docs: update AGENTS.md knowledge base (043b1a33)

- Add 7 missing hooks, remove deleted background-compaction
- Update line counts (atlas 572, sisyphus 450, config-manager 664)
- Add 18 undocumented shared utilities, remove stale references
- Add task-toast-manager, remove-deadcode command
- Update test count 90→95, add 4 complexity hotspots

AGENTS.md

@@ -1,7 +1,7 @@
 # PROJECT KNOWLEDGE BASE
 
-**Generated:** 2026-01-23T15:59:00+09:00
+**Generated:** 2026-01-25T13:10:00+09:00
-**Commit:** 599fad0e
+**Commit:** 043b1a33
 **Branch:** dev
 
 ## OVERVIEW
@@ -21,7 +21,7 @@ oh-my-opencode/
 │   ├── cli/           # CLI installer, doctor - see src/cli/AGENTS.md
 │   ├── mcp/           # Built-in MCPs - see src/mcp/AGENTS.md
 │   ├── config/        # Zod schema, TypeScript types
-│   └── index.ts       # Main plugin entry (593 lines)
+│   └── index.ts       # Main plugin entry (601 lines)
 ├── script/            # build-schema.ts, build-binaries.ts
 ├── packages/          # 7 platform-specific binaries
 └── dist/              # Build output (ESM + .d.ts)
@@ -36,6 +36,7 @@ oh-my-opencode/
 | Add tool | `src/tools/` | Dir with index/types/constants/tools.ts |
 | Add MCP | `src/mcp/` | Create config, add to index.ts |
 | Add skill | `src/features/builtin-skills/` | Create dir with SKILL.md |
+| Add command | `src/features/builtin-commands/` | Add template + register in commands.ts |
 | Config schema | `src/config/schema.ts` | Zod schema, run `bun run build:schema` |
 | Background agents | `src/features/background-agent/` | manager.ts (1335 lines) |
 | Orchestrator | `src/hooks/atlas/` | Main orchestration hook (773 lines) |
@@ -60,7 +61,7 @@ oh-my-opencode/
 - **Build**: `bun build` (ESM) + `tsc --emitDeclarationOnly`
 - **Exports**: Barrel pattern via index.ts
 - **Naming**: kebab-case dirs, `createXXXHook`/`createXXXTool` factories
-- **Testing**: BDD comments, 90 test files
+- **Testing**: BDD comments, 95 test files
 - **Temperature**: 0.1 for code agents, max 0.3
 
 ## ANTI-PATTERNS
@@ -99,7 +100,7 @@ oh-my-opencode/
 bun run typecheck      # Type check
 bun run build          # ESM + declarations + schema
 bun run rebuild        # Clean + Build
-bun test               # 90 test files
+bun test               # 95 test files
 ```
 
 ## DEPLOYMENT
@@ -118,7 +119,11 @@ bun test               # 90 test files
 | `src/agents/prometheus-prompt.ts` | 1196 | Planning agent |
 | `src/tools/delegate-task/tools.ts` | 1039 | Category-based delegation |
 | `src/hooks/atlas/index.ts` | 773 | Orchestrator hook |
-| `src/cli/config-manager.ts` | 641 | JSONC config parsing |
+| `src/cli/config-manager.ts` | 664 | JSONC config parsing |
+| `src/features/builtin-commands/templates/refactor.ts` | 619 | Refactor command template |
+| `src/index.ts` | 601 | Main plugin entry |
+| `src/tools/lsp/client.ts` | 596 | LSP JSON-RPC client |
+| `src/agents/atlas.ts` | 572 | Atlas orchestrator agent |
 
 ## MCP ARCHITECTURE
 

src/agents/AGENTS.md

@@ -8,17 +8,17 @@
 
 ```
 agents/
-├── atlas.ts                    # Master Orchestrator (543 lines)
+├── atlas.ts                    # Master Orchestrator (572 lines)
-├── sisyphus.ts                 # Main prompt (615 lines)
+├── sisyphus.ts                 # Main prompt (450 lines)
-├── sisyphus-junior.ts          # Delegated task executor
+├── sisyphus-junior.ts          # Delegated task executor (135 lines)
-├── dynamic-agent-prompt-builder.ts  # Dynamic prompt generation
+├── dynamic-agent-prompt-builder.ts  # Dynamic prompt generation (359 lines)
 ├── oracle.ts                   # Strategic advisor (GPT-5.2)
-├── librarian.ts                # Multi-repo research (GLM-4.7-free)
+├── librarian.ts                # Multi-repo research (326 lines)
 ├── explore.ts                  # Fast grep (Grok Code)
 ├── multimodal-looker.ts        # Media analyzer (Gemini 3 Flash)
 ├── prometheus-prompt.ts        # Planning (1196 lines)
-├── metis.ts                    # Plan consultant
+├── metis.ts                    # Plan consultant (315 lines)
-├── momus.ts                    # Plan reviewer
+├── momus.ts                    # Plan reviewer (444 lines)
 ├── types.ts                    # AgentModelConfig, AgentPromptMetadata
 ├── utils.ts                    # createBuiltinAgents(), resolveModelWithFallback()
 └── index.ts                    # builtinAgents export

src/cli/AGENTS.md

@@ -10,8 +10,9 @@ CLI entry: `bunx oh-my-opencode`. Interactive installer, doctor diagnostics. Com
 cli/
 ├── index.ts              # Commander.js entry
 ├── install.ts            # Interactive TUI (520 lines)
-├── config-manager.ts     # JSONC parsing (641 lines)
+├── config-manager.ts     # JSONC parsing (664 lines)
 ├── types.ts              # InstallArgs, InstallConfig
+├── model-fallback.ts     # Model fallback configuration
 ├── doctor/
 │   ├── index.ts          # Doctor entry
 │   ├── runner.ts         # Check orchestration
@@ -25,6 +26,7 @@ cli/
 │       ├── dependencies.ts # AST-Grep, Comment Checker
 │       ├── lsp.ts        # LSP connectivity
 │       ├── mcp.ts        # MCP validation
+│       ├── model-resolution.ts # Model resolution check
 │       └── gh.ts         # GitHub CLI
 ├── run/
 │   └── index.ts          # Session launcher

src/features/AGENTS.md

@@ -12,12 +12,14 @@ features/
 │   ├── manager.ts              # Launch → poll → complete
 │   ├── concurrency.ts          # Per-provider limits
 │   └── types.ts                # BackgroundTask, LaunchInput
-├── skill-mcp-manager/          # MCP client lifecycle
+├── skill-mcp-manager/          # MCP client lifecycle (520 lines)
 │   ├── manager.ts              # Lazy loading, cleanup
 │   └── types.ts                # SkillMcpConfig
 ├── builtin-skills/             # Playwright, git-master, frontend-ui-ux
 │   └── skills.ts               # 1203 lines
-├── builtin-commands/           # ralph-loop, refactor, init-deep
+├── builtin-commands/           # ralph-loop, refactor, init-deep, start-work, remove-deadcode
+│   ├── commands.ts             # Command registry
+│   └── templates/              # Command templates (4 files)
 ├── claude-code-agent-loader/   # ~/.claude/agents/*.md
 ├── claude-code-command-loader/ # ~/.claude/commands/*.md
 ├── claude-code-mcp-loader/     # .mcp.json
@@ -26,7 +28,8 @@ features/
 ├── opencode-skill-loader/      # Skills from 6 directories
 ├── context-injector/           # AGENTS.md/README.md injection
 ├── boulder-state/              # Todo state persistence
-└── hook-message-injector/      # Message injection
+├── hook-message-injector/      # Message injection
+└── task-toast-manager/         # Background task notifications
 ```
 
 ## LOADER PRIORITY

src/hooks/AGENTS.md

@@ -10,7 +10,7 @@
 hooks/
 ├── atlas/                      # Main orchestration (773 lines)
 ├── anthropic-context-window-limit-recovery/  # Auto-summarize
-├── todo-continuation-enforcer.ts # Force TODO completion
+├── todo-continuation-enforcer.ts # Force TODO completion (489 lines)
 ├── ralph-loop/                 # Self-referential dev loop
 ├── claude-code-hooks/          # settings.json compat layer - see AGENTS.md
 ├── comment-checker/            # Prevents AI slop
@@ -28,7 +28,15 @@ hooks/
 ├── prometheus-md-only/         # Planner read-only mode
 ├── agent-usage-reminder/       # Specialized agent hints
 ├── auto-update-checker/        # Plugin update check
-└── tool-output-truncator.ts    # Prevents context bloat
+├── tool-output-truncator.ts    # Prevents context bloat
+├── compaction-context-injector/ # Injects context on compaction
+├── delegate-task-retry/        # Retries failed delegations
+├── interactive-bash-session/   # Tmux session management
+├── non-interactive-env/        # Non-TTY environment handling
+├── start-work/                 # Sisyphus work session starter
+├── task-resume-info/           # Resume info for cancelled tasks
+├── question-label-truncator/   # Auto-truncates question labels >30 chars
+└── index.ts                    # Hook aggregation + registration
 ```
 
 ## HOOK EVENTS

src/shared/AGENTS.md

@@ -2,7 +2,7 @@
 
 ## OVERVIEW
 
-50 cross-cutting utilities: path resolution, token truncation, config parsing, model resolution.
+34 cross-cutting utilities: path resolution, token truncation, config parsing, model resolution, agent display names.
 
 ## STRUCTURE
 
@@ -19,12 +19,27 @@ shared/
 ├── migration.ts           # Legacy config migration
 ├── opencode-version.ts    # Version comparison
 ├── external-plugin-detector.ts # OAuth spoofing detection
-├── env-expander.ts        # ${VAR} expansion
 ├── model-requirements.ts  # Agent/Category requirements
 ├── model-availability.ts  # Models fetch + fuzzy match
 ├── model-resolver.ts      # 3-step resolution
+├── model-sanitizer.ts     # Model ID normalization
 ├── shell-env.ts           # Cross-platform shell
-├── prompt-parts-helper.ts # Prompt manipulation
+├── agent-display-names.ts # Agent display name mapping
+├── agent-tool-restrictions.ts # Tool restriction helpers
+├── agent-variant.ts       # Agent variant detection
+├── command-executor.ts    # Subprocess execution
+├── config-errors.ts       # Config error types
+├── deep-merge.ts          # Deep object merge
+├── file-reference-resolver.ts # File path resolution
+├── file-utils.ts          # File utilities
+├── hook-disabled.ts       # Hook enable/disable check
+├── pattern-matcher.ts     # Glob pattern matching
+├── session-cursor.ts      # Session cursor tracking
+├── snake-case.ts          # String case conversion
+├── system-directive.ts    # System prompt helpers
+├── tool-name.ts           # Tool name constants
+├── zip-extractor.ts       # ZIP file extraction
+├── index.ts               # Barrel export
 └── *.test.ts              # Colocated tests
 ```
 
@@ -40,6 +55,7 @@ shared/
 | Resolve paths | `getOpenCodeConfigDir()` |
 | Compare versions | `isOpenCodeVersionAtLeast("1.1.0")` |
 | Resolve model | `resolveModelWithFallback()` |
+| Agent display name | `getAgentDisplayName(agentName)` |
 
 ## PATTERNS
 

src/tools/AGENTS.md

@@ -25,7 +25,7 @@ tools/
 ├── skill-mcp/        # Skill MCP operations
 ├── slashcommand/     # Slash command dispatch
 ├── call-omo-agent/   # Direct agent invocation
-└── background-task/  # background_output, background_cancel
+└── background-task/  # background_output, background_cancel (513 lines)
 ```
 
 ## TOOL CATEGORIES
@@ -48,7 +48,7 @@ tools/
 
 ## LSP SPECIFICS
 
-- **Client**: `client.ts` manages stdio, JSON-RPC
+- **Client**: `client.ts` manages stdio, JSON-RPC (596 lines)
 - **Singleton**: `LSPServerManager` with ref counting
 - **Capabilities**: definition, references, symbols, diagnostics, rename