project" | "skill"
+}
+
+interface CommandMetadata {
+  name: string
+  description: string
+  argumentHint?: string
+  model?: string
+  agent?: string
+  subtask?: boolean
+}
+
+interface CommandInfo {
+  name: string
+  path?: string
+  metadata: CommandMetadata
+  content?: string
+  scope: CommandScope["type"]
+}
+
+function discoverCommandsFromDir(commandsDir: string, scope: CommandScope["type"]): CommandInfo[] {
+  if (!existsSync(commandsDir)) {
+    return []
+  }
+
+  const entries = readdirSync(commandsDir, { withFileTypes: true })
+  const commands: CommandInfo[] = []
+
+  for (const entry of entries) {
+    if (!isMarkdownFile(entry)) continue
+
+    const commandPath = join(commandsDir, entry.name)
+    const commandName = basename(entry.name, ".md")
+
+    try {
+      const content = readFileSync(commandPath, "utf-8")
+      const { data, body } = parseFrontmatter<CommandFrontmatter>(content)
+
+      const isOpencodeSource = scope === "opencode" || scope === "opencode-project"
+      const metadata: CommandMetadata = {
+        name: commandName,
+        description: data.description || "",
+        argumentHint: data["argument-hint"],
+        model: sanitizeModelField(data.model, isOpencodeSource ? "opencode" : "claude-code"),
+        agent: data.agent,
+        subtask: Boolean(data.subtask),
+      }
+
+      commands.push({
+        name: commandName,
+        path: commandPath,
+        metadata,
+        content: body,
+        scope,
+      })
+    } catch {
+      continue
+    }
+  }
+
+  return commands
+}
+
+function skillToCommandInfo(skill: LoadedSkill): CommandInfo {
+  return {
+    name: skill.name,
+    path: skill.path,
+    metadata: {
+      name: skill.name,
+      description: skill.definition.description || "",
+      argumentHint: skill.definition.argumentHint,
+      model: skill.definition.model,
+      agent: skill.definition.agent,
+      subtask: skill.definition.subtask,
+    },
+    content: skill.definition.template,
+    scope: "skill",
+  }
+}
+
+function discoverAllCommands(): CommandInfo[] {
+  const userCommandsDir = join(getClaudeConfigDir(), "commands")
+  const projectCommandsDir = join(process.cwd(), ".claude", "commands")
+  const opencodeGlobalDir = join(homedir(), ".config", "opencode", "command")
+  const opencodeProjectDir = join(process.cwd(), ".opencode", "command")
+
+  const userCommands = discoverCommandsFromDir(userCommandsDir, "user")
+  const opencodeGlobalCommands = discoverCommandsFromDir(opencodeGlobalDir, "opencode")
+  const projectCommands = discoverCommandsFromDir(projectCommandsDir, "project")
+  const opencodeProjectCommands = discoverCommandsFromDir(opencodeProjectDir, "opencode-project")
+
+  const skills = discoverAllSkills()
+  const skillCommands = skills.map(skillToCommandInfo)
+
+  return [
+    ...opencodeProjectCommands,
+    ...projectCommands,
+    ...opencodeGlobalCommands,
+    ...userCommands,
+    ...skillCommands,
+  ]
+}
+
+function findCommand(commandName: string): CommandInfo | null {
+  const allCommands = discoverAllCommands()
+  return allCommands.find(
+    (cmd) => cmd.name.toLowerCase() === commandName.toLowerCase()
+  ) ?? null
+}
+
+async function formatCommandTemplate(cmd: CommandInfo, args: string): Promise<string> {
+  const sections: string[] = []
+
+  sections.push(`# /${cmd.name} Command\n`)
+
+  if (cmd.metadata.description) {
+    sections.push(`**Description**: ${cmd.metadata.description}\n`)
+  }
+
+  if (args) {
+    sections.push(`**User Arguments**: ${args}\n`)
+  }
+
+  if (cmd.metadata.model) {
+    sections.push(`**Model**: ${cmd.metadata.model}\n`)
+  }
+
+  if (cmd.metadata.agent) {
+    sections.push(`**Agent**: ${cmd.metadata.agent}\n`)
+  }
+
+  sections.push(`**Scope**: ${cmd.scope}\n`)
+  sections.push("---\n")
+  sections.push("## Command Instructions\n")
+
+  const commandDir = cmd.path ? dirname(cmd.path) : process.cwd()
+  const withFileRefs = await resolveFileReferencesInText(cmd.content || "", commandDir)
+  const resolvedContent = await resolveCommandsInText(withFileRefs)
+  sections.push(resolvedContent.trim())
+
+  if (args) {
+    sections.push("\n\n---\n")
+    sections.push("## User Request\n")
+    sections.push(args)
+  }
+
+  return sections.join("\n")
+}
+
+export interface ExecuteResult {
+  success: boolean
+  replacementText?: string
+  error?: string
+}
+
+export async function executeSlashCommand(parsed: ParsedSlashCommand): Promise<ExecuteResult> {
+  const command = findCommand(parsed.command)
+
+  if (!command) {
+    return {
+      success: false,
+      error: `Command "/${parsed.command}" not found. Use the slashcommand tool to list available commands.`,
+    }
+  }
+
+  try {
+    const template = await formatCommandTemplate(command, parsed.args)
+    return {
+      success: true,
+      replacementText: template,
+    }
+  } catch (err) {
+    return {
+      success: false,
+      error: `Failed to load command "/${parsed.command}": ${err instanceof Error ? err.message : String(err)}`,
+    }
+  }
+}

src/hooks/auto-slash-command/index.test.ts

@@ -0,0 +1,258 @@
+import { describe, expect, it, beforeEach, mock, spyOn } from "bun:test"
+import type {
+  AutoSlashCommandHookInput,
+  AutoSlashCommandHookOutput,
+} from "./types"
+
+// Import real shared module to avoid mock leaking to other test files
+import * as shared from "../../shared"
+
+// Spy on log instead of mocking the entire module
+const logMock = spyOn(shared, "log").mockImplementation(() => {})
+
+
+
+const { createAutoSlashCommandHook } = await import("./index")
+
+function createMockInput(sessionID: string, messageID?: string): AutoSlashCommandHookInput {
+  return {
+    sessionID,
+    messageID: messageID ?? `msg-${Date.now()}-${Math.random()}`,
+    agent: "test-agent",
+    model: { providerID: "anthropic", modelID: "claude-sonnet-4-5" },
+  }
+}
+
+function createMockOutput(text: string): AutoSlashCommandHookOutput {
+  return {
+    message: {
+      agent: "test-agent",
+      model: { providerID: "anthropic", modelID: "claude-sonnet-4-5" },
+      path: { cwd: "/test", root: "/test" },
+      tools: {},
+    },
+    parts: [{ type: "text", text }],
+  }
+}
+
+describe("createAutoSlashCommandHook", () => {
+  beforeEach(() => {
+    logMock.mockClear()
+  })
+
+  describe("slash command replacement", () => {
+    it("should replace message with error when command not found", async () => {
+      // #given a slash command that doesn't exist
+      const hook = createAutoSlashCommandHook()
+      const sessionID = `test-session-notfound-${Date.now()}`
+      const input = createMockInput(sessionID)
+      const output = createMockOutput("/nonexistent-command args")
+
+      // #when hook is called
+      await hook["chat.message"](input, output)
+
+      // #then should replace with error message
+      const textPart = output.parts.find((p) => p.type === "text")
+      expect(textPart?.text).toContain("<auto-slash-command>")
+      expect(textPart?.text).toContain("not found")
+    })
+
+    it("should wrap replacement in auto-slash-command tags", async () => {
+      // #given any slash command
+      const hook = createAutoSlashCommandHook()
+      const sessionID = `test-session-tags-${Date.now()}`
+      const input = createMockInput(sessionID)
+      const output = createMockOutput("/some-command")
+
+      // #when hook is called
+      await hook["chat.message"](input, output)
+
+      // #then should wrap in tags
+      const textPart = output.parts.find((p) => p.type === "text")
+      expect(textPart?.text).toContain("<auto-slash-command>")
+      expect(textPart?.text).toContain("</auto-slash-command>")
+    })
+
+    it("should completely replace original message text", async () => {
+      // #given slash command
+      const hook = createAutoSlashCommandHook()
+      const sessionID = `test-session-replace-${Date.now()}`
+      const input = createMockInput(sessionID)
+      const output = createMockOutput("/test-cmd some args")
+
+      // #when hook is called
+      await hook["chat.message"](input, output)
+
+      // #then original text should be replaced, not prepended
+      const textPart = output.parts.find((p) => p.type === "text")
+      expect(textPart?.text).not.toContain("/test-cmd some args\n<auto-slash-command>")
+      expect(textPart?.text?.startsWith("<auto-slash-command>")).toBe(true)
+    })
+  })
+
+  describe("no slash command", () => {
+    it("should do nothing for regular text", async () => {
+      // #given regular text without slash
+      const hook = createAutoSlashCommandHook()
+      const sessionID = `test-session-regular-${Date.now()}`
+      const input = createMockInput(sessionID)
+      const output = createMockOutput("Just regular text")
+      const originalText = output.parts[0].text
+
+      // #when hook is called
+      await hook["chat.message"](input, output)
+
+      // #then should not modify
+      expect(output.parts[0].text).toBe(originalText)
+    })
+
+    it("should do nothing for slash in middle of text", async () => {
+      // #given slash in middle
+      const hook = createAutoSlashCommandHook()
+      const sessionID = `test-session-middle-${Date.now()}`
+      const input = createMockInput(sessionID)
+      const output = createMockOutput("Please run /commit later")
+      const originalText = output.parts[0].text
+
+      // #when hook is called
+      await hook["chat.message"](input, output)
+
+      // #then should not detect (not at start)
+      expect(output.parts[0].text).toBe(originalText)
+    })
+  })
+
+  describe("excluded commands", () => {
+    it("should NOT trigger for ralph-loop command", async () => {
+      // #given ralph-loop command
+      const hook = createAutoSlashCommandHook()
+      const sessionID = `test-session-ralph-${Date.now()}`
+      const input = createMockInput(sessionID)
+      const output = createMockOutput("/ralph-loop do something")
+      const originalText = output.parts[0].text
+
+      // #when hook is called
+      await hook["chat.message"](input, output)
+
+      // #then should not modify (excluded command)
+      expect(output.parts[0].text).toBe(originalText)
+    })
+
+    it("should NOT trigger for cancel-ralph command", async () => {
+      // #given cancel-ralph command
+      const hook = createAutoSlashCommandHook()
+      const sessionID = `test-session-cancel-${Date.now()}`
+      const input = createMockInput(sessionID)
+      const output = createMockOutput("/cancel-ralph")
+      const originalText = output.parts[0].text
+
+      // #when hook is called
+      await hook["chat.message"](input, output)
+
+      // #then should not modify
+      expect(output.parts[0].text).toBe(originalText)
+    })
+  })
+
+  describe("already processed", () => {
+    it("should skip if auto-slash-command tags already present", async () => {
+      // #given text with existing tags
+      const hook = createAutoSlashCommandHook()
+      const sessionID = `test-session-existing-${Date.now()}`
+      const input = createMockInput(sessionID)
+      const output = createMockOutput(
+        "<auto-slash-command>/commit</auto-slash-command>"
+      )
+      const originalText = output.parts[0].text
+
+      // #when hook is called
+      await hook["chat.message"](input, output)
+
+      // #then should not modify
+      expect(output.parts[0].text).toBe(originalText)
+    })
+  })
+
+  describe("code blocks", () => {
+    it("should NOT detect command inside code block", async () => {
+      // #given command inside code block
+      const hook = createAutoSlashCommandHook()
+      const sessionID = `test-session-codeblock-${Date.now()}`
+      const input = createMockInput(sessionID)
+      const output = createMockOutput("```\n/commit\n```")
+      const originalText = output.parts[0].text
+
+      // #when hook is called
+      await hook["chat.message"](input, output)
+
+      // #then should not detect
+      expect(output.parts[0].text).toBe(originalText)
+    })
+  })
+
+  describe("edge cases", () => {
+    it("should handle empty text", async () => {
+      // #given empty text
+      const hook = createAutoSlashCommandHook()
+      const sessionID = `test-session-empty-${Date.now()}`
+      const input = createMockInput(sessionID)
+      const output = createMockOutput("")
+
+      // #when hook is called
+      // #then should not throw
+      await expect(hook["chat.message"](input, output)).resolves.toBeUndefined()
+    })
+
+    it("should handle just slash", async () => {
+      // #given just slash
+      const hook = createAutoSlashCommandHook()
+      const sessionID = `test-session-slash-only-${Date.now()}`
+      const input = createMockInput(sessionID)
+      const output = createMockOutput("/")
+      const originalText = output.parts[0].text
+
+      // #when hook is called
+      await hook["chat.message"](input, output)
+
+      // #then should not modify
+      expect(output.parts[0].text).toBe(originalText)
+    })
+
+    it("should handle command with special characters in args", async () => {
+      // #given command with special characters
+      const hook = createAutoSlashCommandHook()
+      const sessionID = `test-session-special-${Date.now()}`
+      const input = createMockInput(sessionID)
+      const output = createMockOutput('/execute "test & stuff <tag>"')
+
+      // #when hook is called
+      await hook["chat.message"](input, output)
+
+      // #then should handle gracefully (not found, but processed)
+      const textPart = output.parts.find((p) => p.type === "text")
+      expect(textPart?.text).toContain("<auto-slash-command>")
+      expect(textPart?.text).toContain("/execute")
+    })
+
+    it("should handle multiple text parts", async () => {
+      // #given multiple text parts
+      const hook = createAutoSlashCommandHook()
+      const sessionID = `test-session-multi-${Date.now()}`
+      const input = createMockInput(sessionID)
+      const output: AutoSlashCommandHookOutput = {
+        message: {},
+        parts: [
+          { type: "text", text: "/commit " },
+          { type: "text", text: "fix bug" },
+        ],
+      }
+
+      // #when hook is called
+      await hook["chat.message"](input, output)
+
+      // #then should detect from combined text and modify first text part
+      const firstTextPart = output.parts.find((p) => p.type === "text")
+      expect(firstTextPart?.text).toContain("<auto-slash-command>")
+    })
+  })
+})

src/hooks/auto-slash-command/index.ts

@@ -0,0 +1,82 @@
+import {
+  detectSlashCommand,
+  extractPromptText,
+} from "./detector"
+import { executeSlashCommand } from "./executor"
+import { log } from "../../shared"
+import {
+  AUTO_SLASH_COMMAND_TAG_OPEN,
+  AUTO_SLASH_COMMAND_TAG_CLOSE,
+} from "./constants"
+import type {
+  AutoSlashCommandHookInput,
+  AutoSlashCommandHookOutput,
+} from "./types"
+
+export * from "./detector"
+export * from "./executor"
+export * from "./constants"
+export * from "./types"
+
+const sessionProcessedCommands = new Set<string>()
+
+export function createAutoSlashCommandHook() {
+  return {
+    "chat.message": async (
+      input: AutoSlashCommandHookInput,
+      output: AutoSlashCommandHookOutput
+    ): Promise<void> => {
+      const promptText = extractPromptText(output.parts)
+
+      if (
+        promptText.includes(AUTO_SLASH_COMMAND_TAG_OPEN) ||
+        promptText.includes(AUTO_SLASH_COMMAND_TAG_CLOSE)
+      ) {
+        return
+      }
+
+      const parsed = detectSlashCommand(promptText)
+
+      if (!parsed) {
+        return
+      }
+
+      const commandKey = `${input.sessionID}:${input.messageID}:${parsed.command}`
+      if (sessionProcessedCommands.has(commandKey)) {
+        return
+      }
+      sessionProcessedCommands.add(commandKey)
+
+      log(`[auto-slash-command] Detected: /${parsed.command}`, {
+        sessionID: input.sessionID,
+        args: parsed.args,
+      })
+
+      const result = await executeSlashCommand(parsed)
+
+      const idx = output.parts.findIndex((p) => p.type === "text" && p.text)
+      if (idx < 0) {
+        return
+      }
+
+      if (result.success && result.replacementText) {
+        const taggedContent = `${AUTO_SLASH_COMMAND_TAG_OPEN}\n${result.replacementText}\n${AUTO_SLASH_COMMAND_TAG_CLOSE}`
+        output.parts[idx].text = taggedContent
+
+        log(`[auto-slash-command] Replaced message with command template`, {
+          sessionID: input.sessionID,
+          command: parsed.command,
+        })
+      } else {
+        const errorMessage = `${AUTO_SLASH_COMMAND_TAG_OPEN}\n[AUTO-SLASH-COMMAND ERROR]\n${result.error}\n\nOriginal input: ${parsed.raw}\n${AUTO_SLASH_COMMAND_TAG_CLOSE}`
+        output.parts[idx].text = errorMessage
+
+        log(`[auto-slash-command] Command not found, showing error`, {
+          sessionID: input.sessionID,
+          command: parsed.command,
+          error: result.error,
+        })
+      }
+    },
+  }
+}

src/hooks/auto-slash-command/types.ts

@@ -0,0 +1,23 @@
+export interface AutoSlashCommandHookInput {
+  sessionID: string
+  agent?: string
+  model?: { providerID: string; modelID: string }
+  messageID?: string
+}
+
+export interface AutoSlashCommandHookOutput {
+  message: Record<string, unknown>
+  parts: Array<{ type: string; text?: string; [key: string]: unknown }>
+}
+
+export interface ParsedSlashCommand {
+  command: string
+  args: string
+  raw: string
+}
+
+export interface AutoSlashCommandResult {
+  detected: boolean
+  parsedCommand?: ParsedSlashCommand
+  injectedMessage?: string
+}

src/hooks/auto-update-checker/checker.ts

@@ -9,7 +9,10 @@ import {
   INSTALLED_PACKAGE_JSON,
   USER_OPENCODE_CONFIG,
   USER_OPENCODE_CONFIG_JSONC,
+  USER_CONFIG_DIR,
+  getWindowsAppdataDir,
 } from "./constants"
+import * as os from "node:os"
 import { log } from "../../shared/logger"
 
 export function isLocalDevMode(directory: string): boolean {
@@ -23,12 +26,32 @@ function stripJsonComments(json: string): string {
 }
 
 function getConfigPaths(directory: string): string[] {
-  return [
+  const paths = [
     path.join(directory, ".opencode", "opencode.json"),
     path.join(directory, ".opencode", "opencode.jsonc"),
     USER_OPENCODE_CONFIG,
     USER_OPENCODE_CONFIG_JSONC,
   ]
+  
+  if (process.platform === "win32") {
+    const crossPlatformDir = path.join(os.homedir(), ".config")
+    const appdataDir = getWindowsAppdataDir()
+    
+    if (appdataDir) {
+      const alternateDir = USER_CONFIG_DIR === crossPlatformDir ? appdataDir : crossPlatformDir
+      const alternateConfig = path.join(alternateDir, "opencode", "opencode.json")
+      const alternateConfigJsonc = path.join(alternateDir, "opencode", "opencode.jsonc")
+      
+      if (!paths.includes(alternateConfig)) {
+        paths.push(alternateConfig)
+      }
+      if (!paths.includes(alternateConfigJsonc)) {
+        paths.push(alternateConfigJsonc)
+      }
+    }
+  }
+  
+  return paths
 }
 
 export function getLocalDevPath(directory: string): string | null {

src/hooks/auto-update-checker/constants.ts

@@ -1,5 +1,6 @@
 import * as path from "node:path"
 import * as os from "node:os"
+import * as fs from "node:fs"
 
 export const PACKAGE_NAME = "oh-my-opencode"
 export const NPM_REGISTRY_URL = `https://registry.npmjs.org/-/package/${PACKAGE_NAME}/dist-tags`
@@ -28,14 +29,36 @@ export const INSTALLED_PACKAGE_JSON = path.join(
 
 /**
  * OpenCode config file locations (priority order)
+ * On Windows, checks ~/.config first (cross-platform), then %APPDATA% (fallback)
+ * This matches shared/config-path.ts behavior for consistency
  */
 function getUserConfigDir(): string {
   if (process.platform === "win32") {
-    return process.env.APPDATA ?? path.join(os.homedir(), "AppData", "Roaming")
+    const crossPlatformDir = path.join(os.homedir(), ".config")
+    const appdataDir = process.env.APPDATA ?? path.join(os.homedir(), "AppData", "Roaming")
+    
+    // Check cross-platform path first (~/.config)
+    const crossPlatformConfig = path.join(crossPlatformDir, "opencode", "opencode.json")
+    const crossPlatformConfigJsonc = path.join(crossPlatformDir, "opencode", "opencode.jsonc")
+    
+    if (fs.existsSync(crossPlatformConfig) || fs.existsSync(crossPlatformConfigJsonc)) {
+      return crossPlatformDir
+    }
+    
+    // Fall back to %APPDATA%
+    return appdataDir
   }
   return process.env.XDG_CONFIG_HOME ?? path.join(os.homedir(), ".config")
 }
 
+/**
+ * Get the Windows-specific APPDATA directory (for fallback checks)
+ */
+export function getWindowsAppdataDir(): string | null {
+  if (process.platform !== "win32") return null
+  return process.env.APPDATA ?? path.join(os.homedir(), "AppData", "Roaming")
+}
+
 export const USER_CONFIG_DIR = getUserConfigDir()
 export const USER_OPENCODE_CONFIG = path.join(USER_CONFIG_DIR, "opencode", "opencode.json")
 export const USER_OPENCODE_CONFIG_JSONC = path.join(USER_CONFIG_DIR, "opencode", "opencode.jsonc")

src/hooks/auto-update-checker/index.ts

@@ -4,6 +4,7 @@ import { invalidatePackage } from "./cache"
 import { PACKAGE_NAME } from "./constants"
 import { log } from "../../shared/logger"
 import { getConfigLoadErrors, clearConfigLoadErrors } from "../../shared/config-errors"
+import { runBunInstall } from "../../cli/config-manager"
 import type { AutoUpdateCheckerOptions } from "./types"
 
 const SISYPHUS_SPINNER = ["·", "•", "●", "○", "◌", "◦", " "]
@@ -100,16 +101,34 @@ async function runBackgroundUpdateCheck(
 
   if (pluginInfo.isPinned) {
     const updated = updatePinnedVersion(pluginInfo.configPath, pluginInfo.entry, latestVersion)
-    if (updated) {
-      invalidatePackage(PACKAGE_NAME)
-      await showAutoUpdatedToast(ctx, currentVersion, latestVersion)
-      log(`[auto-update-checker] Config updated: ${pluginInfo.entry} → ${PACKAGE_NAME}@${latestVersion}`)
-    } else {
+    if (!updated) {
       await showUpdateAvailableToast(ctx, latestVersion, getToastMessage)
+      log("[auto-update-checker] Failed to update pinned version in config")
+      return
     }
+    log(`[auto-update-checker] Config updated: ${pluginInfo.entry} → ${PACKAGE_NAME}@${latestVersion}`)
+  }
+
+  invalidatePackage(PACKAGE_NAME)
+
+  const installSuccess = await runBunInstallSafe()
+  
+  if (installSuccess) {
+    await showAutoUpdatedToast(ctx, currentVersion, latestVersion)
+    log(`[auto-update-checker] Update installed: ${currentVersion} → ${latestVersion}`)
   } else {
-    invalidatePackage(PACKAGE_NAME)
     await showUpdateAvailableToast(ctx, latestVersion, getToastMessage)
+    log("[auto-update-checker] bun install failed; update not installed (falling back to notification-only)")
+  }
+}
+
+async function runBunInstallSafe(): Promise<boolean> {
+  try {
+    return await runBunInstall()
+  } catch (err) {
+    const errorMessage = err instanceof Error ? err.message : String(err)
+    log("[auto-update-checker] bun install error:", errorMessage)
+    return false
   }
 }
 

src/hooks/claude-code-hooks/index.ts

@@ -112,11 +112,6 @@ export function createClaudeCodeHooksHook(ctx: PluginInput, config: PluginConfig
       const isFirstMessage = !sessionFirstMessageProcessed.has(input.sessionID)
       sessionFirstMessageProcessed.add(input.sessionID)
 
-      if (isFirstMessage) {
-        log("Skipping UserPromptSubmit hooks on first message for title generation", { sessionID: input.sessionID })
-        return
-      }
-
       if (!isHookDisabled(config, "UserPromptSubmit")) {
         const userPromptCtx: UserPromptSubmitContext = {
           sessionId: input.sessionID,
@@ -144,24 +139,33 @@ export function createClaudeCodeHooksHook(ctx: PluginInput, config: PluginConfig
 
         if (result.messages.length > 0) {
           const hookContent = result.messages.join("\n\n")
-          log(`[claude-code-hooks] Injecting ${result.messages.length} hook messages`, { sessionID: input.sessionID, contentLength: hookContent.length })
-          const message = output.message as {
-            agent?: string
-            model?: { modelID?: string; providerID?: string }
-            path?: { cwd?: string; root?: string }
-            tools?: Record<string, boolean>
+          log(`[claude-code-hooks] Injecting ${result.messages.length} hook messages`, { sessionID: input.sessionID, contentLength: hookContent.length, isFirstMessage })
+
+          if (isFirstMessage) {
+            const idx = output.parts.findIndex((p) => p.type === "text" && p.text)
+            if (idx >= 0) {
+              output.parts[idx].text = `${hookContent}\n\n${output.parts[idx].text ?? ""}`
+              log("UserPromptSubmit hooks prepended to first message parts directly", { sessionID: input.sessionID })
+            }
+          } else {
+            const message = output.message as {
+              agent?: string
+              model?: { modelID?: string; providerID?: string }
+              path?: { cwd?: string; root?: string }
+              tools?: Record<string, boolean>
+            }
+
+            const success = injectHookMessage(input.sessionID, hookContent, {
+              agent: message.agent,
+              model: message.model,
+              path: message.path ?? { cwd: ctx.directory, root: "/" },
+              tools: message.tools,
+            })
+
+            log(success ? "Hook message injected via file system" : "File injection failed", {
+              sessionID: input.sessionID,
+            })
           }
-
-          const success = injectHookMessage(input.sessionID, hookContent, {
-            agent: message.agent,
-            model: message.model,
-            path: message.path ?? { cwd: ctx.directory, root: "/" },
-            tools: message.tools,
-          })
-
-          log(success ? "Hook message injected via file system" : "File injection failed", {
-            sessionID: input.sessionID,
-          })
         }
       }
     },

src/hooks/comment-checker/cli.ts

@@ -23,6 +23,19 @@ function getBinaryName(): string {
 function findCommentCheckerPathSync(): string | null {
   const binaryName = getBinaryName()
 
+  // Check cached binary first (safest path - no module resolution needed)
+  const cachedPath = getCachedBinaryPath()
+  if (cachedPath) {
+    debugLog("found binary in cache:", cachedPath)
+    return cachedPath
+  }
+
+  // Guard against undefined import.meta.url (can happen on Windows during plugin loading)
+  if (!import.meta.url) {
+    debugLog("import.meta.url is undefined, skipping package resolution")
+    return null
+  }
+
   try {
     const require = createRequire(import.meta.url)
     const cliPkgPath = require.resolve("@code-yeongyu/comment-checker/package.json")
@@ -33,14 +46,8 @@ function findCommentCheckerPathSync(): string | null {
       debugLog("found binary in main package:", binaryPath)
       return binaryPath
     }
-  } catch {
-    debugLog("main package not installed")
-  }
-
-  const cachedPath = getCachedBinaryPath()
-  if (cachedPath) {
-    debugLog("found binary in cache:", cachedPath)
-    return cachedPath
+  } catch (err) {
+    debugLog("main package not installed or resolution failed:", err)
   }
 
   debugLog("no binary found in known locations")

src/hooks/comment-checker/downloader.ts

@@ -32,9 +32,16 @@ const PLATFORM_MAP: Record<string, PlatformInfo> = {
 
 /**
  * Get the cache directory for oh-my-opencode binaries.
- * Follows XDG Base Directory Specification.
+ * On Windows: Uses %LOCALAPPDATA% or %APPDATA% (Windows conventions)
+ * On Unix: Follows XDG Base Directory Specification
  */
 export function getCacheDir(): string {
+  if (process.platform === "win32") {
+    const localAppData = process.env.LOCALAPPDATA || process.env.APPDATA
+    const base = localAppData || join(homedir(), "AppData", "Local")
+    return join(base, "oh-my-opencode", "bin")
+  }
+
   const xdgCache = process.env.XDG_CACHE_HOME
   const base = xdgCache || join(homedir(), ".cache")
   return join(base, "oh-my-opencode", "bin")

src/hooks/directory-agents-injector/index.ts

@@ -60,12 +60,17 @@ export function createDirectoryAgentsInjectorHook(ctx: PluginInput) {
     let current = startDir;
 
     while (true) {
-      const agentsPath = join(current, AGENTS_FILENAME);
-      if (existsSync(agentsPath)) {
-        found.push(agentsPath);
+      // Skip root AGENTS.md - OpenCode's system.ts already loads it via custom()
+      // See: https://github.com/code-yeongyu/oh-my-opencode/issues/379
+      const isRootDir = current === ctx.directory;
+      if (!isRootDir) {
+        const agentsPath = join(current, AGENTS_FILENAME);
+        if (existsSync(agentsPath)) {
+          found.push(agentsPath);
+        }
       }
 
-      if (current === ctx.directory) break;
+      if (isRootDir) break;
       const parent = dirname(current);
       if (parent === current) break;
       if (!parent.startsWith(ctx.directory)) break;

src/hooks/edit-error-recovery/index.test.ts

@@ -0,0 +1,126 @@
+import { describe, it, expect, beforeEach } from "bun:test"
+import { createEditErrorRecoveryHook, EDIT_ERROR_REMINDER, EDIT_ERROR_PATTERNS } from "./index"
+
+describe("createEditErrorRecoveryHook", () => {
+  let hook: ReturnType<typeof createEditErrorRecoveryHook>
+
+  beforeEach(() => {
+    hook = createEditErrorRecoveryHook({} as any)
+  })
+
+  describe("tool.execute.after", () => {
+    const createInput = (tool: string) => ({
+      tool,
+      sessionID: "test-session",
+      callID: "test-call-id",
+    })
+
+    const createOutput = (outputText: string) => ({
+      title: "Edit",
+      output: outputText,
+      metadata: {},
+    })
+
+    describe("#given Edit tool with oldString/newString same error", () => {
+      describe("#when the error message is detected", () => {
+        it("#then should append the recovery reminder", async () => {
+          const input = createInput("Edit")
+          const output = createOutput("Error: oldString and newString must be different")
+
+          await hook["tool.execute.after"](input, output)
+
+          expect(output.output).toContain(EDIT_ERROR_REMINDER)
+          expect(output.output).toContain("oldString and newString must be different")
+        })
+      })
+
+      describe("#when the error appears without Error prefix", () => {
+        it("#then should still detect and append reminder", async () => {
+          const input = createInput("Edit")
+          const output = createOutput("oldString and newString must be different")
+
+          await hook["tool.execute.after"](input, output)
+
+          expect(output.output).toContain(EDIT_ERROR_REMINDER)
+        })
+      })
+    })
+
+    describe("#given Edit tool with oldString not found error", () => {
+      describe("#when oldString not found in content", () => {
+        it("#then should append the recovery reminder", async () => {
+          const input = createInput("Edit")
+          const output = createOutput("Error: oldString not found in content")
+
+          await hook["tool.execute.after"](input, output)
+
+          expect(output.output).toContain(EDIT_ERROR_REMINDER)
+        })
+      })
+    })
+
+    describe("#given Edit tool with multiple matches error", () => {
+      describe("#when oldString found multiple times", () => {
+        it("#then should append the recovery reminder", async () => {
+          const input = createInput("Edit")
+          const output = createOutput(
+            "Error: oldString found multiple times and requires more code context to uniquely identify the intended match"
+          )
+
+          await hook["tool.execute.after"](input, output)
+
+          expect(output.output).toContain(EDIT_ERROR_REMINDER)
+        })
+      })
+    })
+
+    describe("#given non-Edit tool", () => {
+      describe("#when tool is not Edit", () => {
+        it("#then should not modify output", async () => {
+          const input = createInput("Read")
+          const originalOutput = "some output"
+          const output = createOutput(originalOutput)
+
+          await hook["tool.execute.after"](input, output)
+
+          expect(output.output).toBe(originalOutput)
+        })
+      })
+    })
+
+    describe("#given Edit tool with successful output", () => {
+      describe("#when no error in output", () => {
+        it("#then should not modify output", async () => {
+          const input = createInput("Edit")
+          const originalOutput = "File edited successfully"
+          const output = createOutput(originalOutput)
+
+          await hook["tool.execute.after"](input, output)
+
+          expect(output.output).toBe(originalOutput)
+        })
+      })
+    })
+
+    describe("#given case insensitive tool name", () => {
+      describe("#when tool is 'edit' lowercase", () => {
+        it("#then should still detect and append reminder", async () => {
+          const input = createInput("edit")
+          const output = createOutput("oldString and newString must be different")
+
+          await hook["tool.execute.after"](input, output)
+
+          expect(output.output).toContain(EDIT_ERROR_REMINDER)
+        })
+      })
+    })
+  })
+
+  describe("EDIT_ERROR_PATTERNS", () => {
+    it("#then should contain all known Edit error patterns", () => {
+      expect(EDIT_ERROR_PATTERNS).toContain("oldString and newString must be different")
+      expect(EDIT_ERROR_PATTERNS).toContain("oldString not found")
+      expect(EDIT_ERROR_PATTERNS).toContain("oldString found multiple times")
+    })
+  })
+})

src/hooks/edit-error-recovery/index.ts

@@ -0,0 +1,57 @@
+import type { PluginInput } from "@opencode-ai/plugin"
+
+/**
+ * Known Edit tool error patterns that indicate the AI made a mistake
+ */
+export const EDIT_ERROR_PATTERNS = [
+  "oldString and newString must be different",
+  "oldString not found",
+  "oldString found multiple times",
+] as const
+
+/**
+ * System reminder injected when Edit tool fails due to AI mistake
+ * Short, direct, and commanding - forces immediate corrective action
+ */
+export const EDIT_ERROR_REMINDER = `
+[EDIT ERROR - IMMEDIATE ACTION REQUIRED]
+
+You made an Edit mistake. STOP and do this NOW:
+
+1. READ the file immediately to see its ACTUAL current state
+2. VERIFY what the content really looks like (your assumption was wrong)
+3. APOLOGIZE briefly to the user for the error
+4. CONTINUE with corrected action based on the real file content
+
+DO NOT attempt another edit until you've read and verified the file state.
+`
+
+/**
+ * Detects Edit tool errors caused by AI mistakes and injects a recovery reminder
+ *
+ * This hook catches common Edit tool failures:
+ * - oldString and newString must be different (trying to "edit" to same content)
+ * - oldString not found (wrong assumption about file content)
+ * - oldString found multiple times (ambiguous match, need more context)
+ *
+ * @see https://github.com/sst/opencode/issues/4718
+ */
+export function createEditErrorRecoveryHook(_ctx: PluginInput) {
+  return {
+    "tool.execute.after": async (
+      input: { tool: string; sessionID: string; callID: string },
+      output: { title: string; output: string; metadata: unknown }
+    ) => {
+      if (input.tool.toLowerCase() !== "edit") return
+
+      const outputLower = output.output.toLowerCase()
+      const hasEditError = EDIT_ERROR_PATTERNS.some((pattern) =>
+        outputLower.includes(pattern.toLowerCase())
+      )
+
+      if (hasEditError) {
+        output.output += `\n${EDIT_ERROR_REMINDER}`
+      }
+    },
+  }
+}

src/hooks/index.ts

@@ -23,3 +23,5 @@ export { createInteractiveBashSessionHook } from "./interactive-bash-session";
 export { createEmptyMessageSanitizerHook } from "./empty-message-sanitizer";
 export { createThinkingBlockValidatorHook } from "./thinking-block-validator";
 export { createRalphLoopHook, type RalphLoopHook } from "./ralph-loop";
+export { createAutoSlashCommandHook } from "./auto-slash-command";
+export { createEditErrorRecoveryHook } from "./edit-error-recovery";

src/hooks/keyword-detector/constants.ts

@@ -4,7 +4,7 @@ export const INLINE_CODE_PATTERN = /`[^`]+`/g
 export const KEYWORD_DETECTORS: Array<{ pattern: RegExp; message: string }> = [
   // ULTRAWORK: ulw, ultrawork
   {
-    pattern: /\b(ultrawork|ulw)\b/i,
+    pattern: /(ultrawork|ulw)/i,
     message: `<ultrawork-mode>
 [CODE RED] Maximum precision required. Ultrathink before acting.
 

src/hooks/keyword-detector/detector.ts

@@ -4,6 +4,11 @@ import {
   INLINE_CODE_PATTERN,
 } from "./constants"
 
+export interface DetectedKeyword {
+  type: "ultrawork" | "search" | "analyze"
+  message: string
+}
+
 export function removeCodeBlocks(text: string): string {
   return text.replace(CODE_BLOCK_PATTERN, "").replace(INLINE_CODE_PATTERN, "")
 }
@@ -15,6 +20,18 @@ export function detectKeywords(text: string): string[] {
   ).map(({ message }) => message)
 }
 
+export function detectKeywordsWithType(text: string): DetectedKeyword[] {
+  const textWithoutCode = removeCodeBlocks(text)
+  const types: Array<"ultrawork" | "search" | "analyze"> = ["ultrawork", "search", "analyze"]
+  return KEYWORD_DETECTORS.map(({ pattern, message }, index) => ({
+    matches: pattern.test(textWithoutCode),
+    type: types[index],
+    message,
+  }))
+    .filter((result) => result.matches)
+    .map(({ type, message }) => ({ type, message }))
+}
+
 export function extractPromptText(
   parts: Array<{ type: string; text?: string }>
 ): string {

src/hooks/keyword-detector/index.ts

@@ -1,4 +1,5 @@
-import { detectKeywords, extractPromptText } from "./detector"
+import type { PluginInput } from "@opencode-ai/plugin"
+import { detectKeywordsWithType, extractPromptText } from "./detector"
 import { log } from "../../shared"
 import { injectHookMessage } from "../../features/hook-message-injector"
 
@@ -7,8 +8,9 @@ export * from "./constants"
 export * from "./types"
 
 const sessionFirstMessageProcessed = new Set<string>()
+const sessionUltraworkNotified = new Set<string>()
 
-export function createKeywordDetectorHook() {
+export function createKeywordDetectorHook(ctx: PluginInput) {
   return {
     "chat.message": async (
       input: {
@@ -26,12 +28,28 @@ export function createKeywordDetectorHook() {
       sessionFirstMessageProcessed.add(input.sessionID)
 
       const promptText = extractPromptText(output.parts)
-      const messages = detectKeywords(promptText)
+      const detectedKeywords = detectKeywordsWithType(promptText)
+      const messages = detectedKeywords.map((k) => k.message)
 
       if (messages.length === 0) {
         return
       }
 
+      const hasUltrawork = detectedKeywords.some((k) => k.type === "ultrawork")
+      if (hasUltrawork && !sessionUltraworkNotified.has(input.sessionID)) {
+        sessionUltraworkNotified.add(input.sessionID)
+        log(`[keyword-detector] Ultrawork mode activated`, { sessionID: input.sessionID })
+        
+        ctx.client.tui.showToast({
+          body: {
+            title: "Ultrawork Mode Activated",
+            message: "Maximum precision engaged. All agents at your disposal.",
+            variant: "success" as const,
+            duration: 3000,
+          },
+        }).catch((err) => log(`[keyword-detector] Failed to show toast`, { error: err, sessionID: input.sessionID }))
+      }
+
       const context = messages.join("\n")
 
       // First message: transform parts directly (for title generation compatibility)

src/hooks/non-interactive-env/constants.ts

@@ -7,10 +7,11 @@ export const NON_INTERACTIVE_ENV: Record<string, string> = {
   GCM_INTERACTIVE: "never",
   HOMEBREW_NO_AUTO_UPDATE: "1",
   // Block interactive editors - git rebase, commit, etc.
-  GIT_EDITOR: "true",
-  EDITOR: "true",
-  VISUAL: "true",
-  GIT_SEQUENCE_EDITOR: "true",
+  GIT_EDITOR: ":",
+  EDITOR: ":",
+  VISUAL: "",
+  GIT_SEQUENCE_EDITOR: ":",
+  GIT_MERGE_AUTOEDIT: "no",
   // Block pagers
   GIT_PAGER: "cat",
   PAGER: "cat",

src/hooks/non-interactive-env/index.test.ts

@@ -0,0 +1,133 @@
+import { describe, test, expect } from "bun:test"
+import { createNonInteractiveEnvHook, NON_INTERACTIVE_ENV } from "./index"
+
+describe("non-interactive-env hook", () => {
+  const mockCtx = {} as Parameters<typeof createNonInteractiveEnvHook>[0]
+
+  describe("git command modification", () => {
+    test("#given git command #when hook executes #then prepends env vars", async () => {
+      const hook = createNonInteractiveEnvHook(mockCtx)
+      const output: { args: Record<string, unknown>; message?: string } = {
+        args: { command: "git commit -m 'test'" },
+      }
+
+      await hook["tool.execute.before"](
+        { tool: "bash", sessionID: "test", callID: "1" },
+        output
+      )
+
+      const cmd = output.args.command as string
+      expect(cmd).toContain("GIT_EDITOR=:")
+      expect(cmd).toContain("EDITOR=:")
+      expect(cmd).toContain("PAGER=cat")
+      expect(cmd).toEndWith(" git commit -m 'test'")
+    })
+
+    test("#given non-git bash command #when hook executes #then command unchanged", async () => {
+      const hook = createNonInteractiveEnvHook(mockCtx)
+      const output: { args: Record<string, unknown>; message?: string } = {
+        args: { command: "ls -la" },
+      }
+
+      await hook["tool.execute.before"](
+        { tool: "bash", sessionID: "test", callID: "1" },
+        output
+      )
+
+      expect(output.args.command).toBe("ls -la")
+    })
+
+    test("#given non-bash tool #when hook executes #then command unchanged", async () => {
+      const hook = createNonInteractiveEnvHook(mockCtx)
+      const output: { args: Record<string, unknown>; message?: string } = {
+        args: { command: "git status" },
+      }
+
+      await hook["tool.execute.before"](
+        { tool: "Read", sessionID: "test", callID: "1" },
+        output
+      )
+
+      expect(output.args.command).toBe("git status")
+    })
+
+    test("#given empty command #when hook executes #then no error", async () => {
+      const hook = createNonInteractiveEnvHook(mockCtx)
+      const output: { args: Record<string, unknown>; message?: string } = {
+        args: {},
+      }
+
+      await hook["tool.execute.before"](
+        { tool: "bash", sessionID: "test", callID: "1" },
+        output
+      )
+
+      expect(output.args.command).toBeUndefined()
+    })
+  })
+
+  describe("shell escaping", () => {
+    test("#given git command #when building prefix #then VISUAL properly escaped", async () => {
+      const hook = createNonInteractiveEnvHook(mockCtx)
+      const output: { args: Record<string, unknown>; message?: string } = {
+        args: { command: "git status" },
+      }
+
+      await hook["tool.execute.before"](
+        { tool: "bash", sessionID: "test", callID: "1" },
+        output
+      )
+
+      const cmd = output.args.command as string
+      expect(cmd).toContain("VISUAL=''")
+    })
+
+    test("#given git command #when building prefix #then all NON_INTERACTIVE_ENV vars included", async () => {
+      const hook = createNonInteractiveEnvHook(mockCtx)
+      const output: { args: Record<string, unknown>; message?: string } = {
+        args: { command: "git log" },
+      }
+
+      await hook["tool.execute.before"](
+        { tool: "bash", sessionID: "test", callID: "1" },
+        output
+      )
+
+      const cmd = output.args.command as string
+      for (const key of Object.keys(NON_INTERACTIVE_ENV)) {
+        expect(cmd).toContain(`${key}=`)
+      }
+    })
+  })
+
+  describe("banned command detection", () => {
+    test("#given vim command #when hook executes #then warning message set", async () => {
+      const hook = createNonInteractiveEnvHook(mockCtx)
+      const output: { args: Record<string, unknown>; message?: string } = {
+        args: { command: "vim file.txt" },
+      }
+
+      await hook["tool.execute.before"](
+        { tool: "bash", sessionID: "test", callID: "1" },
+        output
+      )
+
+      expect(output.message).toContain("vim")
+      expect(output.message).toContain("interactive")
+    })
+
+    test("#given safe command #when hook executes #then no warning", async () => {
+      const hook = createNonInteractiveEnvHook(mockCtx)
+      const output: { args: Record<string, unknown>; message?: string } = {
+        args: { command: "ls -la" },
+      }
+
+      await hook["tool.execute.before"](
+        { tool: "bash", sessionID: "test", callID: "1" },
+        output
+      )
+
+      expect(output.message).toBeUndefined()
+    })
+  })
+})

src/hooks/non-interactive-env/index.ts

@@ -19,6 +19,33 @@ function detectBannedCommand(command: string): string | undefined {
   return undefined
 }
 
+/**
+ * Shell-escape a value for use in VAR=value prefix.
+ * Wraps in single quotes if contains special chars.
+ */
+function shellEscape(value: string): string {
+  // Empty string needs quotes
+  if (value === "") return "''"
+  // If contains special chars, wrap in single quotes (escape existing single quotes)
+  if (/[^a-zA-Z0-9_\-.:\/]/.test(value)) {
+    return `'${value.replace(/'/g, "'\\''")}'`
+  }
+  return value
+}
+
+/**
+ * Build env prefix string with line continuation for readability:
+ * VAR1=val1 \
+ * VAR2=val2 \
+ * ...
+ * OpenCode's bash tool ignores args.env, so we must prepend to command.
+ */
+function buildEnvPrefix(env: Record<string, string>): string {
+  return Object.entries(env)
+    .map(([key, value]) => `${key}=${shellEscape(value)}`)
+    .join(" \\\n")
+}
+
 export function createNonInteractiveEnvHook(_ctx: PluginInput) {
   return {
     "tool.execute.before": async (
@@ -34,19 +61,25 @@ export function createNonInteractiveEnvHook(_ctx: PluginInput) {
         return
       }
 
-      output.args.env = {
-        ...(output.args.env as Record<string, string> | undefined),
-        ...NON_INTERACTIVE_ENV,
-      }
-
       const bannedCmd = detectBannedCommand(command)
       if (bannedCmd) {
         output.message = `⚠️ Warning: '${bannedCmd}' is an interactive command that may hang in non-interactive environments.`
       }
 
-      log(`[${HOOK_NAME}] Set non-interactive environment variables`, {
+      // Only prepend env vars for git commands (editor blocking, pager, etc.)
+      const isGitCommand = /\bgit\b/.test(command)
+      if (!isGitCommand) {
+        return
+      }
+
+      // OpenCode's bash tool uses hardcoded `...process.env` in spawn(),
+      // ignoring any args.env we might set. Prepend to command instead.
+      const envPrefix = buildEnvPrefix(NON_INTERACTIVE_ENV)
+      output.args.command = `${envPrefix} ${command}`
+
+      log(`[${HOOK_NAME}] Prepended non-interactive env vars to git command`, {
         sessionID: input.sessionID,
-        env: NON_INTERACTIVE_ENV,
+        envPrefix,
       })
     },
   }

src/hooks/preemptive-compaction/index.ts

@@ -82,10 +82,12 @@ export function createPreemptiveCompactionHook(
   const experimental = options?.experimental
   const onBeforeSummarize = options?.onBeforeSummarize
   const getModelLimit = options?.getModelLimit
-  const enabled = experimental?.preemptive_compaction !== false
+  // Preemptive compaction is now enabled by default.
+  // Backward compatibility: explicit false in experimental config disables the hook.
+  const explicitlyDisabled = experimental?.preemptive_compaction === false
   const threshold = experimental?.preemptive_compaction_threshold ?? DEFAULT_THRESHOLD
 
-  if (!enabled) {
+  if (explicitlyDisabled) {
     return { event: async () => {} }
   }
 

src/hooks/ralph-loop/index.test.ts

@@ -10,6 +10,8 @@ describe("ralph-loop", () => {
   const TEST_DIR = join(tmpdir(), "ralph-loop-test-" + Date.now())
   let promptCalls: Array<{ sessionID: string; text: string }>
   let toastCalls: Array<{ title: string; message: string; variant: string }>
+  let messagesCalls: Array<{ sessionID: string }>
+  let mockSessionMessages: Array<{ info?: { role?: string }; parts?: Array<{ type: string; text?: string }> }>
 
   function createMockPluginInput() {
     return {
@@ -22,6 +24,10 @@ describe("ralph-loop", () => {
             })
             return {}
           },
+          messages: async (opts: { path: { id: string } }) => {
+            messagesCalls.push({ sessionID: opts.path.id })
+            return { data: mockSessionMessages }
+          },
         },
         tui: {
           showToast: async (opts: { body: { title: string; message: string; variant: string } }) => {
@@ -35,12 +41,14 @@ describe("ralph-loop", () => {
         },
       },
       directory: TEST_DIR,
-    } as Parameters<typeof createRalphLoopHook>[0]
+    } as unknown as Parameters<typeof createRalphLoopHook>[0]
   }
 
   beforeEach(() => {
     promptCalls = []
     toastCalls = []
+    messagesCalls = []
+    mockSessionMessages = []
 
     if (!existsSync(TEST_DIR)) {
       mkdirSync(TEST_DIR, { recursive: true })
@@ -329,17 +337,19 @@ describe("ralph-loop", () => {
 
     test("should detect completion promise and stop loop", async () => {
       // #given - active loop with transcript containing completion
-      const hook = createRalphLoopHook(createMockPluginInput())
+      const transcriptPath = join(TEST_DIR, "transcript.jsonl")
+      const hook = createRalphLoopHook(createMockPluginInput(), {
+        getTranscriptPath: () => transcriptPath,
+      })
       hook.startLoop("session-123", "Build something", { completionPromise: "COMPLETE" })
 
-      const transcriptPath = join(TEST_DIR, "transcript.jsonl")
       writeFileSync(transcriptPath, JSON.stringify({ content: "Task done <promise>COMPLETE</promise>" }))
 
-      // #when - session goes idle with transcript
+      // #when - session goes idle (transcriptPath now derived from sessionID via getTranscriptPath)
       await hook.event({
         event: {
           type: "session.idle",
-          properties: { sessionID: "session-123", transcriptPath },
+          properties: { sessionID: "session-123" },
         },
       })
 
@@ -349,6 +359,35 @@ describe("ralph-loop", () => {
       expect(hook.getState()).toBeNull()
     })
 
+    test("should detect completion promise via session messages API", async () => {
+      // #given - active loop with assistant message containing completion promise
+      mockSessionMessages = [
+        { info: { role: "user" }, parts: [{ type: "text", text: "Build something" }] },
+        { info: { role: "assistant" }, parts: [{ type: "text", text: "I have completed the task. <promise>API_DONE</promise>" }] },
+      ]
+      const hook = createRalphLoopHook(createMockPluginInput(), {
+        getTranscriptPath: () => join(TEST_DIR, "nonexistent.jsonl"),
+      })
+      hook.startLoop("session-123", "Build something", { completionPromise: "API_DONE" })
+
+      // #when - session goes idle
+      await hook.event({
+        event: {
+          type: "session.idle",
+          properties: { sessionID: "session-123" },
+        },
+      })
+
+      // #then - loop completed via API detection, no continuation
+      expect(promptCalls.length).toBe(0)
+      expect(toastCalls.some((t) => t.title === "Ralph Loop Complete!")).toBe(true)
+      expect(hook.getState()).toBeNull()
+
+      // #then - messages API was called with correct session ID
+      expect(messagesCalls.length).toBe(1)
+      expect(messagesCalls[0].sessionID).toBe("session-123")
+    })
+
     test("should handle multiple iterations correctly", async () => {
       // #given - active loop
       const hook = createRalphLoopHook(createMockPluginInput())
@@ -384,5 +423,162 @@ describe("ralph-loop", () => {
       expect(promptCalls[0].text).toContain("Create a calculator app")
       expect(promptCalls[0].text).toContain("<promise>CALCULATOR_DONE</promise>")
     })
+
+    test("should clear loop state on user abort (MessageAbortedError)", async () => {
+      // #given - active loop
+      const hook = createRalphLoopHook(createMockPluginInput())
+      hook.startLoop("session-123", "Build something")
+      expect(hook.getState()).not.toBeNull()
+
+      // #when - user aborts (Ctrl+C)
+      await hook.event({
+        event: {
+          type: "session.error",
+          properties: {
+            sessionID: "session-123",
+            error: { name: "MessageAbortedError", message: "User aborted" },
+          },
+        },
+      })
+
+      // #then - loop state should be cleared immediately
+      expect(hook.getState()).toBeNull()
+    })
+
+    test("should NOT set recovery mode on user abort", async () => {
+      // #given - active loop
+      const hook = createRalphLoopHook(createMockPluginInput())
+      hook.startLoop("session-123", "Build something")
+
+      // #when - user aborts (Ctrl+C)
+      await hook.event({
+        event: {
+          type: "session.error",
+          properties: {
+            sessionID: "session-123",
+            error: { name: "MessageAbortedError" },
+          },
+        },
+      })
+
+      // Start a new loop
+      hook.startLoop("session-123", "New task")
+
+      // #when - session goes idle immediately (should work, no recovery mode)
+      await hook.event({
+        event: { type: "session.idle", properties: { sessionID: "session-123" } },
+      })
+
+      // #then - continuation should be injected (not blocked by recovery)
+      expect(promptCalls.length).toBe(1)
+    })
+
+    test("should only check LAST assistant message for completion", async () => {
+      // #given - multiple assistant messages, only first has completion promise
+      mockSessionMessages = [
+        { info: { role: "user" }, parts: [{ type: "text", text: "Start task" }] },
+        { info: { role: "assistant" }, parts: [{ type: "text", text: "I'll work on it. <promise>DONE</promise>" }] },
+        { info: { role: "user" }, parts: [{ type: "text", text: "Continue" }] },
+        { info: { role: "assistant" }, parts: [{ type: "text", text: "Working on more features..." }] },
+      ]
+      const hook = createRalphLoopHook(createMockPluginInput(), {
+        getTranscriptPath: () => join(TEST_DIR, "nonexistent.jsonl"),
+      })
+      hook.startLoop("session-123", "Build something", { completionPromise: "DONE" })
+
+      // #when - session goes idle
+      await hook.event({
+        event: { type: "session.idle", properties: { sessionID: "session-123" } },
+      })
+
+      // #then - loop should continue (last message has no completion promise)
+      expect(promptCalls.length).toBe(1)
+      expect(hook.getState()?.iteration).toBe(2)
+    })
+
+    test("should detect completion only in LAST assistant message", async () => {
+      // #given - last assistant message has completion promise
+      mockSessionMessages = [
+        { info: { role: "user" }, parts: [{ type: "text", text: "Start task" }] },
+        { info: { role: "assistant" }, parts: [{ type: "text", text: "Starting work..." }] },
+        { info: { role: "user" }, parts: [{ type: "text", text: "Continue" }] },
+        { info: { role: "assistant" }, parts: [{ type: "text", text: "Task complete! <promise>DONE</promise>" }] },
+      ]
+      const hook = createRalphLoopHook(createMockPluginInput(), {
+        getTranscriptPath: () => join(TEST_DIR, "nonexistent.jsonl"),
+      })
+      hook.startLoop("session-123", "Build something", { completionPromise: "DONE" })
+
+      // #when - session goes idle
+      await hook.event({
+        event: { type: "session.idle", properties: { sessionID: "session-123" } },
+      })
+
+      // #then - loop should complete (last message has completion promise)
+      expect(promptCalls.length).toBe(0)
+      expect(toastCalls.some((t) => t.title === "Ralph Loop Complete!")).toBe(true)
+      expect(hook.getState()).toBeNull()
+    })
+
+    test("should check transcript BEFORE API to optimize performance", async () => {
+      // #given - transcript has completion promise
+      const transcriptPath = join(TEST_DIR, "transcript.jsonl")
+      writeFileSync(transcriptPath, JSON.stringify({ content: "<promise>DONE</promise>" }))
+      mockSessionMessages = [
+        { info: { role: "assistant" }, parts: [{ type: "text", text: "No promise here" }] },
+      ]
+      const hook = createRalphLoopHook(createMockPluginInput(), {
+        getTranscriptPath: () => transcriptPath,
+      })
+      hook.startLoop("session-123", "Build something", { completionPromise: "DONE" })
+
+      // #when - session goes idle
+      await hook.event({
+        event: { type: "session.idle", properties: { sessionID: "session-123" } },
+      })
+
+      // #then - should complete via transcript (API not called when transcript succeeds)
+      expect(promptCalls.length).toBe(0)
+      expect(hook.getState()).toBeNull()
+      // API should NOT be called since transcript found completion
+      expect(messagesCalls.length).toBe(0)
+    })
+  })
+
+  describe("API timeout protection", () => {
+    test("should not hang when session.messages() times out", async () => {
+      // #given - slow API that takes longer than timeout
+      const slowMock = {
+        ...createMockPluginInput(),
+        client: {
+          ...createMockPluginInput().client,
+          session: {
+            ...createMockPluginInput().client.session,
+            messages: async () => {
+              // Simulate slow API (would hang without timeout)
+              await new Promise((resolve) => setTimeout(resolve, 10000))
+              return { data: [] }
+            },
+          },
+        },
+      }
+      const hook = createRalphLoopHook(slowMock as any, {
+        getTranscriptPath: () => join(TEST_DIR, "nonexistent.jsonl"),
+        apiTimeout: 100, // 100ms timeout for test
+      })
+      hook.startLoop("session-123", "Build something")
+
+      // #when - session goes idle (API will timeout)
+      const startTime = Date.now()
+      await hook.event({
+        event: { type: "session.idle", properties: { sessionID: "session-123" } },
+      })
+      const elapsed = Date.now() - startTime
+
+      // #then - should complete within timeout + buffer (not hang for 10s)
+      expect(elapsed).toBeLessThan(500)
+      // #then - loop should continue (API timeout = no completion detected)
+      expect(promptCalls.length).toBe(1)
+    })
   })
 })

src/hooks/ralph-loop/index.ts

@@ -8,6 +8,7 @@ import {
   DEFAULT_COMPLETION_PROMISE,
 } from "./constants"
 import type { RalphLoopState, RalphLoopOptions } from "./types"
+import { getTranscriptPath as getDefaultTranscriptPath } from "../claude-code-hooks/transcript"
 
 export * from "./types"
 export * from "./constants"
@@ -17,6 +18,17 @@ interface SessionState {
   isRecovering?: boolean
 }
 
+interface OpenCodeSessionMessage {
+  info?: {
+    role?: string
+  }
+  parts?: Array<{
+    type: string
+    text?: string
+    [key: string]: unknown
+  }>
+}
+
 const CONTINUATION_PROMPT = `[RALPH LOOP - ITERATION {{ITERATION}}/{{MAX}}]
 
 Your previous attempt did not output the completion promise. Continue working on the task.
@@ -41,6 +53,8 @@ export interface RalphLoopHook {
   getState: () => RalphLoopState | null
 }
 
+const DEFAULT_API_TIMEOUT = 3000
+
 export function createRalphLoopHook(
   ctx: PluginInput,
   options?: RalphLoopOptions
@@ -48,6 +62,8 @@ export function createRalphLoopHook(
   const sessions = new Map<string, SessionState>()
   const config = options?.config
   const stateDir = config?.state_dir
+  const getTranscriptPath = options?.getTranscriptPath ?? getDefaultTranscriptPath
+  const apiTimeout = options?.apiTimeout ?? DEFAULT_API_TIMEOUT
 
   function getSessionState(sessionID: string): SessionState {
     let state = sessions.get(sessionID)
@@ -79,6 +95,43 @@ export function createRalphLoopHook(
     return str.replace(/[.*+?^${}()|[\]\\]/g, "\\$&")
   }
 
+  async function detectCompletionInSessionMessages(
+    sessionID: string,
+    promise: string
+  ): Promise<boolean> {
+    try {
+      const response = await Promise.race([
+        ctx.client.session.messages({
+          path: { id: sessionID },
+          query: { directory: ctx.directory },
+        }),
+        new Promise<never>((_, reject) =>
+          setTimeout(() => reject(new Error("API timeout")), apiTimeout)
+        ),
+      ])
+
+      const messages = (response as { data?: unknown[] }).data ?? []
+      if (!Array.isArray(messages)) return false
+
+      const assistantMessages = (messages as OpenCodeSessionMessage[]).filter(
+        (msg) => msg.info?.role === "assistant"
+      )
+      const lastAssistant = assistantMessages[assistantMessages.length - 1]
+      if (!lastAssistant?.parts) return false
+
+      const pattern = new RegExp(`<promise>\\s*${escapeRegex(promise)}\\s*</promise>`, "is")
+      const responseText = lastAssistant.parts
+        .filter((p) => p.type === "text")
+        .map((p) => p.text ?? "")
+        .join("\n")
+
+      return pattern.test(responseText)
+    } catch (err) {
+      log(`[${HOOK_NAME}] Session messages check failed`, { sessionID, error: String(err) })
+      return false
+    }
+  }
+
   const startLoop = (
     sessionID: string,
     prompt: string,
@@ -149,13 +202,19 @@ export function createRalphLoopHook(
         return
       }
 
-      const transcriptPath = props?.transcriptPath as string | undefined
+      const transcriptPath = getTranscriptPath(sessionID)
+      const completionDetectedViaTranscript = detectCompletionPromise(transcriptPath, state.completion_promise)
 
-      if (detectCompletionPromise(transcriptPath, state.completion_promise)) {
+      const completionDetectedViaApi = completionDetectedViaTranscript
+        ? false
+        : await detectCompletionInSessionMessages(sessionID, state.completion_promise)
+
+      if (completionDetectedViaTranscript || completionDetectedViaApi) {
         log(`[${HOOK_NAME}] Completion detected!`, {
           sessionID,
           iteration: state.iteration,
           promise: state.completion_promise,
+          detectedVia: completionDetectedViaTranscript ? "transcript_file" : "session_messages_api",
         })
         clearState(ctx.directory, stateDir)
 
@@ -253,6 +312,20 @@ export function createRalphLoopHook(
 
     if (event.type === "session.error") {
       const sessionID = props?.sessionID as string | undefined
+      const error = props?.error as { name?: string } | undefined
+
+      if (error?.name === "MessageAbortedError") {
+        if (sessionID) {
+          const state = readState(ctx.directory, stateDir)
+          if (state?.session_id === sessionID) {
+            clearState(ctx.directory, stateDir)
+            log(`[${HOOK_NAME}] User aborted, loop cleared`, { sessionID })
+          }
+          sessions.delete(sessionID)
+        }
+        return
+      }
+
       if (sessionID) {
         const sessionState = getSessionState(sessionID)
         sessionState.isRecovering = true

src/hooks/ralph-loop/types.ts

@@ -12,4 +12,6 @@ export interface RalphLoopState {
 
 export interface RalphLoopOptions {
   config?: RalphLoopConfig
+  getTranscriptPath?: (sessionId: string) => string
+  apiTimeout?: number
 }

src/hooks/rules-injector/constants.ts

@@ -14,10 +14,17 @@ export const PROJECT_MARKERS = [
 ];
 
 export const PROJECT_RULE_SUBDIRS: [string, string][] = [
+  [".github", "instructions"],
   [".cursor", "rules"],
   [".claude", "rules"],
 ];
 
+export const PROJECT_RULE_FILES: string[] = [
+  ".github/copilot-instructions.md",
+];
+
+export const GITHUB_INSTRUCTIONS_PATTERN = /\.instructions\.md$/;
+
 export const USER_RULE_DIR = ".claude/rules";
 
 export const RULE_EXTENSIONS = [".md", ".mdc"];

src/hooks/rules-injector/finder.test.ts

@@ -0,0 +1,381 @@
+import { afterEach, beforeEach, describe, expect, it } from "bun:test";
+import { existsSync, mkdirSync, rmSync, writeFileSync } from "node:fs";
+import { tmpdir } from "node:os";
+import { join } from "node:path";
+import { findProjectRoot, findRuleFiles } from "./finder";
+
+describe("findRuleFiles", () => {
+  const TEST_DIR = join(tmpdir(), `rules-injector-test-${Date.now()}`);
+  const homeDir = join(TEST_DIR, "home");
+
+  beforeEach(() => {
+    mkdirSync(TEST_DIR, { recursive: true });
+    mkdirSync(homeDir, { recursive: true });
+    mkdirSync(join(TEST_DIR, ".git"), { recursive: true });
+  });
+
+  afterEach(() => {
+    if (existsSync(TEST_DIR)) {
+      rmSync(TEST_DIR, { recursive: true, force: true });
+    }
+  });
+
+  describe(".github/instructions/ discovery", () => {
+    it("should discover .github/instructions/*.instructions.md files", () => {
+      // #given .github/instructions/ with valid files
+      const instructionsDir = join(TEST_DIR, ".github", "instructions");
+      mkdirSync(instructionsDir, { recursive: true });
+      writeFileSync(
+        join(instructionsDir, "typescript.instructions.md"),
+        "TS rules"
+      );
+      writeFileSync(
+        join(instructionsDir, "python.instructions.md"),
+        "PY rules"
+      );
+
+      const srcDir = join(TEST_DIR, "src");
+      mkdirSync(srcDir, { recursive: true });
+      const currentFile = join(srcDir, "index.ts");
+      writeFileSync(currentFile, "code");
+
+      // #when finding rules for a file
+      const candidates = findRuleFiles(TEST_DIR, homeDir, currentFile);
+
+      // #then should find both instruction files
+      const paths = candidates.map((c) => c.path);
+      expect(
+        paths.some((p) => p.includes("typescript.instructions.md"))
+      ).toBe(true);
+      expect(paths.some((p) => p.includes("python.instructions.md"))).toBe(
+        true
+      );
+    });
+
+    it("should ignore non-.instructions.md files in .github/instructions/", () => {
+      // #given .github/instructions/ with invalid files
+      const instructionsDir = join(TEST_DIR, ".github", "instructions");
+      mkdirSync(instructionsDir, { recursive: true });
+      writeFileSync(
+        join(instructionsDir, "valid.instructions.md"),
+        "valid"
+      );
+      writeFileSync(join(instructionsDir, "invalid.md"), "invalid");
+      writeFileSync(join(instructionsDir, "readme.txt"), "readme");
+
+      const currentFile = join(TEST_DIR, "index.ts");
+      writeFileSync(currentFile, "code");
+
+      // #when finding rules
+      const candidates = findRuleFiles(TEST_DIR, homeDir, currentFile);
+
+      // #then should only find .instructions.md file
+      const paths = candidates.map((c) => c.path);
+      expect(paths.some((p) => p.includes("valid.instructions.md"))).toBe(
+        true
+      );
+      expect(paths.some((p) => p.endsWith("invalid.md"))).toBe(false);
+      expect(paths.some((p) => p.includes("readme.txt"))).toBe(false);
+    });
+
+    it("should discover nested .instructions.md files in subdirectories", () => {
+      // #given nested .github/instructions/ structure
+      const instructionsDir = join(TEST_DIR, ".github", "instructions");
+      const frontendDir = join(instructionsDir, "frontend");
+      mkdirSync(frontendDir, { recursive: true });
+      writeFileSync(
+        join(frontendDir, "react.instructions.md"),
+        "React rules"
+      );
+
+      const currentFile = join(TEST_DIR, "app.tsx");
+      writeFileSync(currentFile, "code");
+
+      // #when finding rules
+      const candidates = findRuleFiles(TEST_DIR, homeDir, currentFile);
+
+      // #then should find nested instruction file
+      const paths = candidates.map((c) => c.path);
+      expect(paths.some((p) => p.includes("react.instructions.md"))).toBe(
+        true
+      );
+    });
+  });
+
+  describe(".github/copilot-instructions.md (single file)", () => {
+    it("should discover copilot-instructions.md at project root", () => {
+      // #given .github/copilot-instructions.md at root
+      const githubDir = join(TEST_DIR, ".github");
+      mkdirSync(githubDir, { recursive: true });
+      writeFileSync(
+        join(githubDir, "copilot-instructions.md"),
+        "Global instructions"
+      );
+
+      const currentFile = join(TEST_DIR, "index.ts");
+      writeFileSync(currentFile, "code");
+
+      // #when finding rules
+      const candidates = findRuleFiles(TEST_DIR, homeDir, currentFile);
+
+      // #then should find the single file rule
+      const singleFile = candidates.find((c) =>
+        c.path.includes("copilot-instructions.md")
+      );
+      expect(singleFile).toBeDefined();
+      expect(singleFile?.isSingleFile).toBe(true);
+    });
+
+    it("should mark single file rules with isSingleFile: true", () => {
+      // #given copilot-instructions.md
+      const githubDir = join(TEST_DIR, ".github");
+      mkdirSync(githubDir, { recursive: true });
+      writeFileSync(
+        join(githubDir, "copilot-instructions.md"),
+        "Instructions"
+      );
+
+      const currentFile = join(TEST_DIR, "file.ts");
+      writeFileSync(currentFile, "code");
+
+      // #when finding rules
+      const candidates = findRuleFiles(TEST_DIR, homeDir, currentFile);
+
+      // #then isSingleFile should be true
+      const copilotFile = candidates.find((c) => c.isSingleFile);
+      expect(copilotFile).toBeDefined();
+      expect(copilotFile?.path).toContain("copilot-instructions.md");
+    });
+
+    it("should set distance to 0 for single file rules", () => {
+      // #given copilot-instructions.md at project root
+      const githubDir = join(TEST_DIR, ".github");
+      mkdirSync(githubDir, { recursive: true });
+      writeFileSync(
+        join(githubDir, "copilot-instructions.md"),
+        "Instructions"
+      );
+
+      const srcDir = join(TEST_DIR, "src", "deep", "nested");
+      mkdirSync(srcDir, { recursive: true });
+      const currentFile = join(srcDir, "file.ts");
+      writeFileSync(currentFile, "code");
+
+      // #when finding rules from deeply nested file
+      const candidates = findRuleFiles(TEST_DIR, homeDir, currentFile);
+
+      // #then single file should have distance 0
+      const copilotFile = candidates.find((c) => c.isSingleFile);
+      expect(copilotFile?.distance).toBe(0);
+    });
+  });
+
+  describe("backward compatibility", () => {
+    it("should still discover .claude/rules/ files", () => {
+      // #given .claude/rules/ directory
+      const rulesDir = join(TEST_DIR, ".claude", "rules");
+      mkdirSync(rulesDir, { recursive: true });
+      writeFileSync(join(rulesDir, "typescript.md"), "TS rules");
+
+      const currentFile = join(TEST_DIR, "index.ts");
+      writeFileSync(currentFile, "code");
+
+      // #when finding rules
+      const candidates = findRuleFiles(TEST_DIR, homeDir, currentFile);
+
+      // #then should find claude rules
+      const paths = candidates.map((c) => c.path);
+      expect(paths.some((p) => p.includes(".claude/rules/"))).toBe(true);
+    });
+
+    it("should still discover .cursor/rules/ files", () => {
+      // #given .cursor/rules/ directory
+      const rulesDir = join(TEST_DIR, ".cursor", "rules");
+      mkdirSync(rulesDir, { recursive: true });
+      writeFileSync(join(rulesDir, "python.md"), "PY rules");
+
+      const currentFile = join(TEST_DIR, "main.py");
+      writeFileSync(currentFile, "code");
+
+      // #when finding rules
+      const candidates = findRuleFiles(TEST_DIR, homeDir, currentFile);
+
+      // #then should find cursor rules
+      const paths = candidates.map((c) => c.path);
+      expect(paths.some((p) => p.includes(".cursor/rules/"))).toBe(true);
+    });
+
+    it("should discover .mdc files in rule directories", () => {
+      // #given .mdc file in .claude/rules/
+      const rulesDir = join(TEST_DIR, ".claude", "rules");
+      mkdirSync(rulesDir, { recursive: true });
+      writeFileSync(join(rulesDir, "advanced.mdc"), "MDC rules");
+
+      const currentFile = join(TEST_DIR, "app.ts");
+      writeFileSync(currentFile, "code");
+
+      // #when finding rules
+      const candidates = findRuleFiles(TEST_DIR, homeDir, currentFile);
+
+      // #then should find .mdc file
+      const paths = candidates.map((c) => c.path);
+      expect(paths.some((p) => p.endsWith("advanced.mdc"))).toBe(true);
+    });
+  });
+
+  describe("mixed sources", () => {
+    it("should discover rules from all sources", () => {
+      // #given rules in multiple directories
+      const claudeRules = join(TEST_DIR, ".claude", "rules");
+      const cursorRules = join(TEST_DIR, ".cursor", "rules");
+      const githubInstructions = join(TEST_DIR, ".github", "instructions");
+      const githubDir = join(TEST_DIR, ".github");
+
+      mkdirSync(claudeRules, { recursive: true });
+      mkdirSync(cursorRules, { recursive: true });
+      mkdirSync(githubInstructions, { recursive: true });
+
+      writeFileSync(join(claudeRules, "claude.md"), "claude");
+      writeFileSync(join(cursorRules, "cursor.md"), "cursor");
+      writeFileSync(
+        join(githubInstructions, "copilot.instructions.md"),
+        "copilot"
+      );
+      writeFileSync(join(githubDir, "copilot-instructions.md"), "global");
+
+      const currentFile = join(TEST_DIR, "index.ts");
+      writeFileSync(currentFile, "code");
+
+      // #when finding rules
+      const candidates = findRuleFiles(TEST_DIR, homeDir, currentFile);
+
+      // #then should find all rules
+      expect(candidates.length).toBeGreaterThanOrEqual(4);
+      const paths = candidates.map((c) => c.path);
+      expect(paths.some((p) => p.includes(".claude/rules/"))).toBe(true);
+      expect(paths.some((p) => p.includes(".cursor/rules/"))).toBe(true);
+      expect(paths.some((p) => p.includes(".github/instructions/"))).toBe(
+        true
+      );
+      expect(paths.some((p) => p.includes("copilot-instructions.md"))).toBe(
+        true
+      );
+    });
+
+    it("should not duplicate single file rules", () => {
+      // #given copilot-instructions.md
+      const githubDir = join(TEST_DIR, ".github");
+      mkdirSync(githubDir, { recursive: true });
+      writeFileSync(
+        join(githubDir, "copilot-instructions.md"),
+        "Instructions"
+      );
+
+      const currentFile = join(TEST_DIR, "file.ts");
+      writeFileSync(currentFile, "code");
+
+      // #when finding rules
+      const candidates = findRuleFiles(TEST_DIR, homeDir, currentFile);
+
+      // #then should only have one copilot-instructions.md entry
+      const copilotFiles = candidates.filter((c) =>
+        c.path.includes("copilot-instructions.md")
+      );
+      expect(copilotFiles.length).toBe(1);
+    });
+  });
+
+  describe("user-level rules", () => {
+    it("should discover user-level .claude/rules/ files", () => {
+      // #given user-level rules
+      const userRulesDir = join(homeDir, ".claude", "rules");
+      mkdirSync(userRulesDir, { recursive: true });
+      writeFileSync(join(userRulesDir, "global.md"), "Global user rules");
+
+      const currentFile = join(TEST_DIR, "app.ts");
+      writeFileSync(currentFile, "code");
+
+      // #when finding rules
+      const candidates = findRuleFiles(TEST_DIR, homeDir, currentFile);
+
+      // #then should find user-level rules
+      const userRule = candidates.find((c) => c.isGlobal);
+      expect(userRule).toBeDefined();
+      expect(userRule?.path).toContain("global.md");
+    });
+
+    it("should mark user-level rules as isGlobal: true", () => {
+      // #given user-level rules
+      const userRulesDir = join(homeDir, ".claude", "rules");
+      mkdirSync(userRulesDir, { recursive: true });
+      writeFileSync(join(userRulesDir, "user.md"), "User rules");
+
+      const currentFile = join(TEST_DIR, "app.ts");
+      writeFileSync(currentFile, "code");
+
+      // #when finding rules
+      const candidates = findRuleFiles(TEST_DIR, homeDir, currentFile);
+
+      // #then isGlobal should be true
+      const userRule = candidates.find((c) => c.path.includes("user.md"));
+      expect(userRule?.isGlobal).toBe(true);
+      expect(userRule?.distance).toBe(9999);
+    });
+  });
+});
+
+describe("findProjectRoot", () => {
+  const TEST_DIR = join(tmpdir(), `project-root-test-${Date.now()}`);
+
+  beforeEach(() => {
+    mkdirSync(TEST_DIR, { recursive: true });
+  });
+
+  afterEach(() => {
+    if (existsSync(TEST_DIR)) {
+      rmSync(TEST_DIR, { recursive: true, force: true });
+    }
+  });
+
+  it("should find project root with .git directory", () => {
+    // #given directory with .git
+    mkdirSync(join(TEST_DIR, ".git"), { recursive: true });
+    const nestedFile = join(TEST_DIR, "src", "components", "Button.tsx");
+    mkdirSync(join(TEST_DIR, "src", "components"), { recursive: true });
+    writeFileSync(nestedFile, "code");
+
+    // #when finding project root from nested file
+    const root = findProjectRoot(nestedFile);
+
+    // #then should return the directory with .git
+    expect(root).toBe(TEST_DIR);
+  });
+
+  it("should find project root with package.json", () => {
+    // #given directory with package.json
+    writeFileSync(join(TEST_DIR, "package.json"), "{}");
+    const nestedFile = join(TEST_DIR, "lib", "index.js");
+    mkdirSync(join(TEST_DIR, "lib"), { recursive: true });
+    writeFileSync(nestedFile, "code");
+
+    // #when finding project root
+    const root = findProjectRoot(nestedFile);
+
+    // #then should find the package.json directory
+    expect(root).toBe(TEST_DIR);
+  });
+
+  it("should return null when no project markers found", () => {
+    // #given directory without any project markers
+    const isolatedDir = join(TEST_DIR, "isolated");
+    mkdirSync(isolatedDir, { recursive: true });
+    const file = join(isolatedDir, "file.txt");
+    writeFileSync(file, "content");
+
+    // #when finding project root
+    const root = findProjectRoot(file);
+
+    // #then should return null
+    expect(root).toBeNull();
+  });
+});

src/hooks/rules-injector/finder.ts

@@ -6,24 +6,24 @@ import {
 } from "node:fs";
 import { dirname, join, relative } from "node:path";
 import {
+  GITHUB_INSTRUCTIONS_PATTERN,
   PROJECT_MARKERS,
+  PROJECT_RULE_FILES,
   PROJECT_RULE_SUBDIRS,
   RULE_EXTENSIONS,
   USER_RULE_DIR,
 } from "./constants";
+import type { RuleFileCandidate } from "./types";
 
-/**
- * Candidate rule file with metadata for filtering and sorting
- */
-export interface RuleFileCandidate {
-  /** Absolute path to the rule file */
-  path: string;
-  /** Real path after symlink resolution (for duplicate detection) */
-  realPath: string;
-  /** Whether this is a global/user-level rule */
-  isGlobal: boolean;
-  /** Directory distance from current file (9999 for global rules) */
-  distance: number;
+function isGitHubInstructionsDir(dir: string): boolean {
+  return dir.includes(".github/instructions") || dir.endsWith(".github/instructions");
+}
+
+function isValidRuleFile(fileName: string, dir: string): boolean {
+  if (isGitHubInstructionsDir(dir)) {
+    return GITHUB_INSTRUCTIONS_PATTERN.test(fileName);
+  }
+  return RULE_EXTENSIONS.some((ext) => fileName.endsWith(ext));
 }
 
 /**
@@ -76,10 +76,7 @@ function findRuleFilesRecursive(dir: string, results: string[]): void {
       if (entry.isDirectory()) {
         findRuleFilesRecursive(fullPath, results);
       } else if (entry.isFile()) {
-        const isRuleFile = RULE_EXTENSIONS.some((ext) =>
-          entry.name.endsWith(ext),
-        );
-        if (isRuleFile) {
+        if (isValidRuleFile(entry.name, dir)) {
           results.push(fullPath);
         }
       }
@@ -133,8 +130,10 @@ export function calculateDistance(
       return 9999;
     }
 
-    const ruleParts = ruleRel ? ruleRel.split("/") : [];
-    const currentParts = currentRel ? currentRel.split("/") : [];
+    // Split by both forward and back slashes for cross-platform compatibility
+    // path.relative() returns OS-native separators (backslashes on Windows)
+    const ruleParts = ruleRel ? ruleRel.split(/[/\\]/) : [];
+    const currentParts = currentRel ? currentRel.split(/[/\\]/) : [];
 
     // Find common prefix length
     let common = 0;
@@ -207,6 +206,33 @@ export function findRuleFiles(
     distance++;
   }
 
+  // Check for single-file rules at project root (e.g., .github/copilot-instructions.md)
+  if (projectRoot) {
+    for (const ruleFile of PROJECT_RULE_FILES) {
+      const filePath = join(projectRoot, ruleFile);
+      if (existsSync(filePath)) {
+        try {
+          const stat = statSync(filePath);
+          if (stat.isFile()) {
+            const realPath = safeRealpathSync(filePath);
+            if (!seenRealPaths.has(realPath)) {
+              seenRealPaths.add(realPath);
+              candidates.push({
+                path: filePath,
+                realPath,
+                isGlobal: false,
+                distance: 0,
+                isSingleFile: true,
+              });
+            }
+          }
+        } catch {
+          // Skip if file can't be read
+        }
+      }
+    }
+  }
+
   // Search user-level rule directory (~/.claude/rules)
   const userRuleDir = join(homeDir, USER_RULE_DIR);
   const userFiles: string[] = [];

src/hooks/rules-injector/index.ts

@@ -100,8 +100,14 @@ export function createRulesInjectorHook(ctx: PluginInput) {
         const rawContent = readFileSync(candidate.path, "utf-8");
         const { metadata, body } = parseRuleFrontmatter(rawContent);
 
-        const matchResult = shouldApplyRule(metadata, resolved, projectRoot);
-        if (!matchResult.applies) continue;
+        let matchReason: string;
+        if (candidate.isSingleFile) {
+          matchReason = "copilot-instructions (always apply)";
+        } else {
+          const matchResult = shouldApplyRule(metadata, resolved, projectRoot);
+          if (!matchResult.applies) continue;
+          matchReason = matchResult.reason ?? "matched";
+        }
 
         const contentHash = createContentHash(body);
         if (isDuplicateByContentHash(contentHash, cache.contentHashes)) continue;
@@ -112,7 +118,7 @@ export function createRulesInjectorHook(ctx: PluginInput) {
 
         toInject.push({
           relativePath,
-          matchReason: matchResult.reason ?? "matched",
+          matchReason,
           content: body,
           distance: candidate.distance,
         });

src/hooks/rules-injector/parser.test.ts

@@ -0,0 +1,226 @@
+import { describe, expect, it } from "bun:test";
+import { parseRuleFrontmatter } from "./parser";
+
+describe("parseRuleFrontmatter", () => {
+  describe("applyTo field (GitHub Copilot format)", () => {
+    it("should parse applyTo as single string", () => {
+      // #given frontmatter with applyTo as single string
+      const content = `---
+applyTo: "*.ts"
+---
+Rule content here`;
+
+      // #when parsing
+      const result = parseRuleFrontmatter(content);
+
+      // #then globs should contain the pattern
+      expect(result.metadata.globs).toBe("*.ts");
+      expect(result.body).toBe("Rule content here");
+    });
+
+    it("should parse applyTo as inline array", () => {
+      // #given frontmatter with applyTo as inline array
+      const content = `---
+applyTo: ["*.ts", "*.tsx"]
+---
+Rule content`;
+
+      // #when parsing
+      const result = parseRuleFrontmatter(content);
+
+      // #then globs should be array
+      expect(result.metadata.globs).toEqual(["*.ts", "*.tsx"]);
+    });
+
+    it("should parse applyTo as multi-line array", () => {
+      // #given frontmatter with applyTo as multi-line array
+      const content = `---
+applyTo:
+  - "*.ts"
+  - "src/**/*.js"
+---
+Content`;
+
+      // #when parsing
+      const result = parseRuleFrontmatter(content);
+
+      // #then globs should be array
+      expect(result.metadata.globs).toEqual(["*.ts", "src/**/*.js"]);
+    });
+
+    it("should parse applyTo as comma-separated string", () => {
+      // #given frontmatter with comma-separated applyTo
+      const content = `---
+applyTo: "*.ts, *.js"
+---
+Content`;
+
+      // #when parsing
+      const result = parseRuleFrontmatter(content);
+
+      // #then globs should be array
+      expect(result.metadata.globs).toEqual(["*.ts", "*.js"]);
+    });
+
+    it("should merge applyTo and globs when both present", () => {
+      // #given frontmatter with both applyTo and globs
+      const content = `---
+globs: "*.md"
+applyTo: "*.ts"
+---
+Content`;
+
+      // #when parsing
+      const result = parseRuleFrontmatter(content);
+
+      // #then should merge both into globs array
+      expect(result.metadata.globs).toEqual(["*.md", "*.ts"]);
+    });
+
+    it("should parse applyTo without quotes", () => {
+      // #given frontmatter with unquoted applyTo
+      const content = `---
+applyTo: **/*.py
+---
+Python rules`;
+
+      // #when parsing
+      const result = parseRuleFrontmatter(content);
+
+      // #then should parse correctly
+      expect(result.metadata.globs).toBe("**/*.py");
+    });
+
+    it("should parse applyTo with description", () => {
+      // #given frontmatter with applyTo and description (GitHub Copilot style)
+      const content = `---
+applyTo: "**/*.ts,**/*.tsx"
+description: "TypeScript coding standards"
+---
+# TypeScript Guidelines`;
+
+      // #when parsing
+      const result = parseRuleFrontmatter(content);
+
+      // #then should parse both fields
+      expect(result.metadata.globs).toEqual(["**/*.ts", "**/*.tsx"]);
+      expect(result.metadata.description).toBe("TypeScript coding standards");
+    });
+  });
+
+  describe("existing globs/paths parsing (backward compatibility)", () => {
+    it("should still parse globs field correctly", () => {
+      // #given existing globs format
+      const content = `---
+globs: ["*.py", "**/*.ts"]
+---
+Python/TypeScript rules`;
+
+      // #when parsing
+      const result = parseRuleFrontmatter(content);
+
+      // #then should work as before
+      expect(result.metadata.globs).toEqual(["*.py", "**/*.ts"]);
+    });
+
+    it("should still parse paths field as alias", () => {
+      // #given paths field (Claude Code style)
+      const content = `---
+paths: ["src/**"]
+---
+Source rules`;
+
+      // #when parsing
+      const result = parseRuleFrontmatter(content);
+
+      // #then should map to globs
+      expect(result.metadata.globs).toEqual(["src/**"]);
+    });
+
+    it("should parse alwaysApply correctly", () => {
+      // #given frontmatter with alwaysApply
+      const content = `---
+alwaysApply: true
+---
+Always apply this rule`;
+
+      // #when parsing
+      const result = parseRuleFrontmatter(content);
+
+      // #then should recognize alwaysApply
+      expect(result.metadata.alwaysApply).toBe(true);
+    });
+  });
+
+  describe("no frontmatter", () => {
+    it("should return empty metadata and full body for plain markdown", () => {
+      // #given markdown without frontmatter
+      const content = `# Instructions
+This is a plain rule file without frontmatter.`;
+
+      // #when parsing
+      const result = parseRuleFrontmatter(content);
+
+      // #then should have empty metadata
+      expect(result.metadata).toEqual({});
+      expect(result.body).toBe(content);
+    });
+
+    it("should handle empty content", () => {
+      // #given empty content
+      const content = "";
+
+      // #when parsing
+      const result = parseRuleFrontmatter(content);
+
+      // #then should return empty metadata and body
+      expect(result.metadata).toEqual({});
+      expect(result.body).toBe("");
+    });
+  });
+
+  describe("edge cases", () => {
+    it("should handle frontmatter with only applyTo", () => {
+      // #given minimal GitHub Copilot format
+      const content = `---
+applyTo: "**"
+---
+Apply to all files`;
+
+      // #when parsing
+      const result = parseRuleFrontmatter(content);
+
+      // #then should parse correctly
+      expect(result.metadata.globs).toBe("**");
+      expect(result.body).toBe("Apply to all files");
+    });
+
+    it("should handle mixed array formats", () => {
+      // #given globs as multi-line and applyTo as inline
+      const content = `---
+globs:
+  - "*.md"
+applyTo: ["*.ts", "*.js"]
+---
+Mixed format`;
+
+      // #when parsing
+      const result = parseRuleFrontmatter(content);
+
+      // #then should merge both
+      expect(result.metadata.globs).toEqual(["*.md", "*.ts", "*.js"]);
+    });
+
+    it("should handle Windows-style line endings", () => {
+      // #given content with CRLF
+      const content = "---\r\napplyTo: \"*.ts\"\r\n---\r\nWindows content";
+
+      // #when parsing
+      const result = parseRuleFrontmatter(content);
+
+      // #then should parse correctly
+      expect(result.metadata.globs).toBe("*.ts");
+      expect(result.body).toBe("Windows content");
+    });
+  });
+});

src/hooks/rules-injector/parser.ts

@@ -60,7 +60,7 @@ function parseYamlContent(yamlContent: string): RuleMetadata {
       metadata.description = parseStringValue(rawValue);
     } else if (key === "alwaysApply") {
       metadata.alwaysApply = rawValue === "true";
-    } else if (key === "globs" || key === "paths") {
+    } else if (key === "globs" || key === "paths" || key === "applyTo") {
       const { value, consumed } = parseArrayOrStringValue(rawValue, lines, i);
       // Merge paths into globs (Claude Code compatibility)
       if (key === "paths") {

src/hooks/rules-injector/types.ts

@@ -1,6 +1,8 @@
 /**
  * Rule file metadata (Claude Code style frontmatter)
+ * Supports both Claude Code format (globs, paths) and GitHub Copilot format (applyTo)
  * @see https://docs.anthropic.com/en/docs/claude-code/settings#rule-files
+ * @see https://docs.github.com/en/copilot/customizing-copilot/adding-repository-custom-instructions-for-github-copilot
  */
 export interface RuleMetadata {
   description?: string;
@@ -30,6 +32,18 @@ export interface RuleInfo {
   realPath: string;
 }
 
+/**
+ * Rule file candidate with discovery context
+ */
+export interface RuleFileCandidate {
+  path: string;
+  realPath: string;
+  isGlobal: boolean;
+  distance: number;
+  /** Single-file rules (e.g., .github/copilot-instructions.md) always apply without frontmatter */
+  isSingleFile?: boolean;
+}
+
 /**
  * Session storage for injected rules tracking
  */

src/hooks/session-recovery/index.test.ts

@@ -0,0 +1,203 @@
+import { describe, expect, it } from "bun:test"
+import { detectErrorType } from "./index"
+
+describe("detectErrorType", () => {
+  describe("thinking_block_order errors", () => {
+    it("should detect 'first block' error pattern", () => {
+      // #given an error about thinking being the first block
+      const error = {
+        message: "messages.0: thinking block must not be the first block",
+      }
+
+      // #when detectErrorType is called
+      const result = detectErrorType(error)
+
+      // #then should return thinking_block_order
+      expect(result).toBe("thinking_block_order")
+    })
+
+    it("should detect 'must start with' error pattern", () => {
+      // #given an error about message must start with something
+      const error = {
+        message: "messages.5: thinking must start with text or tool_use",
+      }
+
+      // #when detectErrorType is called
+      const result = detectErrorType(error)
+
+      // #then should return thinking_block_order
+      expect(result).toBe("thinking_block_order")
+    })
+
+    it("should detect 'preceeding' error pattern", () => {
+      // #given an error about preceeding block
+      const error = {
+        message: "messages.10: thinking requires preceeding text block",
+      }
+
+      // #when detectErrorType is called
+      const result = detectErrorType(error)
+
+      // #then should return thinking_block_order
+      expect(result).toBe("thinking_block_order")
+    })
+
+    it("should detect 'expected/found' error pattern", () => {
+      // #given an error about expected vs found
+      const error = {
+        message: "messages.3: thinking block expected text but found tool_use",
+      }
+
+      // #when detectErrorType is called
+      const result = detectErrorType(error)
+
+      // #then should return thinking_block_order
+      expect(result).toBe("thinking_block_order")
+    })
+
+    it("should detect 'final block cannot be thinking' error pattern", () => {
+      // #given an error about final block cannot be thinking
+      const error = {
+        message:
+          "messages.125: The final block in an assistant message cannot be thinking.",
+      }
+
+      // #when detectErrorType is called
+      const result = detectErrorType(error)
+
+      // #then should return thinking_block_order
+      expect(result).toBe("thinking_block_order")
+    })
+
+    it("should detect 'final block' variant error pattern", () => {
+      // #given an error mentioning final block with thinking
+      const error = {
+        message:
+          "messages.17: thinking in the final block is not allowed in assistant messages",
+      }
+
+      // #when detectErrorType is called
+      const result = detectErrorType(error)
+
+      // #then should return thinking_block_order
+      expect(result).toBe("thinking_block_order")
+    })
+
+    it("should detect 'cannot be thinking' error pattern", () => {
+      // #given an error using 'cannot be thinking' phrasing
+      const error = {
+        message:
+          "messages.219: The last block in an assistant message cannot be thinking content",
+      }
+
+      // #when detectErrorType is called
+      const result = detectErrorType(error)
+
+      // #then should return thinking_block_order
+      expect(result).toBe("thinking_block_order")
+    })
+  })
+
+  describe("tool_result_missing errors", () => {
+    it("should detect tool_use/tool_result mismatch", () => {
+      // #given an error about tool_use without tool_result
+      const error = {
+        message: "tool_use block requires corresponding tool_result",
+      }
+
+      // #when detectErrorType is called
+      const result = detectErrorType(error)
+
+      // #then should return tool_result_missing
+      expect(result).toBe("tool_result_missing")
+    })
+  })
+
+  describe("thinking_disabled_violation errors", () => {
+    it("should detect thinking disabled violation", () => {
+      // #given an error about thinking being disabled
+      const error = {
+        message:
+          "thinking is disabled for this model and cannot contain thinking blocks",
+      }
+
+      // #when detectErrorType is called
+      const result = detectErrorType(error)
+
+      // #then should return thinking_disabled_violation
+      expect(result).toBe("thinking_disabled_violation")
+    })
+  })
+
+  describe("unrecognized errors", () => {
+    it("should return null for unrecognized error patterns", () => {
+      // #given an unrelated error
+      const error = {
+        message: "Rate limit exceeded",
+      }
+
+      // #when detectErrorType is called
+      const result = detectErrorType(error)
+
+      // #then should return null
+      expect(result).toBeNull()
+    })
+
+    it("should return null for empty error", () => {
+      // #given an empty error
+      const error = {}
+
+      // #when detectErrorType is called
+      const result = detectErrorType(error)
+
+      // #then should return null
+      expect(result).toBeNull()
+    })
+
+    it("should return null for null error", () => {
+      // #given a null error
+      const error = null
+
+      // #when detectErrorType is called
+      const result = detectErrorType(error)
+
+      // #then should return null
+      expect(result).toBeNull()
+    })
+  })
+
+  describe("nested error objects", () => {
+    it("should detect error in data.error.message path", () => {
+      // #given an error with nested structure
+      const error = {
+        data: {
+          error: {
+            message:
+              "messages.163: The final block in an assistant message cannot be thinking.",
+          },
+        },
+      }
+
+      // #when detectErrorType is called
+      const result = detectErrorType(error)
+
+      // #then should return thinking_block_order
+      expect(result).toBe("thinking_block_order")
+    })
+
+    it("should detect error in error.message path", () => {
+      // #given an error with error.message structure
+      const error = {
+        error: {
+          message: "messages.169: final block cannot be thinking",
+        },
+      }
+
+      // #when detectErrorType is called
+      const result = detectErrorType(error)
+
+      // #then should return thinking_block_order
+      expect(result).toBe("thinking_block_order")
+    })
+  })
+})

src/hooks/session-recovery/index.ts

@@ -122,7 +122,7 @@ function extractMessageIndex(error: unknown): number | null {
   return match ? parseInt(match[1], 10) : null
 }
 
-function detectErrorType(error: unknown): RecoveryErrorType {
+export function detectErrorType(error: unknown): RecoveryErrorType {
   const message = getErrorMessage(error)
 
   if (message.includes("tool_use") && message.includes("tool_result")) {
@@ -134,6 +134,8 @@ function detectErrorType(error: unknown): RecoveryErrorType {
     (message.includes("first block") ||
       message.includes("must start with") ||
       message.includes("preceeding") ||
+      message.includes("final block") ||
+      message.includes("cannot be thinking") ||
       (message.includes("expected") && message.includes("found")))
   ) {
     return "thinking_block_order"

src/hooks/think-mode/index.test.ts

@@ -1,12 +1,6 @@
-import { describe, expect, it, beforeEach, mock } from "bun:test"
+import { describe, expect, it, beforeEach } from "bun:test"
 import type { ThinkModeInput } from "./types"
 
-const logMock = mock(() => {})
-
-mock.module("../../shared", () => ({
-  log: logMock,
-}))
-
 const { createThinkModeHook, clearThinkModeState } = await import("./index")
 
 /**