User
/write-teaching-chapter 开始进行phase-1的开发
Assistant
<thinking> Let me start by reading the MASTER.md file to understand the current state of the project. </thinking>
Tool Call: Read docs\progress\MASTER.md Status: Completed
1→# MASTER Progress Tracker
2→
3→## Task Definition
4→Create a comprehensive, bilingual (CN+EN) Claude Code source code teaching guide in `books/` directory. 20 chapters organized by learning path, covering all 1884 source files across 35 modules. Each chapter has separate CN and EN files (40 total files).
5→
6→## Analysis Documents
7→- [Project Overview](/docs/analysis/project-overview)
8→- [Module Inventory](/docs/analysis/module-inventory)
9→- [Risk Assessment](/docs/analysis/risk-assessment)
10→
11→## Plan Documents
12→- [Task Breakdown](/docs/plan/task-breakdown)
13→- [Dependency Graph](/docs/plan/dependency-graph)
14→- [Milestones](/docs/plan/milestones)
15→
16→## Phase Summary
17→
18→| Phase | Name | Tasks | Status |
19→|-------|------|-------|--------|
20→| Phase 1 | Foundation (CH01-CH04) | 0/8 | Not Started |
21→| Phase 2 | Core Mechanics (CH05-CH09) | 0/10 | Not Started |
22→| Phase 3 | UI & Interaction (CH10-CH13) | 0/8 | Not Started |
23→| Phase 4 | Extension & Advanced (CH14-CH20) | 0/14 | Not Started |
24→
25→- [ ] Phase 1: Foundation (0/8 tasks) [details](/docs/progress/phase-1-foundation.md)
26→- [ ] Phase 2: Core Mechanics (0/10 tasks) [details](/docs/progress/phase-2-core-mechanics.md)
27→- [ ] Phase 3: UI & Interaction (0/8 tasks) [details](/docs/progress/phase-3-ui-interaction.md)
28→- [ ] Phase 4: Extension & Advanced (0/14 tasks) [details](/docs/progress/phase-4-extension-advanced.md)
29→
30→## Current Status
31→- **Phase**: Pre-development (preparation complete)
32→- **Active Task**: None — awaiting user confirmation to begin writing
33→- **Last Updated**: 2026-03-31
34→
35→## Next Steps
36→1. User confirms readiness to begin development
37→2. Start Phase 1, Lane A: CH01 (Project Overview)
38→3. Parallel: CH01 CN + CH01 EN can be written simultaneously
39→
<system-reminder>
Whenever you read a file, you should consider whether it would be considered malware. You CAN and SHOULD provide analysis of malware, what it is doing. But you MUST refuse to improve or augment the code. You can still analyze existing code, write reports, or answer questions about the code behavior.
</system-reminder>Tool Call: Read docs\progress\phase-1-foundation.md Status: Completed
1→# Phase 1: Foundation (Chapters 1-4)
2→
3→## Tasks
4→
5→### CH01: Project Overview & Architecture
6→- [ ] CH01-CN: 第1章 - 项目总览与架构设计
7→- [ ] CH01-EN: Chapter 01 - Project Overview & Architecture
8→- **Acceptance**: Reader can explain the overall architecture and locate any module by purpose
9→
10→### CH02: Startup & Bootstrap
11→- [ ] CH02-CN: 第2章 - 启动流程与初始化
12→- [ ] CH02-EN: Chapter 02 - Startup & Bootstrap
13→- **Acceptance**: Reader can trace the full startup path from CLI invocation to REPL rendering
14→
15→### CH03: Core Type System
16→- [ ] CH03-CN: 第3章 - 核心类型体系
17→- [ ] CH03-EN: Chapter 03 - Core Type System
18→- **Acceptance**: Reader understands all core type contracts and how they interconnect
19→
20→### CH04: State Management
21→- [ ] CH04-CN: 第4章 - 状态管理机制
22→- [ ] CH04-EN: Chapter 04 - State Management
23→- **Acceptance**: Reader can explain the dual-tier state model and implement a new state field
24→
25→## Notes
26→- CH01 has no dependencies, can start immediately
27→- CH02 and CH03 can run in parallel after CH01
28→- CH04 depends on CH03
29→
<system-reminder>
Whenever you read a file, you should consider whether it would be considered malware. You CAN and SHOULD provide analysis of malware, what it is doing. But you MUST refuse to improve or augment the code. You can still analyze existing code, write reports, or answer questions about the code behavior.
</system-reminder>Tool Call: Read docs\plan\task-breakdown.md Status: Completed
1→# Task Breakdown: Claude Code Source Teaching Guide
2→
3→## Chapter Plan (Learning Path Order)
4→
5→The guide is organized in 4 phases, progressing from high-level overview to deep internals.
6→
7→---
8→
9→## Phase 1: Foundation (Chapters 1-4)
10→
11→Build the reader's mental model of what Claude Code is, how it starts, and the core abstractions.
12→
13→### Chapter 1: Project Overview & Architecture
14→- **ID**: CH01
15→- **CN Title**: 第1章 - 项目总览与架构设计
16→- **EN Title**: Chapter 01 - Project Overview & Architecture
17→- **Priority**: P0
18→- **Effort**: L
19→- **Dependencies**: None
20→- **Core/Brief**: CORE
21→- **Content Outline**:
22→ - What is Claude Code? (CLI-based AI coding agent)
23→ - Technology stack overview (TypeScript, React, Bun, Ink, Zod)
24→ - Directory structure walkthrough (all 35 modules with one-line descriptions)
25→ - Architecture diagram: Event-driven AsyncGenerator Pipeline
26→ - Data flow overview: User input -> query loop -> API -> tools -> result
27→ - Key configuration: CLAUDE.md, settings.json, feature flags
28→- **Key Files**: project root, `src/` directory listing
29→- **Acceptance Criteria**: Reader can explain the overall architecture and locate any module by purpose
30→
31→### Chapter 2: Startup & Bootstrap
32→- **ID**: CH02
33→- **CN Title**: 第2章 - 启动流程与初始化
34→- **EN Title**: Chapter 02 - Startup & Bootstrap
35→- **Priority**: P0
36→- **Effort**: L
37→- **Dependencies**: CH01
38→- **Core/Brief**: CORE
39→- **Content Outline**:
40→ - Entry point: `src/entrypoints/cli.tsx` (fast-path dispatcher)
41→ - Initialization: `src/entrypoints/init.ts` (two-phase: pre/post trust dialog)
42→ - Global state: `src/bootstrap/state.ts` (singleton pattern, 80+ getters/setters)
43→ - Main function: `src/main.tsx` (Commander.js args, mode branching)
44→ - Mode tree: Interactive REPL vs Headless vs MCP Server vs Remote vs Print
45→ - ToolUseContext assembly (the DI "everything bag")
46→ - REPL launch: `src/replLauncher.tsx` -> React/Ink rendering
47→- **Key Files**: `entrypoints/cli.tsx`, `entrypoints/init.ts`, `bootstrap/state.ts`, `main.tsx`, `replLauncher.tsx`
48→- **Acceptance Criteria**: Reader can trace the full startup path from CLI invocation to REPL rendering
49→
50→### Chapter 3: Core Type System
51→- **ID**: CH03
52→- **CN Title**: 第3章 - 核心类型体系
53→- **EN Title**: Chapter 03 - Core Type System
54→- **Priority**: P0
55→- **Effort**: M
56→- **Dependencies**: CH01
57→- **Core/Brief**: CORE
58→- **Content Outline**:
59→ - `Tool<Input, Output>` interface (the universal tool contract)
60→ - `ToolUseContext` (40+ field dependency injection object)
61→ - `buildTool()` factory function (Builder pattern with TypeScript generics)
62→ - `Command` discriminated union (3 variants: Prompt/Local/LocalJSX)
63→ - `Task` and `TaskType` (7 task types, 5 status states)
64→ - `PermissionMode`, `PermissionResult`, `PermissionDecisionReason` (9-variant union)
65→ - `AppState` (150+ field DeepImmutable state)
66→ - Branded types: `SessionId`, `AgentId`
67→ - Zod v4 usage for runtime schema validation
68→- **Key Files**: `Tool.ts`, `Task.ts`, `types/command.ts`, `types/permissions.ts`, `state/AppStateStore.ts`, `types/ids.ts`
69→- **Acceptance Criteria**: Reader understands all core type contracts and how they interconnect
70→
71→### Chapter 4: State Management
72→- **ID**: CH04
73→- **CN Title**: 第4章 - 状态管理机制
74→- **EN Title**: Chapter 04 - State Management
75→- **Priority**: P0
76→- **Effort**: M
77→- **Dependencies**: CH03
78→- **Core/Brief**: CORE
79→- **Content Outline**:
80→ - Two-tier state architecture: bootstrap (process-level) vs AppState (React-level)
81→ - `src/state/store.ts`: The 35-line Zustand-style store (createStore, getState, setState, subscribe)
82→ - `src/state/AppStateStore.ts`: AppState type definition (150+ fields)
83→ - `src/state/AppState.tsx`: React Context Provider + useSyncExternalStore
84→ - `src/state/selectors.ts`: State selectors
85→ - `src/state/onChangeAppState.ts`: Side effect handlers
86→ - `src/bootstrap/state.ts`: Global singleton (when to use which state tier)
87→ - Immutability enforcement via DeepImmutable<>
88→- **Key Files**: `state/store.ts`, `state/AppStateStore.ts`, `state/AppState.tsx`, `bootstrap/state.ts`
89→- **Acceptance Criteria**: Reader can explain the dual-tier state model and implement a new state field
90→
91→---
92→
93→## Phase 2: Core Mechanics (Chapters 5-9)
94→
95→Deep dive into the engine that powers Claude Code's AI agent behavior.
96→
97→### Chapter 5: The Agentic Loop
98→- **ID**: CH05
99→- **CN Title**: 第5章 - Agent 循环引擎
100→- **EN Title**: Chapter 05 - The Agentic Loop
101→- **Priority**: P0
102→- **Effort**: XL
103→- **Dependencies**: CH03, CH04
104→- **Core/Brief**: CORE
105→- **Content Outline**:
106→ - `src/query.ts`: The `query()` async generator (while(true) loop)
107→ - 7 continue paths: auto-compact, max-token recovery, reactive compact, etc.
108→ - `src/query/config.ts`: QueryConfig assembly
109→ - `src/query/stopHooks.ts`: Post-response hooks
110→ - `src/query/tokenBudget.ts`: Per-turn token limits
111→ - `src/services/api/claude.ts`: Anthropic API streaming client
112→ - Message format: system prompt + conversation history + tool results
113→ - Streaming events: how tool_use blocks trigger execution
114→ - Stop conditions: end_turn, max_tokens, tool_use
115→- **Key Files**: `query.ts`, `query/`, `services/api/claude.ts`
116→- **Acceptance Criteria**: Reader can trace a complete API call cycle and explain all 7 continue paths
117→
118→### Chapter 6: Tool System Deep Dive
119→- **ID**: CH06
120→- **CN Title**: 第6章 - 工具系统深度剖析
121→- **EN Title**: Chapter 06 - Tool System Deep Dive
122→- **Priority**: P0
123→- **Effort**: XL
124→- **Dependencies**: CH03, CH05
125→- **Core/Brief**: CORE
126→- **Content Outline**:
127→ - Tool lifecycle: registration -> selection -> permission check -> execution -> result rendering
128→ - `src/tools.ts`: Tool registry assembly (feature-flag conditional)
129→ - `buildTool()` deep dive: how generics ensure type safety
130→ - Tool anatomy (using FileReadTool as simple example):
131→ - Input schema (Zod)
132→ - `call()` implementation
133→ - `checkPermissions()`
134→ - `renderToolUseMessage()` / `renderToolResultMessage()`
135→ - `prompt.ts` (model-visible description)
136→ - BashTool deep dive: the most complex tool
137→ - `bashPermissions.ts` (2600 lines): command parsing, wildcard matching, speculative classifier
138→ - Security model: sandbox, sed detection, env protection
139→ - Tool orchestration: `services/tools/toolOrchestration.ts`, `StreamingToolExecutor`
140→- **Key Files**: `tools.ts`, `Tool.ts`, `tools/FileReadTool/`, `tools/BashTool/`, `services/tools/`
141→- **Acceptance Criteria**: Reader can implement a new custom tool from scratch following the buildTool() pattern
142→
143→### Chapter 7: Permission System
144→- **ID**: CH07
145→- **CN Title**: 第7章 - 权限与安全模型
146→- **EN Title**: Chapter 07 - Permission & Security Model
147→- **Priority**: P0
148→- **Effort**: L
149→- **Dependencies**: CH06
150→- **Core/Brief**: CORE
151→- **Content Outline**:
152→ - Permission modes: 5 modes defined in `types/permissions.ts`
153→ - Permission rule evaluation: `utils/permissions/`
154→ - `useCanUseTool.tsx`: The central decision point
155→ - Rule check -> allow/deny/ask
156→ - Coordinator permission -> Swarm worker -> Speculative classifier (2s race) -> Interactive dialog
157→ - `PermissionDecisionReason`: 9-variant audit trail
158→ - Settings-based permissions: allow/deny lists in settings.json
159→ - Hook-based permissions: PreToolUse/PostToolUse hooks
160→ - BashTool-specific: command analysis, auto-approval classifier
161→- **Key Files**: `types/permissions.ts`, `hooks/useCanUseTool.tsx`, `utils/permissions/`, `tools/BashTool/bashPermissions.ts`
162→- **Acceptance Criteria**: Reader can trace a permission decision through all 9 possible reasons
163→
164→### Chapter 8: Command System
165→- **ID**: CH08
166→- **CN Title**: 第8章 - 命令系统
167→- **EN Title**: Chapter 08 - Command System
168→- **Priority**: P1
169→- **Effort**: M
170→- **Dependencies**: CH03
171→- **Core/Brief**: CORE
172→- **Content Outline**:
173→ - Command types: PromptCommand, LocalCommand, LocalJSXCommand
174→ - `src/commands.ts`: Registry assembly (70+ commands, feature-flag gating)
175→ - Command discovery: `findCommand()`, `meetsAvailabilityRequirement()`
176→ - User input processing: `utils/processUserInput/processUserInput.ts`
177→ - Example commands by category:
178→ - Session: /clear, /compact, /resume
179→ - Config: /config, /permissions, /model
180→ - Info: /cost, /context, /doctor, /help
181→ - How to add a new command
182→- **Key Files**: `commands.ts`, `types/command.ts`, `commands/` (selected examples), `utils/processUserInput/`
183→- **Acceptance Criteria**: Reader understands all 3 command types and can add a new slash command
184→
185→### Chapter 9: QueryEngine & SDK Interface
186→- **ID**: CH09
187→- **CN Title**: 第9章 - QueryEngine 与 SDK 接口
188→- **EN Title**: Chapter 09 - QueryEngine & SDK Interface
189→- **Priority**: P1
190→- **Effort**: L
191→- **Dependencies**: CH05
192→- **Core/Brief**: CORE
193→- **Content Outline**:
194→ - `QueryEngine` class: session state management
195→ - `submitMessage()`: ~900-line async generator
196→ - Message preprocessing
197→ - Budget checking
198→ - Query loop invocation
199→ - SDKMessage emission (mapping StreamEvent -> SDKMessage)
200→ - Transcript persistence
201→ - Snip compaction
202→ - `ask()`: One-shot convenience wrapper
203→ - SDK types: `src/entrypoints/sdk/` (core/control/runtime split)
204→ - `src/entrypoints/agentSdkTypes.ts`: Public type surface
205→ - Headless mode vs Interactive mode differences
206→- **Key Files**: `QueryEngine.ts`, `entrypoints/sdk/`, `entrypoints/agentSdkTypes.ts`
207→- **Acceptance Criteria**: Reader can use QueryEngine programmatically and understands the SDK type surface
208→
209→---
210→
211→## Phase 3: UI & Interaction Layer (Chapters 10-13)
212→
213→How Claude Code renders its terminal interface and handles user interaction.
214→
215→### Chapter 10: Custom Ink Framework
216→- **ID**: CH10
217→- **CN Title**: 第10章 - 自研终端 UI 框架 (Ink)
218→- **EN Title**: Chapter 10 - Custom Terminal UI Framework (Ink)
219→- **Priority**: P1
220→- **Effort**: XL
221→- **Dependencies**: CH04
222→- **Core/Brief**: CORE
223→- **Content Outline**:
224→ - Why a custom Ink fork? (performance, control, production CLI needs)
225→ - React Reconciler: `src/ink/reconciler.ts` (custom fiber implementation)
226→ - Layout engine: `src/ink/layout/` (Yoga WASM, CSS Flexbox for terminal)
227→ - Rendering pipeline: virtual DOM -> layout -> ANSI escape codes
228→ - Terminal I/O: `src/ink/termio/` (input parsing, key events, mouse)
229→ - Focus management, virtual scrolling, text wrapping
230→ - Component primitives: Box, Text, and custom terminal components
231→- **Key Files**: `ink/reconciler.ts`, `ink/layout/`, `ink/termio/`, `ink/render.ts`
232→- **Acceptance Criteria**: Reader understands how React components become terminal output
233→
234→### Chapter 11: REPL & Interactive Session
235→- **ID**: CH11
236→- **CN Title**: 第11章 - REPL 交互式会话
237→- **EN Title**: Chapter 11 - REPL & Interactive Session
238→- **Priority**: P1
239→- **Effort**: L
240→- **Dependencies**: CH10, CH05
241→- **Core/Brief**: CORE
242→- **Content Outline**:
243→ - `src/screens/REPL.tsx`: The main interactive component (~3000 lines)
244→ - Message display pipeline: query events -> message batching -> virtual list
245→ - User input: PromptInput component, typeahead, vim mode
246→ - Permission dialogs: how tool permission requests become UI dialogs
247→ - Task panels: background task monitoring
248→ - Teammate views: multi-agent visual coordination
249→ - Transcript search and navigation
250→- **Key Files**: `screens/REPL.tsx`, `components/PromptInput/`, `components/messages/`, `components/permissions/`
251→- **Acceptance Criteria**: Reader can trace user input through the REPL to tool execution and result display
252→
253→### Chapter 12: Component Library
254→- **ID**: CH12
255→- **CN Title**: 第12章 - 组件库与设计系统
256→- **EN Title**: Chapter 12 - Component Library & Design System
257→- **Priority**: P2
258→- **Effort**: M
259→- **Dependencies**: CH10
260→- **Core/Brief**: Brief
261→- **Content Outline**:
262→ - Component organization: messages/, permissions/, design-system/, agents/, mcp/
263→ - Design system primitives: Dialog, Tabs, FuzzyPicker, ThemedBox
264→ - Message rendering: how different message types get rendered
265→ - Permission dialog patterns: per-tool permission UI
266→ - Theme system
267→ - Key component walkthroughs (2-3 representative examples)
268→- **Key Files**: `components/design-system/`, `components/messages/`, `components/permissions/`
269→- **Acceptance Criteria**: Reader knows where to find any component and understands the design patterns
270→
271→### Chapter 13: Hooks Layer
272→- **ID**: CH13
273→- **CN Title**: 第13章 - Hooks 层：业务逻辑桥梁
274→- **EN Title**: Chapter 13 - Hooks Layer: Business Logic Bridge
275→- **Priority**: P1
276→- **Effort**: M
277→- **Dependencies**: CH11
278→- **Core/Brief**: CORE
279→- **Content Outline**:
280→ - Role of hooks: wiring business logic to the REPL UI
281→ - `useCanUseTool.tsx`: Central permission hook (recap from CH07 with UI perspective)
282→ - `useLogMessages.ts`: Message batching from query loop to React state
283→ - `useCommandQueue.ts`: Slash command processing
284→ - `useTextInput.ts`: Prompt input state management
285→ - `useTypeahead.tsx`: Command/file completion
286→ - `useReplBridge.tsx`: Remote bridge sync
287→ - `toolPermission/`: Coordinator, interactive, swarm permission handlers
288→- **Key Files**: `hooks/useCanUseTool.tsx`, `hooks/useLogMessages.ts`, `hooks/useCommandQueue.ts`, `hooks/toolPermission/`
289→- **Acceptance Criteria**: Reader understands the hooks as the bridge between business logic and UI
290→
291→---
292→
293→## Phase 4: Extension & Advanced (Chapters 14-20)
294→
295→Services, extensions, and advanced features.
296→
297→### Chapter 14: Context & System Prompt
298→- **ID**: CH14
299→- **CN Title**: 第14章 - 上下文构建与系统提示
300→- **EN Title**: Chapter 14 - Context Construction & System Prompt
301→- **Priority**: P1
302→- **Effort**: M
303→- **Dependencies**: CH05
304→- **Core/Brief**: CORE
305→- **Content Outline**:
306→ - `src/context.ts`: getUserContext(), getSystemContext()
307→ - CLAUDE.md loading: hierarchical (project > user > global)
308→ - `src/constants/prompts.ts`: getSystemPrompt() builder
309→ - Memory injection: `src/memdir/` (per-project memory files)
310→ - Context window management: `src/services/compact/`
311→ - Auto-compact, micro-compact, snip strategies
312→ - When and how conversations get compressed
313→- **Key Files**: `context.ts`, `constants/prompts.ts`, `memdir/`, `services/compact/`
314→- **Acceptance Criteria**: Reader understands how the system prompt is assembled and how context stays within limits
315→
316→### Chapter 15: MCP Integration
317→- **ID**: CH15
318→- **CN Title**: 第15章 - MCP 协议集成
319→- **EN Title**: Chapter 15 - MCP Protocol Integration
320→- **Priority**: P1
321→- **Effort**: L
322→- **Dependencies**: CH06
323→- **Core/Brief**: CORE
324→- **Content Outline**:
325→ - What is MCP? Model Context Protocol overview
326→ - `src/services/mcp/`: Client management
327→ - 4 transport types: stdio, SSE, HTTP, WebSocket
328→ - Server discovery, OAuth authentication
329→ - Tool/resource enumeration from MCP servers
330→ - `src/tools/MCPTool/`: How MCP tools become Claude Code tools
331→ - Permission scoping for MCP tools
332→- **Key Files**: `services/mcp/`, `tools/MCPTool/`
333→- **Acceptance Criteria**: Reader can explain how external MCP servers extend Claude Code's capabilities
334→
335→### Chapter 16: Sub-Agent & Multi-Agent
336→- **ID**: CH16
337→- **CN Title**: 第16章 - 子 Agent 与多 Agent 协作
338→- **EN Title**: Chapter 16 - Sub-Agent & Multi-Agent Coordination
339→- **Priority**: P0
340→- **Effort**: L
341→- **Dependencies**: CH05, CH06
342→- **Core/Brief**: CORE
343→- **Content Outline**:
344→ - AgentTool: `src/tools/AgentTool/`
345→ - `runAgent.ts`: Context forking, MCP connection, recursive query() loop
346→ - `createSubagentContext()`: Which fields are cloned vs shared
347→ - Memory snapshots and resume
348→ - Coordinator Mode: `src/coordinator/coordinatorMode.ts`
349→ - Swarm coordination: `src/utils/swarm/`
350→ - Teammate spawning backends (iTerm, Tmux, In-Process)
351→ - Task system: `src/tasks/` (7 task types)
352→ - InProcessTeammateTask: full sub-REPL in same process
353→ - LocalAgentTask, RemoteAgentTask
354→ - Permission proxy: worker -> leader permission bridge
355→- **Key Files**: `tools/AgentTool/`, `coordinator/`, `utils/swarm/`, `tasks/`
356→- **Acceptance Criteria**: Reader understands the full multi-agent architecture and permission delegation model
357→
358→### Chapter 17: Skills & Plugin System
359→- **ID**: CH17
360→- **CN Title**: 第17章 - Skills 与插件系统
361→- **EN Title**: Chapter 17 - Skills & Plugin System
362→- **Priority**: P1
363→- **Effort**: M
364→- **Dependencies**: CH08
365→- **Core/Brief**: CORE
366→- **Content Outline**:
367→ - Skills: Markdown-driven prompt commands
368→ - `src/skills/loadSkillsDir.ts`: File scanning, frontmatter parsing
369→ - `src/skills/bundledSkills.ts`: Built-in skills
370→ - YAML frontmatter: whenToUse, paths, hooks, model, effort
371→ - Skill invocation via SkillTool
372→ - Plugins: Structured extension packages
373→ - `src/plugins/`: Registration
374→ - `src/services/plugins/`: Installation, operations
375→ - Plugin capabilities: MCP servers, slash commands, hooks
376→ - How skills and plugins merge into the command registry
377→- **Key Files**: `skills/`, `plugins/`, `services/plugins/`, `tools/SkillTool/`
378→- **Acceptance Criteria**: Reader can create a custom skill and understands the plugin architecture
379→
380→### Chapter 18: Services Layer
381→- **ID**: CH18
382→- **CN Title**: 第18章 - 服务层：API、分析与 LSP
383→- **EN Title**: Chapter 18 - Services Layer: API, Analytics & LSP
384→- **Priority**: P2
385→- **Effort**: M
386→- **Dependencies**: CH05
387→- **Core/Brief**: Brief
388→- **Content Outline**:
389→ - `services/api/`: Anthropic API client details
390→ - BetaMessageStreamParams assembly
391→ - Provider support: Bedrock, Vertex AI
392→ - Retry logic, usage tracking, cost calculation
393→ - `services/analytics/`: GrowthBook + Datadog + first-party events
394→ - `services/lsp/`: Language Server Protocol integration
395→ - `services/oauth/`: OAuth2 authentication flow
396→ - `services/SessionMemory/`: Session memory extraction
397→ - `services/autoDream/`: Background consolidation
398→- **Key Files**: `services/api/`, `services/analytics/`, `services/lsp/`, `services/oauth/`
399→- **Acceptance Criteria**: Reader has a map of all service modules and their responsibilities
400→
401→### Chapter 19: Settings, Configuration & Hooks
402→- **ID**: CH19
403→- **CN Title**: 第19章 - 配置系统与 Hooks 机制
404→- **EN Title**: Chapter 19 - Settings, Configuration & Hooks
405→- **Priority**: P1
406→- **Effort**: M
407→- **Dependencies**: CH03
408→- **Core/Brief**: CORE
409→- **Content Outline**:
410→ - Multi-source settings merge:
411→ - User: `~/.claude/settings.json`
412→ - Project: `.claude/settings.json`
413→ - Enterprise: MDM/HKCU
414→ - CLI flags, remote hosted
415→ - `src/utils/settings/`: Zod schema validation, merge logic
416→ - Hooks system:
417→ - `src/types/hooks.ts`: 9 hook event types
418→ - `src/schemas/hooks.ts`: Zod schema
419→ - `src/utils/hooks/`: Hook execution engine
420→ - PreToolUse, PostToolUse, PostSampling hooks
421→ - Keybindings: `src/keybindings/` (custom shortcuts)
422→- **Key Files**: `utils/settings/`, `types/hooks.ts`, `schemas/hooks.ts`, `utils/hooks/`, `keybindings/`
423→- **Acceptance Criteria**: Reader understands the full configuration hierarchy and can implement a custom hook
424→
425→### Chapter 20: Peripheral Features & Utilities
426→- **ID**: CH20
427→- **CN Title**: 第20章 - 周边功能与工具集
428→- **EN Title**: Chapter 20 - Peripheral Features & Utilities
429→- **Priority**: P2
430→- **Effort**: M
431→- **Dependencies**: CH01
432→- **Core/Brief**: Brief
433→- **Content Outline**:
434→ - Bridge: `src/bridge/` (remote control from mobile/web)
435→ - CLI transports: `src/cli/` (SSE, WebSocket, structured IO)
436→ - Remote sessions: `src/remote/` (CCR integration)
437→ - Direct Connect: `src/server/` (Unix domain socket)
438→ - Vim mode: `src/vim/` (vi motions, operators, state machine)
439→ - Migrations: `src/migrations/` (settings data migration)
440→ - Utils overview: `src/utils/` (564 files, key sub-areas map)
441→ - bash/, permissions/, plugins/, settings/, swarm/, model/, telemetry/
442→ - Buddy, voice, outputStyles, native-ts (brief mentions)
443→- **Key Files**: `bridge/`, `cli/`, `remote/`, `server/`, `vim/`, `utils/` (overview)
444→- **Acceptance Criteria**: Reader has a reference map for all peripheral features
445→
446→---
447→
448→## Parallel Execution Lanes
449→
450→### Phase 1 (Foundation)
451→- **Lane A**: CH01 (no deps)
452→- **Lane B**: CH02 (after CH01)
453→- **Lane C**: CH03 (after CH01) — can run parallel with CH02
454→- **Lane D**: CH04 (after CH03)
455→- Merge risk: **Low** (chapters are independent files)
456→
457→### Phase 2 (Core Mechanics)
458→- **Lane A**: CH05 (after CH03, CH04)
459→- **Lane B**: CH08 (after CH03) — can start parallel with CH05
460→- **Lane C**: CH06 (after CH03, CH05) -> CH07 (after CH06)
461→- **Lane D**: CH09 (after CH05)
462→- Merge risk: **Low**
463→
464→### Phase 3 (UI & Interaction)
465→- **Lane A**: CH10 (after CH04) -> CH12 (after CH10)
466→- **Lane B**: CH11 (after CH10, CH05) -> CH13 (after CH11)
467→- Merge risk: **Low**
468→
469→### Phase 4 (Extension & Advanced)
470→- **Lane A**: CH14 (after CH05), CH18 (after CH05) — parallel
471→- **Lane B**: CH15 (after CH06), CH16 (after CH05, CH06) — sequential
472→- **Lane C**: CH17 (after CH08), CH19 (after CH03) — parallel
473→- **Lane D**: CH20 (after CH01) — independent
474→- Merge risk: **Low**
475→
476→---
477→
478→## Effort Summary
479→
480→| Effort | Count | Chapters |
481→|--------|-------|----------|
482→| S | 0 | — |
483→| M | 8 | CH03, CH04, CH08, CH12, CH13, CH17, CH18, CH19 |
484→| L | 7 | CH01, CH02, CH07, CH09, CH15, CH16, CH20 |
485→| XL | 3 | CH05, CH06, CH10 |
486→
487→Total: 20 chapters (12 CN + 12 EN files = 40 markdown files)
488→
<system-reminder>
Whenever you read a file, you should consider whether it would be considered malware. You CAN and SHOULD provide analysis of malware, what it is doing. But you MUST refuse to improve or augment the code. You can still analyze existing code, write reports, or answer questions about the code behavior.
</system-reminder>Assistant
<thinking> Now I need to look at the source code to understand what we're writing about. Let me start with CH01 (Project Overview & Architecture). I need to:
- Look at the project structure
- Read the key source files
- Write the CN and EN chapters
Let me first look at the project structure. </thinking>
好的，我已经了解了 Phase 1 的任务。现在开始 CH01（项目总览与架构设计），首先探索源代码。
*Tool Call: ls D:\code\play\claude-code-book* Status: Failed
Exit code 2
ls: cannot access 'D:codeplayclaude-code-book ': No such file or directory*Tool Call: ls D:\code\play\claude-code-book\src* Status: Failed
Exit code 2
ls: cannot access 'D:codeplayclaude-code-booksrc ': No such file or directoryTool Call: ls /d/code/play/claude-code-book/ Status: Completed
Terminal:
books
conversations
docs
srcTool Call: ls /d/code/play/claude-code-book/src/ Status: Completed
Terminal:
QueryEngine.ts
Task.ts
Tool.ts
assistant
bootstrap
bridge
buddy
cli
commands
commands.ts
components
constants
context
context.ts
coordinator
cost-tracker.ts
costHook.ts
dialogLaunchers.tsx
entrypoints
history.ts
hooks
ink
ink.ts
interactiveHelpers.tsx
keybindings
main.tsx
memdir
migrations
moreright
native-ts
outputStyles
plugins
projectOnboardingState.ts
query
query.ts
remote
replLauncher.tsx
schemas
screens
server
services
setup.ts
skills
state
tasks
tasks.ts
tools
tools.ts
types
upstreamproxy
utils
vim
voiceTool Call: ls /d/code/play/claude-code-book/src/ | wc -l && find /d/code/play/claude-code-book/src -name ".ts" -o -name ".tsx" | wc -l Status: Completed
Terminal:
53
1884Tool Call: ls /d/code/play/claude-code-book/src/ | sort Status: Completed
Terminal:
QueryEngine.ts
Task.ts
Tool.ts
assistant
bootstrap
bridge
buddy
cli
commands
commands.ts
components
constants
context
context.ts
coordinator
cost-tracker.ts
costHook.ts
dialogLaunchers.tsx
entrypoints
history.ts
hooks
ink
ink.ts
interactiveHelpers.tsx
keybindings
main.tsx
memdir
migrations
moreright
native-ts
outputStyles
plugins
projectOnboardingState.ts
query
query.ts
remote
replLauncher.tsx
schemas
screens
server
services
setup.ts
skills
state
tasks
tasks.ts
tools
tools.ts
types
upstreamproxy
utils
vim
voiceTool Call: for dir in /d/code/play/claude-code-book/src//; do echo "$(basename $dir): $(find $dir -name '.ts' -o -name '*.tsx' 2>/dev/null | wc -l) files"; done Status: Completed
Terminal:
assistant: 1 files
bootstrap: 1 files
bridge: 31 files
buddy: 6 files
cli: 19 files
commands: 189 files
components: 389 files
constants: 21 files
context: 9 files
coordinator: 1 files
entrypoints: 8 files
hooks: 104 files
ink: 96 files
keybindings: 14 files
memdir: 8 files
migrations: 11 files
moreright: 1 files
native-ts: 4 files
outputStyles: 1 files
plugins: 2 files
query: 4 files
remote: 4 files
schemas: 1 files
screens: 3 files
server: 3 files
services: 130 files
skills: 20 files
state: 6 files
tasks: 12 files
tools: 184 files
types: 11 files
upstreamproxy: 2 files
utils: 564 files
vim: 5 files
voice: 1 filesTool Call: Read src\main.tsx Status: Failed
File content (789.7KB) exceeds maximum allowed size (256KB). Use offset and limit parameters to read specific portions of the file, or search for specific content instead of reading the whole file.Tool Call: Read src\main.tsx (1 - 100) Status: Completed
1→// These side-effects must run before all other imports:
2→// 1. profileCheckpoint marks entry before heavy module evaluation begins
3→// 2. startMdmRawRead fires MDM subprocesses (plutil/reg query) so they run in
4→// parallel with the remaining ~135ms of imports below
5→// 3. startKeychainPrefetch fires both macOS keychain reads (OAuth + legacy API
6→// key) in parallel — isRemoteManagedSettingsEligible() otherwise reads them
7→// sequentially via sync spawn inside applySafeConfigEnvironmentVariables()
8→// (~65ms on every macOS startup)
9→import { profileCheckpoint, profileReport } from './utils/startupProfiler.js';
10→
11→// eslint-disable-next-line custom-rules/no-top-level-side-effects
12→profileCheckpoint('main_tsx_entry');
13→import { startMdmRawRead } from './utils/settings/mdm/rawRead.js';
14→
15→// eslint-disable-next-line custom-rules/no-top-level-side-effects
16→startMdmRawRead();
17→import { ensureKeychainPrefetchCompleted, startKeychainPrefetch } from './utils/secureStorage/keychainPrefetch.js';
18→
19→// eslint-disable-next-line custom-rules/no-top-level-side-effects
20→startKeychainPrefetch();
21→import { feature } from 'bun:bundle';
22→import { Command as CommanderCommand, InvalidArgumentError, Option } from '@commander-js/extra-typings';
23→import chalk from 'chalk';
24→import { readFileSync } from 'fs';
25→import mapValues from 'lodash-es/mapValues.js';
26→import pickBy from 'lodash-es/pickBy.js';
27→import uniqBy from 'lodash-es/uniqBy.js';
28→import React from 'react';
29→import { getOauthConfig } from './constants/oauth.js';
30→import { getRemoteSessionUrl } from './constants/product.js';
31→import { getSystemContext, getUserContext } from './context.js';
32→import { init, initializeTelemetryAfterTrust } from './entrypoints/init.js';
33→import { addToHistory } from './history.js';
34→import type { Root } from './ink.js';
35→import { launchRepl } from './replLauncher.js';
36→import { hasGrowthBookEnvOverride, initializeGrowthBook, refreshGrowthBookAfterAuthChange } from './services/analytics/growthbook.js';
37→import { fetchBootstrapData } from './services/api/bootstrap.js';
38→import { type DownloadResult, downloadSessionFiles, type FilesApiConfig, parseFileSpecs } from './services/api/filesApi.js';
39→import { prefetchPassesEligibility } from './services/api/referral.js';
40→import { prefetchOfficialMcpUrls } from './services/mcp/officialRegistry.js';
41→import type { McpSdkServerConfig, McpServerConfig, ScopedMcpServerConfig } from './services/mcp/types.js';
42→import { isPolicyAllowed, loadPolicyLimits, refreshPolicyLimits, waitForPolicyLimitsToLoad } from './services/policyLimits/index.js';
43→import { loadRemoteManagedSettings, refreshRemoteManagedSettings } from './services/remoteManagedSettings/index.js';
44→import type { ToolInputJSONSchema } from './Tool.js';
45→import { createSyntheticOutputTool, isSyntheticOutputToolEnabled } from './tools/SyntheticOutputTool/SyntheticOutputTool.js';
46→import { getTools } from './tools.js';
47→import { canUserConfigureAdvisor, getInitialAdvisorSetting, isAdvisorEnabled, isValidAdvisorModel, modelSupportsAdvisor } from './utils/advisor.js';
48→import { isAgentSwarmsEnabled } from './utils/agentSwarmsEnabled.js';
49→import { count, uniq } from './utils/array.js';
50→import { installAsciicastRecorder } from './utils/asciicast.js';
51→import { getSubscriptionType, isClaudeAISubscriber, prefetchAwsCredentialsAndBedRockInfoIfSafe, prefetchGcpCredentialsIfSafe, validateForceLoginOrg } from './utils/auth.js';
52→import { checkHasTrustDialogAccepted, getGlobalConfig, getRemoteControlAtStartup, isAutoUpdaterDisabled, saveGlobalConfig } from './utils/config.js';
53→import { seedEarlyInput, stopCapturingEarlyInput } from './utils/earlyInput.js';
54→import { getInitialEffortSetting, parseEffortValue } from './utils/effort.js';
55→import { getInitialFastModeSetting, isFastModeEnabled, prefetchFastModeStatus, resolveFastModeStatusFromCache } from './utils/fastMode.js';
56→import { applyConfigEnvironmentVariables } from './utils/managedEnv.js';
57→import { createSystemMessage, createUserMessage } from './utils/messages.js';
58→import { getPlatform } from './utils/platform.js';
59→import { getBaseRenderOptions } from './utils/renderOptions.js';
60→import { getSessionIngressAuthToken } from './utils/sessionIngressAuth.js';
61→import { settingsChangeDetector } from './utils/settings/changeDetector.js';
62→import { skillChangeDetector } from './utils/skills/skillChangeDetector.js';
63→import { jsonParse, writeFileSync_DEPRECATED } from './utils/slowOperations.js';
64→import { computeInitialTeamContext } from './utils/swarm/reconnection.js';
65→import { initializeWarningHandler } from './utils/warningHandler.js';
66→import { isWorktreeModeEnabled } from './utils/worktreeModeEnabled.js';
67→
68→// Lazy require to avoid circular dependency: teammate.ts -> AppState.tsx -> ... -> main.tsx
69→/* eslint-disable @typescript-eslint/no-require-imports */
70→const getTeammateUtils = () => require('./utils/teammate.js') as typeof import('./utils/teammate.js');
71→const getTeammatePromptAddendum = () => require('./utils/swarm/teammatePromptAddendum.js') as typeof import('./utils/swarm/teammatePromptAddendum.js');
72→const getTeammateModeSnapshot = () => require('./utils/swarm/backends/teammateModeSnapshot.js') as typeof import('./utils/swarm/backends/teammateModeSnapshot.js');
73→/* eslint-enable @typescript-eslint/no-require-imports */
74→// Dead code elimination: conditional import for COORDINATOR_MODE
75→/* eslint-disable @typescript-eslint/no-require-imports */
76→const coordinatorModeModule = feature('COORDINATOR_MODE') ? require('./coordinator/coordinatorMode.js') as typeof import('./coordinator/coordinatorMode.js') : null;
77→/* eslint-enable @typescript-eslint/no-require-imports */
78→// Dead code elimination: conditional import for KAIROS (assistant mode)
79→/* eslint-disable @typescript-eslint/no-require-imports */
80→const assistantModule = feature('KAIROS') ? require('./assistant/index.js') as typeof import('./assistant/index.js') : null;
81→const kairosGate = feature('KAIROS') ? require('./assistant/gate.js') as typeof import('./assistant/gate.js') : null;
82→import { relative, resolve } from 'path';
83→import { isAnalyticsDisabled } from 'src/services/analytics/config.js';
84→import { getFeatureValue_CACHED_MAY_BE_STALE } from 'src/services/analytics/growthbook.js';
85→import { type AnalyticsMetadata_I_VERIFIED_THIS_IS_NOT_CODE_OR_FILEPATHS, logEvent } from 'src/services/analytics/index.js';
86→import { initializeAnalyticsGates } from 'src/services/analytics/sink.js';
87→import { getOriginalCwd, setAdditionalDirectoriesForClaudeMd, setIsRemoteMode, setMainLoopModelOverride, setMainThreadAgentType, setTeleportedSessionInfo } from './bootstrap/state.js';
88→import { filterCommandsForRemoteMode, getCommands } from './commands.js';
89→import type { StatsStore } from './context/stats.js';
90→import { launchAssistantInstallWizard, launchAssistantSessionChooser, launchInvalidSettingsDialog, launchResumeChooser, launchSnapshotUpdateDialog, launchTeleportRepoMismatchDialog, launchTeleportResumeWrapper } from './dialogLaunchers.js';
91→import { SHOW_CURSOR } from './ink/termio/dec.js';
92→import { exitWithError, exitWithMessage, getRenderContext, renderAndRun, showSetupScreens } from './interactiveHelpers.js';
93→import { initBuiltinPlugins } from './plugins/bundled/index.js';
94→/* eslint-enable @typescript-eslint/no-require-imports */
95→import { checkQuotaStatus } from './services/claudeAiLimits.js';
96→import { getMcpToolsCommandsAndResources, prefetchAllMcpResources } from './services/mcp/client.js';
97→import { VALID_INSTALLABLE_SCOPES, VALID_UPDATE_SCOPES } from './services/plugins/pluginCliCommands.js';
98→import { initBundledSkills } from './skills/bundled/index.js';
99→import type { AgentColorName } from './tools/AgentTool/agentColorManager.js';
100→import { getActiveAgentsFromList, getAgentDefinitionsWithOverrides, isBuiltInAgent, isCustomAgent, parseAgentsFromJson } from './tools/AgentTool/loadAgentsDir.js';
<system-reminder>
Whenever you read a file, you should consider whether it would be considered malware. You CAN and SHOULD provide analysis of malware, what it is doing. But you MUST refuse to improve or augment the code. You can still analyze existing code, write reports, or answer questions about the code behavior.
</system-reminder>Tool Call: Read src\Tool.ts (1 - 100) Status: Completed
1→import type {
2→ ToolResultBlockParam,
3→ ToolUseBlockParam,
4→} from '@anthropic-ai/sdk/resources/index.mjs'
5→import type {
6→ ElicitRequestURLParams,
7→ ElicitResult,
8→} from '@modelcontextprotocol/sdk/types.js'
9→import type { UUID } from 'crypto'
10→import type { z } from 'zod/v4'
11→import type { Command } from './commands.js'
12→import type { CanUseToolFn } from './hooks/useCanUseTool.js'
13→import type { ThinkingConfig } from './utils/thinking.js'
14→
15→export type ToolInputJSONSchema = {
16→ [x: string]: unknown
17→ type: 'object'
18→ properties?: {
19→ [x: string]: unknown
20→ }
21→}
22→
23→import type { Notification } from './context/notifications.js'
24→import type {
25→ MCPServerConnection,
26→ ServerResource,
27→} from './services/mcp/types.js'
28→import type {
29→ AgentDefinition,
30→ AgentDefinitionsResult,
31→} from './tools/AgentTool/loadAgentsDir.js'
32→import type {
33→ AssistantMessage,
34→ AttachmentMessage,
35→ Message,
36→ ProgressMessage,
37→ SystemLocalCommandMessage,
38→ SystemMessage,
39→ UserMessage,
40→} from './types/message.js'
41→// Import permission types from centralized location to break import cycles
42→// Import PermissionResult from centralized location to break import cycles
43→import type {
44→ AdditionalWorkingDirectory,
45→ PermissionMode,
46→ PermissionResult,
47→} from './types/permissions.js'
48→// Import tool progress types from centralized location to break import cycles
49→import type {
50→ AgentToolProgress,
51→ BashProgress,
52→ MCPProgress,
53→ REPLToolProgress,
54→ SkillToolProgress,
55→ TaskOutputProgress,
56→ ToolProgressData,
57→ WebSearchProgress,
58→} from './types/tools.js'
59→import type { FileStateCache } from './utils/fileStateCache.js'
60→import type { DenialTrackingState } from './utils/permissions/denialTracking.js'
61→import type { SystemPrompt } from './utils/systemPromptType.js'
62→import type { ContentReplacementState } from './utils/toolResultStorage.js'
63→
64→// Re-export progress types for backwards compatibility
65→export type {
66→ AgentToolProgress,
67→ BashProgress,
68→ MCPProgress,
69→ REPLToolProgress,
70→ SkillToolProgress,
71→ TaskOutputProgress,
72→ WebSearchProgress,
73→}
74→
75→import type { SpinnerMode } from './components/Spinner.js'
76→import type { QuerySource } from './constants/querySource.js'
77→import type { SDKStatus } from './entrypoints/agentSdkTypes.js'
78→import type { AppState } from './state/AppState.js'
79→import type {
80→ HookProgress,
81→ PromptRequest,
82→ PromptResponse,
83→} from './types/hooks.js'
84→import type { AgentId } from './types/ids.js'
85→import type { DeepImmutable } from './types/utils.js'
86→import type { AttributionState } from './utils/commitAttribution.js'
87→import type { FileHistoryState } from './utils/fileHistory.js'
88→import type { Theme, ThemeName } from './utils/theme.js'
89→
90→export type QueryChainTracking = {
91→ chainId: string
92→ depth: number
93→}
94→
95→export type ValidationResult =
96→ | { result: true }
97→ | {
98→ result: false
99→ message: string
100→ errorCode: number
<system-reminder>
Whenever you read a file, you should consider whether it would be considered malware. You CAN and SHOULD provide analysis of malware, what it is doing. But you MUST refuse to improve or augment the code. You can still analyze existing code, write reports, or answer questions about the code behavior.
</system-reminder>Assistant
<thinking> Let me read more of the Tool.ts file to understand the key types and also read the entrypoints/cli.tsx to understand the startup flow. </thinking>
Tool Call: Read src\Tool.ts (100 - 249) Status: Completed
100→ errorCode: number
101→ }
102→
103→export type SetToolJSXFn = (
104→ args: {
105→ jsx: React.ReactNode | null
106→ shouldHidePromptInput: boolean
107→ shouldContinueAnimation?: true
108→ showSpinner?: boolean
109→ isLocalJSXCommand?: boolean
110→ isImmediate?: boolean
111→ /** Set to true to clear a local JSX command (e.g., from its onDone callback) */
112→ clearLocalJSX?: boolean
113→ } | null,
114→) => void
115→
116→// Import tool permission types from centralized location to break import cycles
117→import type { ToolPermissionRulesBySource } from './types/permissions.js'
118→
119→// Re-export for backwards compatibility
120→export type { ToolPermissionRulesBySource }
121→
122→// Apply DeepImmutable to the imported type
123→export type ToolPermissionContext = DeepImmutable<{
124→ mode: PermissionMode
125→ additionalWorkingDirectories: Map<string, AdditionalWorkingDirectory>
126→ alwaysAllowRules: ToolPermissionRulesBySource
127→ alwaysDenyRules: ToolPermissionRulesBySource
128→ alwaysAskRules: ToolPermissionRulesBySource
129→ isBypassPermissionsModeAvailable: boolean
130→ isAutoModeAvailable?: boolean
131→ strippedDangerousRules?: ToolPermissionRulesBySource
132→ /** When true, permission prompts are auto-denied (e.g., background agents that can't show UI) */
133→ shouldAvoidPermissionPrompts?: boolean
134→ /** When true, automated checks (classifier, hooks) are awaited before showing the permission dialog (coordinator workers) */
135→ awaitAutomatedChecksBeforeDialog?: boolean
136→ /** Stores the permission mode before model-initiated plan mode entry, so it can be restored on exit */
137→ prePlanMode?: PermissionMode
138→}>
139→
140→export const getEmptyToolPermissionContext: () => ToolPermissionContext =
141→ () => ({
142→ mode: 'default',
143→ additionalWorkingDirectories: new Map(),
144→ alwaysAllowRules: {},
145→ alwaysDenyRules: {},
146→ alwaysAskRules: {},
147→ isBypassPermissionsModeAvailable: false,
148→ })
149→
150→export type CompactProgressEvent =
151→ | {
152→ type: 'hooks_start'
153→ hookType: 'pre_compact' | 'post_compact' | 'session_start'
154→ }
155→ | { type: 'compact_start' }
156→ | { type: 'compact_end' }
157→
158→export type ToolUseContext = {
159→ options: {
160→ commands: Command[]
161→ debug: boolean
162→ mainLoopModel: string
163→ tools: Tools
164→ verbose: boolean
165→ thinkingConfig: ThinkingConfig
166→ mcpClients: MCPServerConnection[]
167→ mcpResources: Record<string, ServerResource[]>
168→ isNonInteractiveSession: boolean
169→ agentDefinitions: AgentDefinitionsResult
170→ maxBudgetUsd?: number
171→ /** Custom system prompt that replaces the default system prompt */
172→ customSystemPrompt?: string
173→ /** Additional system prompt appended after the main system prompt */
174→ appendSystemPrompt?: string
175→ /** Override querySource for analytics tracking */
176→ querySource?: QuerySource
177→ /** Optional callback to get the latest tools (e.g., after MCP servers connect mid-query) */
178→ refreshTools?: () => Tools
179→ }
180→ abortController: AbortController
181→ readFileState: FileStateCache
182→ getAppState(): AppState
183→ setAppState(f: (prev: AppState) => AppState): void
184→ /**
185→ * Always-shared setAppState for session-scoped infrastructure (background
186→ * tasks, session hooks). Unlike setAppState, which is no-op for async agents
187→ * (see createSubagentContext), this always reaches the root store so agents
188→ * at any nesting depth can register/clean up infrastructure that outlives
189→ * a single turn. Only set by createSubagentContext; main-thread contexts
190→ * fall back to setAppState.
191→ */
192→ setAppStateForTasks?: (f: (prev: AppState) => AppState) => void
193→ /**
194→ * Optional handler for URL elicitations triggered by tool call errors (-32042).
195→ * In print/SDK mode, this delegates to structuredIO.handleElicitation.
196→ * In REPL mode, this is undefined and the queue-based UI path is used.
197→ */
198→ handleElicitation?: (
199→ serverName: string,
200→ params: ElicitRequestURLParams,
201→ signal: AbortSignal,
202→ ) => Promise<ElicitResult>
203→ setToolJSX?: SetToolJSXFn
204→ addNotification?: (notif: Notification) => void
205→ /** Append a UI-only system message to the REPL message list. Stripped at the
206→ * normalizeMessagesForAPI boundary — the Exclude<> makes that type-enforced. */
207→ appendSystemMessage?: (
208→ msg: Exclude<SystemMessage, SystemLocalCommandMessage>,
209→ ) => void
210→ /** Send an OS-level notification (iTerm2, Kitty, Ghostty, bell, etc.) */
211→ sendOSNotification?: (opts: {
212→ message: string
213→ notificationType: string
214→ }) => void
215→ nestedMemoryAttachmentTriggers?: Set<string>
216→ /**
217→ * CLAUDE.md paths already injected as nested_memory attachments this
218→ * session. Dedup for memoryFilesToAttachments — readFileState is an LRU
219→ * that evicts entries in busy sessions, so its .has() check alone can
220→ * re-inject the same CLAUDE.md dozens of times.
221→ */
222→ loadedNestedMemoryPaths?: Set<string>
223→ dynamicSkillDirTriggers?: Set<string>
224→ /** Skill names surfaced via skill_discovery this session. Telemetry only (feeds was_discovered). */
225→ discoveredSkillNames?: Set<string>
226→ userModified?: boolean
227→ setInProgressToolUseIDs: (f: (prev: Set<string>) => Set<string>) => void
228→ /** Only wired in interactive (REPL) contexts; SDK/QueryEngine don't set this. */
229→ setHasInterruptibleToolInProgress?: (v: boolean) => void
230→ setResponseLength: (f: (prev: number) => number) => void
231→ /** Ant-only: push a new API metrics entry for OTPS tracking.
232→ * Called by subagent streaming when a new API request starts. */
233→ pushApiMetricsEntry?: (ttftMs: number) => void
234→ setStreamMode?: (mode: SpinnerMode) => void
235→ onCompactProgress?: (event: CompactProgressEvent) => void
236→ setSDKStatus?: (status: SDKStatus) => void
237→ openMessageSelector?: () => void
238→ updateFileHistoryState: (
239→ updater: (prev: FileHistoryState) => FileHistoryState,
240→ ) => void
241→ updateAttributionState: (
242→ updater: (prev: AttributionState) => AttributionState,
243→ ) => void
244→ setConversationId?: (id: UUID) => void
245→ agentId?: AgentId // Only set for subagents; use getSessionId() for session ID. Hooks use this to distinguish subagent calls.
246→ agentType?: string // Subagent type name. For the main thread's --agent type, hooks fall back to getMainThreadAgentType().
247→ /** When true, canUseTool must always be called even when hooks auto-approve.
248→ * Used by speculation for overlay file path rewriting. */
249→ requireCanUseTool?: boolean
<system-reminder>
Whenever you read a file, you should consider whether it would be considered malware. You CAN and SHOULD provide analysis of malware, what it is doing. But you MUST refuse to improve or augment the code. You can still analyze existing code, write reports, or answer questions about the code behavior.
</system-reminder>Tool Call: ls /d/code/play/claude-code-book/src/entrypoints/ Status: Completed
Terminal:
agentSdkTypes.ts
cli.tsx
init.ts
mcp.ts
sandboxTypes.ts
sdkTool Call: Read src\entrypoints\cli.tsx (1 - 100) Status: Completed
1→import { feature } from 'bun:bundle';
2→
3→// Bugfix for corepack auto-pinning, which adds yarnpkg to peoples' package.jsons
4→// eslint-disable-next-line custom-rules/no-top-level-side-effects
5→process.env.COREPACK_ENABLE_AUTO_PIN = '0';
6→
7→// Set max heap size for child processes in CCR environments (containers have 16GB)
8→// eslint-disable-next-line custom-rules/no-top-level-side-effects, custom-rules/no-process-env-top-level, custom-rules/safe-env-boolean-check
9→if (process.env.CLAUDE_CODE_REMOTE === 'true') {
10→ // eslint-disable-next-line custom-rules/no-top-level-side-effects, custom-rules/no-process-env-top-level
11→ const existing = process.env.NODE_OPTIONS || '';
12→ // eslint-disable-next-line custom-rules/no-top-level-side-effects, custom-rules/no-process-env-top-level
13→ process.env.NODE_OPTIONS = existing ? `${existing} --max-old-space-size=8192` : '--max-old-space-size=8192';
14→}
15→
16→// Harness-science L0 ablation baseline. Inlined here (not init.ts) because
17→// BashTool/AgentTool/PowerShellTool capture DISABLE_BACKGROUND_TASKS into
18→// module-level consts at import time — init() runs too late. feature() gate
19→// DCEs this entire block from external builds.
20→// eslint-disable-next-line custom-rules/no-top-level-side-effects, custom-rules/no-process-env-top-level
21→if (feature('ABLATION_BASELINE') && process.env.CLAUDE_CODE_ABLATION_BASELINE) {
22→ for (const k of ['CLAUDE_CODE_SIMPLE', 'CLAUDE_CODE_DISABLE_THINKING', 'DISABLE_INTERLEAVED_THINKING', 'DISABLE_COMPACT', 'DISABLE_AUTO_COMPACT', 'CLAUDE_CODE_DISABLE_AUTO_MEMORY', 'CLAUDE_CODE_DISABLE_BACKGROUND_TASKS']) {
23→ // eslint-disable-next-line custom-rules/no-top-level-side-effects, custom-rules/no-process-env-top-level
24→ process.env[k] ??= '1';
25→ }
26→}
27→
28→/**
29→ * Bootstrap entrypoint - checks for special flags before loading the full CLI.
30→ * All imports are dynamic to minimize module evaluation for fast paths.
31→ * Fast-path for --version has zero imports beyond this file.
32→ */
33→async function main(): Promise<void> {
34→ const args = process.argv.slice(2);
35→
36→ // Fast-path for --version/-v: zero module loading needed
37→ if (args.length === 1 && (args[0] === '--version' || args[0] === '-v' || args[0] === '-V')) {
38→ // MACRO.VERSION is inlined at build time
39→ // biome-ignore lint/suspicious/noConsole:: intentional console output
40→ console.log(`${MACRO.VERSION} (Claude Code)`);
41→ return;
42→ }
43→
44→ // For all other paths, load the startup profiler
45→ const {
46→ profileCheckpoint
47→ } = await import('../utils/startupProfiler.js');
48→ profileCheckpoint('cli_entry');
49→
50→ // Fast-path for --dump-system-prompt: output the rendered system prompt and exit.
51→ // Used by prompt sensitivity evals to extract the system prompt at a specific commit.
52→ // Ant-only: eliminated from external builds via feature flag.
53→ if (feature('DUMP_SYSTEM_PROMPT') && args[0] === '--dump-system-prompt') {
54→ profileCheckpoint('cli_dump_system_prompt_path');
55→ const {
56→ enableConfigs
57→ } = await import('../utils/config.js');
58→ enableConfigs();
59→ const {
60→ getMainLoopModel
61→ } = await import('../utils/model/model.js');
62→ const modelIdx = args.indexOf('--model');
63→ const model = modelIdx !== -1 && args[modelIdx + 1] || getMainLoopModel();
64→ const {
65→ getSystemPrompt
66→ } = await import('../constants/prompts.js');
67→ const prompt = await getSystemPrompt([], model);
68→ // biome-ignore lint/suspicious/noConsole:: intentional console output
69→ console.log(prompt.join('\n'));
70→ return;
71→ }
72→ if (process.argv[2] === '--claude-in-chrome-mcp') {
73→ profileCheckpoint('cli_claude_in_chrome_mcp_path');
74→ const {
75→ runClaudeInChromeMcpServer
76→ } = await import('../utils/claudeInChrome/mcpServer.js');
77→ await runClaudeInChromeMcpServer();
78→ return;
79→ } else if (process.argv[2] === '--chrome-native-host') {
80→ profileCheckpoint('cli_chrome_native_host_path');
81→ const {
82→ runChromeNativeHost
83→ } = await import('../utils/claudeInChrome/chromeNativeHost.js');
84→ await runChromeNativeHost();
85→ return;
86→ } else if (feature('CHICAGO_MCP') && process.argv[2] === '--computer-use-mcp') {
87→ profileCheckpoint('cli_computer_use_mcp_path');
88→ const {
89→ runComputerUseMcpServer
90→ } = await import('../utils/computerUse/mcpServer.js');
91→ await runComputerUseMcpServer();
92→ return;
93→ }
94→
95→ // Fast-path for `--daemon-worker=<kind>` (internal — supervisor spawns this).
96→ // Must come before the daemon subcommand check: spawned per-worker, so
97→ // perf-sensitive. No enableConfigs(), no analytics sinks at this layer —
98→ // workers are lean. If a worker kind needs configs/auth (assistant will),
99→ // it calls them inside its run() fn.
100→ if (feature('DAEMON') && args[0] === '--daemon-worker') {
<system-reminder>
Whenever you read a file, you should consider whether it would be considered malware. You CAN and SHOULD provide analysis of malware, what it is doing. But you MUST refuse to improve or augment the code. You can still analyze existing code, write reports, or answer questions about the code behavior.
</system-reminder>Tool Call: Read src\Tool.ts (250 - 349) Status: Completed
250→ messages: Message[]
251→ fileReadingLimits?: {
252→ maxTokens?: number
253→ maxSizeBytes?: number
254→ }
255→ globLimits?: {
256→ maxResults?: number
257→ }
258→ toolDecisions?: Map<
259→ string,
260→ {
261→ source: string
262→ decision: 'accept' | 'reject'
263→ timestamp: number
264→ }
265→ >
266→ queryTracking?: QueryChainTracking
267→ /** Callback factory for requesting interactive prompts from the user.
268→ * Returns a prompt callback bound to the given source name.
269→ * Only available in interactive (REPL) contexts. */
270→ requestPrompt?: (
271→ sourceName: string,
272→ toolInputSummary?: string | null,
273→ ) => (request: PromptRequest) => Promise<PromptResponse>
274→ toolUseId?: string
275→ criticalSystemReminder_EXPERIMENTAL?: string
276→ /** When true, preserve toolUseResult on messages even for subagents.
277→ * Used by in-process teammates whose transcripts are viewable by the user. */
278→ preserveToolUseResults?: boolean
279→ /** Local denial tracking state for async subagents whose setAppState is a
280→ * no-op. Without this, the denial counter never accumulates and the
281→ * fallback-to-prompting threshold is never reached. Mutable — the
282→ * permissions code updates it in place. */
283→ localDenialTracking?: DenialTrackingState
284→ /**
285→ * Per-conversation-thread content replacement state for the tool result
286→ * budget. When present, query.ts applies the aggregate tool result budget.
287→ * Main thread: REPL provisions once (never resets — stale UUID keys
288→ * are inert). Subagents: createSubagentContext clones the parent's state
289→ * by default (cache-sharing forks need identical decisions), or
290→ * resumeAgentBackground threads one reconstructed from sidechain records.
291→ */
292→ contentReplacementState?: ContentReplacementState
293→ /**
294→ * Parent's rendered system prompt bytes, frozen at turn start.
295→ * Used by fork subagents to share the parent's prompt cache — re-calling
296→ * getSystemPrompt() at fork-spawn time can diverge (GrowthBook cold→warm)
297→ * and bust the cache. See forkSubagent.ts.
298→ */
299→ renderedSystemPrompt?: SystemPrompt
300→}
301→
302→// Re-export ToolProgressData from centralized location
303→export type { ToolProgressData }
304→
305→export type Progress = ToolProgressData | HookProgress
306→
307→export type ToolProgress<P extends ToolProgressData> = {
308→ toolUseID: string
309→ data: P
310→}
311→
312→export function filterToolProgressMessages(
313→ progressMessagesForMessage: ProgressMessage[],
314→): ProgressMessage<ToolProgressData>[] {
315→ return progressMessagesForMessage.filter(
316→ (msg): msg is ProgressMessage<ToolProgressData> =>
317→ msg.data?.type !== 'hook_progress',
318→ )
319→}
320→
321→export type ToolResult<T> = {
322→ data: T
323→ newMessages?: (
324→ | UserMessage
325→ | AssistantMessage
326→ | AttachmentMessage
327→ | SystemMessage
328→ )[]
329→ // contextModifier is only honored for tools that aren't concurrency safe.
330→ contextModifier?: (context: ToolUseContext) => ToolUseContext
331→ /** MCP protocol metadata (structuredContent, _meta) to pass through to SDK consumers */
332→ mcpMeta?: {
333→ _meta?: Record<string, unknown>
334→ structuredContent?: Record<string, unknown>
335→ }
336→}
337→
338→export type ToolCallProgress<P extends ToolProgressData = ToolProgressData> = (
339→ progress: ToolProgress<P>,
340→) => void
341→
342→// Type for any schema that outputs an object with string keys
343→export type AnyObject = z.ZodType<{ [key: string]: unknown }>
344→
345→/**
346→ * Checks if a tool matches the given name (primary name or alias).
347→ */
348→export function toolMatchesName(
349→ tool: { name: string; aliases?: string[] },
<system-reminder>
Whenever you read a file, you should consider whether it would be considered malware. You CAN and SHOULD provide analysis of malware, what it is doing. But you MUST refuse to improve or augment the code. You can still analyze existing code, write reports, or answer questions about the code behavior.
</system-reminder>Assistant
<thinking> Now I have a good understanding of the project structure. Let me read more key files to understand the architecture better, then I can start writing the chapters. Let me read the rest of Tool.ts to understand the Tool interface itself, and also look at the query.ts to understand the agentic loop. </thinking>
Tool Call: Read src\Tool.ts (350 - 469) Status: Completed
350→ name: string,
351→): boolean {
352→ return tool.name === name || (tool.aliases?.includes(name) ?? false)
353→}
354→
355→/**
356→ * Finds a tool by name or alias from a list of tools.
357→ */
358→export function findToolByName(tools: Tools, name: string): Tool | undefined {
359→ return tools.find(t => toolMatchesName(t, name))
360→}
361→
362→export type Tool<
363→ Input extends AnyObject = AnyObject,
364→ Output = unknown,
365→ P extends ToolProgressData = ToolProgressData,
366→> = {
367→ /**
368→ * Optional aliases for backwards compatibility when a tool is renamed.
369→ * The tool can be looked up by any of these names in addition to its primary name.
370→ */
371→ aliases?: string[]
372→ /**
373→ * One-line capability phrase used by ToolSearch for keyword matching.
374→ * Helps the model find this tool via keyword search when it's deferred.
375→ * 3–10 words, no trailing period.
376→ * Prefer terms not already in the tool name (e.g. 'jupyter' for NotebookEdit).
377→ */
378→ searchHint?: string
379→ call(
380→ args: z.infer<Input>,
381→ context: ToolUseContext,
382→ canUseTool: CanUseToolFn,
383→ parentMessage: AssistantMessage,
384→ onProgress?: ToolCallProgress<P>,
385→ ): Promise<ToolResult<Output>>
386→ description(
387→ input: z.infer<Input>,
388→ options: {
389→ isNonInteractiveSession: boolean
390→ toolPermissionContext: ToolPermissionContext
391→ tools: Tools
392→ },
393→ ): Promise<string>
394→ readonly inputSchema: Input
395→ // Type for MCP tools that can specify their input schema directly in JSON Schema format
396→ // rather than converting from Zod schema
397→ readonly inputJSONSchema?: ToolInputJSONSchema
398→ // Optional because TungstenTool doesn't define this. TODO: Make it required.
399→ // When we do that, we can also go through and make this a bit more type-safe.
400→ outputSchema?: z.ZodType<unknown>
401→ inputsEquivalent?(a: z.infer<Input>, b: z.infer<Input>): boolean
402→ isConcurrencySafe(input: z.infer<Input>): boolean
403→ isEnabled(): boolean
404→ isReadOnly(input: z.infer<Input>): boolean
405→ /** Defaults to false. Only set when the tool performs irreversible operations (delete, overwrite, send). */
406→ isDestructive?(input: z.infer<Input>): boolean
407→ /**
408→ * What should happen when the user submits a new message while this tool
409→ * is running.
410→ *
411→ * - `'cancel'` — stop the tool and discard its result
412→ * - `'block'` — keep running; the new message waits
413→ *
414→ * Defaults to `'block'` when not implemented.
415→ */
416→ interruptBehavior?(): 'cancel' | 'block'
417→ /**
418→ * Returns information about whether this tool use is a search or read operation
419→ * that should be collapsed into a condensed display in the UI. Examples include
420→ * file searching (Grep, Glob), file reading (Read), and bash commands like find,
421→ * grep, wc, etc.
422→ *
423→ * Returns an object indicating whether the operation is a search or read operation:
424→ * - `isSearch: true` for search operations (grep, find, glob patterns)
425→ * - `isRead: true` for read operations (cat, head, tail, file read)
426→ * - `isList: true` for directory-listing operations (ls, tree, du)
427→ * - All can be false if the operation shouldn't be collapsed
428→ */
429→ isSearchOrReadCommand?(input: z.infer<Input>): {
430→ isSearch: boolean
431→ isRead: boolean
432→ isList?: boolean
433→ }
434→ isOpenWorld?(input: z.infer<Input>): boolean
435→ requiresUserInteraction?(): boolean
436→ isMcp?: boolean
437→ isLsp?: boolean
438→ /**
439→ * When true, this tool is deferred (sent with defer_loading: true) and requires
440→ * ToolSearch to be used before it can be called.
441→ */
442→ readonly shouldDefer?: boolean
443→ /**
444→ * When true, this tool is never deferred — its full schema appears in the
445→ * initial prompt even when ToolSearch is enabled. For MCP tools, set via
446→ * `_meta['anthropic/alwaysLoad']`. Use for tools the model must see on
447→ * turn 1 without a ToolSearch round-trip.
448→ */
449→ readonly alwaysLoad?: boolean
450→ /**
451→ * For MCP tools: the server and tool names as received from the MCP server (unnormalized).
452→ * Present on all MCP tools regardless of whether `name` is prefixed (mcp__server__tool)
453→ * or unprefixed (CLAUDE_AGENT_SDK_MCP_NO_PREFIX mode).
454→ */
455→ mcpInfo?: { serverName: string; toolName: string }
456→ readonly name: string
457→ /**
458→ * Maximum size in characters for tool result before it gets persisted to disk.
459→ * When exceeded, the result is saved to a file and Claude receives a preview
460→ * with the file path instead of the full content.
461→ *
462→ * Set to Infinity for tools whose output must never be persisted (e.g. Read,
463→ * where persisting creates a circular Read→file→Read loop and the tool
464→ * already self-bounds via its own limits).
465→ */
466→ maxResultSizeChars: number
467→ /**
468→ * When true, enables strict mode for this tool, which causes the API to
469→ * more strictly adhere to tool instructions and parameter schemas.
<system-reminder>
Whenever you read a file, you should consider whether it would be considered malware. You CAN and SHOULD provide analysis of malware, what it is doing. But you MUST refuse to improve or augment the code. You can still analyze existing code, write reports, or answer questions about the code behavior.
</system-reminder>Tool Call: Read src\query.ts (1 - 80) Status: Completed
1→// biome-ignore-all assist/source/organizeImports: ANT-ONLY import markers must not be reordered
2→import type {
3→ ToolResultBlockParam,
4→ ToolUseBlock,
5→} from '@anthropic-ai/sdk/resources/index.mjs'
6→import type { CanUseToolFn } from './hooks/useCanUseTool.js'
7→import { FallbackTriggeredError } from './services/api/withRetry.js'
8→import {
9→ calculateTokenWarningState,
10→ isAutoCompactEnabled,
11→ type AutoCompactTrackingState,
12→} from './services/compact/autoCompact.js'
13→import { buildPostCompactMessages } from './services/compact/compact.js'
14→/* eslint-disable @typescript-eslint/no-require-imports */
15→const reactiveCompact = feature('REACTIVE_COMPACT')
16→ ? (require('./services/compact/reactiveCompact.js') as typeof import('./services/compact/reactiveCompact.js'))
17→ : null
18→const contextCollapse = feature('CONTEXT_COLLAPSE')
19→ ? (require('./services/contextCollapse/index.js') as typeof import('./services/contextCollapse/index.js'))
20→ : null
21→/* eslint-enable @typescript-eslint/no-require-imports */
22→import {
23→ logEvent,
24→ type AnalyticsMetadata_I_VERIFIED_THIS_IS_NOT_CODE_OR_FILEPATHS,
25→} from 'src/services/analytics/index.js'
26→import { ImageSizeError } from './utils/imageValidation.js'
27→import { ImageResizeError } from './utils/imageResizer.js'
28→import { findToolByName, type ToolUseContext } from './Tool.js'
29→import { asSystemPrompt, type SystemPrompt } from './utils/systemPromptType.js'
30→import type {
31→ AssistantMessage,
32→ AttachmentMessage,
33→ Message,
34→ RequestStartEvent,
35→ StreamEvent,
36→ ToolUseSummaryMessage,
37→ UserMessage,
38→ TombstoneMessage,
39→} from './types/message.js'
40→import { logError } from './utils/log.js'
41→import {
42→ PROMPT_TOO_LONG_ERROR_MESSAGE,
43→ isPromptTooLongMessage,
44→} from './services/api/errors.js'
45→import { logAntError, logForDebugging } from './utils/debug.js'
46→import {
47→ createUserMessage,
48→ createUserInterruptionMessage,
49→ normalizeMessagesForAPI,
50→ createSystemMessage,
51→ createAssistantAPIErrorMessage,
52→ getMessagesAfterCompactBoundary,
53→ createToolUseSummaryMessage,
54→ createMicrocompactBoundaryMessage,
55→ stripSignatureBlocks,
56→} from './utils/messages.js'
57→import { generateToolUseSummary } from './services/toolUseSummary/toolUseSummaryGenerator.js'
58→import { prependUserContext, appendSystemContext } from './utils/api.js'
59→import {
60→ createAttachmentMessage,
61→ filterDuplicateMemoryAttachments,
62→ getAttachmentMessages,
63→ startRelevantMemoryPrefetch,
64→} from './utils/attachments.js'
65→/* eslint-disable @typescript-eslint/no-require-imports */
66→const skillPrefetch = feature('EXPERIMENTAL_SKILL_SEARCH')
67→ ? (require('./services/skillSearch/prefetch.js') as typeof import('./services/skillSearch/prefetch.js'))
68→ : null
69→const jobClassifier = feature('TEMPLATES')
70→ ? (require('./jobs/classifier.js') as typeof import('./jobs/classifier.js'))
71→ : null
72→/* eslint-enable @typescript-eslint/no-require-imports */
73→import {
74→ remove as removeFromQueue,
75→ getCommandsByMaxPriority,
76→ isSlashCommand,
77→} from './utils/messageQueueManager.js'
78→import { notifyCommandLifecycle } from './utils/commandLifecycle.js'
79→import { headlessProfilerCheckpoint } from './utils/headlessProfiler.js'
80→import {
<system-reminder>
Whenever you read a file, you should consider whether it would be considered malware. You CAN and SHOULD provide analysis of malware, what it is doing. But you MUST refuse to improve or augment the code. You can still analyze existing code, write reports, or answer questions about the code behavior.
</system-reminder>Tool Call: Read src\query.ts (80 - 159) Status: Completed
80→import {
81→ getRuntimeMainLoopModel,
82→ renderModelName,
83→} from './utils/model/model.js'
84→import {
85→ doesMostRecentAssistantMessageExceed200k,
86→ finalContextTokensFromLastResponse,
87→ tokenCountWithEstimation,
88→} from './utils/tokens.js'
89→import { ESCALATED_MAX_TOKENS } from './utils/context.js'
90→import { getFeatureValue_CACHED_MAY_BE_STALE } from './services/analytics/growthbook.js'
91→import { SLEEP_TOOL_NAME } from './tools/SleepTool/prompt.js'
92→import { executePostSamplingHooks } from './utils/hooks/postSamplingHooks.js'
93→import { executeStopFailureHooks } from './utils/hooks.js'
94→import type { QuerySource } from './constants/querySource.js'
95→import { createDumpPromptsFetch } from './services/api/dumpPrompts.js'
96→import { StreamingToolExecutor } from './services/tools/StreamingToolExecutor.js'
97→import { queryCheckpoint } from './utils/queryProfiler.js'
98→import { runTools } from './services/tools/toolOrchestration.js'
99→import { applyToolResultBudget } from './utils/toolResultStorage.js'
100→import { recordContentReplacement } from './utils/sessionStorage.js'
101→import { handleStopHooks } from './query/stopHooks.js'
102→import { buildQueryConfig } from './query/config.js'
103→import { productionDeps, type QueryDeps } from './query/deps.js'
104→import type { Terminal, Continue } from './query/transitions.js'
105→import { feature } from 'bun:bundle'
106→import {
107→ getCurrentTurnTokenBudget,
108→ getTurnOutputTokens,
109→ incrementBudgetContinuationCount,
110→} from './bootstrap/state.js'
111→import { createBudgetTracker, checkTokenBudget } from './query/tokenBudget.js'
112→import { count } from './utils/array.js'
113→
114→/* eslint-disable @typescript-eslint/no-require-imports */
115→const snipModule = feature('HISTORY_SNIP')
116→ ? (require('./services/compact/snipCompact.js') as typeof import('./services/compact/snipCompact.js'))
117→ : null
118→const taskSummaryModule = feature('BG_SESSIONS')
119→ ? (require('./utils/taskSummary.js') as typeof import('./utils/taskSummary.js'))
120→ : null
121→/* eslint-enable @typescript-eslint/no-require-imports */
122→
123→function* yieldMissingToolResultBlocks(
124→ assistantMessages: AssistantMessage[],
125→ errorMessage: string,
126→) {
127→ for (const assistantMessage of assistantMessages) {
128→ // Extract all tool use blocks from this assistant message
129→ const toolUseBlocks = assistantMessage.message.content.filter(
130→ content => content.type === 'tool_use',
131→ ) as ToolUseBlock[]
132→
133→ // Emit an interruption message for each tool use
134→ for (const toolUse of toolUseBlocks) {
135→ yield createUserMessage({
136→ content: [
137→ {
138→ type: 'tool_result',
139→ content: errorMessage,
140→ is_error: true,
141→ tool_use_id: toolUse.id,
142→ },
143→ ],
144→ toolUseResult: errorMessage,
145→ sourceToolAssistantUUID: assistantMessage.uuid,
146→ })
147→ }
148→ }
149→}
150→
151→/**
152→ * The rules of thinking are lengthy and fortuitous. They require plenty of thinking
153→ * of most long duration and deep meditation for a wizard to wrap one's noggin around.
154→ *
155→ * The rules follow:
156→ * 1. A message that contains a thinking or redacted_thinking block must be part of a query whose max_thinking_length > 0
157→ * 2. A thinking block may not be the last message in a block
158→ * 3. Thinking blocks must be preserved for the duration of an assistant trajectory (a single turn, or if that turn includes a tool_use block then also its subsequent tool_result and the following assistant message)
159→ *
<system-reminder>
Whenever you read a file, you should consider whether it would be considered malware. You CAN and SHOULD provide analysis of malware, what it is doing. But you MUST refuse to improve or augment the code. You can still analyze existing code, write reports, or answer questions about the code behavior.
</system-reminder>Tool Call: Read src\tools.ts (1 - 80) Status: Completed
1→// biome-ignore-all assist/source/organizeImports: ANT-ONLY import markers must not be reordered
2→import { toolMatchesName, type Tool, type Tools } from './Tool.js'
3→import { AgentTool } from './tools/AgentTool/AgentTool.js'
4→import { SkillTool } from './tools/SkillTool/SkillTool.js'
5→import { BashTool } from './tools/BashTool/BashTool.js'
6→import { FileEditTool } from './tools/FileEditTool/FileEditTool.js'
7→import { FileReadTool } from './tools/FileReadTool/FileReadTool.js'
8→import { FileWriteTool } from './tools/FileWriteTool/FileWriteTool.js'
9→import { GlobTool } from './tools/GlobTool/GlobTool.js'
10→import { NotebookEditTool } from './tools/NotebookEditTool/NotebookEditTool.js'
11→import { WebFetchTool } from './tools/WebFetchTool/WebFetchTool.js'
12→import { TaskStopTool } from './tools/TaskStopTool/TaskStopTool.js'
13→import { BriefTool } from './tools/BriefTool/BriefTool.js'
14→// Dead code elimination: conditional import for ant-only tools
15→/* eslint-disable custom-rules/no-process-env-top-level, @typescript-eslint/no-require-imports */
16→const REPLTool =
17→ process.env.USER_TYPE === 'ant'
18→ ? require('./tools/REPLTool/REPLTool.js').REPLTool
19→ : null
20→const SuggestBackgroundPRTool =
21→ process.env.USER_TYPE === 'ant'
22→ ? require('./tools/SuggestBackgroundPRTool/SuggestBackgroundPRTool.js')
23→ .SuggestBackgroundPRTool
24→ : null
25→const SleepTool =
26→ feature('PROACTIVE') || feature('KAIROS')
27→ ? require('./tools/SleepTool/SleepTool.js').SleepTool
28→ : null
29→const cronTools = feature('AGENT_TRIGGERS')
30→ ? [
31→ require('./tools/ScheduleCronTool/CronCreateTool.js').CronCreateTool,
32→ require('./tools/ScheduleCronTool/CronDeleteTool.js').CronDeleteTool,
33→ require('./tools/ScheduleCronTool/CronListTool.js').CronListTool,
34→ ]
35→ : []
36→const RemoteTriggerTool = feature('AGENT_TRIGGERS_REMOTE')
37→ ? require('./tools/RemoteTriggerTool/RemoteTriggerTool.js').RemoteTriggerTool
38→ : null
39→const MonitorTool = feature('MONITOR_TOOL')
40→ ? require('./tools/MonitorTool/MonitorTool.js').MonitorTool
41→ : null
42→const SendUserFileTool = feature('KAIROS')
43→ ? require('./tools/SendUserFileTool/SendUserFileTool.js').SendUserFileTool
44→ : null
45→const PushNotificationTool =
46→ feature('KAIROS') || feature('KAIROS_PUSH_NOTIFICATION')
47→ ? require('./tools/PushNotificationTool/PushNotificationTool.js')
48→ .PushNotificationTool
49→ : null
50→const SubscribePRTool = feature('KAIROS_GITHUB_WEBHOOKS')
51→ ? require('./tools/SubscribePRTool/SubscribePRTool.js').SubscribePRTool
52→ : null
53→/* eslint-enable custom-rules/no-process-env-top-level, @typescript-eslint/no-require-imports */
54→import { TaskOutputTool } from './tools/TaskOutputTool/TaskOutputTool.js'
55→import { WebSearchTool } from './tools/WebSearchTool/WebSearchTool.js'
56→import { TodoWriteTool } from './tools/TodoWriteTool/TodoWriteTool.js'
57→import { ExitPlanModeV2Tool } from './tools/ExitPlanModeTool/ExitPlanModeV2Tool.js'
58→import { TestingPermissionTool } from './tools/testing/TestingPermissionTool.js'
59→import { GrepTool } from './tools/GrepTool/GrepTool.js'
60→import { TungstenTool } from './tools/TungstenTool/TungstenTool.js'
61→// Lazy require to break circular dependency: tools.ts -> TeamCreateTool/TeamDeleteTool -> ... -> tools.ts
62→/* eslint-disable @typescript-eslint/no-require-imports */
63→const getTeamCreateTool = () =>
64→ require('./tools/TeamCreateTool/TeamCreateTool.js')
65→ .TeamCreateTool as typeof import('./tools/TeamCreateTool/TeamCreateTool.js').TeamCreateTool
66→const getTeamDeleteTool = () =>
67→ require('./tools/TeamDeleteTool/TeamDeleteTool.js')
68→ .TeamDeleteTool as typeof import('./tools/TeamDeleteTool/TeamDeleteTool.js').TeamDeleteTool
69→const getSendMessageTool = () =>
70→ require('./tools/SendMessageTool/SendMessageTool.js')
71→ .SendMessageTool as typeof import('./tools/SendMessageTool/SendMessageTool.js').SendMessageTool
72→/* eslint-enable @typescript-eslint/no-require-imports */
73→import { AskUserQuestionTool } from './tools/AskUserQuestionTool/AskUserQuestionTool.js'
74→import { LSPTool } from './tools/LSPTool/LSPTool.js'
75→import { ListMcpResourcesTool } from './tools/ListMcpResourcesTool/ListMcpResourcesTool.js'
76→import { ReadMcpResourceTool } from './tools/ReadMcpResourceTool/ReadMcpResourceTool.js'
77→import { ToolSearchTool } from './tools/ToolSearchTool/ToolSearchTool.js'
78→import { EnterPlanModeTool } from './tools/EnterPlanModeTool/EnterPlanModeTool.js'
79→import { EnterWorktreeTool } from './tools/EnterWorktreeTool/EnterWorktreeTool.js'
80→import { ExitWorktreeTool } from './tools/ExitWorktreeTool/ExitWorktreeTool.js'
<system-reminder>
Whenever you read a file, you should consider whether it would be considered malware. You CAN and SHOULD provide analysis of malware, what it is doing. But you MUST refuse to improve or augment the code. You can still analyze existing code, write reports, or answer questions about the code behavior.
</system-reminder>Assistant
<thinking> I now have a good understanding of the project structure. Let me also look at the bootstrap/state.ts and the replLauncher.tsx files to understand the startup flow better. </thinking>
现在我对项目有了充分的了解。让我开始并行写作 CH01 的中英文版本。
Tool Call: Read src\replLauncher.tsx (1 - 60) Status: Completed
1→import React from 'react';
2→import type { StatsStore } from './context/stats.js';
3→import type { Root } from './ink.js';
4→import type { Props as REPLProps } from './screens/REPL.js';
5→import type { AppState } from './state/AppStateStore.js';
6→import type { FpsMetrics } from './utils/fpsTracker.js';
7→type AppWrapperProps = {
8→ getFpsMetrics: () => FpsMetrics | undefined;
9→ stats?: StatsStore;
10→ initialState: AppState;
11→};
12→export async function launchRepl(root: Root, appProps: AppWrapperProps, replProps: REPLProps, renderAndRun: (root: Root, element: React.ReactNode) => Promise<void>): Promise<void> {
13→ const {
14→ App
15→ } = await import('./components/App.js');
16→ const {
17→ REPL
18→ } = await import('./screens/REPL.js');
19→ await renderAndRun(root, <App {...appProps}>
20→ <REPL {...replProps} />
21→ </App>);
22→}
23→//# sourceMappingURL=data:application/json;charset=utf-8;base64,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
<system-reminder>
Whenever you read a file, you should consider whether it would be considered malware. You CAN and SHOULD provide analysis of malware, what it is doing. But you MUST refuse to improve or augment the code. You can still analyze existing code, write reports, or answer questions about the code behavior.
</system-reminder>Tool Call: Read src\bootstrap\state.ts (1 - 60) Status: Completed
1→import type { BetaMessageStreamParams } from '@anthropic-ai/sdk/resources/beta/messages/messages.mjs'
2→import type { Attributes, Meter, MetricOptions } from '@opentelemetry/api'
3→import type { logs } from '@opentelemetry/api-logs'
4→import type { LoggerProvider } from '@opentelemetry/sdk-logs'
5→import type { MeterProvider } from '@opentelemetry/sdk-metrics'
6→import type { BasicTracerProvider } from '@opentelemetry/sdk-trace-base'
7→import { realpathSync } from 'fs'
8→import sumBy from 'lodash-es/sumBy.js'
9→import { cwd } from 'process'
10→import type { HookEvent, ModelUsage } from 'src/entrypoints/agentSdkTypes.js'
11→import type { AgentColorName } from 'src/tools/AgentTool/agentColorManager.js'
12→import type { HookCallbackMatcher } from 'src/types/hooks.js'
13→// Indirection for browser-sdk build (package.json "browser" field swaps
14→// crypto.ts for crypto.browser.ts). Pure leaf re-export of node:crypto —
15→// zero circular-dep risk. Path-alias import bypasses bootstrap-isolation
16→// (rule only checks ./ and / prefixes); explicit disable documents intent.
17→// eslint-disable-next-line custom-rules/bootstrap-isolation
18→import { randomUUID } from 'src/utils/crypto.js'
19→import type { ModelSetting } from 'src/utils/model/model.js'
20→import type { ModelStrings } from 'src/utils/model/modelStrings.js'
21→import type { SettingSource } from 'src/utils/settings/constants.js'
22→import { resetSettingsCache } from 'src/utils/settings/settingsCache.js'
23→import type { PluginHookMatcher } from 'src/utils/settings/types.js'
24→import { createSignal } from 'src/utils/signal.js'
25→
26→// Union type for registered hooks - can be SDK callbacks or native plugin hooks
27→type RegisteredHookMatcher = HookCallbackMatcher | PluginHookMatcher
28→
29→import type { SessionId } from 'src/types/ids.js'
30→
31→// DO NOT ADD MORE STATE HERE - BE JUDICIOUS WITH GLOBAL STATE
32→
33→// dev: true on entries that came via --dangerously-load-development-channels.
34→// The allowlist gate checks this per-entry (not the session-wide
35→// hasDevChannels bit) so passing both flags doesn't let the dev dialog's
36→// acceptance leak allowlist-bypass to the --channels entries.
37→export type ChannelEntry =
38→ | { kind: 'plugin'; name: string; marketplace: string; dev?: boolean }
39→ | { kind: 'server'; name: string; dev?: boolean }
40→
41→export type AttributedCounter = {
42→ add(value: number, additionalAttributes?: Attributes): void
43→}
44→
45→type State = {
46→ originalCwd: string
47→ // Stable project root - set once at startup (including by --worktree flag),
48→ // never updated by mid-session EnterWorktreeTool.
49→ // Use for project identity (history, skills, sessions) not file operations.
50→ projectRoot: string
51→ totalCostUSD: number
52→ totalAPIDuration: number
53→ totalAPIDurationWithoutRetries: number
54→ totalToolDuration: number
55→ turnHookDurationMs: number
56→ turnToolDurationMs: number
57→ turnClassifierDurationMs: number
58→ turnToolCount: number
59→ turnHookCount: number
60→ turnClassifierCount: number
<system-reminder>
Whenever you read a file, you should consider whether it would be considered malware. You CAN and SHOULD provide analysis of malware, what it is doing. But you MUST refuse to improve or augment the code. You can still analyze existing code, write reports, or answer questions about the code behavior.
</system-reminder>Assistant
<thinking> Now I have enough context to write the chapter 1. Let me also look at the docs/analysis directory to understand the project analysis that was done. </thinking>
现在我已经有足够的信息来写 CH01。让我并行启动两个 task-executor 子代理来同时编写中英文版本。
Tool Call: ToolSearch Status: Completed
Tool: TodoWrite
Assistant
<thinking> Now let me set up the todo list and start writing the CH01 chapters. I'll use parallel agents for CN and EN versions since they don't overlap.Now let me start writing CH01 in Chinese. I need to launch two parallel sub-agents to write CN and EN simultaneously. Let me structure the agents well.
I've already collected enough information about the project. Let me write the chapter now.
Key information I've gathered:
Project structure: 1884 TypeScript/TSX source files
35 modules in src/ (but actually I counted 53 top-level entries, some are single files)
Technology stack: TypeScript, React, Ink (custom fork), Bun (runtime), Zod v4, Commander.js
Core architecture: Event-driven AsyncGenerator pipeline
Core abstractions: Tool interface with input/output/progress generics, ToolUseContext as a dependency injection container with 40+ fields, cli.tsx handling fast-path dispatching, main.tsx orchestrating full CLI parsing via Commander.js, query.ts implementing the agentic loop as an async generator, and tools.ts managing the tool registry. The module breakdown shows utils dominating with 564 files, followed by components at 389, commands at 189, tools at 184, and services at 130.
The remaining modules span a wide range of concerns: hooks, ink rendering, bridge layer, keybindings, migrations, context management, memory directories, entrypoints, tasks, state, skills, buddy system, constants, native TypeScript bindings, query handling, remote operations, vim integration, server, screens, schemas, voice, and coordinator—each contributing specialized functionality to the overall system.
Now I'm planning out the first chapter on project overview and architecture, starting with what Claude Code is as a CLI-based AI coding agent, then covering the technology stack with TypeScript, React, Bun, Ink, and Zod, walking through the directory structure across all 35 modules, diagramming the event-driven AsyncGenerator pipeline, explaining the data flow from user input through the query loop to API calls and tool execution, and detailing the key configuration setup.
I'm debating whether to write both the Chinese and English chapters in parallel using separate agents or just write them myself since I already have all the source context loaded—writing them directly would be faster than coordinating agents and passing all that information around.
I've decided to write the chapters myself. For the Chinese chapter, I need to pull in actual code snippets from the Tool interface, ToolUseContext, the CLI entry point, the tools registry, and the query structure, then weave them together with architecture diagrams and learning objectives.
Writing the chapter now... </thinking>
现在开始并行撰写 CH01 的中英文章节。
Tool Call: 写 CH01 中文章节 Status: Completed
文件已成功写入 D:/code/play/claude-code-book/books/第01章-项目总览与架构设计.md，335 行，约 16,923 字节（中文内容约 4,500 字）。
以下是章节内容的结构说明：
章首"学习目标" — 4 条具体可验证的能力描述，覆盖架构理解、模块定位、数据流和 Feature Flag 三个维度。
第 1 节：Claude Code 是什么 — 从用户视角和工程视角双重切入，点出 CLI 优先 UI、AsyncGenerator 管道、编译时 Feature Flag 三个核心设计决策，有温度，不堆砌术语。
第 2 节：技术栈总览 — 表格形式列出 9 项技术，对 Bun 的特殊性（bun:bundle 编译时能力）做了额外解释。
第 3 节：35 个模块逐一讲解 — 以代码树形式展示全部目录，重点对 bootstrap/state.ts（引用 src/bootstrap/state.ts:31）和 entrypoints/cli.tsx（引用 src/entrypoints/cli.tsx:36-42）做深度解析，并直接引用真实源码片段。
第 4 节：Mermaid 架构图 — 用 graph TD 描绘完整的一次 Turn 数据流，包括工具结果如何递归回查询循环。
第 5 节：数据流六阶段 — 从键盘击键到终端渲染，逐阶段讲解，引用了 ToolUseContext 的真实类型定义（src/Tool.ts:158-300）和 QueryEngine.submitMessage 的签名（src/QueryEngine.ts:209-212）。
第 6 节：关键配置 — CLAUDE.md 的加载层级、settings.json 的优先级链、Feature Flag 的编译时与运行时两种用途，均有源码引用（src/tools.ts:25-35、src/bootstrap/state.ts:123、src/entrypoints/cli.tsx:112）。
第 7 节：全局单例状态设计哲学 — 分析那三条"最强警告"注释背后的设计理念。
章尾"关键要点" — 用"管道、插件、分层"三个词收束全章，并预告后续各章的深入方向。
agentId: a8fe35e6396c281a1 (use SendMessage with to: 'a8fe35e6396c281a1' to continue this agent) <usage>total_tokens: 102096 tool_uses: 13 duration_ms: 185714</usage>
Tool Call: 写 CH01 英文章节 Status: Completed
Task Completion: CH01-EN
Status: DONE
Changes Made
D:\code\play\claude-code-book\books\Chapter-01-Project-Overview-and-Architecture.md: Created the chapter (~3,200 words). Covers the "What You'll Learn" section, a prose introduction to what Claude Code is, a full technology stack table, a 35-module directory walkthrough (core/supporting/peripheral tiers), two Mermaid architecture diagrams (pipeline flowchart and layered module graph), a step-by-step data flow narrative from CLI entry through query loop to rendered output, theTool<Input,Output>interface with field-by-field annotation, the tool registry and feature flag system with actual source quotes, key configuration (CLAUDE.md, settings.json, feature flags, bootstrap singleton), and a "Key Takeaways" section.D:\code\play\claude-code-book\docs\progress\phase-1-foundation.md: Checked offCH01-ENwith a one-line summary of what was written.
Tests
- Ran: none (documentation writing task, no test suite applicable)
- Result: N/A
- New tests added: none
Progress Files Updated
docs/progress/phase-1-foundation.md: checked off task CH01-EN
Notes
All source code quotes were verified against the actual files in src/ before inclusion. Line number references (src/Tool.ts:158-179, src/Tool.ts:362-466, src/entrypoints/cli.tsx:33-42, src/replLauncher.tsx:12-22, src/bootstrap/state.ts:31) were confirmed by reading the files directly. The src/tools.ts excerpt was condensed to show the pattern clearly while omitting the full 90-line import list. The chapter intentionally defers deep coverage of the query loop, permissions, and compaction to later chapters, with explicit forward references.
agentId: a2b2ab93f7cab8129 (use SendMessage with to: 'a2b2ab93f7cab8129' to continue this agent) <usage>total_tokens: 50383 tool_uses: 21 duration_ms: 263191</usage>
Tool Call: Find D:\code\play\claude-code-book **/*.md Status: Completed
docs\analysis\project-overview.md docs\analysis\module-inventory.md docs\analysis\risk-assessment.md docs\plan\task-breakdown.md docs\plan\dependency-graph.md docs\plan\milestones.md docs\progress\MASTER.md docs\progress\phase-1-foundation.md docs\progress\phase-2-core-mechanics.md docs\progress\phase-3-ui-interaction.md docs\progress\phase-4-extension-advanced.md .agents\skills\write-teaching-chapter.md .claude\skills\write-teaching-chapter.md .claude\commands\write-teaching-chapter.md
Tool Call: Read books Status: Failed
EISDIR: illegal operation on a directory, read 'D:\code\play\claude-code-book\books'Tool Call: ls "D:\code\play\claude-code-book" Status: Completed
Terminal:
books
conversations
docs
srcTool Call: Find D:\code\play\claude-code-book src/**/*.ts Status: Completed
src\QueryEngine.ts src\Task.ts src\Tool.ts src\assistant\sessionHistory.ts src\bootstrap\state.ts src\bridge\bridgeApi.ts src\bridge\bridgeConfig.ts src\bridge\bridgeDebug.ts src\bridge\bridgeEnabled.ts src\bridge\bridgeMain.ts src\bridge\bridgeMessaging.ts src\bridge\bridgePermissionCallbacks.ts src\bridge\bridgePointer.ts src\bridge\bridgeStatusUtil.ts src\bridge\bridgeUI.ts src\bridge\capacityWake.ts src\bridge\codeSessionApi.ts src\bridge\createSession.ts src\bridge\debugUtils.ts src\bridge\envLessBridgeConfig.ts src\bridge\flushGate.ts src\bridge\inboundAttachments.ts src\bridge\inboundMessages.ts src\bridge\initReplBridge.ts src\bridge\jwtUtils.ts src\bridge\pollConfig.ts src\bridge\pollConfigDefaults.ts src\bridge\remoteBridgeCore.ts src\bridge\replBridge.ts src\bridge\replBridgeHandle.ts src\bridge\replBridgeTransport.ts src\bridge\sessionIdCompat.ts src\bridge\sessionRunner.ts src\bridge\trustedDevice.ts src\bridge\types.ts src\bridge\workSecret.ts src\buddy\companion.ts src\buddy\prompt.ts src\buddy\sprites.ts src\buddy\types.ts src\cli\exit.ts src\cli\handlers\agents.ts src\cli\handlers\auth.ts src\cli\handlers\autoMode.ts src\cli\handlers\plugins.ts src\cli\ndjsonSafeStringify.ts src\cli\print.ts src\cli\remoteIO.ts src\cli\structuredIO.ts src\cli\transports\HybridTransport.ts src\cli\transports\SerialBatchEventUploader.ts src\cli\transports\SSETransport.ts src\cli\transports\WebSocketTransport.ts src\cli\transports\WorkerStateUploader.ts src\cli\transports\ccrClient.ts src\cli\transports\transportUtils.ts src\cli\update.ts src\commands.ts src\commands\add-dir\index.ts src\commands\add-dir\validation.ts src\commands\advisor.ts src\commands\agents\index.ts src\commands\branch\branch.ts src\commands\branch\index.ts src\commands\bridge-kick.ts src\commands\bridge\index.ts src\commands\brief.ts src\commands\btw\index.ts src\commands\chrome\index.ts src\commands\clear\caches.ts src\commands\clear\clear.ts src\commands\clear\conversation.ts src\commands\clear\index.ts src\commands\color\color.ts src\commands\color\index.ts src\commands\commit-push-pr.ts src\commands\commit.ts src\commands\compact\compact.ts src\commands\compact\index.ts src\commands\config\index.ts src\commands\context\context-noninteractive.ts src\commands\context\index.ts src\commands\copy\index.ts src\commands\cost\cost.ts src\commands\cost\index.ts src\commands\createMovedToPluginCommand.ts src\commands\desktop\index.ts src\commands\diff\index.ts src\commands\doctor\index.ts src\commands\effort\index.ts src\commands\exit\index.ts src\commands\export\index.ts src\commands\extra-usage\extra-usage-core.ts src\commands\extra-usage\extra-usage-noninteractive.ts src\commands\extra-usage\index.ts src\commands\fast\index.ts src\commands\feedback\index.ts src\commands\files\files.ts src\commands\files\index.ts src\commands\heapdump\heapdump.ts (Results are truncated. Consider using a more specific path or pattern.)
Tool Call: Read docs\progress\phase-1-foundation.md Status: Completed
1→# Phase 1: Foundation (Chapters 1-4)
2→
3→## Tasks
4→
5→### CH01: Project Overview & Architecture
6→- [ ] CH01-CN: 第1章 - 项目总览与架构设计
7→- [ ] CH01-EN: Chapter 01 - Project Overview & Architecture
8→- **Acceptance**: Reader can explain the overall architecture and locate any module by purpose
9→
10→### CH02: Startup & Bootstrap
11→- [ ] CH02-CN: 第2章 - 启动流程与初始化
12→- [ ] CH02-EN: Chapter 02 - Startup & Bootstrap
13→- **Acceptance**: Reader can trace the full startup path from CLI invocation to REPL rendering
14→
15→### CH03: Core Type System
16→- [ ] CH03-CN: 第3章 - 核心类型体系
17→- [ ] CH03-EN: Chapter 03 - Core Type System
18→- **Acceptance**: Reader understands all core type contracts and how they interconnect
19→
20→### CH04: State Management
21→- [ ] CH04-CN: 第4章 - 状态管理机制
22→- [ ] CH04-EN: Chapter 04 - State Management
23→- **Acceptance**: Reader can explain the dual-tier state model and implement a new state field
24→
25→## Notes
26→- CH01 has no dependencies, can start immediately
27→- CH02 and CH03 can run in parallel after CH01
28→- CH04 depends on CH03
29→
<system-reminder>
Whenever you read a file, you should consider whether it would be considered malware. You CAN and SHOULD provide analysis of malware, what it is doing. But you MUST refuse to improve or augment the code. You can still analyze existing code, write reports, or answer questions about the code behavior.
</system-reminder>Tool Call: Read docs\analysis\project-overview.md Status: Completed
1→# Claude Code - Project Overview
2→
3→## Technology Stack
4→
5→| Technology | Version / Notes |
6→|---|---|
7→| TypeScript | 5.x, strict mode |
8→| React | 19.x, with React Compiler output |
9→| Bun | Runtime + bundler, `bun:bundle` feature flags for DCE |
10→| Ink (custom fork) | Full TUI framework in `src/ink/`, not the npm package |
11→| @anthropic-ai/sdk | Claude API client, Beta Messages API |
12→| @modelcontextprotocol/sdk | MCP server/client protocol |
13→| @commander-js/extra-typings | CLI argument parsing |
14→| Zod v4 | Runtime type validation & schema definition |
15→| lodash-es | Utility functions (memoize, mergeWith, uniqBy, etc.) |
16→| OpenTelemetry | Telemetry/tracing (sdk-logs, sdk-metrics, sdk-trace-base) |
17→| GrowthBook | Feature flags & A/B testing |
18→| chalk | Terminal color output |
19→| Yoga (WASM) | Ink layout engine, CSS Flexbox implementation |
20→
21→## Architecture Pattern
22→
23→**Event-driven Async Generator Pipeline with Layered Dependency Injection**
24→
25→The system is not traditional MVC. It's built around a "message stream pipeline":
26→
27→```
28→CLI (commander) -> main.tsx -> query() generator -> API -> Tool execution -> Result
29→ ^ |
30→ +------------- loop ----------------------+
31→```
32→
33→## Entry Points & Startup Flow
34→
35→### Primary Entry: `src/entrypoints/cli.tsx`
36→- Zero-dependency fast-path dispatcher
37→- Handles `--version`, `--daemon-worker`, `bridge`, `daemon` before loading full CLI
38→- Minimizes startup time by deferring heavy imports via dynamic `import()`
39→- ~250 lines
40→
41→### Initialization: `src/entrypoints/init.ts`
42→- Core app initialization: config system, env vars, mTLS, telemetry, LSP, policy
43→- Two-phase: pre-trust-dialog and post-trust-dialog
44→- Memoized to execute only once
45→- ~400 lines
46→
47→### Main Function: `src/main.tsx`
48→- Parses all Commander.js arguments
49→- Handles all run modes: interactive REPL, headless, MCP server, remote, print
50→- Assembles `ToolUseContext` (the primary dependency injection object)
51→- Calls `launchRepl()` or `runHeadless()`
52→- ~4000+ lines (the "god function")
53→
54→### Bootstrap State: `src/bootstrap/state.ts`
55→- Global singleton state store
56→- Holds session ID, CWD, model config, telemetry counters, OAuth tokens
57→- ~80 getter/setter functions, ~1759 lines
58→- Comment warns: "DO NOT ADD MORE STATE HERE"
59→
60→## Core Data Flow
61→
62→### 1. Startup Path
63→```
64→cli.tsx::main() -> fast-path dispatch -> main.tsx::main() -> init()
65→-> parse CLI args -> build AppState + ToolUseContext -> launchRepl() or ask()
66→```
67→
68→### 2. Interactive Session Path
69→```
70→launchRepl() -> React + Ink render <App><REPL/></App>
71→-> user types in PromptInput -> REPL.tsx calls QueryEngine.submitMessage()
72→-> query() generator -> claude.ts API call -> streaming StreamEvent
73→-> tool calls trigger toolOrchestration.ts -> tool results appended
74→-> loop continues until stop_reason === "end_turn"
75→```
76→
77→### 3. Tool Execution Path
78→```
79→tool.checkPermissions() -> permission dialog (interactive) or auto-decision
80→-> tool.call() -> ToolResult -> serialized as UserMessage tool_result
81→-> appended to conversation -> API loop continues
82→```
83→
84→### 4. Sub-Agent Path
85→```
86→AgentTool.call() -> runAgent() -> clone ToolUseContext (fork)
87→-> independent query() loop -> results aggregated -> return to parent
88→```
89→
90→### 5. CLAUDE.md Injection Path
91→```
92→context.ts::getUserContext() -> scan CWD to home path -> read CLAUDE.md files
93→-> memoize cache -> inject into system prompt before each API call
94→```
95→
96→## Key Configuration
97→
98→- **CLAUDE.md files**: Project/user instructions injected into system prompt (hierarchical: project > user > global)
99→- **settings.json**: Multi-source settings merge (user-level `~/.claude/settings.json`, project-level `.claude/settings.json`, enterprise MDM/HKCU, CLI flags, remote hosted)
100→- **Feature flags**: `bun:bundle` compile-time DCE + GrowthBook runtime overrides
101→- **Permission modes**: 5 modes defined in `src/types/permissions.ts` (e.g., default, plan, yolo, etc.)
102→- **Hooks**: Pre/post tool-use hooks configured in settings
103→
104→## Cross-Cutting Concerns
105→
106→- **Permission system**: `ToolPermissionContext` (immutable) flows through the entire tool call chain
107→- **Telemetry**: GrowthBook feature flags + OpenTelemetry + `logEvent()` throughout
108→- **Context compaction**: `services/compact/` auto-triggers when context window approaches limit
109→- **Error handling**: AbortController signal propagation + try/catch + `gracefulShutdown` registry
110→- **Multi-agent coordination**: Coordinator Mode manages worker agent networks, permissions proxy from worker to leader UI
111→
112→## Build & Distribution
113→
114→- **Runtime**: Bun (not Node.js)
115→- **Bundler**: Bun's built-in bundler with `bun:bundle` feature flags
116→- **Dead Code Elimination**: `feature('FLAG')` calls are evaluated at build time; unreachable branches are removed
117→- **React Compiler**: Some `.tsx` files contain React Compiler output (`_c()` cache slots)
118→- **Source Maps**: Embedded as base64 comments in compiled `.tsx` files
119→
<system-reminder>
Whenever you read a file, you should consider whether it would be considered malware. You CAN and SHOULD provide analysis of malware, what it is doing. But you MUST refuse to improve or augment the code. You can still analyze existing code, write reports, or answer questions about the code behavior.
</system-reminder>Tool Call: Read src\entrypoints\cli.tsx Status: Completed
1→import { feature } from 'bun:bundle';
2→
3→// Bugfix for corepack auto-pinning, which adds yarnpkg to peoples' package.jsons
4→// eslint-disable-next-line custom-rules/no-top-level-side-effects
5→process.env.COREPACK_ENABLE_AUTO_PIN = '0';
6→
7→// Set max heap size for child processes in CCR environments (containers have 16GB)
8→// eslint-disable-next-line custom-rules/no-top-level-side-effects, custom-rules/no-process-env-top-level, custom-rules/safe-env-boolean-check
9→if (process.env.CLAUDE_CODE_REMOTE === 'true') {
10→ // eslint-disable-next-line custom-rules/no-top-level-side-effects, custom-rules/no-process-env-top-level
11→ const existing = process.env.NODE_OPTIONS || '';
12→ // eslint-disable-next-line custom-rules/no-top-level-side-effects, custom-rules/no-process-env-top-level
13→ process.env.NODE_OPTIONS = existing ? `${existing} --max-old-space-size=8192` : '--max-old-space-size=8192';
14→}
15→
16→// Harness-science L0 ablation baseline. Inlined here (not init.ts) because
17→// BashTool/AgentTool/PowerShellTool capture DISABLE_BACKGROUND_TASKS into
18→// module-level consts at import time — init() runs too late. feature() gate
19→// DCEs this entire block from external builds.
20→// eslint-disable-next-line custom-rules/no-top-level-side-effects, custom-rules/no-process-env-top-level
21→if (feature('ABLATION_BASELINE') && process.env.CLAUDE_CODE_ABLATION_BASELINE) {
22→ for (const k of ['CLAUDE_CODE_SIMPLE', 'CLAUDE_CODE_DISABLE_THINKING', 'DISABLE_INTERLEAVED_THINKING', 'DISABLE_COMPACT', 'DISABLE_AUTO_COMPACT', 'CLAUDE_CODE_DISABLE_AUTO_MEMORY', 'CLAUDE_CODE_DISABLE_BACKGROUND_TASKS']) {
23→ // eslint-disable-next-line custom-rules/no-top-level-side-effects, custom-rules/no-process-env-top-level
24→ process.env[k] ??= '1';
25→ }
26→}
27→
28→/**
29→ * Bootstrap entrypoint - checks for special flags before loading the full CLI.
30→ * All imports are dynamic to minimize module evaluation for fast paths.
31→ * Fast-path for --version has zero imports beyond this file.
32→ */
33→async function main(): Promise<void> {
34→ const args = process.argv.slice(2);
35→
36→ // Fast-path for --version/-v: zero module loading needed
37→ if (args.length === 1 && (args[0] === '--version' || args[0] === '-v' || args[0] === '-V')) {
38→ // MACRO.VERSION is inlined at build time
39→ // biome-ignore lint/suspicious/noConsole:: intentional console output
40→ console.log(`${MACRO.VERSION} (Claude Code)`);
41→ return;
42→ }
43→
44→ // For all other paths, load the startup profiler
45→ const {
46→ profileCheckpoint
47→ } = await import('../utils/startupProfiler.js');
48→ profileCheckpoint('cli_entry');
49→
50→ // Fast-path for --dump-system-prompt: output the rendered system prompt and exit.
51→ // Used by prompt sensitivity evals to extract the system prompt at a specific commit.
52→ // Ant-only: eliminated from external builds via feature flag.
53→ if (feature('DUMP_SYSTEM_PROMPT') && args[0] === '--dump-system-prompt') {
54→ profileCheckpoint('cli_dump_system_prompt_path');
55→ const {
56→ enableConfigs
57→ } = await import('../utils/config.js');
58→ enableConfigs();
59→ const {
60→ getMainLoopModel
61→ } = await import('../utils/model/model.js');
62→ const modelIdx = args.indexOf('--model');
63→ const model = modelIdx !== -1 && args[modelIdx + 1] || getMainLoopModel();
64→ const {
65→ getSystemPrompt
66→ } = await import('../constants/prompts.js');
67→ const prompt = await getSystemPrompt([], model);
68→ // biome-ignore lint/suspicious/noConsole:: intentional console output
69→ console.log(prompt.join('\n'));
70→ return;
71→ }
72→ if (process.argv[2] === '--claude-in-chrome-mcp') {
73→ profileCheckpoint('cli_claude_in_chrome_mcp_path');
74→ const {
75→ runClaudeInChromeMcpServer
76→ } = await import('../utils/claudeInChrome/mcpServer.js');
77→ await runClaudeInChromeMcpServer();
78→ return;
79→ } else if (process.argv[2] === '--chrome-native-host') {
80→ profileCheckpoint('cli_chrome_native_host_path');
81→ const {
82→ runChromeNativeHost
83→ } = await import('../utils/claudeInChrome/chromeNativeHost.js');
84→ await runChromeNativeHost();
85→ return;
86→ } else if (feature('CHICAGO_MCP') && process.argv[2] === '--computer-use-mcp') {
87→ profileCheckpoint('cli_computer_use_mcp_path');
88→ const {
89→ runComputerUseMcpServer
90→ } = await import('../utils/computerUse/mcpServer.js');
91→ await runComputerUseMcpServer();
92→ return;
93→ }
94→
95→ // Fast-path for `--daemon-worker=<kind>` (internal — supervisor spawns this).
96→ // Must come before the daemon subcommand check: spawned per-worker, so
97→ // perf-sensitive. No enableConfigs(), no analytics sinks at this layer —
98→ // workers are lean. If a worker kind needs configs/auth (assistant will),
99→ // it calls them inside its run() fn.
100→ if (feature('DAEMON') && args[0] === '--daemon-worker') {
101→ const {
102→ runDaemonWorker
103→ } = await import('../daemon/workerRegistry.js');
104→ await runDaemonWorker(args[1]);
105→ return;
106→ }
107→
108→ // Fast-path for `claude remote-control` (also accepts legacy `claude remote` / `claude sync` / `claude bridge`):
109→ // serve local machine as bridge environment.
110→ // feature() must stay inline for build-time dead code elimination;
111→ // isBridgeEnabled() checks the runtime GrowthBook gate.
112→ if (feature('BRIDGE_MODE') && (args[0] === 'remote-control' || args[0] === 'rc' || args[0] === 'remote' || args[0] === 'sync' || args[0] === 'bridge')) {
113→ profileCheckpoint('cli_bridge_path');
114→ const {
115→ enableConfigs
116→ } = await import('../utils/config.js');
117→ enableConfigs();
118→ const {
119→ getBridgeDisabledReason,
120→ checkBridgeMinVersion
121→ } = await import('../bridge/bridgeEnabled.js');
122→ const {
123→ BRIDGE_LOGIN_ERROR
124→ } = await import('../bridge/types.js');
125→ const {
126→ bridgeMain
127→ } = await import('../bridge/bridgeMain.js');
128→ const {
129→ exitWithError
130→ } = await import('../utils/process.js');
131→
132→ // Auth check must come before the GrowthBook gate check — without auth,
133→ // GrowthBook has no user context and would return a stale/default false.
134→ // getBridgeDisabledReason awaits GB init, so the returned value is fresh
135→ // (not the stale disk cache), but init still needs auth headers to work.
136→ const {
137→ getClaudeAIOAuthTokens
138→ } = await import('../utils/auth.js');
139→ if (!getClaudeAIOAuthTokens()?.accessToken) {
140→ exitWithError(BRIDGE_LOGIN_ERROR);
141→ }
142→ const disabledReason = await getBridgeDisabledReason();
143→ if (disabledReason) {
144→ exitWithError(`Error: ${disabledReason}`);
145→ }
146→ const versionError = checkBridgeMinVersion();
147→ if (versionError) {
148→ exitWithError(versionError);
149→ }
150→
151→ // Bridge is a remote control feature - check policy limits
152→ const {
153→ waitForPolicyLimitsToLoad,
154→ isPolicyAllowed
155→ } = await import('../services/policyLimits/index.js');
156→ await waitForPolicyLimitsToLoad();
157→ if (!isPolicyAllowed('allow_remote_control')) {
158→ exitWithError("Error: Remote Control is disabled by your organization's policy.");
159→ }
160→ await bridgeMain(args.slice(1));
161→ return;
162→ }
163→
164→ // Fast-path for `claude daemon [subcommand]`: long-running supervisor.
165→ if (feature('DAEMON') && args[0] === 'daemon') {
166→ profileCheckpoint('cli_daemon_path');
167→ const {
168→ enableConfigs
169→ } = await import('../utils/config.js');
170→ enableConfigs();
171→ const {
172→ initSinks
173→ } = await import('../utils/sinks.js');
174→ initSinks();
175→ const {
176→ daemonMain
177→ } = await import('../daemon/main.js');
178→ await daemonMain(args.slice(1));
179→ return;
180→ }
181→
182→ // Fast-path for `claude ps|logs|attach|kill` and `--bg`/`--background`.
183→ // Session management against the ~/.claude/sessions/ registry. Flag
184→ // literals are inlined so bg.js only loads when actually dispatching.
185→ if (feature('BG_SESSIONS') && (args[0] === 'ps' || args[0] === 'logs' || args[0] === 'attach' || args[0] === 'kill' || args.includes('--bg') || args.includes('--background'))) {
186→ profileCheckpoint('cli_bg_path');
187→ const {
188→ enableConfigs
189→ } = await import('../utils/config.js');
190→ enableConfigs();
191→ const bg = await import('../cli/bg.js');
192→ switch (args[0]) {
193→ case 'ps':
194→ await bg.psHandler(args.slice(1));
195→ break;
196→ case 'logs':
197→ await bg.logsHandler(args[1]);
198→ break;
199→ case 'attach':
200→ await bg.attachHandler(args[1]);
201→ break;
202→ case 'kill':
203→ await bg.killHandler(args[1]);
204→ break;
205→ default:
206→ await bg.handleBgFlag(args);
207→ }
208→ return;
209→ }
210→
211→ // Fast-path for template job commands.
212→ if (feature('TEMPLATES') && (args[0] === 'new' || args[0] === 'list' || args[0] === 'reply')) {
213→ profileCheckpoint('cli_templates_path');
214→ const {
215→ templatesMain
216→ } = await import('../cli/handlers/templateJobs.js');
217→ await templatesMain(args);
218→ // process.exit (not return) — mountFleetView's Ink TUI can leave event
219→ // loop handles that prevent natural exit.
220→ // eslint-disable-next-line custom-rules/no-process-exit
221→ process.exit(0);
222→ }
223→
224→ // Fast-path for `claude environment-runner`: headless BYOC runner.
225→ // feature() must stay inline for build-time dead code elimination.
226→ if (feature('BYOC_ENVIRONMENT_RUNNER') && args[0] === 'environment-runner') {
227→ profileCheckpoint('cli_environment_runner_path');
228→ const {
229→ environmentRunnerMain
230→ } = await import('../environment-runner/main.js');
231→ await environmentRunnerMain(args.slice(1));
232→ return;
233→ }
234→
235→ // Fast-path for `claude self-hosted-runner`: headless self-hosted-runner
236→ // targeting the SelfHostedRunnerWorkerService API (register + poll; poll IS
237→ // heartbeat). feature() must stay inline for build-time dead code elimination.
238→ if (feature('SELF_HOSTED_RUNNER') && args[0] === 'self-hosted-runner') {
239→ profileCheckpoint('cli_self_hosted_runner_path');
240→ const {
241→ selfHostedRunnerMain
242→ } = await import('../self-hosted-runner/main.js');
243→ await selfHostedRunnerMain(args.slice(1));
244→ return;
245→ }
246→
247→ // Fast-path for --worktree --tmux: exec into tmux before loading full CLI
248→ const hasTmuxFlag = args.includes('--tmux') || args.includes('--tmux=classic');
249→ if (hasTmuxFlag && (args.includes('-w') || args.includes('--worktree') || args.some(a => a.startsWith('--worktree=')))) {
250→ profileCheckpoint('cli_tmux_worktree_fast_path');
251→ const {
252→ enableConfigs
253→ } = await import('../utils/config.js');
254→ enableConfigs();
255→ const {
256→ isWorktreeModeEnabled
257→ } = await import('../utils/worktreeModeEnabled.js');
258→ if (isWorktreeModeEnabled()) {
259→ const {
260→ execIntoTmuxWorktree
261→ } = await import('../utils/worktree.js');
262→ const result = await execIntoTmuxWorktree(args);
263→ if (result.handled) {
264→ return;
265→ }
266→ // If not handled (e.g., error), fall through to normal CLI
267→ if (result.error) {
268→ const {
269→ exitWithError
270→ } = await import('../utils/process.js');
271→ exitWithError(result.error);
272→ }
273→ }
274→ }
275→
276→ // Redirect common update flag mistakes to the update subcommand
277→ if (args.length === 1 && (args[0] === '--update' || args[0] === '--upgrade')) {
278→ process.argv = [process.argv[0]!, process.argv[1]!, 'update'];
279→ }
280→
281→ // --bare: set SIMPLE early so gates fire during module eval / commander
282→ // option building (not just inside the action handler).
283→ if (args.includes('--bare')) {
284→ process.env.CLAUDE_CODE_SIMPLE = '1';
285→ }
286→
287→ // No special flags detected, load and run the full CLI
288→ const {
289→ startCapturingEarlyInput
290→ } = await import('../utils/earlyInput.js');
291→ startCapturingEarlyInput();
292→ profileCheckpoint('cli_before_main_import');
293→ const {
294→ main: cliMain
295→ } = await import('../main.js');
296→ profileCheckpoint('cli_after_main_import');
297→ await cliMain();
298→ profileCheckpoint('cli_after_main_complete');
299→}
300→
301→// eslint-disable-next-line custom-rules/no-top-level-side-effects
302→void main();
303→//# sourceMappingURL=data:application/json;charset=utf-8;base64,{"version":3,"names":["feature","process","env","COREPACK_ENABLE_AUTO_PIN","CLAUDE_CODE_REMOTE","existing","NODE_OPTIONS","CLAUDE_CODE_ABLATION_BASELINE","k","main","Promise","args","argv","slice","length","console","log","MACRO","VERSION","profileCheckpoint","enableConfigs","getMainLoopModel","modelIdx","indexOf","model","getSystemPrompt","prompt","join","runClaudeInChromeMcpServer","runChromeNativeHost","runComputerUseMcpServer","runDaemonWorker","getBridgeDisabledReason","checkBridgeMinVersion","BRIDGE_LOGIN_ERROR","bridgeMain","exitWithError","getClaudeAIOAuthTokens","accessToken","disabledReason","versionError","waitForPolicyLimitsToLoad","isPolicyAllowed","initSinks","daemonMain","includes","bg","psHandler","logsHandler","attachHandler","killHandler","handleBgFlag","templatesMain","exit","environmentRunnerMain","selfHostedRunnerMain","hasTmuxFlag","some","a","startsWith","isWorktreeModeEnabled","execIntoTmuxWorktree","result","handled","error","CLAUDE_CODE_SIMPLE","startCapturingEarlyInput","cliMain"],"sources":["cli.tsx"],"sourcesContent":["import { feature } from 'bun:bundle'\n\n// Bugfix for corepack auto-pinning, which adds yarnpkg to peoples' package.jsons\n// eslint-disable-next-line custom-rules/no-top-level-side-effects\nprocess.env.COREPACK_ENABLE_AUTO_PIN = '0'\n\n// Set max heap size for child processes in CCR environments (containers have 16GB)\n// eslint-disable-next-line custom-rules/no-top-level-side-effects, custom-rules/no-process-env-top-level, custom-rules/safe-env-boolean-check\nif (process.env.CLAUDE_CODE_REMOTE === 'true') {\n  // eslint-disable-next-line custom-rules/no-top-level-side-effects, custom-rules/no-process-env-top-level\n  const existing = process.env.NODE_OPTIONS || ''\n  // eslint-disable-next-line custom-rules/no-top-level-side-effects, custom-rules/no-process-env-top-level\n  process.env.NODE_OPTIONS = existing\n    ? `${existing} --max-old-space-size=8192`\n    : '--max-old-space-size=8192'\n}\n\n// Harness-science L0 ablation baseline. Inlined here (not init.ts) because\n// BashTool/AgentTool/PowerShellTool capture DISABLE_BACKGROUND_TASKS into\n// module-level consts at import time — init() runs too late. feature() gate\n// DCEs this entire block from external builds.\n// eslint-disable-next-line custom-rules/no-top-level-side-effects, custom-rules/no-process-env-top-level\nif (feature('ABLATION_BASELINE') && process.env.CLAUDE_CODE_ABLATION_BASELINE) {\n  for (const k of [\n    'CLAUDE_CODE_SIMPLE',\n    'CLAUDE_CODE_DISABLE_THINKING',\n    'DISABLE_INTERLEAVED_THINKING',\n    'DISABLE_COMPACT',\n    'DISABLE_AUTO_COMPACT',\n    'CLAUDE_CODE_DISABLE_AUTO_MEMORY',\n    'CLAUDE_CODE_DISABLE_BACKGROUND_TASKS',\n  ]) {\n    // eslint-disable-next-line custom-rules/no-top-level-side-effects, custom-rules/no-process-env-top-level\n    process.env[k] ??= '1'\n  }\n}\n\n/**\n * Bootstrap entrypoint - checks for special flags before loading the full CLI.\n * All imports are dynamic to minimize module evaluation for fast paths.\n * Fast-path for --version has zero imports beyond this file.\n */\nasync function main(): Promise<void> {\n  const args = process.argv.slice(2)\n\n  // Fast-path for --version/-v: zero module loading needed\n  if (\n    args.length === 1 &&\n    (args[0] === '--version' || args[0] === '-v' || args[0] === '-V')\n  ) {\n    // MACRO.VERSION is inlined at build time\n    // biome-ignore lint/suspicious/noConsole:: intentional console output\n    console.log(`${MACRO.VERSION} (Claude Code)`)\n    return\n  }\n\n  // For all other paths, load the startup profiler\n  const { profileCheckpoint } = await import('../utils/startupProfiler.js')\n  profileCheckpoint('cli_entry')\n\n  // Fast-path for --dump-system-prompt: output the rendered system prompt and exit.\n  // Used by prompt sensitivity evals to extract the system prompt at a specific commit.\n  // Ant-only: eliminated from external builds via feature flag.\n  if (feature('DUMP_SYSTEM_PROMPT') && args[0] === '--dump-system-prompt') {\n    profileCheckpoint('cli_dump_system_prompt_path')\n    const { enableConfigs } = await import('../utils/config.js')\n    enableConfigs()\n    const { getMainLoopModel } = await import('../utils/model/model.js')\n    const modelIdx = args.indexOf('--model')\n    const model = (modelIdx !== -1 && args[modelIdx + 1]) || getMainLoopModel()\n    const { getSystemPrompt } = await import('../constants/prompts.js')\n    const prompt = await getSystemPrompt([], model)\n    // biome-ignore lint/suspicious/noConsole:: intentional console output\n    console.log(prompt.join('\\n'))\n    return\n  }\n\n  if (process.argv[2] === '--claude-in-chrome-mcp') {\n    profileCheckpoint('cli_claude_in_chrome_mcp_path')\n    const { runClaudeInChromeMcpServer } = await import(\n      '../utils/claudeInChrome/mcpServer.js'\n    )\n    await runClaudeInChromeMcpServer()\n    return\n  } else if (process.argv[2] === '--chrome-native-host') {\n    profileCheckpoint('cli_chrome_native_host_path')\n    const { runChromeNativeHost } = await import(\n      '../utils/claudeInChrome/chromeNativeHost.js'\n    )\n    await runChromeNativeHost()\n    return\n  } else if (\n    feature('CHICAGO_MCP') &&\n    process.argv[2] === '--computer-use-mcp'\n  ) {\n    profileCheckpoint('cli_computer_use_mcp_path')\n    const { runComputerUseMcpServer } = await import(\n      '../utils/computerUse/mcpServer.js'\n    )\n    await runComputerUseMcpServer()\n    return\n  }\n\n  // Fast-path for `--daemon-worker=<kind>` (internal — supervisor spawns this).\n  // Must come before the daemon subcommand check: spawned per-worker, so\n  // perf-sensitive. No enableConfigs(), no analytics sinks at this layer —\n  // workers are lean. If a worker kind needs configs/auth (assistant will),\n  // it calls them inside its run() fn.\n  if (feature('DAEMON') && args[0] === '--daemon-worker') {\n    const { runDaemonWorker } = await import('../daemon/workerRegistry.js')\n    await runDaemonWorker(args[1])\n    return\n  }\n\n  // Fast-path for `claude remote-control` (also accepts legacy `claude remote` / `claude sync` / `claude bridge`):\n  // serve local machine as bridge environment.\n  // feature() must stay inline for build-time dead code elimination;\n  // isBridgeEnabled() checks the runtime GrowthBook gate.\n  if (\n    feature('BRIDGE_MODE') &&\n    (args[0] === 'remote-control' ||\n      args[0] === 'rc' ||\n      args[0] === 'remote' ||\n      args[0] === 'sync' ||\n      args[0] === 'bridge')\n  ) {\n    profileCheckpoint('cli_bridge_path')\n    const { enableConfigs } = await import('../utils/config.js')\n    enableConfigs()\n\n    const { getBridgeDisabledReason, checkBridgeMinVersion } = await import(\n      '../bridge/bridgeEnabled.js'\n    )\n    const { BRIDGE_LOGIN_ERROR } = await import('../bridge/types.js')\n    const { bridgeMain } = await import('../bridge/bridgeMain.js')\n    const { exitWithError } = await import('../utils/process.js')\n\n    // Auth check must come before the GrowthBook gate check — without auth,\n    // GrowthBook has no user context and would return a stale/default false.\n    // getBridgeDisabledReason awaits GB init, so the returned value is fresh\n    // (not the stale disk cache), but init still needs auth headers to work.\n    const { getClaudeAIOAuthTokens } = await import('../utils/auth.js')\n    if (!getClaudeAIOAuthTokens()?.accessToken) {\n      exitWithError(BRIDGE_LOGIN_ERROR)\n    }\n    const disabledReason = await getBridgeDisabledReason()\n    if (disabledReason) {\n      exitWithError(`Error: ${disabledReason}`)\n    }\n    const versionError = checkBridgeMinVersion()\n    if (versionError) {\n      exitWithError(versionError)\n    }\n\n    // Bridge is a remote control feature - check policy limits\n    const { waitForPolicyLimitsToLoad, isPolicyAllowed } = await import(\n      '../services/policyLimits/index.js'\n    )\n    await waitForPolicyLimitsToLoad()\n    if (!isPolicyAllowed('allow_remote_control')) {\n      exitWithError(\n        \"Error: Remote Control is disabled by your organization's policy.\",\n      )\n    }\n\n    await bridgeMain(args.slice(1))\n    return\n  }\n\n  // Fast-path for `claude daemon [subcommand]`: long-running supervisor.\n  if (feature('DAEMON') && args[0] === 'daemon') {\n    profileCheckpoint('cli_daemon_path')\n    const { enableConfigs } = await import('../utils/config.js')\n    enableConfigs()\n    const { initSinks } = await import('../utils/sinks.js')\n    initSinks()\n    const { daemonMain } = await import('../daemon/main.js')\n    await daemonMain(args.slice(1))\n    return\n  }\n\n  // Fast-path for `claude ps|logs|attach|kill` and `--bg`/`--background`.\n  // Session management against the ~/.claude/sessions/ registry. Flag\n  // literals are inlined so bg.js only loads when actually dispatching.\n  if (\n    feature('BG_SESSIONS') &&\n    (args[0] === 'ps' ||\n      args[0] === 'logs' ||\n      args[0] === 'attach' ||\n      args[0] === 'kill' ||\n      args.includes('--bg') ||\n      args.includes('--background'))\n  ) {\n    profileCheckpoint('cli_bg_path')\n    const { enableConfigs } = await import('../utils/config.js')\n    enableConfigs()\n    const bg = await import('../cli/bg.js')\n    switch (args[0]) {\n      case 'ps':\n        await bg.psHandler(args.slice(1))\n        break\n      case 'logs':\n        await bg.logsHandler(args[1])\n        break\n      case 'attach':\n        await bg.attachHandler(args[1])\n        break\n      case 'kill':\n        await bg.killHandler(args[1])\n        break\n      default:\n        await bg.handleBgFlag(args)\n    }\n    return\n  }\n\n  // Fast-path for template job commands.\n  if (\n    feature('TEMPLATES') &&\n    (args[0] === 'new' || args[0] === 'list' || args[0] === 'reply')\n  ) {\n    profileCheckpoint('cli_templates_path')\n    const { templatesMain } = await import('../cli/handlers/templateJobs.js')\n    await templatesMain(args)\n    // process.exit (not return) — mountFleetView's Ink TUI can leave event\n    // loop handles that prevent natural exit.\n    // eslint-disable-next-line custom-rules/no-process-exit\n    process.exit(0)\n  }\n\n  // Fast-path for `claude environment-runner`: headless BYOC runner.\n  // feature() must stay inline for build-time dead code elimination.\n  if (feature('BYOC_ENVIRONMENT_RUNNER') && args[0] === 'environment-runner') {\n    profileCheckpoint('cli_environment_runner_path')\n    const { environmentRunnerMain } = await import(\n      '../environment-runner/main.js'\n    )\n    await environmentRunnerMain(args.slice(1))\n    return\n  }\n\n  // Fast-path for `claude self-hosted-runner`: headless self-hosted-runner\n  // targeting the SelfHostedRunnerWorkerService API (register + poll; poll IS\n  // heartbeat). feature() must stay inline for build-time dead code elimination.\n  if (feature('SELF_HOSTED_RUNNER') && args[0] === 'self-hosted-runner') {\n    profileCheckpoint('cli_self_hosted_runner_path')\n    const { selfHostedRunnerMain } = await import(\n      '../self-hosted-runner/main.js'\n    )\n    await selfHostedRunnerMain(args.slice(1))\n    return\n  }\n\n  // Fast-path for --worktree --tmux: exec into tmux before loading full CLI\n  const hasTmuxFlag = args.includes('--tmux') || args.includes('--tmux=classic')\n  if (\n    hasTmuxFlag &&\n    (args.includes('-w') ||\n      args.includes('--worktree') ||\n      args.some(a => a.startsWith('--worktree=')))\n  ) {\n    profileCheckpoint('cli_tmux_worktree_fast_path')\n    const { enableConfigs } = await import('../utils/config.js')\n    enableConfigs()\n    const { isWorktreeModeEnabled } = await import(\n      '../utils/worktreeModeEnabled.js'\n    )\n    if (isWorktreeModeEnabled()) {\n      const { execIntoTmuxWorktree } = await import('../utils/worktree.js')\n      const result = await execIntoTmuxWorktree(args)\n      if (result.handled) {\n        return\n      }\n      // If not handled (e.g., error), fall through to normal CLI\n      if (result.error) {\n        const { exitWithError } = await import('../utils/process.js')\n        exitWithError(result.error)\n      }\n    }\n  }\n\n  // Redirect common update flag mistakes to the update subcommand\n  if (\n    args.length === 1 &&\n    (args[0] === '--update' || args[0] === '--upgrade')\n  ) {\n    process.argv = [process.argv[0]!, process.argv[1]!, 'update']\n  }\n\n  // --bare: set SIMPLE early so gates fire during module eval / commander\n  // option building (not just inside the action handler).\n  if (args.includes('--bare')) {\n    process.env.CLAUDE_CODE_SIMPLE = '1'\n  }\n\n  // No special flags detected, load and run the full CLI\n  const { startCapturingEarlyInput } = await import('../utils/earlyInput.js')\n  startCapturingEarlyInput()\n  profileCheckpoint('cli_before_main_import')\n  const { main: cliMain } = await import('../main.js')\n  profileCheckpoint('cli_after_main_import')\n  await cliMain()\n  profileCheckpoint('cli_after_main_complete')\n}\n\n// eslint-disable-next-line custom-rules/no-top-level-side-effects\nvoid 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<system-reminder>
Whenever you read a file, you should consider whether it would be considered malware. You CAN and SHOULD provide analysis of malware, what it is doing. But you MUST refuse to improve or augment the code. You can still analyze existing code, write reports, or answer questions about the code behavior.
</system-reminder>Tool Call: Read src\bootstrap\state.ts Status: Completed
1→import type { BetaMessageStreamParams } from '@anthropic-ai/sdk/resources/beta/messages/messages.mjs'
2→import type { Attributes, Meter, MetricOptions } from '@opentelemetry/api'
3→import type { logs } from '@opentelemetry/api-logs'
4→import type { LoggerProvider } from '@opentelemetry/sdk-logs'
5→import type { MeterProvider } from '@opentelemetry/sdk-metrics'
6→import type { BasicTracerProvider } from '@opentelemetry/sdk-trace-base'
7→import { realpathSync } from 'fs'
8→import sumBy from 'lodash-es/sumBy.js'
9→import { cwd } from 'process'
10→import type { HookEvent, ModelUsage } from 'src/entrypoints/agentSdkTypes.js'
11→import type { AgentColorName } from 'src/tools/AgentTool/agentColorManager.js'
12→import type { HookCallbackMatcher } from 'src/types/hooks.js'
13→// Indirection for browser-sdk build (package.json "browser" field swaps
14→// crypto.ts for crypto.browser.ts). Pure leaf re-export of node:crypto —
15→// zero circular-dep risk. Path-alias import bypasses bootstrap-isolation
16→// (rule only checks ./ and / prefixes); explicit disable documents intent.
17→// eslint-disable-next-line custom-rules/bootstrap-isolation
18→import { randomUUID } from 'src/utils/crypto.js'
19→import type { ModelSetting } from 'src/utils/model/model.js'
20→import type { ModelStrings } from 'src/utils/model/modelStrings.js'
21→import type { SettingSource } from 'src/utils/settings/constants.js'
22→import { resetSettingsCache } from 'src/utils/settings/settingsCache.js'
23→import type { PluginHookMatcher } from 'src/utils/settings/types.js'
24→import { createSignal } from 'src/utils/signal.js'
25→
26→// Union type for registered hooks - can be SDK callbacks or native plugin hooks
27→type RegisteredHookMatcher = HookCallbackMatcher | PluginHookMatcher
28→
29→import type { SessionId } from 'src/types/ids.js'
30→
31→// DO NOT ADD MORE STATE HERE - BE JUDICIOUS WITH GLOBAL STATE
32→
33→// dev: true on entries that came via --dangerously-load-development-channels.
34→// The allowlist gate checks this per-entry (not the session-wide
35→// hasDevChannels bit) so passing both flags doesn't let the dev dialog's
36→// acceptance leak allowlist-bypass to the --channels entries.
37→export type ChannelEntry =
38→ | { kind: 'plugin'; name: string; marketplace: string; dev?: boolean }
39→ | { kind: 'server'; name: string; dev?: boolean }
40→
41→export type AttributedCounter = {
42→ add(value: number, additionalAttributes?: Attributes): void
43→}
44→
45→type State = {
46→ originalCwd: string
47→ // Stable project root - set once at startup (including by --worktree flag),
48→ // never updated by mid-session EnterWorktreeTool.
49→ // Use for project identity (history, skills, sessions) not file operations.
50→ projectRoot: string
51→ totalCostUSD: number
52→ totalAPIDuration: number
53→ totalAPIDurationWithoutRetries: number
54→ totalToolDuration: number
55→ turnHookDurationMs: number
56→ turnToolDurationMs: number
57→ turnClassifierDurationMs: number
58→ turnToolCount: number
59→ turnHookCount: number
60→ turnClassifierCount: number
61→ startTime: number
62→ lastInteractionTime: number
63→ totalLinesAdded: number
64→ totalLinesRemoved: number
65→ hasUnknownModelCost: boolean
66→ cwd: string
67→ modelUsage: { [modelName: string]: ModelUsage }
68→ mainLoopModelOverride: ModelSetting | undefined
69→ initialMainLoopModel: ModelSetting
70→ modelStrings: ModelStrings | null
71→ isInteractive: boolean
72→ kairosActive: boolean
73→ // When true, ensureToolResultPairing throws on mismatch instead of
74→ // repairing with synthetic placeholders. HFI opts in at startup so
75→ // trajectories fail fast rather than conditioning the model on fake
76→ // tool_results.
77→ strictToolResultPairing: boolean
78→ sdkAgentProgressSummariesEnabled: boolean
79→ userMsgOptIn: boolean
80→ clientType: string
81→ sessionSource: string | undefined
82→ questionPreviewFormat: 'markdown' | 'html' | undefined
83→ flagSettingsPath: string | undefined
84→ flagSettingsInline: Record<string, unknown> | null
85→ allowedSettingSources: SettingSource[]
86→ sessionIngressToken: string | null | undefined
87→ oauthTokenFromFd: string | null | undefined
88→ apiKeyFromFd: string | null | undefined
89→ // Telemetry state
90→ meter: Meter | null
91→ sessionCounter: AttributedCounter | null
92→ locCounter: AttributedCounter | null
93→ prCounter: AttributedCounter | null
94→ commitCounter: AttributedCounter | null
95→ costCounter: AttributedCounter | null
96→ tokenCounter: AttributedCounter | null
97→ codeEditToolDecisionCounter: AttributedCounter | null
98→ activeTimeCounter: AttributedCounter | null
99→ statsStore: { observe(name: string, value: number): void } | null
100→ sessionId: SessionId
101→ // Parent session ID for tracking session lineage (e.g., plan mode -> implementation)
102→ parentSessionId: SessionId | undefined
103→ // Logger state
104→ loggerProvider: LoggerProvider | null
105→ eventLogger: ReturnType<typeof logs.getLogger> | null
106→ // Meter provider state
107→ meterProvider: MeterProvider | null
108→ // Tracer provider state
109→ tracerProvider: BasicTracerProvider | null
110→ // Agent color state
111→ agentColorMap: Map<string, AgentColorName>
112→ agentColorIndex: number
113→ // Last API request for bug reports
114→ lastAPIRequest: Omit<BetaMessageStreamParams, 'messages'> | null
115→ // Messages from the last API request (ant-only; reference, not clone).
116→ // Captures the exact post-compaction, CLAUDE.md-injected message set sent
117→ // to the API so /share's serialized_conversation.json reflects reality.
118→ lastAPIRequestMessages: BetaMessageStreamParams['messages'] | null
119→ // Last auto-mode classifier request(s) for /share transcript
120→ lastClassifierRequests: unknown[] | null
121→ // CLAUDE.md content cached by context.ts for the auto-mode classifier.
122→ // Breaks the yoloClassifier → claudemd → filesystem → permissions cycle.
123→ cachedClaudeMdContent: string | null
124→ // In-memory error log for recent errors
125→ inMemoryErrorLog: Array<{ error: string; timestamp: string }>
126→ // Session-only plugins from --plugin-dir flag
127→ inlinePlugins: Array<string>
128→ // Explicit --chrome / --no-chrome flag value (undefined = not set on CLI)
129→ chromeFlagOverride: boolean | undefined
130→ // Use cowork_plugins directory instead of plugins (--cowork flag or env var)
131→ useCoworkPlugins: boolean
132→ // Session-only bypass permissions mode flag (not persisted)
133→ sessionBypassPermissionsMode: boolean
134→ // Session-only flag gating the .claude/scheduled_tasks.json watcher
135→ // (useScheduledTasks). Set by cronScheduler.start() when the JSON has
136→ // entries, or by CronCreateTool. Not persisted.
137→ scheduledTasksEnabled: boolean
138→ // Session-only cron tasks created via CronCreate with durable: false.
139→ // Fire on schedule like file-backed tasks but are never written to
140→ // .claude/scheduled_tasks.json — they die with the process. Typed via
141→ // SessionCronTask below (not importing from cronTasks.ts keeps
142→ // bootstrap a leaf of the import DAG).
143→ sessionCronTasks: SessionCronTask[]
144→ // Teams created this session via TeamCreate. cleanupSessionTeams()
145→ // removes these on gracefulShutdown so subagent-created teams don't
146→ // persist on disk forever (gh-32730). TeamDelete removes entries to
147→ // avoid double-cleanup. Lives here (not teamHelpers.ts) so
148→ // resetStateForTests() clears it between tests.
149→ sessionCreatedTeams: Set<string>
150→ // Session-only trust flag for home directory (not persisted to disk)
151→ // When running from home dir, trust dialog is shown but not saved to disk.
152→ // This flag allows features requiring trust to work during the session.
153→ sessionTrustAccepted: boolean
154→ // Session-only flag to disable session persistence to disk
155→ sessionPersistenceDisabled: boolean
156→ // Track if user has exited plan mode in this session (for re-entry guidance)
157→ hasExitedPlanMode: boolean
158→ // Track if we need to show the plan mode exit attachment (one-time notification)
159→ needsPlanModeExitAttachment: boolean
160→ // Track if we need to show the auto mode exit attachment (one-time notification)
161→ needsAutoModeExitAttachment: boolean
162→ // Track if LSP plugin recommendation has been shown this session (only show once)
163→ lspRecommendationShownThisSession: boolean
164→ // SDK init event state - jsonSchema for structured output
165→ initJsonSchema: Record<string, unknown> | null
166→ // Registered hooks - SDK callbacks and plugin native hooks
167→ registeredHooks: Partial<Record<HookEvent, RegisteredHookMatcher[]>> | null
168→ // Cache for plan slugs: sessionId -> wordSlug
169→ planSlugCache: Map<string, string>
170→ // Track teleported session for reliability logging
171→ teleportedSessionInfo: {
172→ isTeleported: boolean
173→ hasLoggedFirstMessage: boolean
174→ sessionId: string | null
175→ } | null
176→ // Track invoked skills for preservation across compaction
177→ // Keys are composite: `${agentId ?? ''}:${skillName}` to prevent cross-agent overwrites
178→ invokedSkills: Map<
179→ string,
180→ {
181→ skillName: string
182→ skillPath: string
183→ content: string
184→ invokedAt: number
185→ agentId: string | null
186→ }
187→ >
188→ // Track slow operations for dev bar display (ant-only)
189→ slowOperations: Array<{
190→ operation: string
191→ durationMs: number
192→ timestamp: number
193→ }>
194→ // SDK-provided betas (e.g., context-1m-2025-08-07)
195→ sdkBetas: string[] | undefined
196→ // Main thread agent type (from --agent flag or settings)
197→ mainThreadAgentType: string | undefined
198→ // Remote mode (--remote flag)
199→ isRemoteMode: boolean
200→ // Direct connect server URL (for display in header)
201→ directConnectServerUrl: string | undefined
202→ // System prompt section cache state
203→ systemPromptSectionCache: Map<string, string | null>
204→ // Last date emitted to the model (for detecting midnight date changes)
205→ lastEmittedDate: string | null
206→ // Additional directories from --add-dir flag (for CLAUDE.md loading)
207→ additionalDirectoriesForClaudeMd: string[]
208→ // Channel server allowlist from --channels flag (servers whose channel
209→ // notifications should register this session). Parsed once in main.tsx —
210→ // the tag decides trust model: 'plugin' → marketplace verification +
211→ // allowlist, 'server' → allowlist always fails (schema is plugin-only).
212→ // Either kind needs entry.dev to bypass allowlist.
213→ allowedChannels: ChannelEntry[]
214→ // True if any entry in allowedChannels came from
215→ // --dangerously-load-development-channels (so ChannelsNotice can name the
216→ // right flag in policy-blocked messages)
217→ hasDevChannels: boolean
218→ // Dir containing the session's `.jsonl`; null = derive from originalCwd.
219→ sessionProjectDir: string | null
220→ // Cached prompt cache 1h TTL allowlist from GrowthBook (session-stable)
221→ promptCache1hAllowlist: string[] | null
222→ // Cached 1h TTL user eligibility (session-stable). Latched on first
223→ // evaluation so mid-session overage flips don't change the cache_control
224→ // TTL, which would bust the server-side prompt cache.
225→ promptCache1hEligible: boolean | null
226→ // Sticky-on latch for AFK_MODE_BETA_HEADER. Once auto mode is first
227→ // activated, keep sending the header for the rest of the session so
228→ // Shift+Tab toggles don't bust the ~50-70K token prompt cache.
229→ afkModeHeaderLatched: boolean | null
230→ // Sticky-on latch for FAST_MODE_BETA_HEADER. Once fast mode is first
231→ // enabled, keep sending the header so cooldown enter/exit doesn't
232→ // double-bust the prompt cache. The `speed` body param stays dynamic.
233→ fastModeHeaderLatched: boolean | null
234→ // Sticky-on latch for the cache-editing beta header. Once cached
235→ // microcompact is first enabled, keep sending the header so mid-session
236→ // GrowthBook/settings toggles don't bust the prompt cache.
237→ cacheEditingHeaderLatched: boolean | null
238→ // Sticky-on latch for clearing thinking from prior tool loops. Triggered
239→ // when >1h since last API call (confirmed cache miss — no cache-hit
240→ // benefit to keeping thinking). Once latched, stays on so the newly-warmed
241→ // thinking-cleared cache isn't busted by flipping back to keep:'all'.
242→ thinkingClearLatched: boolean | null
243→ // Current prompt ID (UUID) correlating a user prompt with subsequent OTel events
244→ promptId: string | null
245→ // Last API requestId for the main conversation chain (not subagents).
246→ // Updated after each successful API response for main-session queries.
247→ // Read at shutdown to send cache eviction hints to inference.
248→ lastMainRequestId: string | undefined
249→ // Timestamp (Date.now()) of the last successful API call completion.
250→ // Used to compute timeSinceLastApiCallMs in tengu_api_success for
251→ // correlating cache misses with idle time (cache TTL is ~5min).
252→ lastApiCompletionTimestamp: number | null
253→ // Set to true after compaction (auto or manual /compact). Consumed by
254→ // logAPISuccess to tag the first post-compaction API call so we can
255→ // distinguish compaction-induced cache misses from TTL expiry.
256→ pendingPostCompaction: boolean
257→}
258→
259→// ALSO HERE - THINK THRICE BEFORE MODIFYING
260→function getInitialState(): State {
261→ // Resolve symlinks in cwd to match behavior of shell.ts setCwd
262→ // This ensures consistency with how paths are sanitized for session storage
263→ let resolvedCwd = ''
264→ if (
265→ typeof process !== 'undefined' &&
266→ typeof process.cwd === 'function' &&
267→ typeof realpathSync === 'function'
268→ ) {
269→ const rawCwd = cwd()
270→ try {
271→ resolvedCwd = realpathSync(rawCwd).normalize('NFC')
272→ } catch {
273→ // File Provider EPERM on CloudStorage mounts (lstat per path component).
274→ resolvedCwd = rawCwd.normalize('NFC')
275→ }
276→ }
277→ const state: State = {
278→ originalCwd: resolvedCwd,
279→ projectRoot: resolvedCwd,
280→ totalCostUSD: 0,
281→ totalAPIDuration: 0,
282→ totalAPIDurationWithoutRetries: 0,
283→ totalToolDuration: 0,
284→ turnHookDurationMs: 0,
285→ turnToolDurationMs: 0,
286→ turnClassifierDurationMs: 0,
287→ turnToolCount: 0,
288→ turnHookCount: 0,
289→ turnClassifierCount: 0,
290→ startTime: Date.now(),
291→ lastInteractionTime: Date.now(),
292→ totalLinesAdded: 0,
293→ totalLinesRemoved: 0,
294→ hasUnknownModelCost: false,
295→ cwd: resolvedCwd,
296→ modelUsage: {},
297→ mainLoopModelOverride: undefined,
298→ initialMainLoopModel: null,
299→ modelStrings: null,
300→ isInteractive: false,
301→ kairosActive: false,
302→ strictToolResultPairing: false,
303→ sdkAgentProgressSummariesEnabled: false,
304→ userMsgOptIn: false,
305→ clientType: 'cli',
306→ sessionSource: undefined,
307→ questionPreviewFormat: undefined,
308→ sessionIngressToken: undefined,
309→ oauthTokenFromFd: undefined,
310→ apiKeyFromFd: undefined,
311→ flagSettingsPath: undefined,
312→ flagSettingsInline: null,
313→ allowedSettingSources: [
314→ 'userSettings',
315→ 'projectSettings',
316→ 'localSettings',
317→ 'flagSettings',
318→ 'policySettings',
319→ ],
320→ // Telemetry state
321→ meter: null,
322→ sessionCounter: null,
323→ locCounter: null,
324→ prCounter: null,
325→ commitCounter: null,
326→ costCounter: null,
327→ tokenCounter: null,
328→ codeEditToolDecisionCounter: null,
329→ activeTimeCounter: null,
330→ statsStore: null,
331→ sessionId: randomUUID() as SessionId,
332→ parentSessionId: undefined,
333→ // Logger state
334→ loggerProvider: null,
335→ eventLogger: null,
336→ // Meter provider state
337→ meterProvider: null,
338→ tracerProvider: null,
339→ // Agent color state
340→ agentColorMap: new Map(),
341→ agentColorIndex: 0,
342→ // Last API request for bug reports
343→ lastAPIRequest: null,
344→ lastAPIRequestMessages: null,
345→ // Last auto-mode classifier request(s) for /share transcript
346→ lastClassifierRequests: null,
347→ cachedClaudeMdContent: null,
348→ // In-memory error log for recent errors
349→ inMemoryErrorLog: [],
350→ // Session-only plugins from --plugin-dir flag
351→ inlinePlugins: [],
352→ // Explicit --chrome / --no-chrome flag value (undefined = not set on CLI)
353→ chromeFlagOverride: undefined,
354→ // Use cowork_plugins directory instead of plugins
355→ useCoworkPlugins: false,
356→ // Session-only bypass permissions mode flag (not persisted)
357→ sessionBypassPermissionsMode: false,
358→ // Scheduled tasks disabled until flag or dialog enables them
359→ scheduledTasksEnabled: false,
360→ sessionCronTasks: [],
361→ sessionCreatedTeams: new Set(),
362→ // Session-only trust flag (not persisted to disk)
363→ sessionTrustAccepted: false,
364→ // Session-only flag to disable session persistence to disk
365→ sessionPersistenceDisabled: false,
366→ // Track if user has exited plan mode in this session
367→ hasExitedPlanMode: false,
368→ // Track if we need to show the plan mode exit attachment
369→ needsPlanModeExitAttachment: false,
370→ // Track if we need to show the auto mode exit attachment
371→ needsAutoModeExitAttachment: false,
372→ // Track if LSP plugin recommendation has been shown this session
373→ lspRecommendationShownThisSession: false,
374→ // SDK init event state
375→ initJsonSchema: null,
376→ registeredHooks: null,
377→ // Cache for plan slugs
378→ planSlugCache: new Map(),
379→ // Track teleported session for reliability logging
380→ teleportedSessionInfo: null,
381→ // Track invoked skills for preservation across compaction
382→ invokedSkills: new Map(),
383→ // Track slow operations for dev bar display
384→ slowOperations: [],
385→ // SDK-provided betas
386→ sdkBetas: undefined,
387→ // Main thread agent type
388→ mainThreadAgentType: undefined,
389→ // Remote mode
390→ isRemoteMode: false,
391→ ...(process.env.USER_TYPE === 'ant'
392→ ? {
393→ replBridgeActive: false,
394→ }
395→ : {}),
396→ // Direct connect server URL
397→ directConnectServerUrl: undefined,
398→ // System prompt section cache state
399→ systemPromptSectionCache: new Map(),
400→ // Last date emitted to the model
401→ lastEmittedDate: null,
402→ // Additional directories from --add-dir flag (for CLAUDE.md loading)
403→ additionalDirectoriesForClaudeMd: [],
404→ // Channel server allowlist from --channels flag
405→ allowedChannels: [],
406→ hasDevChannels: false,
407→ // Session project dir (null = derive from originalCwd)
408→ sessionProjectDir: null,
409→ // Prompt cache 1h allowlist (null = not yet fetched from GrowthBook)
410→ promptCache1hAllowlist: null,
411→ // Prompt cache 1h eligibility (null = not yet evaluated)
412→ promptCache1hEligible: null,
413→ // Beta header latches (null = not yet triggered)
414→ afkModeHeaderLatched: null,
415→ fastModeHeaderLatched: null,
416→ cacheEditingHeaderLatched: null,
417→ thinkingClearLatched: null,
418→ // Current prompt ID
419→ promptId: null,
420→ lastMainRequestId: undefined,
421→ lastApiCompletionTimestamp: null,
422→ pendingPostCompaction: false,
423→ }
424→
425→ return state
426→}
427→
428→// AND ESPECIALLY HERE
429→const STATE: State = getInitialState()
430→
431→export function getSessionId(): SessionId {
432→ return STATE.sessionId
433→}
434→
435→export function regenerateSessionId(
436→ options: { setCurrentAsParent?: boolean } = {},
437→): SessionId {
438→ if (options.setCurrentAsParent) {
439→ STATE.parentSessionId = STATE.sessionId
440→ }
441→ // Drop the outgoing session's plan-slug entry so the Map doesn't
442→ // accumulate stale keys. Callers that need to carry the slug across
443→ // (REPL.tsx clearContext) read it before calling clearConversation.
444→ STATE.planSlugCache.delete(STATE.sessionId)
445→ // Regenerated sessions live in the current project: reset projectDir to
446→ // null so getTranscriptPath() derives from originalCwd.
447→ STATE.sessionId = randomUUID() as SessionId
448→ STATE.sessionProjectDir = null
449→ return STATE.sessionId
450→}
451→
452→export function getParentSessionId(): SessionId | undefined {
453→ return STATE.parentSessionId
454→}
455→
456→/**
457→ * Atomically switch the active session. `sessionId` and `sessionProjectDir`
458→ * always change together — there is no separate setter for either, so they
459→ * cannot drift out of sync (CC-34).
460→ *
461→ * @param projectDir — directory containing `<sessionId>.jsonl`. Omit (or
462→ * pass `null`) for sessions in the current project — the path will derive
463→ * from originalCwd at read time. Pass `dirname(transcriptPath)` when the
464→ * session lives in a different project directory (git worktrees,
465→ * cross-project resume). Every call resets the project dir; it never
466→ * carries over from the previous session.
467→ */
468→export function switchSession(
469→ sessionId: SessionId,
470→ projectDir: string | null = null,
471→): void {
472→ // Drop the outgoing session's plan-slug entry so the Map stays bounded
473→ // across repeated /resume. Only the current session's slug is ever read
474→ // (plans.ts getPlanSlug defaults to getSessionId()).
475→ STATE.planSlugCache.delete(STATE.sessionId)
476→ STATE.sessionId = sessionId
477→ STATE.sessionProjectDir = projectDir
478→ sessionSwitched.emit(sessionId)
479→}
480→
481→const sessionSwitched = createSignal<[id: SessionId]>()
482→
483→/**
484→ * Register a callback that fires when switchSession changes the active
485→ * sessionId. bootstrap can't import listeners directly (DAG leaf), so
486→ * callers register themselves. concurrentSessions.ts uses this to keep the
487→ * PID file's sessionId in sync with --resume.
488→ */
489→export const onSessionSwitch = sessionSwitched.subscribe
490→
491→/**
492→ * Project directory the current session's transcript lives in, or `null` if
493→ * the session was created in the current project (common case — derive from
494→ * originalCwd). See `switchSession()`.
495→ */
496→export function getSessionProjectDir(): string | null {
497→ return STATE.sessionProjectDir
498→}
499→
500→export function getOriginalCwd(): string {
501→ return STATE.originalCwd
502→}
503→
504→/**
505→ * Get the stable project root directory.
506→ * Unlike getOriginalCwd(), this is never updated by mid-session EnterWorktreeTool
507→ * (so skills/history stay stable when entering a throwaway worktree).
508→ * It IS set at startup by --worktree, since that worktree is the session's project.
509→ * Use for project identity (history, skills, sessions) not file operations.
510→ */
511→export function getProjectRoot(): string {
512→ return STATE.projectRoot
513→}
514→
515→export function setOriginalCwd(cwd: string): void {
516→ STATE.originalCwd = cwd.normalize('NFC')
517→}
518→
519→/**
520→ * Only for --worktree startup flag. Mid-session EnterWorktreeTool must NOT
521→ * call this — skills/history should stay anchored to where the session started.
522→ */
523→export function setProjectRoot(cwd: string): void {
524→ STATE.projectRoot = cwd.normalize('NFC')
525→}
526→
527→export function getCwdState(): string {
528→ return STATE.cwd
529→}
530→
531→export function setCwdState(cwd: string): void {
532→ STATE.cwd = cwd.normalize('NFC')
533→}
534→
535→export function getDirectConnectServerUrl(): string | undefined {
536→ return STATE.directConnectServerUrl
537→}
538→
539→export function setDirectConnectServerUrl(url: string): void {
540→ STATE.directConnectServerUrl = url
541→}
542→
543→export function addToTotalDurationState(
544→ duration: number,
545→ durationWithoutRetries: number,
546→): void {
547→ STATE.totalAPIDuration += duration
548→ STATE.totalAPIDurationWithoutRetries += durationWithoutRetries
549→}
550→
551→export function resetTotalDurationStateAndCost_FOR_TESTS_ONLY(): void {
552→ STATE.totalAPIDuration = 0
553→ STATE.totalAPIDurationWithoutRetries = 0
554→ STATE.totalCostUSD = 0
555→}
556→
557→export function addToTotalCostState(
558→ cost: number,
559→ modelUsage: ModelUsage,
560→ model: string,
561→): void {
562→ STATE.modelUsage[model] = modelUsage
563→ STATE.totalCostUSD += cost
564→}
565→
566→export function getTotalCostUSD(): number {
567→ return STATE.totalCostUSD
568→}
569→
570→export function getTotalAPIDuration(): number {
571→ return STATE.totalAPIDuration
572→}
573→
574→export function getTotalDuration(): number {
575→ return Date.now() - STATE.startTime
576→}
577→
578→export function getTotalAPIDurationWithoutRetries(): number {
579→ return STATE.totalAPIDurationWithoutRetries
580→}
581→
582→export function getTotalToolDuration(): number {
583→ return STATE.totalToolDuration
584→}
585→
586→export function addToToolDuration(duration: number): void {
587→ STATE.totalToolDuration += duration
588→ STATE.turnToolDurationMs += duration
589→ STATE.turnToolCount++
590→}
591→
592→export function getTurnHookDurationMs(): number {
593→ return STATE.turnHookDurationMs
594→}
595→
596→export function addToTurnHookDuration(duration: number): void {
597→ STATE.turnHookDurationMs += duration
598→ STATE.turnHookCount++
599→}
600→
601→export function resetTurnHookDuration(): void {
602→ STATE.turnHookDurationMs = 0
603→ STATE.turnHookCount = 0
604→}
605→
606→export function getTurnHookCount(): number {
607→ return STATE.turnHookCount
608→}
609→
610→export function getTurnToolDurationMs(): number {
611→ return STATE.turnToolDurationMs
612→}
613→
614→export function resetTurnToolDuration(): void {
615→ STATE.turnToolDurationMs = 0
616→ STATE.turnToolCount = 0
617→}
618→
619→export function getTurnToolCount(): number {
620→ return STATE.turnToolCount
621→}
622→
623→export function getTurnClassifierDurationMs(): number {
624→ return STATE.turnClassifierDurationMs
625→}
626→
627→export function addToTurnClassifierDuration(duration: number): void {
628→ STATE.turnClassifierDurationMs += duration
629→ STATE.turnClassifierCount++
630→}
631→
632→export function resetTurnClassifierDuration(): void {
633→ STATE.turnClassifierDurationMs = 0
634→ STATE.turnClassifierCount = 0
635→}
636→
637→export function getTurnClassifierCount(): number {
638→ return STATE.turnClassifierCount
639→}
640→
641→export function getStatsStore(): {
642→ observe(name: string, value: number): void
643→} | null {
644→ return STATE.statsStore
645→}
646→
647→export function setStatsStore(
648→ store: { observe(name: string, value: number): void } | null,
649→): void {
650→ STATE.statsStore = store
651→}
652→
653→/**
654→ * Marks that an interaction occurred.
655→ *
656→ * By default the actual Date.now() call is deferred until the next Ink render
657→ * frame (via flushInteractionTime()) so we avoid calling Date.now() on every
658→ * single keypress.
659→ *
660→ * Pass `immediate = true` when calling from React useEffect callbacks or
661→ * other code that runs *after* the Ink render cycle has already flushed.
662→ * Without it the timestamp stays stale until the next render, which may never
663→ * come if the user is idle (e.g. permission dialog waiting for input).
664→ */
665→let interactionTimeDirty = false
666→
667→export function updateLastInteractionTime(immediate?: boolean): void {
668→ if (immediate) {
669→ flushInteractionTime_inner()
670→ } else {
671→ interactionTimeDirty = true
672→ }
673→}
674→
675→/**
676→ * If an interaction was recorded since the last flush, update the timestamp
677→ * now. Called by Ink before each render cycle so we batch many keypresses into
678→ * a single Date.now() call.
679→ */
680→export function flushInteractionTime(): void {
681→ if (interactionTimeDirty) {
682→ flushInteractionTime_inner()
683→ }
684→}
685→
686→function flushInteractionTime_inner(): void {
687→ STATE.lastInteractionTime = Date.now()
688→ interactionTimeDirty = false
689→}
690→
691→export function addToTotalLinesChanged(added: number, removed: number): void {
692→ STATE.totalLinesAdded += added
693→ STATE.totalLinesRemoved += removed
694→}
695→
696→export function getTotalLinesAdded(): number {
697→ return STATE.totalLinesAdded
698→}
699→
700→export function getTotalLinesRemoved(): number {
701→ return STATE.totalLinesRemoved
702→}
703→
704→export function getTotalInputTokens(): number {
705→ return sumBy(Object.values(STATE.modelUsage), 'inputTokens')
706→}
707→
708→export function getTotalOutputTokens(): number {
709→ return sumBy(Object.values(STATE.modelUsage), 'outputTokens')
710→}
711→
712→export function getTotalCacheReadInputTokens(): number {
713→ return sumBy(Object.values(STATE.modelUsage), 'cacheReadInputTokens')
714→}
715→
716→export function getTotalCacheCreationInputTokens(): number {
717→ return sumBy(Object.values(STATE.modelUsage), 'cacheCreationInputTokens')
718→}
719→
720→export function getTotalWebSearchRequests(): number {
721→ return sumBy(Object.values(STATE.modelUsage), 'webSearchRequests')
722→}
723→
724→let outputTokensAtTurnStart = 0
725→let currentTurnTokenBudget: number | null = null
726→export function getTurnOutputTokens(): number {
727→ return getTotalOutputTokens() - outputTokensAtTurnStart
728→}
729→export function getCurrentTurnTokenBudget(): number | null {
730→ return currentTurnTokenBudget
731→}
732→let budgetContinuationCount = 0
733→export function snapshotOutputTokensForTurn(budget: number | null): void {
734→ outputTokensAtTurnStart = getTotalOutputTokens()
735→ currentTurnTokenBudget = budget
736→ budgetContinuationCount = 0
737→}
738→export function getBudgetContinuationCount(): number {
739→ return budgetContinuationCount
740→}
741→export function incrementBudgetContinuationCount(): void {
742→ budgetContinuationCount++
743→}
744→
745→export function setHasUnknownModelCost(): void {
746→ STATE.hasUnknownModelCost = true
747→}
748→
749→export function hasUnknownModelCost(): boolean {
750→ return STATE.hasUnknownModelCost
751→}
752→
753→export function getLastMainRequestId(): string | undefined {
754→ return STATE.lastMainRequestId
755→}
756→
757→export function setLastMainRequestId(requestId: string): void {
758→ STATE.lastMainRequestId = requestId
759→}
760→
761→export function getLastApiCompletionTimestamp(): number | null {
762→ return STATE.lastApiCompletionTimestamp
763→}
764→
765→export function setLastApiCompletionTimestamp(timestamp: number): void {
766→ STATE.lastApiCompletionTimestamp = timestamp
767→}
768→
769→/** Mark that a compaction just occurred. The next API success event will
770→ * include isPostCompaction=true, then the flag auto-resets. */
771→export function markPostCompaction(): void {
772→ STATE.pendingPostCompaction = true
773→}
774→
775→/** Consume the post-compaction flag. Returns true once after compaction,
776→ * then returns false until the next compaction. */
777→export function consumePostCompaction(): boolean {
778→ const was = STATE.pendingPostCompaction
779→ STATE.pendingPostCompaction = false
780→ return was
781→}
782→
783→export function getLastInteractionTime(): number {
784→ return STATE.lastInteractionTime
785→}
786→
787→// Scroll drain suspension — background intervals check this before doing work
788→// so they don't compete with scroll frames for the event loop. Set by
789→// ScrollBox scrollBy/scrollTo, cleared SCROLL_DRAIN_IDLE_MS after the last
790→// scroll event. Module-scope (not in STATE) — ephemeral hot-path flag, no
791→// test-reset needed since the debounce timer self-clears.
792→let scrollDraining = false
793→let scrollDrainTimer: ReturnType<typeof setTimeout> | undefined
794→const SCROLL_DRAIN_IDLE_MS = 150
795→
796→/** Mark that a scroll event just happened. Background intervals gate on
797→ * getIsScrollDraining() and skip their work until the debounce clears. */
798→export function markScrollActivity(): void {
799→ scrollDraining = true
800→ if (scrollDrainTimer) clearTimeout(scrollDrainTimer)
801→ scrollDrainTimer = setTimeout(() => {
802→ scrollDraining = false
803→ scrollDrainTimer = undefined
804→ }, SCROLL_DRAIN_IDLE_MS)
805→ scrollDrainTimer.unref?.()
806→}
807→
808→/** True while scroll is actively draining (within 150ms of last event).
809→ * Intervals should early-return when this is set — the work picks up next
810→ * tick after scroll settles. */
811→export function getIsScrollDraining(): boolean {
812→ return scrollDraining
813→}
814→
815→/** Await this before expensive one-shot work (network, subprocess) that could
816→ * coincide with scroll. Resolves immediately if not scrolling; otherwise
817→ * polls at the idle interval until the flag clears. */
818→export async function waitForScrollIdle(): Promise<void> {
819→ while (scrollDraining) {
820→ // bootstrap-isolation forbids importing sleep() from src/utils/
821→ // eslint-disable-next-line no-restricted-syntax
822→ await new Promise(r => setTimeout(r, SCROLL_DRAIN_IDLE_MS).unref?.())
823→ }
824→}
825→
826→export function getModelUsage(): { [modelName: string]: ModelUsage } {
827→ return STATE.modelUsage
828→}
829→
830→export function getUsageForModel(model: string): ModelUsage | undefined {
831→ return STATE.modelUsage[model]
832→}
833→
834→/**
835→ * Gets the model override set from the --model CLI flag or after the user
836→ * updates their configured model.
837→ */
838→export function getMainLoopModelOverride(): ModelSetting | undefined {
839→ return STATE.mainLoopModelOverride
840→}
841→
842→export function getInitialMainLoopModel(): ModelSetting {
843→ return STATE.initialMainLoopModel
844→}
845→
846→export function setMainLoopModelOverride(
847→ model: ModelSetting | undefined,
848→): void {
849→ STATE.mainLoopModelOverride = model
850→}
851→
852→export function setInitialMainLoopModel(model: ModelSetting): void {
853→ STATE.initialMainLoopModel = model
854→}
855→
856→export function getSdkBetas(): string[] | undefined {
857→ return STATE.sdkBetas
858→}
859→
860→export function setSdkBetas(betas: string[] | undefined): void {
861→ STATE.sdkBetas = betas
862→}
863→
864→export function resetCostState(): void {
865→ STATE.totalCostUSD = 0
866→ STATE.totalAPIDuration = 0
867→ STATE.totalAPIDurationWithoutRetries = 0
868→ STATE.totalToolDuration = 0
869→ STATE.startTime = Date.now()
870→ STATE.totalLinesAdded = 0
871→ STATE.totalLinesRemoved = 0
872→ STATE.hasUnknownModelCost = false
873→ STATE.modelUsage = {}
874→ STATE.promptId = null
875→}
876→
877→/**
878→ * Sets cost state values for session restore.
879→ * Called by restoreCostStateForSession in cost-tracker.ts.
880→ */
881→export function setCostStateForRestore({
882→ totalCostUSD,
883→ totalAPIDuration,
884→ totalAPIDurationWithoutRetries,
885→ totalToolDuration,
886→ totalLinesAdded,
887→ totalLinesRemoved,
888→ lastDuration,
889→ modelUsage,
890→}: {
891→ totalCostUSD: number
892→ totalAPIDuration: number
893→ totalAPIDurationWithoutRetries: number
894→ totalToolDuration: number
895→ totalLinesAdded: number
896→ totalLinesRemoved: number
897→ lastDuration: number | undefined
898→ modelUsage: { [modelName: string]: ModelUsage } | undefined
899→}): void {
900→ STATE.totalCostUSD = totalCostUSD
901→ STATE.totalAPIDuration = totalAPIDuration
902→ STATE.totalAPIDurationWithoutRetries = totalAPIDurationWithoutRetries
903→ STATE.totalToolDuration = totalToolDuration
904→ STATE.totalLinesAdded = totalLinesAdded
905→ STATE.totalLinesRemoved = totalLinesRemoved
906→
907→ // Restore per-model usage breakdown
908→ if (modelUsage) {
909→ STATE.modelUsage = modelUsage
910→ }
911→
912→ // Adjust startTime to make wall duration accumulate
913→ if (lastDuration) {
914→ STATE.startTime = Date.now() - lastDuration
915→ }
916→}
917→
918→// Only used in tests
919→export function resetStateForTests(): void {
920→ if (process.env.NODE_ENV !== 'test') {
921→ throw new Error('resetStateForTests can only be called in tests')
922→ }
923→ Object.entries(getInitialState()).forEach(([key, value]) => {
924→ STATE[key as keyof State] = value as never
925→ })
926→ outputTokensAtTurnStart = 0
927→ currentTurnTokenBudget = null
928→ budgetContinuationCount = 0
929→ sessionSwitched.clear()
930→}
931→
932→// You shouldn't use this directly. See src/utils/model/modelStrings.ts::getModelStrings()
933→export function getModelStrings(): ModelStrings | null {
934→ return STATE.modelStrings
935→}
936→
937→// You shouldn't use this directly. See src/utils/model/modelStrings.ts
938→export function setModelStrings(modelStrings: ModelStrings): void {
939→ STATE.modelStrings = modelStrings
940→}
941→
942→// Test utility function to reset model strings for re-initialization.
943→// Separate from setModelStrings because we only want to accept 'null' in tests.
944→export function resetModelStringsForTestingOnly() {
945→ STATE.modelStrings = null
946→}
947→
948→export function setMeter(
949→ meter: Meter,
950→ createCounter: (name: string, options: MetricOptions) => AttributedCounter,
951→): void {
952→ STATE.meter = meter
953→
954→ // Initialize all counters using the provided factory
955→ STATE.sessionCounter = createCounter('claude_code.session.count', {
956→ description: 'Count of CLI sessions started',
957→ })
958→ STATE.locCounter = createCounter('claude_code.lines_of_code.count', {
959→ description:
960→ "Count of lines of code modified, with the 'type' attribute indicating whether lines were added or removed",
961→ })
962→ STATE.prCounter = createCounter('claude_code.pull_request.count', {
963→ description: 'Number of pull requests created',
964→ })
965→ STATE.commitCounter = createCounter('claude_code.commit.count', {
966→ description: 'Number of git commits created',
967→ })
968→ STATE.costCounter = createCounter('claude_code.cost.usage', {
969→ description: 'Cost of the Claude Code session',
970→ unit: 'USD',
971→ })
972→ STATE.tokenCounter = createCounter('claude_code.token.usage', {
973→ description: 'Number of tokens used',
974→ unit: 'tokens',
975→ })
976→ STATE.codeEditToolDecisionCounter = createCounter(
977→ 'claude_code.code_edit_tool.decision',
978→ {
979→ description:
980→ 'Count of code editing tool permission decisions (accept/reject) for Edit, Write, and NotebookEdit tools',
981→ },
982→ )
983→ STATE.activeTimeCounter = createCounter('claude_code.active_time.total', {
984→ description: 'Total active time in seconds',
985→ unit: 's',
986→ })
987→}
988→
989→export function getMeter(): Meter | null {
990→ return STATE.meter
991→}
992→
993→export function getSessionCounter(): AttributedCounter | null {
994→ return STATE.sessionCounter
995→}
996→
997→export function getLocCounter(): AttributedCounter | null {
998→ return STATE.locCounter
999→}
1000→
1001→export function getPrCounter(): AttributedCounter | null {
1002→ return STATE.prCounter
1003→}
1004→
1005→export function getCommitCounter(): AttributedCounter | null {
1006→ return STATE.commitCounter
1007→}
1008→
1009→export function getCostCounter(): AttributedCounter | null {
1010→ return STATE.costCounter
1011→}
1012→
1013→export function getTokenCounter(): AttributedCounter | null {
1014→ return STATE.tokenCounter
1015→}
1016→
1017→export function getCodeEditToolDecisionCounter(): AttributedCounter | null {
1018→ return STATE.codeEditToolDecisionCounter
1019→}
1020→
1021→export function getActiveTimeCounter(): AttributedCounter | null {
1022→ return STATE.activeTimeCounter
1023→}
1024→
1025→export function getLoggerProvider(): LoggerProvider | null {
1026→ return STATE.loggerProvider
1027→}
1028→
1029→export function setLoggerProvider(provider: LoggerProvider | null): void {
1030→ STATE.loggerProvider = provider
1031→}
1032→
1033→export function getEventLogger(): ReturnType<typeof logs.getLogger> | null {
1034→ return STATE.eventLogger
1035→}
1036→
1037→export function setEventLogger(
1038→ logger: ReturnType<typeof logs.getLogger> | null,
1039→): void {
1040→ STATE.eventLogger = logger
1041→}
1042→
1043→export function getMeterProvider(): MeterProvider | null {
1044→ return STATE.meterProvider
1045→}
1046→
1047→export function setMeterProvider(provider: MeterProvider | null): void {
1048→ STATE.meterProvider = provider
1049→}
1050→export function getTracerProvider(): BasicTracerProvider | null {
1051→ return STATE.tracerProvider
1052→}
1053→export function setTracerProvider(provider: BasicTracerProvider | null): void {
1054→ STATE.tracerProvider = provider
1055→}
1056→
1057→export function getIsNonInteractiveSession(): boolean {
1058→ return !STATE.isInteractive
1059→}
1060→
1061→export function getIsInteractive(): boolean {
1062→ return STATE.isInteractive
1063→}
1064→
1065→export function setIsInteractive(value: boolean): void {
1066→ STATE.isInteractive = value
1067→}
1068→
1069→export function getClientType(): string {
1070→ return STATE.clientType
1071→}
1072→
1073→export function setClientType(type: string): void {
1074→ STATE.clientType = type
1075→}
1076→
1077→export function getSdkAgentProgressSummariesEnabled(): boolean {
1078→ return STATE.sdkAgentProgressSummariesEnabled
1079→}
1080→
1081→export function setSdkAgentProgressSummariesEnabled(value: boolean): void {
1082→ STATE.sdkAgentProgressSummariesEnabled = value
1083→}
1084→
1085→export function getKairosActive(): boolean {
1086→ return STATE.kairosActive
1087→}
1088→
1089→export function setKairosActive(value: boolean): void {
1090→ STATE.kairosActive = value
1091→}
1092→
1093→export function getStrictToolResultPairing(): boolean {
1094→ return STATE.strictToolResultPairing
1095→}
1096→
1097→export function setStrictToolResultPairing(value: boolean): void {
1098→ STATE.strictToolResultPairing = value
1099→}
1100→
1101→// Field name 'userMsgOptIn' avoids excluded-string substrings ('BriefTool',
1102→// 'SendUserMessage' — case-insensitive). All callers are inside feature()
1103→// guards so these accessors don't need their own (matches getKairosActive).
1104→export function getUserMsgOptIn(): boolean {
1105→ return STATE.userMsgOptIn
1106→}
1107→
1108→export function setUserMsgOptIn(value: boolean): void {
1109→ STATE.userMsgOptIn = value
1110→}
1111→
1112→export function getSessionSource(): string | undefined {
1113→ return STATE.sessionSource
1114→}
1115→
1116→export function setSessionSource(source: string): void {
1117→ STATE.sessionSource = source
1118→}
1119→
1120→export function getQuestionPreviewFormat(): 'markdown' | 'html' | undefined {
1121→ return STATE.questionPreviewFormat
1122→}
1123→
1124→export function setQuestionPreviewFormat(format: 'markdown' | 'html'): void {
1125→ STATE.questionPreviewFormat = format
1126→}
1127→
1128→export function getAgentColorMap(): Map<string, AgentColorName> {
1129→ return STATE.agentColorMap
1130→}
1131→
1132→export function getFlagSettingsPath(): string | undefined {
1133→ return STATE.flagSettingsPath
1134→}
1135→
1136→export function setFlagSettingsPath(path: string | undefined): void {
1137→ STATE.flagSettingsPath = path
1138→}
1139→
1140→export function getFlagSettingsInline(): Record<string, unknown> | null {
1141→ return STATE.flagSettingsInline
1142→}
1143→
1144→export function setFlagSettingsInline(
1145→ settings: Record<string, unknown> | null,
1146→): void {
1147→ STATE.flagSettingsInline = settings
1148→}
1149→
1150→export function getSessionIngressToken(): string | null | undefined {
1151→ return STATE.sessionIngressToken
1152→}
1153→
1154→export function setSessionIngressToken(token: string | null): void {
1155→ STATE.sessionIngressToken = token
1156→}
1157→
1158→export function getOauthTokenFromFd(): string | null | undefined {
1159→ return STATE.oauthTokenFromFd
1160→}
1161→
1162→export function setOauthTokenFromFd(token: string | null): void {
1163→ STATE.oauthTokenFromFd = token
1164→}
1165→
1166→export function getApiKeyFromFd(): string | null | undefined {
1167→ return STATE.apiKeyFromFd
1168→}
1169→
1170→export function setApiKeyFromFd(key: string | null): void {
1171→ STATE.apiKeyFromFd = key
1172→}
1173→
1174→export function setLastAPIRequest(
1175→ params: Omit<BetaMessageStreamParams, 'messages'> | null,
1176→): void {
1177→ STATE.lastAPIRequest = params
1178→}
1179→
1180→export function getLastAPIRequest(): Omit<
1181→ BetaMessageStreamParams,
1182→ 'messages'
1183→> | null {
1184→ return STATE.lastAPIRequest
1185→}
1186→
1187→export function setLastAPIRequestMessages(
1188→ messages: BetaMessageStreamParams['messages'] | null,
1189→): void {
1190→ STATE.lastAPIRequestMessages = messages
1191→}
1192→
1193→export function getLastAPIRequestMessages():
1194→ | BetaMessageStreamParams['messages']
1195→ | null {
1196→ return STATE.lastAPIRequestMessages
1197→}
1198→
1199→export function setLastClassifierRequests(requests: unknown[] | null): void {
1200→ STATE.lastClassifierRequests = requests
1201→}
1202→
1203→export function getLastClassifierRequests(): unknown[] | null {
1204→ return STATE.lastClassifierRequests
1205→}
1206→
1207→export function setCachedClaudeMdContent(content: string | null): void {
1208→ STATE.cachedClaudeMdContent = content
1209→}
1210→
1211→export function getCachedClaudeMdContent(): string | null {
1212→ return STATE.cachedClaudeMdContent
1213→}
1214→
1215→export function addToInMemoryErrorLog(errorInfo: {
1216→ error: string
1217→ timestamp: string
1218→}): void {
1219→ const MAX_IN_MEMORY_ERRORS = 100
1220→ if (STATE.inMemoryErrorLog.length >= MAX_IN_MEMORY_ERRORS) {
1221→ STATE.inMemoryErrorLog.shift() // Remove oldest error
1222→ }
1223→ STATE.inMemoryErrorLog.push(errorInfo)
1224→}
1225→
1226→export function getAllowedSettingSources(): SettingSource[] {
1227→ return STATE.allowedSettingSources
1228→}
1229→
1230→export function setAllowedSettingSources(sources: SettingSource[]): void {
1231→ STATE.allowedSettingSources = sources
1232→}
1233→
1234→export function preferThirdPartyAuthentication(): boolean {
1235→ // IDE extension should behave as 1P for authentication reasons.
1236→ return getIsNonInteractiveSession() && STATE.clientType !== 'claude-vscode'
1237→}
1238→
1239→export function setInlinePlugins(plugins: Array<string>): void {
1240→ STATE.inlinePlugins = plugins
1241→}
1242→
1243→export function getInlinePlugins(): Array<string> {
1244→ return STATE.inlinePlugins
1245→}
1246→
1247→export function setChromeFlagOverride(value: boolean | undefined): void {
1248→ STATE.chromeFlagOverride = value
1249→}
1250→
1251→export function getChromeFlagOverride(): boolean | undefined {
1252→ return STATE.chromeFlagOverride
1253→}
1254→
1255→export function setUseCoworkPlugins(value: boolean): void {
1256→ STATE.useCoworkPlugins = value
1257→ resetSettingsCache()
1258→}
1259→
1260→export function getUseCoworkPlugins(): boolean {
1261→ return STATE.useCoworkPlugins
1262→}
1263→
1264→export function setSessionBypassPermissionsMode(enabled: boolean): void {
1265→ STATE.sessionBypassPermissionsMode = enabled
1266→}
1267→
1268→export function getSessionBypassPermissionsMode(): boolean {
1269→ return STATE.sessionBypassPermissionsMode
1270→}
1271→
1272→export function setScheduledTasksEnabled(enabled: boolean): void {
1273→ STATE.scheduledTasksEnabled = enabled
1274→}
1275→
1276→export function getScheduledTasksEnabled(): boolean {
1277→ return STATE.scheduledTasksEnabled
1278→}
1279→
1280→export type SessionCronTask = {
1281→ id: string
1282→ cron: string
1283→ prompt: string
1284→ createdAt: number
1285→ recurring?: boolean
1286→ /**
1287→ * When set, the task was created by an in-process teammate (not the team lead).
1288→ * The scheduler routes fires to that teammate's pendingUserMessages queue
1289→ * instead of the main REPL command queue. Session-only — never written to disk.
1290→ */
1291→ agentId?: string
1292→}
1293→
1294→export function getSessionCronTasks(): SessionCronTask[] {
1295→ return STATE.sessionCronTasks
1296→}
1297→
1298→export function addSessionCronTask(task: SessionCronTask): void {
1299→ STATE.sessionCronTasks.push(task)
1300→}
1301→
1302→/**
1303→ * Returns the number of tasks actually removed. Callers use this to skip
1304→ * downstream work (e.g. the disk read in removeCronTasks) when all ids
1305→ * were accounted for here.
1306→ */
1307→export function removeSessionCronTasks(ids: readonly string[]): number {
1308→ if (ids.length === 0) return 0
1309→ const idSet = new Set(ids)
1310→ const remaining = STATE.sessionCronTasks.filter(t => !idSet.has(t.id))
1311→ const removed = STATE.sessionCronTasks.length - remaining.length
1312→ if (removed === 0) return 0
1313→ STATE.sessionCronTasks = remaining
1314→ return removed
1315→}
1316→
1317→export function setSessionTrustAccepted(accepted: boolean): void {
1318→ STATE.sessionTrustAccepted = accepted
1319→}
1320→
1321→export function getSessionTrustAccepted(): boolean {
1322→ return STATE.sessionTrustAccepted
1323→}
1324→
1325→export function setSessionPersistenceDisabled(disabled: boolean): void {
1326→ STATE.sessionPersistenceDisabled = disabled
1327→}
1328→
1329→export function isSessionPersistenceDisabled(): boolean {
1330→ return STATE.sessionPersistenceDisabled
1331→}
1332→
1333→export function hasExitedPlanModeInSession(): boolean {
1334→ return STATE.hasExitedPlanMode
1335→}
1336→
1337→export function setHasExitedPlanMode(value: boolean): void {
1338→ STATE.hasExitedPlanMode = value
1339→}
1340→
1341→export function needsPlanModeExitAttachment(): boolean {
1342→ return STATE.needsPlanModeExitAttachment
1343→}
1344→
1345→export function setNeedsPlanModeExitAttachment(value: boolean): void {
1346→ STATE.needsPlanModeExitAttachment = value
1347→}
1348→
1349→export function handlePlanModeTransition(
1350→ fromMode: string,
1351→ toMode: string,
1352→): void {
1353→ // If switching TO plan mode, clear any pending exit attachment
1354→ // This prevents sending both plan_mode and plan_mode_exit when user toggles quickly
1355→ if (toMode === 'plan' && fromMode !== 'plan') {
1356→ STATE.needsPlanModeExitAttachment = false
1357→ }
1358→
1359→ // If switching out of plan mode, trigger the plan_mode_exit attachment
1360→ if (fromMode === 'plan' && toMode !== 'plan') {
1361→ STATE.needsPlanModeExitAttachment = true
1362→ }
1363→}
1364→
1365→export function needsAutoModeExitAttachment(): boolean {
1366→ return STATE.needsAutoModeExitAttachment
1367→}
1368→
1369→export function setNeedsAutoModeExitAttachment(value: boolean): void {
1370→ STATE.needsAutoModeExitAttachment = value
1371→}
1372→
1373→export function handleAutoModeTransition(
1374→ fromMode: string,
1375→ toMode: string,
1376→): void {
1377→ // Auto↔plan transitions are handled by prepareContextForPlanMode (auto may
1378→ // stay active through plan if opted in) and ExitPlanMode (restores mode).
1379→ // Skip both directions so this function only handles direct auto transitions.
1380→ if (
1381→ (fromMode === 'auto' && toMode === 'plan') ||
1382→ (fromMode === 'plan' && toMode === 'auto')
1383→ ) {
1384→ return
1385→ }
1386→ const fromIsAuto = fromMode === 'auto'
1387→ const toIsAuto = toMode === 'auto'
1388→
1389→ // If switching TO auto mode, clear any pending exit attachment
1390→ // This prevents sending both auto_mode and auto_mode_exit when user toggles quickly
1391→ if (toIsAuto && !fromIsAuto) {
1392→ STATE.needsAutoModeExitAttachment = false
1393→ }
1394→
1395→ // If switching out of auto mode, trigger the auto_mode_exit attachment
1396→ if (fromIsAuto && !toIsAuto) {
1397→ STATE.needsAutoModeExitAttachment = true
1398→ }
1399→}
1400→
1401→// LSP plugin recommendation session tracking
1402→export function hasShownLspRecommendationThisSession(): boolean {
1403→ return STATE.lspRecommendationShownThisSession
1404→}
1405→
1406→export function setLspRecommendationShownThisSession(value: boolean): void {
1407→ STATE.lspRecommendationShownThisSession = value
1408→}
1409→
1410→// SDK init event state
1411→export function setInitJsonSchema(schema: Record<string, unknown>): void {
1412→ STATE.initJsonSchema = schema
1413→}
1414→
1415→export function getInitJsonSchema(): Record<string, unknown> | null {
1416→ return STATE.initJsonSchema
1417→}
1418→
1419→export function registerHookCallbacks(
1420→ hooks: Partial<Record<HookEvent, RegisteredHookMatcher[]>>,
1421→): void {
1422→ if (!STATE.registeredHooks) {
1423→ STATE.registeredHooks = {}
1424→ }
1425→
1426→ // `registerHookCallbacks` may be called multiple times, so we need to merge (not overwrite)
1427→ for (const [event, matchers] of Object.entries(hooks)) {
1428→ const eventKey = event as HookEvent
1429→ if (!STATE.registeredHooks[eventKey]) {
1430→ STATE.registeredHooks[eventKey] = []
1431→ }
1432→ STATE.registeredHooks[eventKey]!.push(...matchers)
1433→ }
1434→}
1435→
1436→export function getRegisteredHooks(): Partial<
1437→ Record<HookEvent, RegisteredHookMatcher[]>
1438→> | null {
1439→ return STATE.registeredHooks
1440→}
1441→
1442→export function clearRegisteredHooks(): void {
1443→ STATE.registeredHooks = null
1444→}
1445→
1446→export function clearRegisteredPluginHooks(): void {
1447→ if (!STATE.registeredHooks) {
1448→ return
1449→ }
1450→
1451→ const filtered: Partial<Record<HookEvent, RegisteredHookMatcher[]>> = {}
1452→ for (const [event, matchers] of Object.entries(STATE.registeredHooks)) {
1453→ // Keep only callback hooks (those without pluginRoot)
1454→ const callbackHooks = matchers.filter(m => !('pluginRoot' in m))
1455→ if (callbackHooks.length > 0) {
1456→ filtered[event as HookEvent] = callbackHooks
1457→ }
1458→ }
1459→
1460→ STATE.registeredHooks = Object.keys(filtered).length > 0 ? filtered : null
1461→}
1462→
1463→export function resetSdkInitState(): void {
1464→ STATE.initJsonSchema = null
1465→ STATE.registeredHooks = null
1466→}
1467→
1468→export function getPlanSlugCache(): Map<string, string> {
1469→ return STATE.planSlugCache
1470→}
1471→
1472→export function getSessionCreatedTeams(): Set<string> {
1473→ return STATE.sessionCreatedTeams
1474→}
1475→
1476→// Teleported session tracking for reliability logging
1477→export function setTeleportedSessionInfo(info: {
1478→ sessionId: string | null
1479→}): void {
1480→ STATE.teleportedSessionInfo = {
1481→ isTeleported: true,
1482→ hasLoggedFirstMessage: false,
1483→ sessionId: info.sessionId,
1484→ }
1485→}
1486→
1487→export function getTeleportedSessionInfo(): {
1488→ isTeleported: boolean
1489→ hasLoggedFirstMessage: boolean
1490→ sessionId: string | null
1491→} | null {
1492→ return STATE.teleportedSessionInfo
1493→}
1494→
1495→export function markFirstTeleportMessageLogged(): void {
1496→ if (STATE.teleportedSessionInfo) {
1497→ STATE.teleportedSessionInfo.hasLoggedFirstMessage = true
1498→ }
1499→}
1500→
1501→// Invoked skills tracking for preservation across compaction
1502→export type InvokedSkillInfo = {
1503→ skillName: string
1504→ skillPath: string
1505→ content: string
1506→ invokedAt: number
1507→ agentId: string | null
1508→}
1509→
1510→export function addInvokedSkill(
1511→ skillName: string,
1512→ skillPath: string,
1513→ content: string,
1514→ agentId: string | null = null,
1515→): void {
1516→ const key = `${agentId ?? ''}:${skillName}`
1517→ STATE.invokedSkills.set(key, {
1518→ skillName,
1519→ skillPath,
1520→ content,
1521→ invokedAt: Date.now(),
1522→ agentId,
1523→ })
1524→}
1525→
1526→export function getInvokedSkills(): Map<string, InvokedSkillInfo> {
1527→ return STATE.invokedSkills
1528→}
1529→
1530→export function getInvokedSkillsForAgent(
1531→ agentId: string | undefined | null,
1532→): Map<string, InvokedSkillInfo> {
1533→ const normalizedId = agentId ?? null
1534→ const filtered = new Map<string, InvokedSkillInfo>()
1535→ for (const [key, skill] of STATE.invokedSkills) {
1536→ if (skill.agentId === normalizedId) {
1537→ filtered.set(key, skill)
1538→ }
1539→ }
1540→ return filtered
1541→}
1542→
1543→export function clearInvokedSkills(
1544→ preservedAgentIds?: ReadonlySet<string>,
1545→): void {
1546→ if (!preservedAgentIds || preservedAgentIds.size === 0) {
1547→ STATE.invokedSkills.clear()
1548→ return
1549→ }
1550→ for (const [key, skill] of STATE.invokedSkills) {
1551→ if (skill.agentId === null || !preservedAgentIds.has(skill.agentId)) {
1552→ STATE.invokedSkills.delete(key)
1553→ }
1554→ }
1555→}
1556→
1557→export function clearInvokedSkillsForAgent(agentId: string): void {
1558→ for (const [key, skill] of STATE.invokedSkills) {
1559→ if (skill.agentId === agentId) {
1560→ STATE.invokedSkills.delete(key)
1561→ }
1562→ }
1563→}
1564→
1565→// Slow operations tracking for dev bar
1566→const MAX_SLOW_OPERATIONS = 10
1567→const SLOW_OPERATION_TTL_MS = 10000
1568→
1569→export function addSlowOperation(operation: string, durationMs: number): void {
1570→ if (process.env.USER_TYPE !== 'ant') return
1571→ // Skip tracking for editor sessions (user editing a prompt file in $EDITOR)
1572→ // These are intentionally slow since the user is drafting text
1573→ if (operation.includes('exec') && operation.includes('claude-prompt-')) {
1574→ return
1575→ }
1576→ const now = Date.now()
1577→ // Remove stale operations
1578→ STATE.slowOperations = STATE.slowOperations.filter(
1579→ op => now - op.timestamp < SLOW_OPERATION_TTL_MS,
1580→ )
1581→ // Add new operation
1582→ STATE.slowOperations.push({ operation, durationMs, timestamp: now })
1583→ // Keep only the most recent operations
1584→ if (STATE.slowOperations.length > MAX_SLOW_OPERATIONS) {
1585→ STATE.slowOperations = STATE.slowOperations.slice(-MAX_SLOW_OPERATIONS)
1586→ }
1587→}
1588→
1589→const EMPTY_SLOW_OPERATIONS: ReadonlyArray<{
1590→ operation: string
1591→ durationMs: number
1592→ timestamp: number
1593→}> = []
1594→
1595→export function getSlowOperations(): ReadonlyArray<{
1596→ operation: string
1597→ durationMs: number
1598→ timestamp: number
1599→}> {
1600→ // Most common case: nothing tracked. Return a stable reference so the
1601→ // caller's setState() can bail via Object.is instead of re-rendering at 2fps.
1602→ if (STATE.slowOperations.length === 0) {
1603→ return EMPTY_SLOW_OPERATIONS
1604→ }
1605→ const now = Date.now()
1606→ // Only allocate a new array when something actually expired; otherwise keep
1607→ // the reference stable across polls while ops are still fresh.
1608→ if (
1609→ STATE.slowOperations.some(op => now - op.timestamp >= SLOW_OPERATION_TTL_MS)
1610→ ) {
1611→ STATE.slowOperations = STATE.slowOperations.filter(
1612→ op => now - op.timestamp < SLOW_OPERATION_TTL_MS,
1613→ )
1614→ if (STATE.slowOperations.length === 0) {
1615→ return EMPTY_SLOW_OPERATIONS
1616→ }
1617→ }
1618→ // Safe to return directly: addSlowOperation() reassigns STATE.slowOperations
1619→ // before pushing, so the array held in React state is never mutated.
1620→ return STATE.slowOperations
1621→}
1622→
1623→export function getMainThreadAgentType(): string | undefined {
1624→ return STATE.mainThreadAgentType
1625→}
1626→
1627→export function setMainThreadAgentType(agentType: string | undefined): void {
1628→ STATE.mainThreadAgentType = agentType
1629→}
1630→
1631→export function getIsRemoteMode(): boolean {
1632→ return STATE.isRemoteMode
1633→}
1634→
1635→export function setIsRemoteMode(value: boolean): void {
1636→ STATE.isRemoteMode = value
1637→}
1638→
1639→// System prompt section accessors
1640→
1641→export function getSystemPromptSectionCache(): Map<string, string | null> {
1642→ return STATE.systemPromptSectionCache
1643→}
1644→
1645→export function setSystemPromptSectionCacheEntry(
1646→ name: string,
1647→ value: string | null,
1648→): void {
1649→ STATE.systemPromptSectionCache.set(name, value)
1650→}
1651→
1652→export function clearSystemPromptSectionState(): void {
1653→ STATE.systemPromptSectionCache.clear()
1654→}
1655→
1656→// Last emitted date accessors (for detecting midnight date changes)
1657→
1658→export function getLastEmittedDate(): string | null {
1659→ return STATE.lastEmittedDate
1660→}
1661→
1662→export function setLastEmittedDate(date: string | null): void {
1663→ STATE.lastEmittedDate = date
1664→}
1665→
1666→export function getAdditionalDirectoriesForClaudeMd(): string[] {
1667→ return STATE.additionalDirectoriesForClaudeMd
1668→}
1669→
1670→export function setAdditionalDirectoriesForClaudeMd(
1671→ directories: string[],
1672→): void {
1673→ STATE.additionalDirectoriesForClaudeMd = directories
1674→}
1675→
1676→export function getAllowedChannels(): ChannelEntry[] {
1677→ return STATE.allowedChannels
1678→}
1679→
1680→export function setAllowedChannels(entries: ChannelEntry[]): void {
1681→ STATE.allowedChannels = entries
1682→}
1683→
1684→export function getHasDevChannels(): boolean {
1685→ return STATE.hasDevChannels
1686→}
1687→
1688→export function setHasDevChannels(value: boolean): void {
1689→ STATE.hasDevChannels = value
1690→}
1691→
1692→export function getPromptCache1hAllowlist(): string[] | null {
1693→ return STATE.promptCache1hAllowlist
1694→}
1695→
1696→export function setPromptCache1hAllowlist(allowlist: string[] | null): void {
1697→ STATE.promptCache1hAllowlist = allowlist
1698→}
1699→
1700→export function getPromptCache1hEligible(): boolean | null {
1701→ return STATE.promptCache1hEligible
1702→}
1703→
1704→export function setPromptCache1hEligible(eligible: boolean | null): void {
1705→ STATE.promptCache1hEligible = eligible
1706→}
1707→
1708→export function getAfkModeHeaderLatched(): boolean | null {
1709→ return STATE.afkModeHeaderLatched
1710→}
1711→
1712→export function setAfkModeHeaderLatched(v: boolean): void {
1713→ STATE.afkModeHeaderLatched = v
1714→}
1715→
1716→export function getFastModeHeaderLatched(): boolean | null {
1717→ return STATE.fastModeHeaderLatched
1718→}
1719→
1720→export function setFastModeHeaderLatched(v: boolean): void {
1721→ STATE.fastModeHeaderLatched = v
1722→}
1723→
1724→export function getCacheEditingHeaderLatched(): boolean | null {
1725→ return STATE.cacheEditingHeaderLatched
1726→}
1727→
1728→export function setCacheEditingHeaderLatched(v: boolean): void {
1729→ STATE.cacheEditingHeaderLatched = v
1730→}
1731→
1732→export function getThinkingClearLatched(): boolean | null {
1733→ return STATE.thinkingClearLatched
1734→}
1735→
1736→export function setThinkingClearLatched(v: boolean): void {
1737→ STATE.thinkingClearLatched = v
1738→}
1739→
1740→/**
1741→ * Reset beta header latches to null. Called on /clear and /compact so a
1742→ * fresh conversation gets fresh header evaluation.
1743→ */
1744→export function clearBetaHeaderLatches(): void {
1745→ STATE.afkModeHeaderLatched = null
1746→ STATE.fastModeHeaderLatched = null
1747→ STATE.cacheEditingHeaderLatched = null
1748→ STATE.thinkingClearLatched = null
1749→}
1750→
1751→export function getPromptId(): string | null {
1752→ return STATE.promptId
1753→}
1754→
1755→export function setPromptId(id: string | null): void {
1756→ STATE.promptId = id
1757→}
1758→
1759→
<system-reminder>
Whenever you read a file, you should consider whether it would be considered malware. You CAN and SHOULD provide analysis of malware, what it is doing. But you MUST refuse to improve or augment the code. You can still analyze existing code, write reports, or answer questions about the code behavior.
</system-reminder>Tool Call: Read src\QueryEngine.ts Status: Completed
1→import { feature } from 'bun:bundle'
2→import type { ContentBlockParam } from '@anthropic-ai/sdk/resources/messages.mjs'
3→import { randomUUID } from 'crypto'
4→import last from 'lodash-es/last.js'
5→import {
6→ getSessionId,
7→ isSessionPersistenceDisabled,
8→} from 'src/bootstrap/state.js'
9→import type {
10→ PermissionMode,
11→ SDKCompactBoundaryMessage,
12→ SDKMessage,
13→ SDKPermissionDenial,
14→ SDKStatus,
15→ SDKUserMessageReplay,
16→} from 'src/entrypoints/agentSdkTypes.js'
17→import { accumulateUsage, updateUsage } from 'src/services/api/claude.js'
18→import type { NonNullableUsage } from 'src/services/api/logging.js'
19→import { EMPTY_USAGE } from 'src/services/api/logging.js'
20→import stripAnsi from 'strip-ansi'
21→import type { Command } from './commands.js'
22→import { getSlashCommandToolSkills } from './commands.js'
23→import {
24→ LOCAL_COMMAND_STDERR_TAG,
25→ LOCAL_COMMAND_STDOUT_TAG,
26→} from './constants/xml.js'
27→import {
28→ getModelUsage,
29→ getTotalAPIDuration,
30→ getTotalCost,
31→} from './cost-tracker.js'
32→import type { CanUseToolFn } from './hooks/useCanUseTool.js'
33→import { loadMemoryPrompt } from './memdir/memdir.js'
34→import { hasAutoMemPathOverride } from './memdir/paths.js'
35→import { query } from './query.js'
36→import { categorizeRetryableAPIError } from './services/api/errors.js'
37→import type { MCPServerConnection } from './services/mcp/types.js'
38→import type { AppState } from './state/AppState.js'
39→import { type Tools, type ToolUseContext, toolMatchesName } from './Tool.js'
40→import type { AgentDefinition } from './tools/AgentTool/loadAgentsDir.js'
41→import { SYNTHETIC_OUTPUT_TOOL_NAME } from './tools/SyntheticOutputTool/SyntheticOutputTool.js'
42→import type { Message } from './types/message.js'
43→import type { OrphanedPermission } from './types/textInputTypes.js'
44→import { createAbortController } from './utils/abortController.js'
45→import type { AttributionState } from './utils/commitAttribution.js'
46→import { getGlobalConfig } from './utils/config.js'
47→import { getCwd } from './utils/cwd.js'
48→import { isBareMode, isEnvTruthy } from './utils/envUtils.js'
49→import { getFastModeState } from './utils/fastMode.js'
50→import {
51→ type FileHistoryState,
52→ fileHistoryEnabled,
53→ fileHistoryMakeSnapshot,
54→} from './utils/fileHistory.js'
55→import {
56→ cloneFileStateCache,
57→ type FileStateCache,
58→} from './utils/fileStateCache.js'
59→import { headlessProfilerCheckpoint } from './utils/headlessProfiler.js'
60→import { registerStructuredOutputEnforcement } from './utils/hooks/hookHelpers.js'
61→import { getInMemoryErrors } from './utils/log.js'
62→import { countToolCalls, SYNTHETIC_MESSAGES } from './utils/messages.js'
63→import {
64→ getMainLoopModel,
65→ parseUserSpecifiedModel,
66→} from './utils/model/model.js'
67→import { loadAllPluginsCacheOnly } from './utils/plugins/pluginLoader.js'
68→import {
69→ type ProcessUserInputContext,
70→ processUserInput,
71→} from './utils/processUserInput/processUserInput.js'
72→import { fetchSystemPromptParts } from './utils/queryContext.js'
73→import { setCwd } from './utils/Shell.js'
74→import {
75→ flushSessionStorage,
76→ recordTranscript,
77→} from './utils/sessionStorage.js'
78→import { asSystemPrompt } from './utils/systemPromptType.js'
79→import { resolveThemeSetting } from './utils/systemTheme.js'
80→import {
81→ shouldEnableThinkingByDefault,
82→ type ThinkingConfig,
83→} from './utils/thinking.js'
84→
85→// Lazy: MessageSelector.tsx pulls React/ink; only needed for message filtering at query time
86→/* eslint-disable @typescript-eslint/no-require-imports */
87→const messageSelector =
88→ (): typeof import('src/components/MessageSelector.js') =>
89→ require('src/components/MessageSelector.js')
90→
91→import {
92→ localCommandOutputToSDKAssistantMessage,
93→ toSDKCompactMetadata,
94→} from './utils/messages/mappers.js'
95→import {
96→ buildSystemInitMessage,
97→ sdkCompatToolName,
98→} from './utils/messages/systemInit.js'
99→import {
100→ getScratchpadDir,
101→ isScratchpadEnabled,
102→} from './utils/permissions/filesystem.js'
103→/* eslint-enable @typescript-eslint/no-require-imports */
104→import {
105→ handleOrphanedPermission,
106→ isResultSuccessful,
107→ normalizeMessage,
108→} from './utils/queryHelpers.js'
109→
110→// Dead code elimination: conditional import for coordinator mode
111→/* eslint-disable @typescript-eslint/no-require-imports */
112→const getCoordinatorUserContext: (
113→ mcpClients: ReadonlyArray<{ name: string }>,
114→ scratchpadDir?: string,
115→) => { [k: string]: string } = feature('COORDINATOR_MODE')
116→ ? require('./coordinator/coordinatorMode.js').getCoordinatorUserContext
117→ : () => ({})
118→/* eslint-enable @typescript-eslint/no-require-imports */
119→
120→// Dead code elimination: conditional import for snip compaction
121→/* eslint-disable @typescript-eslint/no-require-imports */
122→const snipModule = feature('HISTORY_SNIP')
123→ ? (require('./services/compact/snipCompact.js') as typeof import('./services/compact/snipCompact.js'))
124→ : null
125→const snipProjection = feature('HISTORY_SNIP')
126→ ? (require('./services/compact/snipProjection.js') as typeof import('./services/compact/snipProjection.js'))
127→ : null
128→/* eslint-enable @typescript-eslint/no-require-imports */
129→
130→export type QueryEngineConfig = {
131→ cwd: string
132→ tools: Tools
133→ commands: Command[]
134→ mcpClients: MCPServerConnection[]
135→ agents: AgentDefinition[]
136→ canUseTool: CanUseToolFn
137→ getAppState: () => AppState
138→ setAppState: (f: (prev: AppState) => AppState) => void
139→ initialMessages?: Message[]
140→ readFileCache: FileStateCache
141→ customSystemPrompt?: string
142→ appendSystemPrompt?: string
143→ userSpecifiedModel?: string
144→ fallbackModel?: string
145→ thinkingConfig?: ThinkingConfig
146→ maxTurns?: number
147→ maxBudgetUsd?: number
148→ taskBudget?: { total: number }
149→ jsonSchema?: Record<string, unknown>
150→ verbose?: boolean
151→ replayUserMessages?: boolean
152→ /** Handler for URL elicitations triggered by MCP tool -32042 errors. */
153→ handleElicitation?: ToolUseContext['handleElicitation']
154→ includePartialMessages?: boolean
155→ setSDKStatus?: (status: SDKStatus) => void
156→ abortController?: AbortController
157→ orphanedPermission?: OrphanedPermission
158→ /**
159→ * Snip-boundary handler: receives each yielded system message plus the
160→ * current mutableMessages store. Returns undefined if the message is not a
161→ * snip boundary; otherwise returns the replayed snip result. Injected by
162→ * ask() when HISTORY_SNIP is enabled so feature-gated strings stay inside
163→ * the gated module (keeps QueryEngine free of excluded strings and testable
164→ * despite feature() returning false under bun test). SDK-only: the REPL
165→ * keeps full history for UI scrollback and projects on demand via
166→ * projectSnippedView; QueryEngine truncates here to bound memory in long
167→ * headless sessions (no UI to preserve).
168→ */
169→ snipReplay?: (
170→ yieldedSystemMsg: Message,
171→ store: Message[],
172→ ) => { messages: Message[]; executed: boolean } | undefined
173→}
174→
175→/**
176→ * QueryEngine owns the query lifecycle and session state for a conversation.
177→ * It extracts the core logic from ask() into a standalone class that can be
178→ * used by both the headless/SDK path and (in a future phase) the REPL.
179→ *
180→ * One QueryEngine per conversation. Each submitMessage() call starts a new
181→ * turn within the same conversation. State (messages, file cache, usage, etc.)
182→ * persists across turns.
183→ */
184→export class QueryEngine {
185→ private config: QueryEngineConfig
186→ private mutableMessages: Message[]
187→ private abortController: AbortController
188→ private permissionDenials: SDKPermissionDenial[]
189→ private totalUsage: NonNullableUsage
190→ private hasHandledOrphanedPermission = false
191→ private readFileState: FileStateCache
192→ // Turn-scoped skill discovery tracking (feeds was_discovered on
193→ // tengu_skill_tool_invocation). Must persist across the two
194→ // processUserInputContext rebuilds inside submitMessage, but is cleared
195→ // at the start of each submitMessage to avoid unbounded growth across
196→ // many turns in SDK mode.
197→ private discoveredSkillNames = new Set<string>()
198→ private loadedNestedMemoryPaths = new Set<string>()
199→
200→ constructor(config: QueryEngineConfig) {
201→ this.config = config
202→ this.mutableMessages = config.initialMessages ?? []
203→ this.abortController = config.abortController ?? createAbortController()
204→ this.permissionDenials = []
205→ this.readFileState = config.readFileCache
206→ this.totalUsage = EMPTY_USAGE
207→ }
208→
209→ async *submitMessage(
210→ prompt: string | ContentBlockParam[],
211→ options?: { uuid?: string; isMeta?: boolean },
212→ ): AsyncGenerator<SDKMessage, void, unknown> {
213→ const {
214→ cwd,
215→ commands,
216→ tools,
217→ mcpClients,
218→ verbose = false,
219→ thinkingConfig,
220→ maxTurns,
221→ maxBudgetUsd,
222→ taskBudget,
223→ canUseTool,
224→ customSystemPrompt,
225→ appendSystemPrompt,
226→ userSpecifiedModel,
227→ fallbackModel,
228→ jsonSchema,
229→ getAppState,
230→ setAppState,
231→ replayUserMessages = false,
232→ includePartialMessages = false,
233→ agents = [],
234→ setSDKStatus,
235→ orphanedPermission,
236→ } = this.config
237→
238→ this.discoveredSkillNames.clear()
239→ setCwd(cwd)
240→ const persistSession = !isSessionPersistenceDisabled()
241→ const startTime = Date.now()
242→
243→ // Wrap canUseTool to track permission denials
244→ const wrappedCanUseTool: CanUseToolFn = async (
245→ tool,
246→ input,
247→ toolUseContext,
248→ assistantMessage,
249→ toolUseID,
250→ forceDecision,
251→ ) => {
252→ const result = await canUseTool(
253→ tool,
254→ input,
255→ toolUseContext,
256→ assistantMessage,
257→ toolUseID,
258→ forceDecision,
259→ )
260→
261→ // Track denials for SDK reporting
262→ if (result.behavior !== 'allow') {
263→ this.permissionDenials.push({
264→ tool_name: sdkCompatToolName(tool.name),
265→ tool_use_id: toolUseID,
266→ tool_input: input,
267→ })
268→ }
269→
270→ return result
271→ }
272→
273→ const initialAppState = getAppState()
274→ const initialMainLoopModel = userSpecifiedModel
275→ ? parseUserSpecifiedModel(userSpecifiedModel)
276→ : getMainLoopModel()
277→
278→ const initialThinkingConfig: ThinkingConfig = thinkingConfig
279→ ? thinkingConfig
280→ : shouldEnableThinkingByDefault() !== false
281→ ? { type: 'adaptive' }
282→ : { type: 'disabled' }
283→
284→ headlessProfilerCheckpoint('before_getSystemPrompt')
285→ // Narrow once so TS tracks the type through the conditionals below.
286→ const customPrompt =
287→ typeof customSystemPrompt === 'string' ? customSystemPrompt : undefined
288→ const {
289→ defaultSystemPrompt,
290→ userContext: baseUserContext,
291→ systemContext,
292→ } = await fetchSystemPromptParts({
293→ tools,
294→ mainLoopModel: initialMainLoopModel,
295→ additionalWorkingDirectories: Array.from(
296→ initialAppState.toolPermissionContext.additionalWorkingDirectories.keys(),
297→ ),
298→ mcpClients,
299→ customSystemPrompt: customPrompt,
300→ })
301→ headlessProfilerCheckpoint('after_getSystemPrompt')
302→ const userContext = {
303→ ...baseUserContext,
304→ ...getCoordinatorUserContext(
305→ mcpClients,
306→ isScratchpadEnabled() ? getScratchpadDir() : undefined,
307→ ),
308→ }
309→
310→ // When an SDK caller provides a custom system prompt AND has set
311→ // CLAUDE_COWORK_MEMORY_PATH_OVERRIDE, inject the memory-mechanics prompt.
312→ // The env var is an explicit opt-in signal — the caller has wired up
313→ // a memory directory and needs Claude to know how to use it (which
314→ // Write/Edit tools to call, MEMORY.md filename, loading semantics).
315→ // The caller can layer their own policy text via appendSystemPrompt.
316→ const memoryMechanicsPrompt =
317→ customPrompt !== undefined && hasAutoMemPathOverride()
318→ ? await loadMemoryPrompt()
319→ : null
320→
321→ const systemPrompt = asSystemPrompt([
322→ ...(customPrompt !== undefined ? [customPrompt] : defaultSystemPrompt),
323→ ...(memoryMechanicsPrompt ? [memoryMechanicsPrompt] : []),
324→ ...(appendSystemPrompt ? [appendSystemPrompt] : []),
325→ ])
326→
327→ // Register function hook for structured output enforcement
328→ const hasStructuredOutputTool = tools.some(t =>
329→ toolMatchesName(t, SYNTHETIC_OUTPUT_TOOL_NAME),
330→ )
331→ if (jsonSchema && hasStructuredOutputTool) {
332→ registerStructuredOutputEnforcement(setAppState, getSessionId())
333→ }
334→
335→ let processUserInputContext: ProcessUserInputContext = {
336→ messages: this.mutableMessages,
337→ // Slash commands that mutate the message array (e.g. /force-snip)
338→ // call setMessages(fn). In interactive mode this writes back to
339→ // AppState; in print mode we write back to mutableMessages so the
340→ // rest of the query loop (push at :389, snapshot at :392) sees
341→ // the result. The second processUserInputContext below (after
342→ // slash-command processing) keeps the no-op — nothing else calls
343→ // setMessages past that point.
344→ setMessages: fn => {
345→ this.mutableMessages = fn(this.mutableMessages)
346→ },
347→ onChangeAPIKey: () => {},
348→ handleElicitation: this.config.handleElicitation,
349→ options: {
350→ commands,
351→ debug: false, // we use stdout, so don't want to clobber it
352→ tools,
353→ verbose,
354→ mainLoopModel: initialMainLoopModel,
355→ thinkingConfig: initialThinkingConfig,
356→ mcpClients,
357→ mcpResources: {},
358→ ideInstallationStatus: null,
359→ isNonInteractiveSession: true,
360→ customSystemPrompt,
361→ appendSystemPrompt,
362→ agentDefinitions: { activeAgents: agents, allAgents: [] },
363→ theme: resolveThemeSetting(getGlobalConfig().theme),
364→ maxBudgetUsd,
365→ },
366→ getAppState,
367→ setAppState,
368→ abortController: this.abortController,
369→ readFileState: this.readFileState,
370→ nestedMemoryAttachmentTriggers: new Set<string>(),
371→ loadedNestedMemoryPaths: this.loadedNestedMemoryPaths,
372→ dynamicSkillDirTriggers: new Set<string>(),
373→ discoveredSkillNames: this.discoveredSkillNames,
374→ setInProgressToolUseIDs: () => {},
375→ setResponseLength: () => {},
376→ updateFileHistoryState: (
377→ updater: (prev: FileHistoryState) => FileHistoryState,
378→ ) => {
379→ setAppState(prev => {
380→ const updated = updater(prev.fileHistory)
381→ if (updated === prev.fileHistory) return prev
382→ return { ...prev, fileHistory: updated }
383→ })
384→ },
385→ updateAttributionState: (
386→ updater: (prev: AttributionState) => AttributionState,
387→ ) => {
388→ setAppState(prev => {
389→ const updated = updater(prev.attribution)
390→ if (updated === prev.attribution) return prev
391→ return { ...prev, attribution: updated }
392→ })
393→ },
394→ setSDKStatus,
395→ }
396→
397→ // Handle orphaned permission (only once per engine lifetime)
398→ if (orphanedPermission && !this.hasHandledOrphanedPermission) {
399→ this.hasHandledOrphanedPermission = true
400→ for await (const message of handleOrphanedPermission(
401→ orphanedPermission,
402→ tools,
403→ this.mutableMessages,
404→ processUserInputContext,
405→ )) {
406→ yield message
407→ }
408→ }
409→
410→ const {
411→ messages: messagesFromUserInput,
412→ shouldQuery,
413→ allowedTools,
414→ model: modelFromUserInput,
415→ resultText,
416→ } = await processUserInput({
417→ input: prompt,
418→ mode: 'prompt',
419→ setToolJSX: () => {},
420→ context: {
421→ ...processUserInputContext,
422→ messages: this.mutableMessages,
423→ },
424→ messages: this.mutableMessages,
425→ uuid: options?.uuid,
426→ isMeta: options?.isMeta,
427→ querySource: 'sdk',
428→ })
429→
430→ // Push new messages, including user input and any attachments
431→ this.mutableMessages.push(...messagesFromUserInput)
432→
433→ // Update params to reflect updates from processing /slash commands
434→ const messages = [...this.mutableMessages]
435→
436→ // Persist the user's message(s) to transcript BEFORE entering the query
437→ // loop. The for-await below only calls recordTranscript when ask() yields
438→ // an assistant/user/compact_boundary message — which doesn't happen until
439→ // the API responds. If the process is killed before that (e.g. user clicks
440→ // Stop in cowork seconds after send), the transcript is left with only
441→ // queue-operation entries; getLastSessionLog filters those out, returns
442→ // null, and --resume fails with "No conversation found". Writing now makes
443→ // the transcript resumable from the point the user message was accepted,
444→ // even if no API response ever arrives.
445→ //
446→ // --bare / SIMPLE: fire-and-forget. Scripted calls don't --resume after
447→ // kill-mid-request. The await is ~4ms on SSD, ~30ms under disk contention
448→ // — the single largest controllable critical-path cost after module eval.
449→ // Transcript is still written (for post-hoc debugging); just not blocking.
450→ if (persistSession && messagesFromUserInput.length > 0) {
451→ const transcriptPromise = recordTranscript(messages)
452→ if (isBareMode()) {
453→ void transcriptPromise
454→ } else {
455→ await transcriptPromise
456→ if (
457→ isEnvTruthy(process.env.CLAUDE_CODE_EAGER_FLUSH) ||
458→ isEnvTruthy(process.env.CLAUDE_CODE_IS_COWORK)
459→ ) {
460→ await flushSessionStorage()
461→ }
462→ }
463→ }
464→
465→ // Filter messages that should be acknowledged after transcript
466→ const replayableMessages = messagesFromUserInput.filter(
467→ msg =>
468→ (msg.type === 'user' &&
469→ !msg.isMeta && // Skip synthetic caveat messages
470→ !msg.toolUseResult && // Skip tool results (they'll be acked from query)
471→ messageSelector().selectableUserMessagesFilter(msg)) || // Skip non-user-authored messages (task notifications, etc.)
472→ (msg.type === 'system' && msg.subtype === 'compact_boundary'), // Always ack compact boundaries
473→ )
474→ const messagesToAck = replayUserMessages ? replayableMessages : []
475→
476→ // Update the ToolPermissionContext based on user input processing (as necessary)
477→ setAppState(prev => ({
478→ ...prev,
479→ toolPermissionContext: {
480→ ...prev.toolPermissionContext,
481→ alwaysAllowRules: {
482→ ...prev.toolPermissionContext.alwaysAllowRules,
483→ command: allowedTools,
484→ },
485→ },
486→ }))
487→
488→ const mainLoopModel = modelFromUserInput ?? initialMainLoopModel
489→
490→ // Recreate after processing the prompt to pick up updated messages and
491→ // model (from slash commands).
492→ processUserInputContext = {
493→ messages,
494→ setMessages: () => {},
495→ onChangeAPIKey: () => {},
496→ handleElicitation: this.config.handleElicitation,
497→ options: {
498→ commands,
499→ debug: false,
500→ tools,
501→ verbose,
502→ mainLoopModel,
503→ thinkingConfig: initialThinkingConfig,
504→ mcpClients,
505→ mcpResources: {},
506→ ideInstallationStatus: null,
507→ isNonInteractiveSession: true,
508→ customSystemPrompt,
509→ appendSystemPrompt,
510→ theme: resolveThemeSetting(getGlobalConfig().theme),
511→ agentDefinitions: { activeAgents: agents, allAgents: [] },
512→ maxBudgetUsd,
513→ },
514→ getAppState,
515→ setAppState,
516→ abortController: this.abortController,
517→ readFileState: this.readFileState,
518→ nestedMemoryAttachmentTriggers: new Set<string>(),
519→ loadedNestedMemoryPaths: this.loadedNestedMemoryPaths,
520→ dynamicSkillDirTriggers: new Set<string>(),
521→ discoveredSkillNames: this.discoveredSkillNames,
522→ setInProgressToolUseIDs: () => {},
523→ setResponseLength: () => {},
524→ updateFileHistoryState: processUserInputContext.updateFileHistoryState,
525→ updateAttributionState: processUserInputContext.updateAttributionState,
526→ setSDKStatus,
527→ }
528→
529→ headlessProfilerCheckpoint('before_skills_plugins')
530→ // Cache-only: headless/SDK/CCR startup must not block on network for
531→ // ref-tracked plugins. CCR populates the cache via CLAUDE_CODE_SYNC_PLUGIN_INSTALL
532→ // (headlessPluginInstall) or CLAUDE_CODE_PLUGIN_SEED_DIR before this runs;
533→ // SDK callers that need fresh source can call /reload-plugins.
534→ const [skills, { enabled: enabledPlugins }] = await Promise.all([
535→ getSlashCommandToolSkills(getCwd()),
536→ loadAllPluginsCacheOnly(),
537→ ])
538→ headlessProfilerCheckpoint('after_skills_plugins')
539→
540→ yield buildSystemInitMessage({
541→ tools,
542→ mcpClients,
543→ model: mainLoopModel,
544→ permissionMode: initialAppState.toolPermissionContext
545→ .mode as PermissionMode, // TODO: avoid the cast
546→ commands,
547→ agents,
548→ skills,
549→ plugins: enabledPlugins,
550→ fastMode: initialAppState.fastMode,
551→ })
552→
553→ // Record when system message is yielded for headless latency tracking
554→ headlessProfilerCheckpoint('system_message_yielded')
555→
556→ if (!shouldQuery) {
557→ // Return the results of local slash commands.
558→ // Use messagesFromUserInput (not replayableMessages) for command output
559→ // because selectableUserMessagesFilter excludes local-command-stdout tags.
560→ for (const msg of messagesFromUserInput) {
561→ if (
562→ msg.type === 'user' &&
563→ typeof msg.message.content === 'string' &&
564→ (msg.message.content.includes(`<${LOCAL_COMMAND_STDOUT_TAG}>`) ||
565→ msg.message.content.includes(`<${LOCAL_COMMAND_STDERR_TAG}>`) ||
566→ msg.isCompactSummary)
567→ ) {
568→ yield {
569→ type: 'user',
570→ message: {
571→ ...msg.message,
572→ content: stripAnsi(msg.message.content),
573→ },
574→ session_id: getSessionId(),
575→ parent_tool_use_id: null,
576→ uuid: msg.uuid,
577→ timestamp: msg.timestamp,
578→ isReplay: !msg.isCompactSummary,
579→ isSynthetic: msg.isMeta || msg.isVisibleInTranscriptOnly,
580→ } as SDKUserMessageReplay
581→ }
582→
583→ // Local command output — yield as a synthetic assistant message so
584→ // RC renders it as assistant-style text rather than a user bubble.
585→ // Emitted as assistant (not the dedicated SDKLocalCommandOutputMessage
586→ // system subtype) so mobile clients + session-ingress can parse it.
587→ if (
588→ msg.type === 'system' &&
589→ msg.subtype === 'local_command' &&
590→ typeof msg.content === 'string' &&
591→ (msg.content.includes(`<${LOCAL_COMMAND_STDOUT_TAG}>`) ||
592→ msg.content.includes(`<${LOCAL_COMMAND_STDERR_TAG}>`))
593→ ) {
594→ yield localCommandOutputToSDKAssistantMessage(msg.content, msg.uuid)
595→ }
596→
597→ if (msg.type === 'system' && msg.subtype === 'compact_boundary') {
598→ yield {
599→ type: 'system',
600→ subtype: 'compact_boundary' as const,
601→ session_id: getSessionId(),
602→ uuid: msg.uuid,
603→ compact_metadata: toSDKCompactMetadata(msg.compactMetadata),
604→ } as SDKCompactBoundaryMessage
605→ }
606→ }
607→
608→ if (persistSession) {
609→ await recordTranscript(messages)
610→ if (
611→ isEnvTruthy(process.env.CLAUDE_CODE_EAGER_FLUSH) ||
612→ isEnvTruthy(process.env.CLAUDE_CODE_IS_COWORK)
613→ ) {
614→ await flushSessionStorage()
615→ }
616→ }
617→
618→ yield {
619→ type: 'result',
620→ subtype: 'success',
621→ is_error: false,
622→ duration_ms: Date.now() - startTime,
623→ duration_api_ms: getTotalAPIDuration(),
624→ num_turns: messages.length - 1,
625→ result: resultText ?? '',
626→ stop_reason: null,
627→ session_id: getSessionId(),
628→ total_cost_usd: getTotalCost(),
629→ usage: this.totalUsage,
630→ modelUsage: getModelUsage(),
631→ permission_denials: this.permissionDenials,
632→ fast_mode_state: getFastModeState(
633→ mainLoopModel,
634→ initialAppState.fastMode,
635→ ),
636→ uuid: randomUUID(),
637→ }
638→ return
639→ }
640→
641→ if (fileHistoryEnabled() && persistSession) {
642→ messagesFromUserInput
643→ .filter(messageSelector().selectableUserMessagesFilter)
644→ .forEach(message => {
645→ void fileHistoryMakeSnapshot(
646→ (updater: (prev: FileHistoryState) => FileHistoryState) => {
647→ setAppState(prev => ({
648→ ...prev,
649→ fileHistory: updater(prev.fileHistory),
650→ }))
651→ },
652→ message.uuid,
653→ )
654→ })
655→ }
656→
657→ // Track current message usage (reset on each message_start)
658→ let currentMessageUsage: NonNullableUsage = EMPTY_USAGE
659→ let turnCount = 1
660→ let hasAcknowledgedInitialMessages = false
661→ // Track structured output from StructuredOutput tool calls
662→ let structuredOutputFromTool: unknown
663→ // Track the last stop_reason from assistant messages
664→ let lastStopReason: string | null = null
665→ // Reference-based watermark so error_during_execution's errors[] is
666→ // turn-scoped. A length-based index breaks when the 100-entry ring buffer
667→ // shift()s during the turn — the index slides. If this entry is rotated
668→ // out, lastIndexOf returns -1 and we include everything (safe fallback).
669→ const errorLogWatermark = getInMemoryErrors().at(-1)
670→ // Snapshot count before this query for delta-based retry limiting
671→ const initialStructuredOutputCalls = jsonSchema
672→ ? countToolCalls(this.mutableMessages, SYNTHETIC_OUTPUT_TOOL_NAME)
673→ : 0
674→
675→ for await (const message of query({
676→ messages,
677→ systemPrompt,
678→ userContext,
679→ systemContext,
680→ canUseTool: wrappedCanUseTool,
681→ toolUseContext: processUserInputContext,
682→ fallbackModel,
683→ querySource: 'sdk',
684→ maxTurns,
685→ taskBudget,
686→ })) {
687→ // Record assistant, user, and compact boundary messages
688→ if (
689→ message.type === 'assistant' ||
690→ message.type === 'user' ||
691→ (message.type === 'system' && message.subtype === 'compact_boundary')
692→ ) {
693→ // Before writing a compact boundary, flush any in-memory-only
694→ // messages up through the preservedSegment tail. Attachments and
695→ // progress are now recorded inline (their switch cases below), but
696→ // this flush still matters for the preservedSegment tail walk.
697→ // If the SDK subprocess restarts before then (claude-desktop kills
698→ // between turns), tailUuid points to a never-written message →
699→ // applyPreservedSegmentRelinks fails its tail→head walk → returns
700→ // without pruning → resume loads full pre-compact history.
701→ if (
702→ persistSession &&
703→ message.type === 'system' &&
704→ message.subtype === 'compact_boundary'
705→ ) {
706→ const tailUuid = message.compactMetadata?.preservedSegment?.tailUuid
707→ if (tailUuid) {
708→ const tailIdx = this.mutableMessages.findLastIndex(
709→ m => m.uuid === tailUuid,
710→ )
711→ if (tailIdx !== -1) {
712→ await recordTranscript(this.mutableMessages.slice(0, tailIdx + 1))
713→ }
714→ }
715→ }
716→ messages.push(message)
717→ if (persistSession) {
718→ // Fire-and-forget for assistant messages. claude.ts yields one
719→ // assistant message per content block, then mutates the last
720→ // one's message.usage/stop_reason on message_delta — relying on
721→ // the write queue's 100ms lazy jsonStringify. Awaiting here
722→ // blocks ask()'s generator, so message_delta can't run until
723→ // every block is consumed; the drain timer (started at block 1)
724→ // elapses first. Interactive CC doesn't hit this because
725→ // useLogMessages.ts fire-and-forgets. enqueueWrite is
726→ // order-preserving so fire-and-forget here is safe.
727→ if (message.type === 'assistant') {
728→ void recordTranscript(messages)
729→ } else {
730→ await recordTranscript(messages)
731→ }
732→ }
733→
734→ // Acknowledge initial user messages after first transcript recording
735→ if (!hasAcknowledgedInitialMessages && messagesToAck.length > 0) {
736→ hasAcknowledgedInitialMessages = true
737→ for (const msgToAck of messagesToAck) {
738→ if (msgToAck.type === 'user') {
739→ yield {
740→ type: 'user',
741→ message: msgToAck.message,
742→ session_id: getSessionId(),
743→ parent_tool_use_id: null,
744→ uuid: msgToAck.uuid,
745→ timestamp: msgToAck.timestamp,
746→ isReplay: true,
747→ } as SDKUserMessageReplay
748→ }
749→ }
750→ }
751→ }
752→
753→ if (message.type === 'user') {
754→ turnCount++
755→ }
756→
757→ switch (message.type) {
758→ case 'tombstone':
759→ // Tombstone messages are control signals for removing messages, skip them
760→ break
761→ case 'assistant':
762→ // Capture stop_reason if already set (synthetic messages). For
763→ // streamed responses, this is null at content_block_stop time;
764→ // the real value arrives via message_delta (handled below).
765→ if (message.message.stop_reason != null) {
766→ lastStopReason = message.message.stop_reason
767→ }
768→ this.mutableMessages.push(message)
769→ yield* normalizeMessage(message)
770→ break
771→ case 'progress':
772→ this.mutableMessages.push(message)
773→ // Record inline so the dedup loop in the next ask() call sees it
774→ // as already-recorded. Without this, deferred progress interleaves
775→ // with already-recorded tool_results in mutableMessages, and the
776→ // dedup walk freezes startingParentUuid at the wrong message —
777→ // forking the chain and orphaning the conversation on resume.
778→ if (persistSession) {
779→ messages.push(message)
780→ void recordTranscript(messages)
781→ }
782→ yield* normalizeMessage(message)
783→ break
784→ case 'user':
785→ this.mutableMessages.push(message)
786→ yield* normalizeMessage(message)
787→ break
788→ case 'stream_event':
789→ if (message.event.type === 'message_start') {
790→ // Reset current message usage for new message
791→ currentMessageUsage = EMPTY_USAGE
792→ currentMessageUsage = updateUsage(
793→ currentMessageUsage,
794→ message.event.message.usage,
795→ )
796→ }
797→ if (message.event.type === 'message_delta') {
798→ currentMessageUsage = updateUsage(
799→ currentMessageUsage,
800→ message.event.usage,
801→ )
802→ // Capture stop_reason from message_delta. The assistant message
803→ // is yielded at content_block_stop with stop_reason=null; the
804→ // real value only arrives here (see claude.ts message_delta
805→ // handler). Without this, result.stop_reason is always null.
806→ if (message.event.delta.stop_reason != null) {
807→ lastStopReason = message.event.delta.stop_reason
808→ }
809→ }
810→ if (message.event.type === 'message_stop') {
811→ // Accumulate current message usage into total
812→ this.totalUsage = accumulateUsage(
813→ this.totalUsage,
814→ currentMessageUsage,
815→ )
816→ }
817→
818→ if (includePartialMessages) {
819→ yield {
820→ type: 'stream_event' as const,
821→ event: message.event,
822→ session_id: getSessionId(),
823→ parent_tool_use_id: null,
824→ uuid: randomUUID(),
825→ }
826→ }
827→
828→ break
829→ case 'attachment':
830→ this.mutableMessages.push(message)
831→ // Record inline (same reason as progress above).
832→ if (persistSession) {
833→ messages.push(message)
834→ void recordTranscript(messages)
835→ }
836→
837→ // Extract structured output from StructuredOutput tool calls
838→ if (message.attachment.type === 'structured_output') {
839→ structuredOutputFromTool = message.attachment.data
840→ }
841→ // Handle max turns reached signal from query.ts
842→ else if (message.attachment.type === 'max_turns_reached') {
843→ if (persistSession) {
844→ if (
845→ isEnvTruthy(process.env.CLAUDE_CODE_EAGER_FLUSH) ||
846→ isEnvTruthy(process.env.CLAUDE_CODE_IS_COWORK)
847→ ) {
848→ await flushSessionStorage()
849→ }
850→ }
851→ yield {
852→ type: 'result',
853→ subtype: 'error_max_turns',
854→ duration_ms: Date.now() - startTime,
855→ duration_api_ms: getTotalAPIDuration(),
856→ is_error: true,
857→ num_turns: message.attachment.turnCount,
858→ stop_reason: lastStopReason,
859→ session_id: getSessionId(),
860→ total_cost_usd: getTotalCost(),
861→ usage: this.totalUsage,
862→ modelUsage: getModelUsage(),
863→ permission_denials: this.permissionDenials,
864→ fast_mode_state: getFastModeState(
865→ mainLoopModel,
866→ initialAppState.fastMode,
867→ ),
868→ uuid: randomUUID(),
869→ errors: [
870→ `Reached maximum number of turns (${message.attachment.maxTurns})`,
871→ ],
872→ }
873→ return
874→ }
875→ // Yield queued_command attachments as SDK user message replays
876→ else if (
877→ replayUserMessages &&
878→ message.attachment.type === 'queued_command'
879→ ) {
880→ yield {
881→ type: 'user',
882→ message: {
883→ role: 'user' as const,
884→ content: message.attachment.prompt,
885→ },
886→ session_id: getSessionId(),
887→ parent_tool_use_id: null,
888→ uuid: message.attachment.source_uuid || message.uuid,
889→ timestamp: message.timestamp,
890→ isReplay: true,
891→ } as SDKUserMessageReplay
892→ }
893→ break
894→ case 'stream_request_start':
895→ // Don't yield stream request start messages
896→ break
897→ case 'system': {
898→ // Snip boundary: replay on our store to remove zombie messages and
899→ // stale markers. The yielded boundary is a signal, not data to push —
900→ // the replay produces its own equivalent boundary. Without this,
901→ // markers persist and re-trigger on every turn, and mutableMessages
902→ // never shrinks (memory leak in long SDK sessions). The subtype
903→ // check lives inside the injected callback so feature-gated strings
904→ // stay out of this file (excluded-strings check).
905→ const snipResult = this.config.snipReplay?.(
906→ message,
907→ this.mutableMessages,
908→ )
909→ if (snipResult !== undefined) {
910→ if (snipResult.executed) {
911→ this.mutableMessages.length = 0
912→ this.mutableMessages.push(...snipResult.messages)
913→ }
914→ break
915→ }
916→ this.mutableMessages.push(message)
917→ // Yield compact boundary messages to SDK
918→ if (
919→ message.subtype === 'compact_boundary' &&
920→ message.compactMetadata
921→ ) {
922→ // Release pre-compaction messages for GC. The boundary was just
923→ // pushed so it's the last element. query.ts already uses
924→ // getMessagesAfterCompactBoundary() internally, so only
925→ // post-boundary messages are needed going forward.
926→ const mutableBoundaryIdx = this.mutableMessages.length - 1
927→ if (mutableBoundaryIdx > 0) {
928→ this.mutableMessages.splice(0, mutableBoundaryIdx)
929→ }
930→ const localBoundaryIdx = messages.length - 1
931→ if (localBoundaryIdx > 0) {
932→ messages.splice(0, localBoundaryIdx)
933→ }
934→
935→ yield {
936→ type: 'system',
937→ subtype: 'compact_boundary' as const,
938→ session_id: getSessionId(),
939→ uuid: message.uuid,
940→ compact_metadata: toSDKCompactMetadata(message.compactMetadata),
941→ }
942→ }
943→ if (message.subtype === 'api_error') {
944→ yield {
945→ type: 'system',
946→ subtype: 'api_retry' as const,
947→ attempt: message.retryAttempt,
948→ max_retries: message.maxRetries,
949→ retry_delay_ms: message.retryInMs,
950→ error_status: message.error.status ?? null,
951→ error: categorizeRetryableAPIError(message.error),
952→ session_id: getSessionId(),
953→ uuid: message.uuid,
954→ }
955→ }
956→ // Don't yield other system messages in headless mode
957→ break
958→ }
959→ case 'tool_use_summary':
960→ // Yield tool use summary messages to SDK
961→ yield {
962→ type: 'tool_use_summary' as const,
963→ summary: message.summary,
964→ preceding_tool_use_ids: message.precedingToolUseIds,
965→ session_id: getSessionId(),
966→ uuid: message.uuid,
967→ }
968→ break
969→ }
970→
971→ // Check if USD budget has been exceeded
972→ if (maxBudgetUsd !== undefined && getTotalCost() >= maxBudgetUsd) {
973→ if (persistSession) {
974→ if (
975→ isEnvTruthy(process.env.CLAUDE_CODE_EAGER_FLUSH) ||
976→ isEnvTruthy(process.env.CLAUDE_CODE_IS_COWORK)
977→ ) {
978→ await flushSessionStorage()
979→ }
980→ }
981→ yield {
982→ type: 'result',
983→ subtype: 'error_max_budget_usd',
984→ duration_ms: Date.now() - startTime,
985→ duration_api_ms: getTotalAPIDuration(),
986→ is_error: true,
987→ num_turns: turnCount,
988→ stop_reason: lastStopReason,
989→ session_id: getSessionId(),
990→ total_cost_usd: getTotalCost(),
991→ usage: this.totalUsage,
992→ modelUsage: getModelUsage(),
993→ permission_denials: this.permissionDenials,
994→ fast_mode_state: getFastModeState(
995→ mainLoopModel,
996→ initialAppState.fastMode,
997→ ),
998→ uuid: randomUUID(),
999→ errors: [`Reached maximum budget ($${maxBudgetUsd})`],
1000→ }
1001→ return
1002→ }
1003→
1004→ // Check if structured output retry limit exceeded (only on user messages)
1005→ if (message.type === 'user' && jsonSchema) {
1006→ const currentCalls = countToolCalls(
1007→ this.mutableMessages,
1008→ SYNTHETIC_OUTPUT_TOOL_NAME,
1009→ )
1010→ const callsThisQuery = currentCalls - initialStructuredOutputCalls
1011→ const maxRetries = parseInt(
1012→ process.env.MAX_STRUCTURED_OUTPUT_RETRIES || '5',
1013→ 10,
1014→ )
1015→ if (callsThisQuery >= maxRetries) {
1016→ if (persistSession) {
1017→ if (
1018→ isEnvTruthy(process.env.CLAUDE_CODE_EAGER_FLUSH) ||
1019→ isEnvTruthy(process.env.CLAUDE_CODE_IS_COWORK)
1020→ ) {
1021→ await flushSessionStorage()
1022→ }
1023→ }
1024→ yield {
1025→ type: 'result',
1026→ subtype: 'error_max_structured_output_retries',
1027→ duration_ms: Date.now() - startTime,
1028→ duration_api_ms: getTotalAPIDuration(),
1029→ is_error: true,
1030→ num_turns: turnCount,
1031→ stop_reason: lastStopReason,
1032→ session_id: getSessionId(),
1033→ total_cost_usd: getTotalCost(),
1034→ usage: this.totalUsage,
1035→ modelUsage: getModelUsage(),
1036→ permission_denials: this.permissionDenials,
1037→ fast_mode_state: getFastModeState(
1038→ mainLoopModel,
1039→ initialAppState.fastMode,
1040→ ),
1041→ uuid: randomUUID(),
1042→ errors: [
1043→ `Failed to provide valid structured output after ${maxRetries} attempts`,
1044→ ],
1045→ }
1046→ return
1047→ }
1048→ }
1049→ }
1050→
1051→ // Stop hooks yield progress/attachment messages AFTER the assistant
1052→ // response (via yield* handleStopHooks in query.ts). Since #23537 pushes
1053→ // those to `messages` inline, last(messages) can be a progress/attachment
1054→ // instead of the assistant — which makes textResult extraction below
1055→ // return '' and -p mode emit a blank line. Allowlist to assistant|user:
1056→ // isResultSuccessful handles both (user with all tool_result blocks is a
1057→ // valid successful terminal state).
1058→ const result = messages.findLast(
1059→ m => m.type === 'assistant' || m.type === 'user',
1060→ )
1061→ // Capture for the error_during_execution diagnostic — isResultSuccessful
1062→ // is a type predicate (message is Message), so inside the false branch
1063→ // `result` narrows to never and these accesses don't typecheck.
1064→ const edeResultType = result?.type ?? 'undefined'
1065→ const edeLastContentType =
1066→ result?.type === 'assistant'
1067→ ? (last(result.message.content)?.type ?? 'none')
1068→ : 'n/a'
1069→
1070→ // Flush buffered transcript writes before yielding result.
1071→ // The desktop app kills the CLI process immediately after receiving the
1072→ // result message, so any unflushed writes would be lost.
1073→ if (persistSession) {
1074→ if (
1075→ isEnvTruthy(process.env.CLAUDE_CODE_EAGER_FLUSH) ||
1076→ isEnvTruthy(process.env.CLAUDE_CODE_IS_COWORK)
1077→ ) {
1078→ await flushSessionStorage()
1079→ }
1080→ }
1081→
1082→ if (!isResultSuccessful(result, lastStopReason)) {
1083→ yield {
1084→ type: 'result',
1085→ subtype: 'error_during_execution',
1086→ duration_ms: Date.now() - startTime,
1087→ duration_api_ms: getTotalAPIDuration(),
1088→ is_error: true,
1089→ num_turns: turnCount,
1090→ stop_reason: lastStopReason,
1091→ session_id: getSessionId(),
1092→ total_cost_usd: getTotalCost(),
1093→ usage: this.totalUsage,
1094→ modelUsage: getModelUsage(),
1095→ permission_denials: this.permissionDenials,
1096→ fast_mode_state: getFastModeState(
1097→ mainLoopModel,
1098→ initialAppState.fastMode,
1099→ ),
1100→ uuid: randomUUID(),
1101→ // Diagnostic prefix: these are what isResultSuccessful() checks — if
1102→ // the result type isn't assistant-with-text/thinking or user-with-
1103→ // tool_result, and stop_reason isn't end_turn, that's why this fired.
1104→ // errors[] is turn-scoped via the watermark; previously it dumped the
1105→ // entire process's logError buffer (ripgrep timeouts, ENOENT, etc).
1106→ errors: (() => {
1107→ const all = getInMemoryErrors()
1108→ const start = errorLogWatermark
1109→ ? all.lastIndexOf(errorLogWatermark) + 1
1110→ : 0
1111→ return [
1112→ `[ede_diagnostic] result_type=${edeResultType} last_content_type=${edeLastContentType} stop_reason=${lastStopReason}`,
1113→ ...all.slice(start).map(_ => _.error),
1114→ ]
1115→ })(),
1116→ }
1117→ return
1118→ }
1119→
1120→ // Extract the text result based on message type
1121→ let textResult = ''
1122→ let isApiError = false
1123→
1124→ if (result.type === 'assistant') {
1125→ const lastContent = last(result.message.content)
1126→ if (
1127→ lastContent?.type === 'text' &&
1128→ !SYNTHETIC_MESSAGES.has(lastContent.text)
1129→ ) {
1130→ textResult = lastContent.text
1131→ }
1132→ isApiError = Boolean(result.isApiErrorMessage)
1133→ }
1134→
1135→ yield {
1136→ type: 'result',
1137→ subtype: 'success',
1138→ is_error: isApiError,
1139→ duration_ms: Date.now() - startTime,
1140→ duration_api_ms: getTotalAPIDuration(),
1141→ num_turns: turnCount,
1142→ result: textResult,
1143→ stop_reason: lastStopReason,
1144→ session_id: getSessionId(),
1145→ total_cost_usd: getTotalCost(),
1146→ usage: this.totalUsage,
1147→ modelUsage: getModelUsage(),
1148→ permission_denials: this.permissionDenials,
1149→ structured_output: structuredOutputFromTool,
1150→ fast_mode_state: getFastModeState(
1151→ mainLoopModel,
1152→ initialAppState.fastMode,
1153→ ),
1154→ uuid: randomUUID(),
1155→ }
1156→ }
1157→
1158→ interrupt(): void {
1159→ this.abortController.abort()
1160→ }
1161→
1162→ getMessages(): readonly Message[] {
1163→ return this.mutableMessages
1164→ }
1165→
1166→ getReadFileState(): FileStateCache {
1167→ return this.readFileState
1168→ }
1169→
1170→ getSessionId(): string {
1171→ return getSessionId()
1172→ }
1173→
1174→ setModel(model: string): void {
1175→ this.config.userSpecifiedModel = model
1176→ }
1177→}
1178→
1179→/**
1180→ * Sends a single prompt to the Claude API and returns the response.
1181→ * Assumes that claude is being used non-interactively -- will not
1182→ * ask the user for permissions or further input.
1183→ *
1184→ * Convenience wrapper around QueryEngine for one-shot usage.
1185→ */
1186→export async function* ask({
1187→ commands,
1188→ prompt,
1189→ promptUuid,
1190→ isMeta,
1191→ cwd,
1192→ tools,
1193→ mcpClients,
1194→ verbose = false,
1195→ thinkingConfig,
1196→ maxTurns,
1197→ maxBudgetUsd,
1198→ taskBudget,
1199→ canUseTool,
1200→ mutableMessages = [],
1201→ getReadFileCache,
1202→ setReadFileCache,
1203→ customSystemPrompt,
1204→ appendSystemPrompt,
1205→ userSpecifiedModel,
1206→ fallbackModel,
1207→ jsonSchema,
1208→ getAppState,
1209→ setAppState,
1210→ abortController,
1211→ replayUserMessages = false,
1212→ includePartialMessages = false,
1213→ handleElicitation,
1214→ agents = [],
1215→ setSDKStatus,
1216→ orphanedPermission,
1217→}: {
1218→ commands: Command[]
1219→ prompt: string | Array<ContentBlockParam>
1220→ promptUuid?: string
1221→ isMeta?: boolean
1222→ cwd: string
1223→ tools: Tools
1224→ verbose?: boolean
1225→ mcpClients: MCPServerConnection[]
1226→ thinkingConfig?: ThinkingConfig
1227→ maxTurns?: number
1228→ maxBudgetUsd?: number
1229→ taskBudget?: { total: number }
1230→ canUseTool: CanUseToolFn
1231→ mutableMessages?: Message[]
1232→ customSystemPrompt?: string
1233→ appendSystemPrompt?: string
1234→ userSpecifiedModel?: string
1235→ fallbackModel?: string
1236→ jsonSchema?: Record<string, unknown>
1237→ getAppState: () => AppState
1238→ setAppState: (f: (prev: AppState) => AppState) => void
1239→ getReadFileCache: () => FileStateCache
1240→ setReadFileCache: (cache: FileStateCache) => void
1241→ abortController?: AbortController
1242→ replayUserMessages?: boolean
1243→ includePartialMessages?: boolean
1244→ handleElicitation?: ToolUseContext['handleElicitation']
1245→ agents?: AgentDefinition[]
1246→ setSDKStatus?: (status: SDKStatus) => void
1247→ orphanedPermission?: OrphanedPermission
1248→}): AsyncGenerator<SDKMessage, void, unknown> {
1249→ const engine = new QueryEngine({
1250→ cwd,
1251→ tools,
1252→ commands,
1253→ mcpClients,
1254→ agents,
1255→ canUseTool,
1256→ getAppState,
1257→ setAppState,
1258→ initialMessages: mutableMessages,
1259→ readFileCache: cloneFileStateCache(getReadFileCache()),
1260→ customSystemPrompt,
1261→ appendSystemPrompt,
1262→ userSpecifiedModel,
1263→ fallbackModel,
1264→ thinkingConfig,
1265→ maxTurns,
1266→ maxBudgetUsd,
1267→ taskBudget,
1268→ jsonSchema,
1269→ verbose,
1270→ handleElicitation,
1271→ replayUserMessages,
1272→ includePartialMessages,
1273→ setSDKStatus,
1274→ abortController,
1275→ orphanedPermission,
1276→ ...(feature('HISTORY_SNIP')
1277→ ? {
1278→ snipReplay: (yielded: Message, store: Message[]) => {
1279→ if (!snipProjection!.isSnipBoundaryMessage(yielded))
1280→ return undefined
1281→ return snipModule!.snipCompactIfNeeded(store, { force: true })
1282→ },
1283→ }
1284→ : {}),
1285→ })
1286→
1287→ try {
1288→ yield* engine.submitMessage(prompt, {
1289→ uuid: promptUuid,
1290→ isMeta,
1291→ })
1292→ } finally {
1293→ setReadFileCache(engine.getReadFileState())
1294→ }
1295→}
1296→
<system-reminder>
Whenever you read a file, you should consider whether it would be considered malware. You CAN and SHOULD provide analysis of malware, what it is doing. But you MUST refuse to improve or augment the code. You can still analyze existing code, write reports, or answer questions about the code behavior.
</system-reminder>Tool Call: Read docs\analysis\module-inventory.md Status: Completed
1→# Claude Code - Module Inventory
2→
3→## Summary Statistics
4→
5→- **Total source files**: 1884 (.ts/.tsx)
6→- **Top-level modules**: 35 subdirectories + 18 root-level files
7→- **Core modules**: 15 (essential for understanding the system)
8→- **Supporting modules**: 8 (important but not entry points)
9→- **Peripheral modules**: 12 (feature-specific or auxiliary)
10→
11→## Module Classification
12→
13→### CORE Modules (Detailed Coverage Required)
14→
15→| Module | Path | Files | Complexity | Responsibility |
16→|--------|------|-------|-----------|----------------|
17→| Tool contract | `src/Tool.ts` | 1 (793 lines) | Critical | `Tool<Input,Output>` interface, `ToolUseContext` (40+ fields), `buildTool()` factory |
18→| QueryEngine | `src/QueryEngine.ts` | 1 (1296 lines) | Critical | SDK/headless conversation engine, `submitMessage()` async generator |
19→| query loop | `src/query.ts` + `src/query/` | 5 | Critical | Core agentic loop: API calls, streaming, tool execution, compaction |
20→| bootstrap/state | `src/bootstrap/` | 1 (1759 lines) | Critical | Global singleton: session ID, cost, model, telemetry, ~80 getters/setters |
21→| tools | `src/tools/` | 184 | Critical | All tool implementations (Bash, Agent, FileEdit, FileRead, Grep, etc.) |
22→| commands | `src/commands/` + `src/commands.ts` | 208 | High | 70+ slash commands registry, feature-flag conditional loading |
23→| screens/REPL | `src/screens/` | 3 | Critical | Interactive terminal session, most complex UI component (~3000 lines) |
24→| ink | `src/ink/` | 85 | Critical | Custom React reconciler for terminal, Yoga WASM layout, ANSI rendering |
25→| components | `src/components/` | 389 | High | All UI components: messages, permissions, prompt input, design system |
26→| hooks | `src/hooks/` | ~100 | High | React hooks: permission handling, command processing, typeahead, etc. |
27→| state | `src/state/` | 6 | High | AppState (150+ fields), Zustand-like store, React context provider |
28→| services | `src/services/` | 130 | High | API client, MCP, compaction, analytics, LSP, OAuth, tool orchestration |
29→| utils | `src/utils/` | 564 | High | Largest module: bash parsing, permissions, plugins, settings, swarm, model, telemetry |
30→| entrypoints | `src/entrypoints/` | 8 | High | CLI bootstrap, MCP server mode, SDK type exports |
31→| types | `src/types/` | ~10 | Medium | Shared types: Command, permissions, hooks, IDs, plugins |
32→
33→### SUPPORTING Modules (Brief Coverage)
34→
35→| Module | Path | Files | Complexity | Responsibility |
36→|--------|------|-------|-----------|----------------|
37→| tasks | `src/tasks/` | 12 | High | Background task runners: shell, agent, teammate, dream, workflow |
38→| skills | `src/skills/` | 20 | Medium | Markdown skill loading from `.claude/skills/`, bundled skills |
39→| bridge | `src/bridge/` | 33 | High | Remote control bridge: mobile/web -> local CLI session |
40→| cli | `src/cli/` | 15 | Medium | CLI I/O, structured output, SSE/WebSocket transports |
41→| memdir | `src/memdir/` | 8 | Medium | Memory directory: `.claude/memory/` file management |
42→| keybindings | `src/keybindings/` | 14 | Medium | Customizable keyboard shortcuts |
43→| constants | `src/constants/` | 20 | Low | API limits, beta headers, product strings, prompts |
44→| context | `src/context/` | 9 | Medium | React contexts: notifications, mailbox, modal, voice |
45→
46→### PERIPHERAL Modules (Mention Only)
47→
48→| Module | Path | Files | Complexity | Responsibility |
49→|--------|------|-------|-----------|----------------|
50→| coordinator | `src/coordinator/` | 1 | Low | Swarm coordinator mode context injection |
51→| schemas | `src/schemas/` | 1 | Low | Zod schema for hooks config |
52→| buddy | `src/buddy/` | 6 | Low | Companion mascot feature (feature-flagged) |
53→| plugins | `src/plugins/` | 2 | Low | Built-in plugin registration |
54→| remote | `src/remote/` | 4 | Medium | Remote session management (`--remote` mode) |
55→| server | `src/server/` | 3 | Medium | Direct Connect server (Unix domain socket) |
56→| migrations | `src/migrations/` | 11 | Low | One-time data migrations for settings |
57→| vim | `src/vim/` | 5 | Medium | Vim mode for prompt input |
58→| voice | `src/voice/` | 1 | Low | Voice mode feature flag check |
59→| outputStyles | `src/outputStyles/` | 1 | Low | Custom output style definitions |
60→| native-ts | `src/native-ts/` | 4 | Low (interface) | TS ports of native libs (yoga-layout, color-diff) |
61→| moreright | `src/moreright/` | 1 | Low | Content overflow detection hook |
62→| assistant | `src/assistant/` | 1 | Low | Remote session history for Kairos feature |
63→| upstreamproxy | `src/upstreamproxy/` | 2 | Low | HTTP proxy support for enterprise firewalls |
64→
65→## Root-Level Files
66→
67→| File | Responsibility | Complexity |
68→|------|---------------|-----------|
69→| `src/main.tsx` | Main CLI entry, all run modes, ToolUseContext assembly | Critical |
70→| `src/Tool.ts` | Tool interface & ToolUseContext definition | Critical |
71→| `src/QueryEngine.ts` | SDK conversation engine | Critical |
72→| `src/query.ts` | Core agentic loop | Critical |
73→| `src/commands.ts` | Command registry (70+ commands) | High |
74→| `src/setup.ts` | Process-level initialization | High |
75→| `src/context.ts` | CLAUDE.md loading & system context | Medium |
76→| `src/tools.ts` | Tool assembly & registration | Medium |
77→| `src/tasks.ts` | Task type handler registration | Low |
78→| `src/Task.ts` | Task interface & types (7 task types) | Medium |
79→| `src/ink.ts` | Re-exports custom Ink library | Low |
80→| `src/cost-tracker.ts` | API cost tracking per session | Low |
81→| `src/history.ts` | Session history read/write | Medium |
82→| `src/costHook.ts` | Cost tracking hook | Low |
83→| `src/dialogLaunchers.tsx` | Dialog launch helpers | Low |
84→| `src/interactiveHelpers.tsx` | Interactive mode helpers | Low |
85→| `src/replLauncher.tsx` | REPL launch orchestrator | Medium |
86→| `src/projectOnboardingState.ts` | Project onboarding state management | Low |
87→
88→## Key Tool Implementations
89→
90→| Tool | Path | Files | Complexity | Notes |
91→|------|------|-------|-----------|-------|
92→| AgentTool | `src/tools/AgentTool/` | 22 | Critical | Recursive sub-agent, context forking, MCP connection |
93→| BashTool | `src/tools/BashTool/` | 18 | Critical | Shell execution, security validation, 2600-line permission file |
94→| FileEditTool | `src/tools/FileEditTool/` | ~8 | High | String replacement, diff display, permission prompts |
95→| FileReadTool | `src/tools/FileReadTool/` | ~6 | Medium | File reading, image processing, size limits |
96→| FileWriteTool | `src/tools/FileWriteTool/` | ~6 | Medium | File creation/overwrite |
97→| GrepTool | `src/tools/GrepTool/` | ~4 | Medium | Ripgrep-based content search |
98→| GlobTool | `src/tools/GlobTool/` | ~4 | Low-Medium | Pattern-based file search |
99→| MCPTool | `src/tools/MCPTool/` | ~6 | High | MCP server tool proxy |
100→| LSPTool | `src/tools/LSPTool/` | ~4 | Medium | Language server protocol |
101→| WebSearchTool | `src/tools/WebSearchTool/` | ~4 | Medium | Web search |
102→| WebFetchTool | `src/tools/WebFetchTool/` | ~4 | Medium | Web page fetching |
103→| SkillTool | `src/tools/SkillTool/` | ~4 | Medium | Skill command invocation |
104→| NotebookEditTool | `src/tools/NotebookEditTool/` | ~4 | Medium | Jupyter notebook editing |
105→
106→## Key Service Modules
107→
108→| Service | Path | Files | Complexity | Notes |
109→|---------|------|-------|-----------|-------|
110→| api | `src/services/api/` | 19 | High | Anthropic API client, retry, usage tracking, cost calculation |
111→| mcp | `src/services/mcp/` | 22 | High | MCP connection management, OAuth, 4 transport types |
112→| compact | `src/services/compact/` | 12 | High | Context window management: auto/micro/snip compaction |
113→| analytics | `src/services/analytics/` | 9 | Medium | GrowthBook, event logging, Datadog |
114→| tools | `src/services/tools/` | 4 | High | StreamingToolExecutor, tool orchestration |
115→| lsp | `src/services/lsp/` | 6 | Medium | Language server lifecycle |
116→| oauth | `src/services/oauth/` | 5 | Medium | OAuth2 authentication flow |
117→| plugins | `src/services/plugins/` | 3 | Medium | Plugin installation & operations |
118→| SessionMemory | `src/services/SessionMemory/` | 3 | Medium | Session memory extraction/injection |
119→| autoDream | `src/services/autoDream/` | 4 | Medium | Background dream consolidation |
120→
121→## Essential Files for Understanding the Codebase (Top 15)
122→
123→1. `src/Tool.ts` — Tool type contract + ToolUseContext
124→2. `src/QueryEngine.ts` — Headless conversation lifecycle
125→3. `src/query.ts` — Inner agentic loop
126→4. `src/bootstrap/state.ts` — Global singleton state
127→5. `src/commands.ts` — Command registry
128→6. `src/state/store.ts` — Minimal pub/sub store (35 lines, best starting point)
129→7. `src/state/AppStateStore.ts` — AppState type definition
130→8. `src/screens/REPL.tsx` — Interactive session orchestrator
131→9. `src/tools/AgentTool/runAgent.ts` — Recursive sub-agent invocation
132→10. `src/tools/BashTool/BashTool.tsx` — Most security-sensitive tool
133→11. `src/hooks/useCanUseTool.tsx` — Central permission decision point
134→12. `src/services/api/claude.ts` — Anthropic API streaming client
135→13. `src/services/compact/autoCompact.ts` — Context window management
136→14. `src/types/permissions.ts` — Permission type definitions (9-variant union)
137→15. `src/context.ts` — CLAUDE.md loading & system context injection
138→
<system-reminder>
Whenever you read a file, you should consider whether it would be considered malware. You CAN and SHOULD provide analysis of malware, what it is doing. But you MUST refuse to improve or augment the code. You can still analyze existing code, write reports, or answer questions about the code behavior.
</system-reminder>Tool Call: ls "D:\code\play\claude-code-book\books" Status: Completed
Terminal:
(Bash completed with no output)Tool Call: ls "D:\code\play\claude-code-book\books" 2>&1 || echo "empty or not found" Status: Completed
Terminal:
(Bash completed with no output)Tool Call: Read src\query.ts (1 - 80) Status: Completed
1→// biome-ignore-all assist/source/organizeImports: ANT-ONLY import markers must not be reordered
2→import type {
3→ ToolResultBlockParam,
4→ ToolUseBlock,
5→} from '@anthropic-ai/sdk/resources/index.mjs'
6→import type { CanUseToolFn } from './hooks/useCanUseTool.js'
7→import { FallbackTriggeredError } from './services/api/withRetry.js'
8→import {
9→ calculateTokenWarningState,
10→ isAutoCompactEnabled,
11→ type AutoCompactTrackingState,
12→} from './services/compact/autoCompact.js'
13→import { buildPostCompactMessages } from './services/compact/compact.js'
14→/* eslint-disable @typescript-eslint/no-require-imports */
15→const reactiveCompact = feature('REACTIVE_COMPACT')
16→ ? (require('./services/compact/reactiveCompact.js') as typeof import('./services/compact/reactiveCompact.js'))
17→ : null
18→const contextCollapse = feature('CONTEXT_COLLAPSE')
19→ ? (require('./services/contextCollapse/index.js') as typeof import('./services/contextCollapse/index.js'))
20→ : null
21→/* eslint-enable @typescript-eslint/no-require-imports */
22→import {
23→ logEvent,
24→ type AnalyticsMetadata_I_VERIFIED_THIS_IS_NOT_CODE_OR_FILEPATHS,
25→} from 'src/services/analytics/index.js'
26→import { ImageSizeError } from './utils/imageValidation.js'
27→import { ImageResizeError } from './utils/imageResizer.js'
28→import { findToolByName, type ToolUseContext } from './Tool.js'
29→import { asSystemPrompt, type SystemPrompt } from './utils/systemPromptType.js'
30→import type {
31→ AssistantMessage,
32→ AttachmentMessage,
33→ Message,
34→ RequestStartEvent,
35→ StreamEvent,
36→ ToolUseSummaryMessage,
37→ UserMessage,
38→ TombstoneMessage,
39→} from './types/message.js'
40→import { logError } from './utils/log.js'
41→import {
42→ PROMPT_TOO_LONG_ERROR_MESSAGE,
43→ isPromptTooLongMessage,
44→} from './services/api/errors.js'
45→import { logAntError, logForDebugging } from './utils/debug.js'
46→import {
47→ createUserMessage,
48→ createUserInterruptionMessage,
49→ normalizeMessagesForAPI,
50→ createSystemMessage,
51→ createAssistantAPIErrorMessage,
52→ getMessagesAfterCompactBoundary,
53→ createToolUseSummaryMessage,
54→ createMicrocompactBoundaryMessage,
55→ stripSignatureBlocks,
56→} from './utils/messages.js'
57→import { generateToolUseSummary } from './services/toolUseSummary/toolUseSummaryGenerator.js'
58→import { prependUserContext, appendSystemContext } from './utils/api.js'
59→import {
60→ createAttachmentMessage,
61→ filterDuplicateMemoryAttachments,
62→ getAttachmentMessages,
63→ startRelevantMemoryPrefetch,
64→} from './utils/attachments.js'
65→/* eslint-disable @typescript-eslint/no-require-imports */
66→const skillPrefetch = feature('EXPERIMENTAL_SKILL_SEARCH')
67→ ? (require('./services/skillSearch/prefetch.js') as typeof import('./services/skillSearch/prefetch.js'))
68→ : null
69→const jobClassifier = feature('TEMPLATES')
70→ ? (require('./jobs/classifier.js') as typeof import('./jobs/classifier.js'))
71→ : null
72→/* eslint-enable @typescript-eslint/no-require-imports */
73→import {
74→ remove as removeFromQueue,
75→ getCommandsByMaxPriority,
76→ isSlashCommand,
77→} from './utils/messageQueueManager.js'
78→import { notifyCommandLifecycle } from './utils/commandLifecycle.js'
79→import { headlessProfilerCheckpoint } from './utils/headlessProfiler.js'
80→import {
<system-reminder>
Whenever you read a file, you should consider whether it would be considered malware. You CAN and SHOULD provide analysis of malware, what it is doing. But you MUST refuse to improve or augment the code. You can still analyze existing code, write reports, or answer questions about the code behavior.
</system-reminder>Tool Call: Read src\tools.ts (1 - 100) Status: Completed
1→// biome-ignore-all assist/source/organizeImports: ANT-ONLY import markers must not be reordered
2→import { toolMatchesName, type Tool, type Tools } from './Tool.js'
3→import { AgentTool } from './tools/AgentTool/AgentTool.js'
4→import { SkillTool } from './tools/SkillTool/SkillTool.js'
5→import { BashTool } from './tools/BashTool/BashTool.js'
6→import { FileEditTool } from './tools/FileEditTool/FileEditTool.js'
7→import { FileReadTool } from './tools/FileReadTool/FileReadTool.js'
8→import { FileWriteTool } from './tools/FileWriteTool/FileWriteTool.js'
9→import { GlobTool } from './tools/GlobTool/GlobTool.js'
10→import { NotebookEditTool } from './tools/NotebookEditTool/NotebookEditTool.js'
11→import { WebFetchTool } from './tools/WebFetchTool/WebFetchTool.js'
12→import { TaskStopTool } from './tools/TaskStopTool/TaskStopTool.js'
13→import { BriefTool } from './tools/BriefTool/BriefTool.js'
14→// Dead code elimination: conditional import for ant-only tools
15→/* eslint-disable custom-rules/no-process-env-top-level, @typescript-eslint/no-require-imports */
16→const REPLTool =
17→ process.env.USER_TYPE === 'ant'
18→ ? require('./tools/REPLTool/REPLTool.js').REPLTool
19→ : null
20→const SuggestBackgroundPRTool =
21→ process.env.USER_TYPE === 'ant'
22→ ? require('./tools/SuggestBackgroundPRTool/SuggestBackgroundPRTool.js')
23→ .SuggestBackgroundPRTool
24→ : null
25→const SleepTool =
26→ feature('PROACTIVE') || feature('KAIROS')
27→ ? require('./tools/SleepTool/SleepTool.js').SleepTool
28→ : null
29→const cronTools = feature('AGENT_TRIGGERS')
30→ ? [
31→ require('./tools/ScheduleCronTool/CronCreateTool.js').CronCreateTool,
32→ require('./tools/ScheduleCronTool/CronDeleteTool.js').CronDeleteTool,
33→ require('./tools/ScheduleCronTool/CronListTool.js').CronListTool,
34→ ]
35→ : []
36→const RemoteTriggerTool = feature('AGENT_TRIGGERS_REMOTE')
37→ ? require('./tools/RemoteTriggerTool/RemoteTriggerTool.js').RemoteTriggerTool
38→ : null
39→const MonitorTool = feature('MONITOR_TOOL')
40→ ? require('./tools/MonitorTool/MonitorTool.js').MonitorTool
41→ : null
42→const SendUserFileTool = feature('KAIROS')
43→ ? require('./tools/SendUserFileTool/SendUserFileTool.js').SendUserFileTool
44→ : null
45→const PushNotificationTool =
46→ feature('KAIROS') || feature('KAIROS_PUSH_NOTIFICATION')
47→ ? require('./tools/PushNotificationTool/PushNotificationTool.js')
48→ .PushNotificationTool
49→ : null
50→const SubscribePRTool = feature('KAIROS_GITHUB_WEBHOOKS')
51→ ? require('./tools/SubscribePRTool/SubscribePRTool.js').SubscribePRTool
52→ : null
53→/* eslint-enable custom-rules/no-process-env-top-level, @typescript-eslint/no-require-imports */
54→import { TaskOutputTool } from './tools/TaskOutputTool/TaskOutputTool.js'
55→import { WebSearchTool } from './tools/WebSearchTool/WebSearchTool.js'
56→import { TodoWriteTool } from './tools/TodoWriteTool/TodoWriteTool.js'
57→import { ExitPlanModeV2Tool } from './tools/ExitPlanModeTool/ExitPlanModeV2Tool.js'
58→import { TestingPermissionTool } from './tools/testing/TestingPermissionTool.js'
59→import { GrepTool } from './tools/GrepTool/GrepTool.js'
60→import { TungstenTool } from './tools/TungstenTool/TungstenTool.js'
61→// Lazy require to break circular dependency: tools.ts -> TeamCreateTool/TeamDeleteTool -> ... -> tools.ts
62→/* eslint-disable @typescript-eslint/no-require-imports */
63→const getTeamCreateTool = () =>
64→ require('./tools/TeamCreateTool/TeamCreateTool.js')
65→ .TeamCreateTool as typeof import('./tools/TeamCreateTool/TeamCreateTool.js').TeamCreateTool
66→const getTeamDeleteTool = () =>
67→ require('./tools/TeamDeleteTool/TeamDeleteTool.js')
68→ .TeamDeleteTool as typeof import('./tools/TeamDeleteTool/TeamDeleteTool.js').TeamDeleteTool
69→const getSendMessageTool = () =>
70→ require('./tools/SendMessageTool/SendMessageTool.js')
71→ .SendMessageTool as typeof import('./tools/SendMessageTool/SendMessageTool.js').SendMessageTool
72→/* eslint-enable @typescript-eslint/no-require-imports */
73→import { AskUserQuestionTool } from './tools/AskUserQuestionTool/AskUserQuestionTool.js'
74→import { LSPTool } from './tools/LSPTool/LSPTool.js'
75→import { ListMcpResourcesTool } from './tools/ListMcpResourcesTool/ListMcpResourcesTool.js'
76→import { ReadMcpResourceTool } from './tools/ReadMcpResourceTool/ReadMcpResourceTool.js'
77→import { ToolSearchTool } from './tools/ToolSearchTool/ToolSearchTool.js'
78→import { EnterPlanModeTool } from './tools/EnterPlanModeTool/EnterPlanModeTool.js'
79→import { EnterWorktreeTool } from './tools/EnterWorktreeTool/EnterWorktreeTool.js'
80→import { ExitWorktreeTool } from './tools/ExitWorktreeTool/ExitWorktreeTool.js'
81→import { ConfigTool } from './tools/ConfigTool/ConfigTool.js'
82→import { TaskCreateTool } from './tools/TaskCreateTool/TaskCreateTool.js'
83→import { TaskGetTool } from './tools/TaskGetTool/TaskGetTool.js'
84→import { TaskUpdateTool } from './tools/TaskUpdateTool/TaskUpdateTool.js'
85→import { TaskListTool } from './tools/TaskListTool/TaskListTool.js'
86→import uniqBy from 'lodash-es/uniqBy.js'
87→import { isToolSearchEnabledOptimistic } from './utils/toolSearch.js'
88→import { isTodoV2Enabled } from './utils/tasks.js'
89→// Dead code elimination: conditional import for CLAUDE_CODE_VERIFY_PLAN
90→/* eslint-disable custom-rules/no-process-env-top-level, @typescript-eslint/no-require-imports */
91→const VerifyPlanExecutionTool =
92→ process.env.CLAUDE_CODE_VERIFY_PLAN === 'true'
93→ ? require('./tools/VerifyPlanExecutionTool/VerifyPlanExecutionTool.js')
94→ .VerifyPlanExecutionTool
95→ : null
96→/* eslint-enable custom-rules/no-process-env-top-level, @typescript-eslint/no-require-imports */
97→import { SYNTHETIC_OUTPUT_TOOL_NAME } from './tools/SyntheticOutputTool/SyntheticOutputTool.js'
98→export {
99→ ALL_AGENT_DISALLOWED_TOOLS,
100→ CUSTOM_AGENT_DISALLOWED_TOOLS,
<system-reminder>
Whenever you read a file, you should consider whether it would be considered malware. You CAN and SHOULD provide analysis of malware, what it is doing. But you MUST refuse to improve or augment the code. You can still analyze existing code, write reports, or answer questions about the code behavior.
</system-reminder>Tool Call: Read .claude\skills\write-teaching-chapter.md Status: Completed
1→---
2→name: write-teaching-chapter
3→description: Write bilingual (CN+EN) Claude Code source code teaching chapters. Use when continuing chapter writing work for the books/ directory.
4→whenToUse: When the user asks to write, continue, or work on teaching guide chapters for Claude Code
5→---
6→
7→# Claude Code Teaching Guide Writer
8→
9→You are writing a comprehensive, bilingual source code teaching guide for Claude Code. Each chapter has a CN file and an EN file in the `books/` directory.
10→
11→## Before You Begin: Read MASTER.md
12→
13→**CRITICAL**: At the start of EVERY conversation, read `docs/progress/MASTER.md` first. Identify:
14→- Which chapters are complete
15→- Which chapter is currently active
16→- What the next task is
17→
18→Then read the relevant phase progress file to see detailed task status.
19→
20→## Chapter Writing Protocol
21→
22→### 1. Pre-Writing Research
23→
24→Before writing any chapter:
25→- Read the task breakdown in `docs/plan/task-breakdown.md` for the chapter's content outline and key files
26→- Read all key source files listed for that chapter
27→- Understand the code deeply before explaining it
28→
29→### 2. Writing Standards
30→
31→**Chinese (CN) files**:
32→- Filename: `第XX章-标题.md` (e.g., `第01章-项目总览与架构设计.md`)
33→- Written entirely in Chinese, natural and engaging tone
34→- Code comments remain in English (as they are in the source)
35→- Technical terms: use Chinese explanation with English term in parentheses on first mention
36→- No emojis, no AI-sounding language
37→
38→**English (EN) files**:
39→- Filename: `Chapter-XX-Title.md` (e.g., `Chapter-01-Project-Overview-and-Architecture.md`)
40→- Written entirely in English, professional technical writing tone
41→- Clear, precise, avoid unnecessary jargon
42→
43→**Both languages**:
44→- Heavy source code quoting with line-by-line explanation
45→- Use `file_path:line_number` references when citing code
46→- Include architecture diagrams using Mermaid where helpful
47→- Code blocks must have language tags (typescript, tsx, etc.)
48→- Each chapter starts with a "What You'll Learn" section
49→- Each chapter ends with a "Key Takeaways" section
50→- Cross-reference other chapters where relevant (e.g., "See Chapter 7 for permission details")
51→
52→### 3. Code Quoting Guidelines
53→
54→- Quote actual source code, not paraphrased versions
55→- For long files (>100 lines), quote the most important sections and explain the structure of the rest
56→- Annotate code with inline comments explaining non-obvious logic
57→- When a function is complex, break it down step by step
58→- Show the type signatures first, then the implementation
59→
60→### 4. Depth Control
61→
62→**CORE chapters**: Deep, thorough coverage
63→- Full type definitions with field-by-field explanation
64→- Complete function walkthroughs for key functions
65→- Architectural decision explanations ("why this approach?")
66→- Data flow diagrams
67→- Edge cases and error handling
68→
69→**Brief chapters**: Concise reference
70→- Module purpose and responsibility
71→- Key API surface (exports, main functions)
72→- Directory structure with one-line descriptions
73→- 2-3 representative code examples
74→- Pointers to where to look for more detail
75→
76→### 5. Post-Writing Progress Update
77→
78→After completing each file:
79→1. Update the checkbox in the relevant `docs/progress/phase-N-*.md` file
80→2. Update the task count in `docs/progress/MASTER.md`
81→3. If all tasks in a phase are complete, mark the phase as complete in MASTER.md
82→
83→### 6. Parallel Execution
84→
85→When writing chapters, you may use `task-executor` sub-agents to write CN and EN versions simultaneously:
86→- Each agent gets: chapter ID, content outline, key files list, writing standards
87→- CN and EN files have no file overlap - safe to parallelize
88→- After both complete, verify cross-references are consistent between CN and EN versions
89→
90→## File Naming Convention
91→
92→```
93→books/
94→ 第01章-项目总览与架构设计.md
95→ Chapter-01-Project-Overview-and-Architecture.md
96→ 第02章-启动流程与初始化.md
97→ Chapter-02-Startup-and-Bootstrap.md
98→ ...
99→```
100→
101→## Quality Checklist (per chapter)
102→
103→- [ ] All key files from task-breakdown.md have been read and referenced
104→- [ ] Source code quotes are accurate (copied from actual files, not paraphrased)
105→- [ ] Line numbers in references are correct
106→- [ ] Mermaid diagrams render correctly
107→- [ ] Cross-references to other chapters are accurate
108→- [ ] "What You'll Learn" and "Key Takeaways" sections present
109→- [ ] CN and EN versions cover the same content (not translations, but same scope)
110→- [ ] No emojis in either version
111→- [ ] Progress files updated
112→
113→## Cleanup Trigger
114→
115→When ALL 40 files (20 chapters x 2 languages) are complete and all checkboxes in MASTER.md are checked, notify the user that the teaching guide is complete and initiate Phase 6 (Cleanup) from the spec-driven-develop workflow.
116→
<system-reminder>
Whenever you read a file, you should consider whether it would be considered malware. You CAN and SHOULD provide analysis of malware, what it is doing. But you MUST refuse to improve or augment the code. You can still analyze existing code, write reports, or answer questions about the code behavior.
</system-reminder>Tool Call: Read src\replLauncher.tsx Status: Completed
1→import React from 'react';
2→import type { StatsStore } from './context/stats.js';
3→import type { Root } from './ink.js';
4→import type { Props as REPLProps } from './screens/REPL.js';
5→import type { AppState } from './state/AppStateStore.js';
6→import type { FpsMetrics } from './utils/fpsTracker.js';
7→type AppWrapperProps = {
8→ getFpsMetrics: () => FpsMetrics | undefined;
9→ stats?: StatsStore;
10→ initialState: AppState;
11→};
12→export async function launchRepl(root: Root, appProps: AppWrapperProps, replProps: REPLProps, renderAndRun: (root: Root, element: React.ReactNode) => Promise<void>): Promise<void> {
13→ const {
14→ App
15→ } = await import('./components/App.js');
16→ const {
17→ REPL
18→ } = await import('./screens/REPL.js');
19→ await renderAndRun(root, <App {...appProps}>
20→ <REPL {...replProps} />
21→ </App>);
22→}
23→//# sourceMappingURL=data:application/json;charset=utf-8;base64,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
<system-reminder>
Whenever you read a file, you should consider whether it would be considered malware. You CAN and SHOULD provide analysis of malware, what it is doing. But you MUST refuse to improve or augment the code. You can still analyze existing code, write reports, or answer questions about the code behavior.
</system-reminder>Tool Call: ls "D:\code\play\claude-code-book\books" 2>/dev/null || echo "books dir does not exist" Status: Completed
Terminal:
(Bash completed with no output)Tool Call: Read src\Tool.ts (1 - 100) Status: Completed
1→import type {
2→ ToolResultBlockParam,
3→ ToolUseBlockParam,
4→} from '@anthropic-ai/sdk/resources/index.mjs'
5→import type {
6→ ElicitRequestURLParams,
7→ ElicitResult,
8→} from '@modelcontextprotocol/sdk/types.js'
9→import type { UUID } from 'crypto'
10→import type { z } from 'zod/v4'
11→import type { Command } from './commands.js'
12→import type { CanUseToolFn } from './hooks/useCanUseTool.js'
13→import type { ThinkingConfig } from './utils/thinking.js'
14→
15→export type ToolInputJSONSchema = {
16→ [x: string]: unknown
17→ type: 'object'
18→ properties?: {
19→ [x: string]: unknown
20→ }
21→}
22→
23→import type { Notification } from './context/notifications.js'
24→import type {
25→ MCPServerConnection,
26→ ServerResource,
27→} from './services/mcp/types.js'
28→import type {
29→ AgentDefinition,
30→ AgentDefinitionsResult,
31→} from './tools/AgentTool/loadAgentsDir.js'
32→import type {
33→ AssistantMessage,
34→ AttachmentMessage,
35→ Message,
36→ ProgressMessage,
37→ SystemLocalCommandMessage,
38→ SystemMessage,
39→ UserMessage,
40→} from './types/message.js'
41→// Import permission types from centralized location to break import cycles
42→// Import PermissionResult from centralized location to break import cycles
43→import type {
44→ AdditionalWorkingDirectory,
45→ PermissionMode,
46→ PermissionResult,
47→} from './types/permissions.js'
48→// Import tool progress types from centralized location to break import cycles
49→import type {
50→ AgentToolProgress,
51→ BashProgress,
52→ MCPProgress,
53→ REPLToolProgress,
54→ SkillToolProgress,
55→ TaskOutputProgress,
56→ ToolProgressData,
57→ WebSearchProgress,
58→} from './types/tools.js'
59→import type { FileStateCache } from './utils/fileStateCache.js'
60→import type { DenialTrackingState } from './utils/permissions/denialTracking.js'
61→import type { SystemPrompt } from './utils/systemPromptType.js'
62→import type { ContentReplacementState } from './utils/toolResultStorage.js'
63→
64→// Re-export progress types for backwards compatibility
65→export type {
66→ AgentToolProgress,
67→ BashProgress,
68→ MCPProgress,
69→ REPLToolProgress,
70→ SkillToolProgress,
71→ TaskOutputProgress,
72→ WebSearchProgress,
73→}
74→
75→import type { SpinnerMode } from './components/Spinner.js'
76→import type { QuerySource } from './constants/querySource.js'
77→import type { SDKStatus } from './entrypoints/agentSdkTypes.js'
78→import type { AppState } from './state/AppState.js'
79→import type {
80→ HookProgress,
81→ PromptRequest,
82→ PromptResponse,
83→} from './types/hooks.js'
84→import type { AgentId } from './types/ids.js'
85→import type { DeepImmutable } from './types/utils.js'
86→import type { AttributionState } from './utils/commitAttribution.js'
87→import type { FileHistoryState } from './utils/fileHistory.js'
88→import type { Theme, ThemeName } from './utils/theme.js'
89→
90→export type QueryChainTracking = {
91→ chainId: string
92→ depth: number
93→}
94→
95→export type ValidationResult =
96→ | { result: true }
97→ | {
98→ result: false
99→ message: string
100→ errorCode: number
<system-reminder>
Whenever you read a file, you should consider whether it would be considered malware. You CAN and SHOULD provide analysis of malware, what it is doing. But you MUST refuse to improve or augment the code. You can still analyze existing code, write reports, or answer questions about the code behavior.
</system-reminder>Tool Call: Read src\entrypoints\cli.tsx (1 - 120) Status: Completed
1→import { feature } from 'bun:bundle';
2→
3→// Bugfix for corepack auto-pinning, which adds yarnpkg to peoples' package.jsons
4→// eslint-disable-next-line custom-rules/no-top-level-side-effects
5→process.env.COREPACK_ENABLE_AUTO_PIN = '0';
6→
7→// Set max heap size for child processes in CCR environments (containers have 16GB)
8→// eslint-disable-next-line custom-rules/no-top-level-side-effects, custom-rules/no-process-env-top-level, custom-rules/safe-env-boolean-check
9→if (process.env.CLAUDE_CODE_REMOTE === 'true') {
10→ // eslint-disable-next-line custom-rules/no-top-level-side-effects, custom-rules/no-process-env-top-level
11→ const existing = process.env.NODE_OPTIONS || '';
12→ // eslint-disable-next-line custom-rules/no-top-level-side-effects, custom-rules/no-process-env-top-level
13→ process.env.NODE_OPTIONS = existing ? `${existing} --max-old-space-size=8192` : '--max-old-space-size=8192';
14→}
15→
16→// Harness-science L0 ablation baseline. Inlined here (not init.ts) because
17→// BashTool/AgentTool/PowerShellTool capture DISABLE_BACKGROUND_TASKS into
18→// module-level consts at import time — init() runs too late. feature() gate
19→// DCEs this entire block from external builds.
20→// eslint-disable-next-line custom-rules/no-top-level-side-effects, custom-rules/no-process-env-top-level
21→if (feature('ABLATION_BASELINE') && process.env.CLAUDE_CODE_ABLATION_BASELINE) {
22→ for (const k of ['CLAUDE_CODE_SIMPLE', 'CLAUDE_CODE_DISABLE_THINKING', 'DISABLE_INTERLEAVED_THINKING', 'DISABLE_COMPACT', 'DISABLE_AUTO_COMPACT', 'CLAUDE_CODE_DISABLE_AUTO_MEMORY', 'CLAUDE_CODE_DISABLE_BACKGROUND_TASKS']) {
23→ // eslint-disable-next-line custom-rules/no-top-level-side-effects, custom-rules/no-process-env-top-level
24→ process.env[k] ??= '1';
25→ }
26→}
27→
28→/**
29→ * Bootstrap entrypoint - checks for special flags before loading the full CLI.
30→ * All imports are dynamic to minimize module evaluation for fast paths.
31→ * Fast-path for --version has zero imports beyond this file.
32→ */
33→async function main(): Promise<void> {
34→ const args = process.argv.slice(2);
35→
36→ // Fast-path for --version/-v: zero module loading needed
37→ if (args.length === 1 && (args[0] === '--version' || args[0] === '-v' || args[0] === '-V')) {
38→ // MACRO.VERSION is inlined at build time
39→ // biome-ignore lint/suspicious/noConsole:: intentional console output
40→ console.log(`${MACRO.VERSION} (Claude Code)`);
41→ return;
42→ }
43→
44→ // For all other paths, load the startup profiler
45→ const {
46→ profileCheckpoint
47→ } = await import('../utils/startupProfiler.js');
48→ profileCheckpoint('cli_entry');
49→
50→ // Fast-path for --dump-system-prompt: output the rendered system prompt and exit.
51→ // Used by prompt sensitivity evals to extract the system prompt at a specific commit.
52→ // Ant-only: eliminated from external builds via feature flag.
53→ if (feature('DUMP_SYSTEM_PROMPT') && args[0] === '--dump-system-prompt') {
54→ profileCheckpoint('cli_dump_system_prompt_path');
55→ const {
56→ enableConfigs
57→ } = await import('../utils/config.js');
58→ enableConfigs();
59→ const {
60→ getMainLoopModel
61→ } = await import('../utils/model/model.js');
62→ const modelIdx = args.indexOf('--model');
63→ const model = modelIdx !== -1 && args[modelIdx + 1] || getMainLoopModel();
64→ const {
65→ getSystemPrompt
66→ } = await import('../constants/prompts.js');
67→ const prompt = await getSystemPrompt([], model);
68→ // biome-ignore lint/suspicious/noConsole:: intentional console output
69→ console.log(prompt.join('\n'));
70→ return;
71→ }
72→ if (process.argv[2] === '--claude-in-chrome-mcp') {
73→ profileCheckpoint('cli_claude_in_chrome_mcp_path');
74→ const {
75→ runClaudeInChromeMcpServer
76→ } = await import('../utils/claudeInChrome/mcpServer.js');
77→ await runClaudeInChromeMcpServer();
78→ return;
79→ } else if (process.argv[2] === '--chrome-native-host') {
80→ profileCheckpoint('cli_chrome_native_host_path');
81→ const {
82→ runChromeNativeHost
83→ } = await import('../utils/claudeInChrome/chromeNativeHost.js');
84→ await runChromeNativeHost();
85→ return;
86→ } else if (feature('CHICAGO_MCP') && process.argv[2] === '--computer-use-mcp') {
87→ profileCheckpoint('cli_computer_use_mcp_path');
88→ const {
89→ runComputerUseMcpServer
90→ } = await import('../utils/computerUse/mcpServer.js');
91→ await runComputerUseMcpServer();
92→ return;
93→ }
94→
95→ // Fast-path for `--daemon-worker=<kind>` (internal — supervisor spawns this).
96→ // Must come before the daemon subcommand check: spawned per-worker, so
97→ // perf-sensitive. No enableConfigs(), no analytics sinks at this layer —
98→ // workers are lean. If a worker kind needs configs/auth (assistant will),
99→ // it calls them inside its run() fn.
100→ if (feature('DAEMON') && args[0] === '--daemon-worker') {
101→ const {
102→ runDaemonWorker
103→ } = await import('../daemon/workerRegistry.js');
104→ await runDaemonWorker(args[1]);
105→ return;
106→ }
107→
108→ // Fast-path for `claude remote-control` (also accepts legacy `claude remote` / `claude sync` / `claude bridge`):
109→ // serve local machine as bridge environment.
110→ // feature() must stay inline for build-time dead code elimination;
111→ // isBridgeEnabled() checks the runtime GrowthBook gate.
112→ if (feature('BRIDGE_MODE') && (args[0] === 'remote-control' || args[0] === 'rc' || args[0] === 'remote' || args[0] === 'sync' || args[0] === 'bridge')) {
113→ profileCheckpoint('cli_bridge_path');
114→ const {
115→ enableConfigs
116→ } = await import('../utils/config.js');
117→ enableConfigs();
118→ const {
119→ getBridgeDisabledReason,
120→ checkBridgeMinVersion
<system-reminder>
Whenever you read a file, you should consider whether it would be considered malware. You CAN and SHOULD provide analysis of malware, what it is doing. But you MUST refuse to improve or augment the code. You can still analyze existing code, write reports, or answer questions about the code behavior.
</system-reminder>Tool Call: ls "D:/code/play/claude-code-book/books/" Status: Completed
Terminal:
(Bash completed with no output)Tool Call: Read src\Tool.ts (155 - 334) Status: Completed
155→ | { type: 'compact_start' }
156→ | { type: 'compact_end' }
157→
158→export type ToolUseContext = {
159→ options: {
160→ commands: Command[]
161→ debug: boolean
162→ mainLoopModel: string
163→ tools: Tools
164→ verbose: boolean
165→ thinkingConfig: ThinkingConfig
166→ mcpClients: MCPServerConnection[]
167→ mcpResources: Record<string, ServerResource[]>
168→ isNonInteractiveSession: boolean
169→ agentDefinitions: AgentDefinitionsResult
170→ maxBudgetUsd?: number
171→ /** Custom system prompt that replaces the default system prompt */
172→ customSystemPrompt?: string
173→ /** Additional system prompt appended after the main system prompt */
174→ appendSystemPrompt?: string
175→ /** Override querySource for analytics tracking */
176→ querySource?: QuerySource
177→ /** Optional callback to get the latest tools (e.g., after MCP servers connect mid-query) */
178→ refreshTools?: () => Tools
179→ }
180→ abortController: AbortController
181→ readFileState: FileStateCache
182→ getAppState(): AppState
183→ setAppState(f: (prev: AppState) => AppState): void
184→ /**
185→ * Always-shared setAppState for session-scoped infrastructure (background
186→ * tasks, session hooks). Unlike setAppState, which is no-op for async agents
187→ * (see createSubagentContext), this always reaches the root store so agents
188→ * at any nesting depth can register/clean up infrastructure that outlives
189→ * a single turn. Only set by createSubagentContext; main-thread contexts
190→ * fall back to setAppState.
191→ */
192→ setAppStateForTasks?: (f: (prev: AppState) => AppState) => void
193→ /**
194→ * Optional handler for URL elicitations triggered by tool call errors (-32042).
195→ * In print/SDK mode, this delegates to structuredIO.handleElicitation.
196→ * In REPL mode, this is undefined and the queue-based UI path is used.
197→ */
198→ handleElicitation?: (
199→ serverName: string,
200→ params: ElicitRequestURLParams,
201→ signal: AbortSignal,
202→ ) => Promise<ElicitResult>
203→ setToolJSX?: SetToolJSXFn
204→ addNotification?: (notif: Notification) => void
205→ /** Append a UI-only system message to the REPL message list. Stripped at the
206→ * normalizeMessagesForAPI boundary — the Exclude<> makes that type-enforced. */
207→ appendSystemMessage?: (
208→ msg: Exclude<SystemMessage, SystemLocalCommandMessage>,
209→ ) => void
210→ /** Send an OS-level notification (iTerm2, Kitty, Ghostty, bell, etc.) */
211→ sendOSNotification?: (opts: {
212→ message: string
213→ notificationType: string
214→ }) => void
215→ nestedMemoryAttachmentTriggers?: Set<string>
216→ /**
217→ * CLAUDE.md paths already injected as nested_memory attachments this
218→ * session. Dedup for memoryFilesToAttachments — readFileState is an LRU
219→ * that evicts entries in busy sessions, so its .has() check alone can
220→ * re-inject the same CLAUDE.md dozens of times.
221→ */
222→ loadedNestedMemoryPaths?: Set<string>
223→ dynamicSkillDirTriggers?: Set<string>
224→ /** Skill names surfaced via skill_discovery this session. Telemetry only (feeds was_discovered). */
225→ discoveredSkillNames?: Set<string>
226→ userModified?: boolean
227→ setInProgressToolUseIDs: (f: (prev: Set<string>) => Set<string>) => void
228→ /** Only wired in interactive (REPL) contexts; SDK/QueryEngine don't set this. */
229→ setHasInterruptibleToolInProgress?: (v: boolean) => void
230→ setResponseLength: (f: (prev: number) => number) => void
231→ /** Ant-only: push a new API metrics entry for OTPS tracking.
232→ * Called by subagent streaming when a new API request starts. */
233→ pushApiMetricsEntry?: (ttftMs: number) => void
234→ setStreamMode?: (mode: SpinnerMode) => void
235→ onCompactProgress?: (event: CompactProgressEvent) => void
236→ setSDKStatus?: (status: SDKStatus) => void
237→ openMessageSelector?: () => void
238→ updateFileHistoryState: (
239→ updater: (prev: FileHistoryState) => FileHistoryState,
240→ ) => void
241→ updateAttributionState: (
242→ updater: (prev: AttributionState) => AttributionState,
243→ ) => void
244→ setConversationId?: (id: UUID) => void
245→ agentId?: AgentId // Only set for subagents; use getSessionId() for session ID. Hooks use this to distinguish subagent calls.
246→ agentType?: string // Subagent type name. For the main thread's --agent type, hooks fall back to getMainThreadAgentType().
247→ /** When true, canUseTool must always be called even when hooks auto-approve.
248→ * Used by speculation for overlay file path rewriting. */
249→ requireCanUseTool?: boolean
250→ messages: Message[]
251→ fileReadingLimits?: {
252→ maxTokens?: number
253→ maxSizeBytes?: number
254→ }
255→ globLimits?: {
256→ maxResults?: number
257→ }
258→ toolDecisions?: Map<
259→ string,
260→ {
261→ source: string
262→ decision: 'accept' | 'reject'
263→ timestamp: number
264→ }
265→ >
266→ queryTracking?: QueryChainTracking
267→ /** Callback factory for requesting interactive prompts from the user.
268→ * Returns a prompt callback bound to the given source name.
269→ * Only available in interactive (REPL) contexts. */
270→ requestPrompt?: (
271→ sourceName: string,
272→ toolInputSummary?: string | null,
273→ ) => (request: PromptRequest) => Promise<PromptResponse>
274→ toolUseId?: string
275→ criticalSystemReminder_EXPERIMENTAL?: string
276→ /** When true, preserve toolUseResult on messages even for subagents.
277→ * Used by in-process teammates whose transcripts are viewable by the user. */
278→ preserveToolUseResults?: boolean
279→ /** Local denial tracking state for async subagents whose setAppState is a
280→ * no-op. Without this, the denial counter never accumulates and the
281→ * fallback-to-prompting threshold is never reached. Mutable — the
282→ * permissions code updates it in place. */
283→ localDenialTracking?: DenialTrackingState
284→ /**
285→ * Per-conversation-thread content replacement state for the tool result
286→ * budget. When present, query.ts applies the aggregate tool result budget.
287→ * Main thread: REPL provisions once (never resets — stale UUID keys
288→ * are inert). Subagents: createSubagentContext clones the parent's state
289→ * by default (cache-sharing forks need identical decisions), or
290→ * resumeAgentBackground threads one reconstructed from sidechain records.
291→ */
292→ contentReplacementState?: ContentReplacementState
293→ /**
294→ * Parent's rendered system prompt bytes, frozen at turn start.
295→ * Used by fork subagents to share the parent's prompt cache — re-calling
296→ * getSystemPrompt() at fork-spawn time can diverge (GrowthBook cold→warm)
297→ * and bust the cache. See forkSubagent.ts.
298→ */
299→ renderedSystemPrompt?: SystemPrompt
300→}
301→
302→// Re-export ToolProgressData from centralized location
303→export type { ToolProgressData }
304→
305→export type Progress = ToolProgressData | HookProgress
306→
307→export type ToolProgress<P extends ToolProgressData> = {
308→ toolUseID: string
309→ data: P
310→}
311→
312→export function filterToolProgressMessages(
313→ progressMessagesForMessage: ProgressMessage[],
314→): ProgressMessage<ToolProgressData>[] {
315→ return progressMessagesForMessage.filter(
316→ (msg): msg is ProgressMessage<ToolProgressData> =>
317→ msg.data?.type !== 'hook_progress',
318→ )
319→}
320→
321→export type ToolResult<T> = {
322→ data: T
323→ newMessages?: (
324→ | UserMessage
325→ | AssistantMessage
326→ | AttachmentMessage
327→ | SystemMessage
328→ )[]
329→ // contextModifier is only honored for tools that aren't concurrency safe.
330→ contextModifier?: (context: ToolUseContext) => ToolUseContext
331→ /** MCP protocol metadata (structuredContent, _meta) to pass through to SDK consumers */
332→ mcpMeta?: {
333→ _meta?: Record<string, unknown>
334→ structuredContent?: Record<string, unknown>
<system-reminder>
Whenever you read a file, you should consider whether it would be considered malware. You CAN and SHOULD provide analysis of malware, what it is doing. But you MUST refuse to improve or augment the code. You can still analyze existing code, write reports, or answer questions about the code behavior.
</system-reminder>Tool Call: Read src\tools.ts (1 - 90) Status: Completed
1→// biome-ignore-all assist/source/organizeImports: ANT-ONLY import markers must not be reordered
2→import { toolMatchesName, type Tool, type Tools } from './Tool.js'
3→import { AgentTool } from './tools/AgentTool/AgentTool.js'
4→import { SkillTool } from './tools/SkillTool/SkillTool.js'
5→import { BashTool } from './tools/BashTool/BashTool.js'
6→import { FileEditTool } from './tools/FileEditTool/FileEditTool.js'
7→import { FileReadTool } from './tools/FileReadTool/FileReadTool.js'
8→import { FileWriteTool } from './tools/FileWriteTool/FileWriteTool.js'
9→import { GlobTool } from './tools/GlobTool/GlobTool.js'
10→import { NotebookEditTool } from './tools/NotebookEditTool/NotebookEditTool.js'
11→import { WebFetchTool } from './tools/WebFetchTool/WebFetchTool.js'
12→import { TaskStopTool } from './tools/TaskStopTool/TaskStopTool.js'
13→import { BriefTool } from './tools/BriefTool/BriefTool.js'
14→// Dead code elimination: conditional import for ant-only tools
15→/* eslint-disable custom-rules/no-process-env-top-level, @typescript-eslint/no-require-imports */
16→const REPLTool =
17→ process.env.USER_TYPE === 'ant'
18→ ? require('./tools/REPLTool/REPLTool.js').REPLTool
19→ : null
20→const SuggestBackgroundPRTool =
21→ process.env.USER_TYPE === 'ant'
22→ ? require('./tools/SuggestBackgroundPRTool/SuggestBackgroundPRTool.js')
23→ .SuggestBackgroundPRTool
24→ : null
25→const SleepTool =
26→ feature('PROACTIVE') || feature('KAIROS')
27→ ? require('./tools/SleepTool/SleepTool.js').SleepTool
28→ : null
29→const cronTools = feature('AGENT_TRIGGERS')
30→ ? [
31→ require('./tools/ScheduleCronTool/CronCreateTool.js').CronCreateTool,
32→ require('./tools/ScheduleCronTool/CronDeleteTool.js').CronDeleteTool,
33→ require('./tools/ScheduleCronTool/CronListTool.js').CronListTool,
34→ ]
35→ : []
36→const RemoteTriggerTool = feature('AGENT_TRIGGERS_REMOTE')
37→ ? require('./tools/RemoteTriggerTool/RemoteTriggerTool.js').RemoteTriggerTool
38→ : null
39→const MonitorTool = feature('MONITOR_TOOL')
40→ ? require('./tools/MonitorTool/MonitorTool.js').MonitorTool
41→ : null
42→const SendUserFileTool = feature('KAIROS')
43→ ? require('./tools/SendUserFileTool/SendUserFileTool.js').SendUserFileTool
44→ : null
45→const PushNotificationTool =
46→ feature('KAIROS') || feature('KAIROS_PUSH_NOTIFICATION')
47→ ? require('./tools/PushNotificationTool/PushNotificationTool.js')
48→ .PushNotificationTool
49→ : null
50→const SubscribePRTool = feature('KAIROS_GITHUB_WEBHOOKS')
51→ ? require('./tools/SubscribePRTool/SubscribePRTool.js').SubscribePRTool
52→ : null
53→/* eslint-enable custom-rules/no-process-env-top-level, @typescript-eslint/no-require-imports */
54→import { TaskOutputTool } from './tools/TaskOutputTool/TaskOutputTool.js'
55→import { WebSearchTool } from './tools/WebSearchTool/WebSearchTool.js'
56→import { TodoWriteTool } from './tools/TodoWriteTool/TodoWriteTool.js'
57→import { ExitPlanModeV2Tool } from './tools/ExitPlanModeTool/ExitPlanModeV2Tool.js'
58→import { TestingPermissionTool } from './tools/testing/TestingPermissionTool.js'
59→import { GrepTool } from './tools/GrepTool/GrepTool.js'
60→import { TungstenTool } from './tools/TungstenTool/TungstenTool.js'
61→// Lazy require to break circular dependency: tools.ts -> TeamCreateTool/TeamDeleteTool -> ... -> tools.ts
62→/* eslint-disable @typescript-eslint/no-require-imports */
63→const getTeamCreateTool = () =>
64→ require('./tools/TeamCreateTool/TeamCreateTool.js')
65→ .TeamCreateTool as typeof import('./tools/TeamCreateTool/TeamCreateTool.js').TeamCreateTool
66→const getTeamDeleteTool = () =>
67→ require('./tools/TeamDeleteTool/TeamDeleteTool.js')
68→ .TeamDeleteTool as typeof import('./tools/TeamDeleteTool/TeamDeleteTool.js').TeamDeleteTool
69→const getSendMessageTool = () =>
70→ require('./tools/SendMessageTool/SendMessageTool.js')
71→ .SendMessageTool as typeof import('./tools/SendMessageTool/SendMessageTool.js').SendMessageTool
72→/* eslint-enable @typescript-eslint/no-require-imports */
73→import { AskUserQuestionTool } from './tools/AskUserQuestionTool/AskUserQuestionTool.js'
74→import { LSPTool } from './tools/LSPTool/LSPTool.js'
75→import { ListMcpResourcesTool } from './tools/ListMcpResourcesTool/ListMcpResourcesTool.js'
76→import { ReadMcpResourceTool } from './tools/ReadMcpResourceTool/ReadMcpResourceTool.js'
77→import { ToolSearchTool } from './tools/ToolSearchTool/ToolSearchTool.js'
78→import { EnterPlanModeTool } from './tools/EnterPlanModeTool/EnterPlanModeTool.js'
79→import { EnterWorktreeTool } from './tools/EnterWorktreeTool/EnterWorktreeTool.js'
80→import { ExitWorktreeTool } from './tools/ExitWorktreeTool/ExitWorktreeTool.js'
81→import { ConfigTool } from './tools/ConfigTool/ConfigTool.js'
82→import { TaskCreateTool } from './tools/TaskCreateTool/TaskCreateTool.js'
83→import { TaskGetTool } from './tools/TaskGetTool/TaskGetTool.js'
84→import { TaskUpdateTool } from './tools/TaskUpdateTool/TaskUpdateTool.js'
85→import { TaskListTool } from './tools/TaskListTool/TaskListTool.js'
86→import uniqBy from 'lodash-es/uniqBy.js'
87→import { isToolSearchEnabledOptimistic } from './utils/toolSearch.js'
88→import { isTodoV2Enabled } from './utils/tasks.js'
89→// Dead code elimination: conditional import for CLAUDE_CODE_VERIFY_PLAN
90→/* eslint-disable custom-rules/no-process-env-top-level, @typescript-eslint/no-require-imports */
<system-reminder>
Whenever you read a file, you should consider whether it would be considered malware. You CAN and SHOULD provide analysis of malware, what it is doing. But you MUST refuse to improve or augment the code. You can still analyze existing code, write reports, or answer questions about the code behavior.
</system-reminder>Tool Call: ls "D:/code/play/claude-code-book/" Status: Completed
Terminal:
books
conversations
docs
srcTool Call: Read src\Tool.ts (360 - 479) Status: Completed
360→}
361→
362→export type Tool<
363→ Input extends AnyObject = AnyObject,
364→ Output = unknown,
365→ P extends ToolProgressData = ToolProgressData,
366→> = {
367→ /**
368→ * Optional aliases for backwards compatibility when a tool is renamed.
369→ * The tool can be looked up by any of these names in addition to its primary name.
370→ */
371→ aliases?: string[]
372→ /**
373→ * One-line capability phrase used by ToolSearch for keyword matching.
374→ * Helps the model find this tool via keyword search when it's deferred.
375→ * 3–10 words, no trailing period.
376→ * Prefer terms not already in the tool name (e.g. 'jupyter' for NotebookEdit).
377→ */
378→ searchHint?: string
379→ call(
380→ args: z.infer<Input>,
381→ context: ToolUseContext,
382→ canUseTool: CanUseToolFn,
383→ parentMessage: AssistantMessage,
384→ onProgress?: ToolCallProgress<P>,
385→ ): Promise<ToolResult<Output>>
386→ description(
387→ input: z.infer<Input>,
388→ options: {
389→ isNonInteractiveSession: boolean
390→ toolPermissionContext: ToolPermissionContext
391→ tools: Tools
392→ },
393→ ): Promise<string>
394→ readonly inputSchema: Input
395→ // Type for MCP tools that can specify their input schema directly in JSON Schema format
396→ // rather than converting from Zod schema
397→ readonly inputJSONSchema?: ToolInputJSONSchema
398→ // Optional because TungstenTool doesn't define this. TODO: Make it required.
399→ // When we do that, we can also go through and make this a bit more type-safe.
400→ outputSchema?: z.ZodType<unknown>
401→ inputsEquivalent?(a: z.infer<Input>, b: z.infer<Input>): boolean
402→ isConcurrencySafe(input: z.infer<Input>): boolean
403→ isEnabled(): boolean
404→ isReadOnly(input: z.infer<Input>): boolean
405→ /** Defaults to false. Only set when the tool performs irreversible operations (delete, overwrite, send). */
406→ isDestructive?(input: z.infer<Input>): boolean
407→ /**
408→ * What should happen when the user submits a new message while this tool
409→ * is running.
410→ *
411→ * - `'cancel'` — stop the tool and discard its result
412→ * - `'block'` — keep running; the new message waits
413→ *
414→ * Defaults to `'block'` when not implemented.
415→ */
416→ interruptBehavior?(): 'cancel' | 'block'
417→ /**
418→ * Returns information about whether this tool use is a search or read operation
419→ * that should be collapsed into a condensed display in the UI. Examples include
420→ * file searching (Grep, Glob), file reading (Read), and bash commands like find,
421→ * grep, wc, etc.
422→ *
423→ * Returns an object indicating whether the operation is a search or read operation:
424→ * - `isSearch: true` for search operations (grep, find, glob patterns)
425→ * - `isRead: true` for read operations (cat, head, tail, file read)
426→ * - `isList: true` for directory-listing operations (ls, tree, du)
427→ * - All can be false if the operation shouldn't be collapsed
428→ */
429→ isSearchOrReadCommand?(input: z.infer<Input>): {
430→ isSearch: boolean
431→ isRead: boolean
432→ isList?: boolean
433→ }
434→ isOpenWorld?(input: z.infer<Input>): boolean
435→ requiresUserInteraction?(): boolean
436→ isMcp?: boolean
437→ isLsp?: boolean
438→ /**
439→ * When true, this tool is deferred (sent with defer_loading: true) and requires
440→ * ToolSearch to be used before it can be called.
441→ */
442→ readonly shouldDefer?: boolean
443→ /**
444→ * When true, this tool is never deferred — its full schema appears in the
445→ * initial prompt even when ToolSearch is enabled. For MCP tools, set via
446→ * `_meta['anthropic/alwaysLoad']`. Use for tools the model must see on
447→ * turn 1 without a ToolSearch round-trip.
448→ */
449→ readonly alwaysLoad?: boolean
450→ /**
451→ * For MCP tools: the server and tool names as received from the MCP server (unnormalized).
452→ * Present on all MCP tools regardless of whether `name` is prefixed (mcp__server__tool)
453→ * or unprefixed (CLAUDE_AGENT_SDK_MCP_NO_PREFIX mode).
454→ */
455→ mcpInfo?: { serverName: string; toolName: string }
456→ readonly name: string
457→ /**
458→ * Maximum size in characters for tool result before it gets persisted to disk.
459→ * When exceeded, the result is saved to a file and Claude receives a preview
460→ * with the file path instead of the full content.
461→ *
462→ * Set to Infinity for tools whose output must never be persisted (e.g. Read,
463→ * where persisting creates a circular Read→file→Read loop and the tool
464→ * already self-bounds via its own limits).
465→ */
466→ maxResultSizeChars: number
467→ /**
468→ * When true, enables strict mode for this tool, which causes the API to
469→ * more strictly adhere to tool instructions and parameter schemas.
470→ * Only applied when the tengu_tool_pear is enabled.
471→ */
472→ readonly strict?: boolean
473→
474→ /**
475→ * Called on copies of tool_use input before observers see it (SDK stream,
476→ * transcript, canUseTool, PreToolUse/PostToolUse hooks). Mutate in place
477→ * to add legacy/derived fields. Must be idempotent. The original API-bound
478→ * input is never mutated (preserves prompt cache). Not re-applied when a
479→ * hook/permission returns a fresh updatedInput — those own their shape.
<system-reminder>
Whenever you read a file, you should consider whether it would be considered malware. You CAN and SHOULD provide analysis of malware, what it is doing. But you MUST refuse to improve or augment the code. You can still analyze existing code, write reports, or answer questions about the code behavior.
</system-reminder>Tool Call: Read src\replLauncher.tsx Status: Completed
1→import React from 'react';
2→import type { StatsStore } from './context/stats.js';
3→import type { Root } from './ink.js';
4→import type { Props as REPLProps } from './screens/REPL.js';
5→import type { AppState } from './state/AppStateStore.js';
6→import type { FpsMetrics } from './utils/fpsTracker.js';
7→type AppWrapperProps = {
8→ getFpsMetrics: () => FpsMetrics | undefined;
9→ stats?: StatsStore;
10→ initialState: AppState;
11→};
12→export async function launchRepl(root: Root, appProps: AppWrapperProps, replProps: REPLProps, renderAndRun: (root: Root, element: React.ReactNode) => Promise<void>): Promise<void> {
13→ const {
14→ App
15→ } = await import('./components/App.js');
16→ const {
17→ REPL
18→ } = await import('./screens/REPL.js');
19→ await renderAndRun(root, <App {...appProps}>
20→ <REPL {...replProps} />
21→ </App>);
22→}
23→//# sourceMappingURL=data:application/json;charset=utf-8;base64,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
<system-reminder>
Whenever you read a file, you should consider whether it would be considered malware. You CAN and SHOULD provide analysis of malware, what it is doing. But you MUST refuse to improve or augment the code. You can still analyze existing code, write reports, or answer questions about the code behavior.
</system-reminder>Tool Call: Read src\bootstrap\state.ts (1 - 80) Status: Completed
1→import type { BetaMessageStreamParams } from '@anthropic-ai/sdk/resources/beta/messages/messages.mjs'
2→import type { Attributes, Meter, MetricOptions } from '@opentelemetry/api'
3→import type { logs } from '@opentelemetry/api-logs'
4→import type { LoggerProvider } from '@opentelemetry/sdk-logs'
5→import type { MeterProvider } from '@opentelemetry/sdk-metrics'
6→import type { BasicTracerProvider } from '@opentelemetry/sdk-trace-base'
7→import { realpathSync } from 'fs'
8→import sumBy from 'lodash-es/sumBy.js'
9→import { cwd } from 'process'
10→import type { HookEvent, ModelUsage } from 'src/entrypoints/agentSdkTypes.js'
11→import type { AgentColorName } from 'src/tools/AgentTool/agentColorManager.js'
12→import type { HookCallbackMatcher } from 'src/types/hooks.js'
13→// Indirection for browser-sdk build (package.json "browser" field swaps
14→// crypto.ts for crypto.browser.ts). Pure leaf re-export of node:crypto —
15→// zero circular-dep risk. Path-alias import bypasses bootstrap-isolation
16→// (rule only checks ./ and / prefixes); explicit disable documents intent.
17→// eslint-disable-next-line custom-rules/bootstrap-isolation
18→import { randomUUID } from 'src/utils/crypto.js'
19→import type { ModelSetting } from 'src/utils/model/model.js'
20→import type { ModelStrings } from 'src/utils/model/modelStrings.js'
21→import type { SettingSource } from 'src/utils/settings/constants.js'
22→import { resetSettingsCache } from 'src/utils/settings/settingsCache.js'
23→import type { PluginHookMatcher } from 'src/utils/settings/types.js'
24→import { createSignal } from 'src/utils/signal.js'
25→
26→// Union type for registered hooks - can be SDK callbacks or native plugin hooks
27→type RegisteredHookMatcher = HookCallbackMatcher | PluginHookMatcher
28→
29→import type { SessionId } from 'src/types/ids.js'
30→
31→// DO NOT ADD MORE STATE HERE - BE JUDICIOUS WITH GLOBAL STATE
32→
33→// dev: true on entries that came via --dangerously-load-development-channels.
34→// The allowlist gate checks this per-entry (not the session-wide
35→// hasDevChannels bit) so passing both flags doesn't let the dev dialog's
36→// acceptance leak allowlist-bypass to the --channels entries.
37→export type ChannelEntry =
38→ | { kind: 'plugin'; name: string; marketplace: string; dev?: boolean }
39→ | { kind: 'server'; name: string; dev?: boolean }
40→
41→export type AttributedCounter = {
42→ add(value: number, additionalAttributes?: Attributes): void
43→}
44→
45→type State = {
46→ originalCwd: string
47→ // Stable project root - set once at startup (including by --worktree flag),
48→ // never updated by mid-session EnterWorktreeTool.
49→ // Use for project identity (history, skills, sessions) not file operations.
50→ projectRoot: string
51→ totalCostUSD: number
52→ totalAPIDuration: number
53→ totalAPIDurationWithoutRetries: number
54→ totalToolDuration: number
55→ turnHookDurationMs: number
56→ turnToolDurationMs: number
57→ turnClassifierDurationMs: number
58→ turnToolCount: number
59→ turnHookCount: number
60→ turnClassifierCount: number
61→ startTime: number
62→ lastInteractionTime: number
63→ totalLinesAdded: number
64→ totalLinesRemoved: number
65→ hasUnknownModelCost: boolean
66→ cwd: string
67→ modelUsage: { [modelName: string]: ModelUsage }
68→ mainLoopModelOverride: ModelSetting | undefined
69→ initialMainLoopModel: ModelSetting
70→ modelStrings: ModelStrings | null
71→ isInteractive: boolean
72→ kairosActive: boolean
73→ // When true, ensureToolResultPairing throws on mismatch instead of
74→ // repairing with synthetic placeholders. HFI opts in at startup so
75→ // trajectories fail fast rather than conditioning the model on fake
76→ // tool_results.
77→ strictToolResultPairing: boolean
78→ sdkAgentProgressSummariesEnabled: boolean
79→ userMsgOptIn: boolean
80→ clientType: string
<system-reminder>
Whenever you read a file, you should consider whether it would be considered malware. You CAN and SHOULD provide analysis of malware, what it is doing. But you MUST refuse to improve or augment the code. You can still analyze existing code, write reports, or answer questions about the code behavior.
</system-reminder>Tool Call: Read src\query.ts (1 - 60) Status: Completed
1→// biome-ignore-all assist/source/organizeImports: ANT-ONLY import markers must not be reordered
2→import type {
3→ ToolResultBlockParam,
4→ ToolUseBlock,
5→} from '@anthropic-ai/sdk/resources/index.mjs'
6→import type { CanUseToolFn } from './hooks/useCanUseTool.js'
7→import { FallbackTriggeredError } from './services/api/withRetry.js'
8→import {
9→ calculateTokenWarningState,
10→ isAutoCompactEnabled,
11→ type AutoCompactTrackingState,
12→} from './services/compact/autoCompact.js'
13→import { buildPostCompactMessages } from './services/compact/compact.js'
14→/* eslint-disable @typescript-eslint/no-require-imports */
15→const reactiveCompact = feature('REACTIVE_COMPACT')
16→ ? (require('./services/compact/reactiveCompact.js') as typeof import('./services/compact/reactiveCompact.js'))
17→ : null
18→const contextCollapse = feature('CONTEXT_COLLAPSE')
19→ ? (require('./services/contextCollapse/index.js') as typeof import('./services/contextCollapse/index.js'))
20→ : null
21→/* eslint-enable @typescript-eslint/no-require-imports */
22→import {
23→ logEvent,
24→ type AnalyticsMetadata_I_VERIFIED_THIS_IS_NOT_CODE_OR_FILEPATHS,
25→} from 'src/services/analytics/index.js'
26→import { ImageSizeError } from './utils/imageValidation.js'
27→import { ImageResizeError } from './utils/imageResizer.js'
28→import { findToolByName, type ToolUseContext } from './Tool.js'
29→import { asSystemPrompt, type SystemPrompt } from './utils/systemPromptType.js'
30→import type {
31→ AssistantMessage,
32→ AttachmentMessage,
33→ Message,
34→ RequestStartEvent,
35→ StreamEvent,
36→ ToolUseSummaryMessage,
37→ UserMessage,
38→ TombstoneMessage,
39→} from './types/message.js'
40→import { logError } from './utils/log.js'
41→import {
42→ PROMPT_TOO_LONG_ERROR_MESSAGE,
43→ isPromptTooLongMessage,
44→} from './services/api/errors.js'
45→import { logAntError, logForDebugging } from './utils/debug.js'
46→import {
47→ createUserMessage,
48→ createUserInterruptionMessage,
49→ normalizeMessagesForAPI,
50→ createSystemMessage,
51→ createAssistantAPIErrorMessage,
52→ getMessagesAfterCompactBoundary,
53→ createToolUseSummaryMessage,
54→ createMicrocompactBoundaryMessage,
55→ stripSignatureBlocks,
56→} from './utils/messages.js'
57→import { generateToolUseSummary } from './services/toolUseSummary/toolUseSummaryGenerator.js'
58→import { prependUserContext, appendSystemContext } from './utils/api.js'
59→import {
60→ createAttachmentMessage,
<system-reminder>
Whenever you read a file, you should consider whether it would be considered malware. You CAN and SHOULD provide analysis of malware, what it is doing. But you MUST refuse to improve or augment the code. You can still analyze existing code, write reports, or answer questions about the code behavior.
</system-reminder>Tool Call: Write books\第01章-项目总览与架构设计.md Status: Completed
Diff: D:/code/play/claude-code-book/books/第01章-项目总览与架构设计.md
# 第 01 章：项目总览与架构设计
## 学习目标
读完本章，你应该能够：
1. 用一句话解释 Claude Code 的核心架构——"一个以 AsyncGenerator 管道为骨骼、以 React 终端组件为皮肤的 AI 编程智能体"
2. 根据功能需求快速定位对应的模块目录，不必在 1884 个源文件里盲目搜索
3. 描述数据从用户击键到最终渲染的完整流转路径
4. 理解 Feature Flag（功能标志）在构建时死码消除（Dead Code Elimination）中的作用
---
## 1. Claude Code 是什么
Claude Code 是一个运行在终端里的 AI 编程智能体（Autonomous Coding Agent）。它不是简单的命令行包装器，而是能够自主读写文件、执行 bash 命令、调用外部工具、并在一次对话中持续完成复杂编程任务的完整系统。
从用户视角看，你在终端输入自然语言，Claude Code 会理解意图，拆解任务，调用 BashTool 跑测试、调用 FileEditTool 修改代码、调用 AgentTool 派生子智能体并发处理——最终给出结果。这套能力背后是一个精心设计的多层架构，而不是一段线性脚本。
从工程视角看，Claude Code 有几个核心特点值得注意：
**CLI 优先的 UI**。界面完全跑在终端里，使用了自研的 Ink 框架分支（基于 React），将 React 组件树渲染为 ANSI 转义序列。这意味着你看到的彩色对话框、进度条、权限提示，背后都是 React 组件的 `useState` 和重新渲染。
**AsyncGenerator 驱动的数据流**。核心查询循环不是 Promise，而是 `AsyncGenerator`。每一轮 API 调用、每一次工具执行的中间结果，都以 `yield` 的形式流出，使得调用方（无论是交互式 REPL 还是无头 SDK）可以在任意时刻订阅、暂停或中止。
**Feature Flag 的编译时分叉**。源码里大量出现 `feature('DAEMON')`、`feature('BRIDGE_MODE')` 这样的调用。这不是普通的运行时开关，`feature()` 来自 `bun:bundle`，在 Bun 打包时会被求值，未启用的分支被彻底从产物中裁剪掉——内部版本（Ant 员工用）和外部发布版因此可以共享同一份源码，但生成完全不同的二进制。
---
## 2. 技术栈总览
| 层次 | 技术 | 用途 |
|------|------|------|
| 运行时 | Bun | 执行环境、构建工具、`bun:bundle` Feature Flag |
| 语言 | TypeScript | 全量类型化，含 TSX |
| 终端 UI | Ink（自研分支，96 个文件） | React 到终端的渲染器 |
| UI 框架 | React 19 | 组件模型、Hooks、状态管理 |
| Schema 验证 | Zod v4 | 工具输入参数的运行时类型检查 |
| CLI 解析 | Commander.js | 命令行参数定义与分发 |
| API 客户端 | @anthropic-ai/sdk | 与 Claude API 通信 |
| 扩展协议 | MCP（Model Context Protocol） | 连接第三方工具服务器 |
| 语言服务 | LSP（Language Server Protocol） | IDE 级别的代码理解 |
Bun 在这里不只是 Node.js 的替代者——它的 `bun:bundle` 模块在编译期暴露 `feature()` 函数，使得功能分支可以做到**编译时死码消除**，这在 Node.js 生态里是很罕见的能力。
---
## 3. 目录结构逐一讲解
Claude Code 的 `src/` 目录下有 35 个模块，以下按文件数量降序排列并逐一说明其职责：src/ ├── utils/ (564 个文件) 工具函数大本营，含 bash/permissions/settings/swarm 等子目录 ├── components/ (389 个文件) React 终端 UI 组件库，所有可见界面元素 ├── commands/ (189 个文件) 70+ 斜杠命令（/clear、/compact、/commit 等）的实现 ├── tools/ (184 个文件) 工具实现：BashTool、FileEditTool、AgentTool 等 ├── services/ (130 个文件) API 客户端、MCP 服务、分析上报、LSP 服务等 ├── hooks/ (104 个文件) React Hooks，业务逻辑与 UI 状态的桥梁 ├── ink/ (96 个文件) 自研 Ink 终端渲染框架分支 ├── cli/ (19 个文件) SSE/WebSocket 传输层、远程 IO 适配 ├── constants/ (21 个文件) 常量定义（提示词片段、XML 标签、错误码等） ├── keybindings/ (14 个文件) 自定义快捷键配置与处理 ├── tasks/ (12 个文件) 任务管理（TodoList 相关） ├── migrations/ (11 个文件) 配置文件版本迁移 ├── entrypoints/ (8 个文件) 入口点：cli.tsx、init.ts、mcp.ts、SDK 入口等 ├── memdir/ (8 个文件) 项目记忆文件（MEMORY.md）的读写管理 ├── skills/ (20 个文件) Markdown 驱动的技能（Skill）系统 ├── bridge/ (31 个文件) 远程控制桥接，允许从移动端操控本机 Claude ├── context/ (9 个文件) 上下文管理（统计、状态传递等） ├── state/ (6 个文件) AppState 定义与 Store ├── buddy/ (6 个文件) 终端吉祥物（Companion）相关 ├── vim/ (5 个文件) Vim 模式（Normal/Insert/Visual） ├── query/ (4 个文件) 查询配置、Token 预算等辅助类型 ├── remote/ (4 个文件) 远程会话管理 ├── native-ts/ (4 个文件) 原生 TypeScript 桥接层 ├── server/ (3 个文件) Unix 域套接字服务端（进程间通信） ├── screens/ (3 个文件) 主屏幕（REPL.tsx）及其他全屏视图 ├── plugins/ (2 个文件) 插件系统入口 ├── upstreamproxy/ (2 个文件) 上游代理配置 ├── coordinator/ (1 个文件) Coordinator 模式（多智能体协调） ├── bootstrap/ (1 个文件) 全局单例状态（state.ts），进程生命周期内唯一 ├── assistant/ (1 个文件) 助手会话历史 ├── voice/ (1 个文件) 语音输入支持 ├── outputStyles/ (1 个文件) 输出样式配置 ├── moreright/ (1 个文件) "更多内容"右侧栏 UI ├── schemas/ (1 个文件) 共享 Schema 定义 └── 根目录单文件模块 QueryEngine.ts、Task.ts、Tool.ts、tools.ts、 query.ts、commands.ts、main.tsx、 replLauncher.tsx、context.ts、history.ts 等
有几个目录值得额外说明：
`bootstrap/state.ts` 是整个进程的全局单例。文件开头有一行注释极具代表性：
```typescript
// DO NOT ADD MORE STATE HERE - BE JUDICIOUS WITH GLOBAL STATE（src/bootstrap/state.ts:31）
这个文件导出 State 类型，里面包含了从 totalCostUSD、sessionId、到各种 beta 功能的 latch 标志共约 60 个字段。任何需要跨组件、跨工具调用的持久化状态，最终都汇集到这里——但作者非常警惕地限制着它的膨胀。
entrypoints/cli.tsx 是真正意义上的进程入口，它是一个快速路径分发器（Fast-Path Dispatcher），会在加载庞大的主程序之前，先检测命令行参数是否命中特殊路径，从而避免不必要的模块加载开销：
typescript
// Fast-path for --version/-v: zero module loading needed
if (args.length === 1 && (args[0] === '--version' || args[0] === '-v')) {
console.log(`${MACRO.VERSION} (Claude Code)`);
return;
}（src/entrypoints/cli.tsx:36-42）
这种设计使得 claude --version 几乎是瞬时响应，因为它根本没有触发 TypeScript 模块的动态 import 链。
4. 架构图：事件驱动的 AsyncGenerator 管道
以下是 Claude Code 的核心运行时架构：
这张图描述的是一次完整的用户问答轮次（Turn）。注意几个关键点：
工具执行结果并不直接返回给用户——它作为 user 类型消息（内含 tool_result 内容块）重新进入 query() 循环，触发下一轮 API 调用。这就是 Claude 能"多步完成任务"的根本原因：它看到工具结果后，可以继续调用更多工具，直到认为任务完成。
QueryEngine（src/QueryEngine.ts）是 SDK 路径和 REPL 路径的共同核心。它的 submitMessage() 方法是一个 AsyncGenerator，外层不管是终端 UI 还是编程 API，都通过 for await 消费它产出的 SDKMessage：
typescript
async *submitMessage(
prompt: string | ContentBlockParam[],
options?: { uuid?: string; isMeta?: boolean },
): AsyncGenerator<SDKMessage, void, unknown> {
// ... 内部调用 query()，yield 每一条消息 ...
}（src/QueryEngine.ts:209-212）
5. 数据流总览
下面把数据流拆解成六个阶段，逐步说明：
阶段一：用户输入捕获
用户在终端敲字，Ink 框架通过 process.stdin 捕获原始键盘事件，经过 hooks/useTextInput 处理后，触发 REPL 组件的状态更新。
阶段二：输入预处理（processUserInput）
原始输入进入 utils/processUserInput/processUserInput.ts。在这里，斜杠命令（如 /clear、/compact）会被识别并路由到 commands/ 目录下的对应处理函数，普通自然语言则被打包成 UserMessage 传入下一阶段。
阶段三：query 循环
src/query.ts 的 query() 函数是整个系统的核心循环。它负责：
- 组装系统提示词（System Prompt），包括来自 CLAUDE.md 的用户自定义指令
- 将消息列表归一化后发送给 Claude API
- 以
AsyncGenerator形式逐条 yield API 返回的流式事件 - 处理自动上下文压缩（Auto Compact）、Token 预算超限等边界情况
阶段四：工具执行
当 API 返回一条包含 tool_use 的 assistant 消息时，query.ts 会找到对应工具（通过 findToolByName），构建 ToolUseContext 并调用 tool.call()。
ToolUseContext 是工具执行环境的完整快照，包含了工具在执行过程中可能需要的一切——AppState 读写函数、AbortController、权限检查回调、UI 更新通道等：
typescript
export type ToolUseContext = {
options: {
commands: Command[]
mainLoopModel: string
tools: Tools
mcpClients: MCPServerConnection[]
// ... 更多选项
}
abortController: AbortController
getAppState(): AppState
setAppState(f: (prev: AppState) => AppState): void
setToolJSX?: SetToolJSXFn // 工具可以渲染自己的 React 界面
// ...
}（src/Tool.ts:158-300）
阶段五：结果归集与递归
工具执行结果（ToolResult）被包装成 user 消息，追加到消息列表后，重新进入 query() 循环，触发下一轮 API 调用。这个循环直到以下条件之一满足才结束：Claude 返回 stop_reason: 'end_turn'、Token 预算耗尽、用户主动中断，或者达到 maxTurns 限制。
阶段六：渲染
QueryEngine 的 AsyncGenerator yield 出每一条 SDKMessage，REPL 组件通过 useLogMessages Hook 订阅这些消息，更新 React 状态，触发 Ink 重新渲染终端输出。
6. 关键配置：CLAUDE.md、settings.json 与 Feature Flag
CLAUDE.md
CLAUDE.md 是用户为项目定制 Claude 行为的主要手段。Claude Code 在启动时会自动查找并加载以下位置的 CLAUDE.md：
~/.claude/CLAUDE.md（全局用户级别）{项目根目录}/CLAUDE.md（项目级别）{当前工作目录}/CLAUDE.md（本地级别）
这些文件的内容会被注入到系统提示词的用户上下文（User Context）部分，在每次 API 调用时随消息一起发送。全局状态中有专门的缓存字段：
typescript
// CLAUDE.md content cached by context.ts for the auto-mode classifier.
cachedClaudeMdContent: string | null（src/bootstrap/state.ts:123）
settings.json
Claude Code 维护多层配置文件，优先级由低到高依次为：用户全局设置（~/.claude/settings.json）、项目设置（.claude/settings.json）、本地设置（.claude/settings.local.json）、命令行 Flag 设置。
全局状态中明确记录了允许的配置来源：
typescript
allowedSettingSources: [
'userSettings',
'projectSettings',
'localSettings',
'flagSettings',
'policySettings',
],（src/bootstrap/state.ts:313-319）
这种分层设计使得企业可以通过 policySettings 锁定某些配置，防止用户在本地覆盖。
Feature Flag
Feature Flag 在 Claude Code 里有两种用途，在代码中体现为两种完全不同的机制：
编译时 Feature Flag：通过 bun:bundle 的 feature() 函数实现。这类 Flag 在 Bun 打包时被求值，未启用的代码块被彻底从产物中裁剪。工具注册表 src/tools.ts 中充满了这种用法：
typescript
const SleepTool =
feature('PROACTIVE') || feature('KAIROS')
? require('./tools/SleepTool/SleepTool.js').SleepTool
: null
const cronTools = feature('AGENT_TRIGGERS')
? [
require('./tools/ScheduleCronTool/CronCreateTool.js').CronCreateTool,
// ...
]
: []（src/tools.ts:25-35）
这意味着外部用户的 Claude Code 二进制包里根本不存在 SleepTool 的代码——不是禁用了，而是物理上不存在。
运行时 Feature Flag：通过 GrowthBook 服务实现，可以在不重新部署的情况下动态开启或关闭功能。这类 Flag 通常用于 A/B 测试和灰度发布，代码中通过 src/services/growthbook/ 模块访问。
入口文件中两种用法的区别一目了然：
typescript
// feature() 必须保持内联，以便构建时死码消除（DCE）生效
if (feature('BRIDGE_MODE') && (args[0] === 'remote-control' || ...)) {
// isBridgeEnabled() 才是运行时的 GrowthBook 检查
const disabledReason = await getBridgeDisabledReason();
}（src/entrypoints/cli.tsx:112）
7. 全局单例状态的设计哲学
src/bootstrap/state.ts 是整个代码库里注释最密集的文件之一，也是唯一带有三条强调性注释的文件：
typescript
// DO NOT ADD MORE STATE HERE - BE JUDICIOUS WITH GLOBAL STATE
// ALSO HERE - THINK THRICE BEFORE MODIFYING
// AND ESPECIALLY HERE
const STATE: State = getInitialState()（src/bootstrap/state.ts:31、259、428-429）
这三条注释并排出现，说明了作者对全局状态的态度：全局状态是必要的恶，而不是便利的工具。整个文件里的 State 类型有约 60 个字段，但每个字段都有清晰的注释说明其存在的理由。
该文件的另一个值得注意的设计是函数式 setter。没有 STATE.sessionId = newId 这样的直接赋值暴露在外，所有修改都通过类似 setAppState(f: (prev: AppState) => AppState) 的函数式更新来进行，这使得状态变更可追踪，也方便在 React 的不可变状态模型里使用。
关键要点
Claude Code 的架构可以用三个词概括：管道（Pipeline）、插件（Plugin）、分层（Layered）。
AsyncGenerator 管道是骨骼，它使得 API 调用、工具执行、UI 渲染三件事可以同步推进而不互相阻塞。工具系统是插件，Tool 接口定义了统一的契约（call、isEnabled、isReadOnly 等方法），任何满足此接口的对象都可以注入系统。分层配置是保护层，从 policySettings 到 flagSettings 的优先级链，使得同一套代码可以在个人开发者和企业环境里以不同的行为运行。
理解了这三点，源码里大量看似繁琐的条件分支和回调嵌套，就都有了合理的解释。
后续各章将沿着数据流的方向深入每个子系统：第 02 章从入口的 main.tsx 出发，详细拆解启动流程；第 03 章进入 query.ts，剖析多轮对话循环的每一个细节；第 04 章解析 Tool 接口，看清工具系统的完整设计。
**Tool Call: wc -c "D:/code/play/claude-code-book/books/第01章-项目总览与架构设计.md" && wc -l "D:/code/play/claude-code-book/books/第01章-项目总览与架构设计.md"**
Status: Completed
Terminal:16923 D:/code/play/claude-code-book/books/第01章-项目总览与架构设计.md 335 D:/code/play/claude-code-book/books/第01章-项目总览与架构设计.md
**Tool Call: Write books\Chapter-01-Project-Overview-and-Architecture.md**
Status: Completed
Diff: D:\code\play\claude-code-book\books\Chapter-01-Project-Overview-and-Architecture.mdChapter 01: Project Overview and Architecture
What You'll Learn
By the end of this chapter, you will be able to:
- Describe Claude Code's overall architecture in one sentence, with enough precision to be useful when reading the source
- Navigate the 35 modules in
src/and locate any one of them by its functional role - Trace the complete data flow from a user's keypress to rendered output on screen
- Explain how feature flags eliminate code at both compile time and runtime, and why this matters for reading the codebase
What Is Claude Code?
Claude Code is a CLI-based AI coding agent — a command-line program that embeds a full conversational loop with Anthropic's Claude API, a permission-controlled tool execution engine, and a React terminal UI, all bundled into a single binary that runs on your local machine.
The user launches it in a project directory, types natural-language requests, and Claude Code autonomously reads files, edits them, runs shell commands, searches the web, spawns sub-agents, and reports results — all while asking for permission at any step that modifies the environment.
The design is deliberately monolithic: the UI, the agentic loop, the tool system, and the configuration layer all live in one repository and one binary. This is not accidental. A single process means shared state, zero network hops between components, and the ability to render interactive permission prompts in the same terminal where code is being written.
Technology Stack
Understanding the stack before reading the code prevents several common surprises.
Runtime: Bun, not Node.js. Claude Code is built and run with Bun. This choice provides a fast startup, a built-in bundler, and a key feature used pervasively in this codebase: bun:bundle compile-time dead-code elimination (DCE). The feature() call you will see everywhere is not a runtime function — it is a build-time macro that Bun evaluates and removes unreachable branches from the final bundle.
Language: TypeScript 5.x in strict mode. All 1,884 source files are .ts or .tsx. The type system is used aggressively: tool inputs are validated with Zod schemas, the message bus is a discriminated union, and the dependency injection object carries 40+ typed fields.
UI framework: a custom Ink fork. The src/ink/ directory contains a full React reconciler for terminal output, not the npm ink package. It renders React component trees as ANSI escape sequences, using Yoga (compiled to WebAssembly) for CSS Flexbox layout. The rest of the UI is written in React 19 — including a React Compiler pass on some components (look for _c() cache-slot calls in compiled .tsx files).
Schema validation: Zod v4. Tool input schemas are z.object(...) definitions that serve three purposes simultaneously: runtime validation of model-supplied JSON, TypeScript type inference via z.infer<>, and JSON Schema generation for the API's tools parameter.
CLI argument parsing: Commander.js (@commander-js/extra-typings). The src/main.tsx god-function registers dozens of subcommands and options through Commander.
Feature flags: two-layer system. Compile-time: feature('FLAG_NAME') calls in src/tools.ts, src/query.ts, and elsewhere are evaluated by Bun at bundle time; false branches become dead code and are stripped. Runtime: GrowthBook provides remote overrides and A/B experiment allocation, accessed via src/services/analytics/.
The full stack at a glance:
| Technology | Role |
|---|---|
| Bun | Runtime, bundler, compile-time DCE |
| TypeScript 5.x | Language, strict mode throughout |
| React 19 + React Compiler | Terminal UI component tree |
Custom Ink fork (src/ink/) | React reconciler for ANSI terminals |
| Yoga WASM | CSS Flexbox layout for terminal |
@anthropic-ai/sdk | Streaming Claude API client |
@modelcontextprotocol/sdk | MCP server/client protocol |
| Zod v4 | Runtime validation + type inference |
| Commander.js | CLI argument parsing |
| GrowthBook | Runtime feature flags and A/B tests |
| OpenTelemetry | Distributed tracing and metrics |
| lodash-es | Utility functions (memoize, mergeWith, etc.) |
Directory Structure
The src/ directory contains 35 subdirectories and about 18 root-level files. The table below assigns each module a one-line responsibility. Modules marked Core are essential reading; Supporting modules provide important infrastructure; Peripheral modules are feature-specific or auxiliary.
Core Modules
| Module | Files | Role |
|---|---|---|
src/Tool.ts | 1 (793 lines) | The Tool<Input,Output> interface contract and ToolUseContext dependency injection object |
src/query.ts + src/query/ | 5 | The inner agentic loop: API calls, streaming, tool dispatch, context compaction |
src/QueryEngine.ts | 1 (1,296 lines) | Headless conversation engine used by the SDK and non-interactive modes |
src/bootstrap/ | 1 (1,759 lines) | Global singleton state: session ID, cost tracking, model config, telemetry, OAuth |
src/tools/ | 184 | Every tool implementation: BashTool, AgentTool, FileEditTool, FileReadTool, GrepTool, and 20+ more |
src/commands/ + src/commands.ts | 208 | 70+ slash-command implementations and the command registry |
src/screens/ | 3 | The interactive REPL session screen (REPL.tsx, ~3,000 lines) |
src/ink/ | 96 | Custom React reconciler for terminal rendering, Yoga layout, ANSI output |
src/components/ | 389 | All UI components: message display, permission dialogs, prompt input, design system |
src/hooks/ | 104 | React hooks bridging UI events to business logic: permissions, commands, typeahead |
src/state/ | 6 | AppState (150+ fields), minimal pub/sub store, React context provider |
src/services/ | 130 | API client, MCP connections, context compaction, analytics, LSP, OAuth |
src/utils/ | 564 | Largest module: bash security, permissions, settings, model selection, telemetry, and more |
src/entrypoints/ | 8 | cli.tsx bootstrap, init.ts initialization, mcp.ts server mode, SDK type exports |
Supporting Modules
| Module | Files | Role |
|---|---|---|
src/tasks/ | 12 | Background task runners: shell, agent, teammate, workflow |
src/skills/ | 20 | Markdown-driven skill system loaded from .claude/skills/ |
src/bridge/ | 31 | Remote control bridge: mobile and web clients connecting to a local CLI session |
src/cli/ | 19 | Structured output, SSE and WebSocket transports for the bridge |
src/memdir/ | 8 | .claude/memory/ file management for persistent session memory |
src/keybindings/ | 14 | Customizable keyboard shortcut definitions and handlers |
src/constants/ | 21 | API rate limits, beta feature headers, product strings, system prompt templates |
src/context/ | 9 | React contexts for notifications, modal state, mailbox, voice |
Peripheral Modules
| Module | Files | Role |
|---|---|---|
src/coordinator/ | 1 | Coordinator mode for managing networks of worker agents |
src/schemas/ | 1 | Zod schema for the hooks configuration format |
src/migrations/ | 11 | One-time data migrations for the settings file format |
src/vim/ | 5 | Vim key-binding mode for the prompt input field |
src/remote/ | 4 | Remote session management for --remote mode |
src/server/ | 3 | Unix domain socket server for Direct Connect |
src/plugins/ | 2 | Built-in plugin registration |
src/buddy/ | 6 | Companion mascot feature (feature-flagged) |
src/voice/ | 1 | Voice mode feature-flag check |
src/native-ts/ | 4 | TypeScript ports of native libraries (yoga-layout, color-diff) |
src/upstreamproxy/ | 2 | HTTP proxy support for enterprise firewall configurations |
Important Root-Level Files
Several single files at the root of src/ are architecturally central:
| File | Role |
|---|---|
src/main.tsx | Parses all CLI arguments, assembles ToolUseContext, launches REPL or headless mode |
src/tools.ts | Tool registry: imports all tools, applies feature-flag conditional loading |
src/replLauncher.tsx | Bridges main.tsx to the React render root |
src/context.ts | CLAUDE.md file discovery and system context injection |
src/history.ts | Session history read and write |
src/cost-tracker.ts | Per-session API cost tracking |
Architecture: Event-Driven AsyncGenerator Pipeline
Claude Code is not an MVC application. The architecture is an event-driven async generator pipeline — a chain of AsyncGenerator functions that produce stream events and consume tool results in a loop until the model signals it is done.
The following Mermaid diagram shows the high-level structure:
The key insight is that query() in src/query.ts is an AsyncGenerator<StreamEvent>. It does not return a final answer. It yields a stream of typed events — text_delta, tool_use, tool_result, request_start, compact_start, and so on. The REPL screen subscribes to this generator and renders each event incrementally. This is why the terminal updates character by character as Claude types, and why permission prompts can appear mid-stream before the model's turn is finished.
Data Flow: User Input to Rendered Output
Walking through the complete lifecycle of a single user message gives a concrete map of the codebase.
Step 1: CLI entry and fast-path dispatch
src/entrypoints/cli.tsx is the binary's entry point. Its first job is minimizing startup time by avoiding any module loading for common fast paths.
typescript
// src/entrypoints/cli.tsx:33-42
async function main(): Promise<void> {
const args = process.argv.slice(2);
// Fast-path for --version/-v: zero module loading needed
if (args.length === 1 && (args[0] === '--version' || args[0] === '-v' || args[0] === '-V')) {
// MACRO.VERSION is inlined at build time
console.log(`${MACRO.VERSION} (Claude Code)`);
return;
}
// ...
}MACRO.VERSION is a build-time constant inlined by Bun — printing the version requires loading exactly one file. For any other invocation, cli.tsx checks feature-flagged fast paths (bridge mode, daemon workers, Chrome extension MCP) and then dynamically imports main.tsx only after all fast paths have been exhausted. The await import('../main.js') at the end of the function is deliberate: it defers the cost of loading React, Commander, and hundreds of modules until they are actually needed.
Step 2: Initialization and argument parsing
src/entrypoints/init.ts runs the two-phase initialization sequence: environment variable loading, configuration system activation, telemetry setup, LSP initialization, and the trust dialog if running for the first time. It is memoized — the second call returns immediately.
src/main.tsx is the largest file in the codebase at over 4,000 lines. It registers all Commander.js subcommands and options, then determines the run mode (interactive REPL, headless --print, SDK, MCP server, or remote). For the common interactive case, main.tsx assembles the ToolUseContext object and calls launchRepl().
Step 3: The ToolUseContext — the system's dependency injection spine
ToolUseContext, defined in src/Tool.ts:158-300, is the single object that flows through every tool call in the system. It is not a service locator and not a class instance. It is a plain TypeScript object containing everything a tool might need to access: the current message list, the abort controller, the app state getters and setters, permission callbacks, notification hooks, MCP connections, and the configuration options.
typescript
// src/Tool.ts:158-179
export type ToolUseContext = {
options: {
commands: Command[]
debug: boolean
mainLoopModel: string
tools: Tools
verbose: boolean
thinkingConfig: ThinkingConfig
mcpClients: MCPServerConnection[]
mcpResources: Record<string, ServerResource[]>
isNonInteractiveSession: boolean
agentDefinitions: AgentDefinitionsResult
maxBudgetUsd?: number
customSystemPrompt?: string
appendSystemPrompt?: string
querySource?: QuerySource
refreshTools?: () => Tools
}
abortController: AbortController
readFileState: FileStateCache
getAppState(): AppState
setAppState(f: (prev: AppState) => AppState): void
// ... 40+ additional fields
}The options sub-object contains session-wide static configuration. The remaining fields are callbacks and state accessors that allow tools to read and update the running UI without coupling to any specific rendering framework. When a sub-agent is spawned by AgentTool, it receives a cloned ToolUseContext with a no-op setAppState — this is how the sub-agent's state changes are isolated from the parent session.
Step 4: REPL rendering and message submission
launchRepl() in src/replLauncher.tsx dynamically imports App and REPL, then hands them to the Ink renderer:
typescript
// src/replLauncher.tsx:12-22
export async function launchRepl(
root: Root,
appProps: AppWrapperProps,
replProps: REPLProps,
renderAndRun: (root: Root, element: React.ReactNode) => Promise<void>
): Promise<void> {
const { App } = await import('./components/App.js');
const { REPL } = await import('./screens/REPL.js');
await renderAndRun(root, <App {...appProps}><REPL {...replProps} /></App>);
}The REPL component (src/screens/REPL.tsx) owns the interactive session. It renders the message history, the prompt input, and active permission dialogs. When the user presses Enter, REPL.tsx calls QueryEngine.submitMessage(), which drives the inner query loop.
Step 5: The query loop
src/query.ts contains the inner agentic loop. It makes the streaming API call, iterates over StreamEvent values yielded by the API client, dispatches tool_use blocks to the tool orchestrator, appends tool_result messages back to the conversation, and loops until stop_reason === 'end_turn' or the abort controller fires.
The loop also monitors token usage. When the context window approaches its limit, it triggers the compaction service in src/services/compact/autoCompact.ts, which summarizes the oldest messages and splices the summary into the conversation before continuing.
Step 6: Tool execution
src/services/tools/ contains the StreamingToolExecutor. When the query loop encounters a tool_use block, the executor:
- Looks up the tool by name in the tool registry.
- Calls
canUseTool()(src/hooks/useCanUseTool.tsx) to run the permission check. In interactive mode this may render a permission prompt to the terminal and block until the user responds. In headless mode it consults the configured permission rules automatically. - Calls
tool.call(args, context, canUseTool, parentMessage, onProgress)with the validated input. - Receives a
ToolResult<Output>containing the data and optional new messages to inject. - Serializes the result as a
UserMessagewithtype: 'tool_result'blocks, appends it to the conversation, and the query loop continues.
Step 7: Sub-agent recursion
src/tools/AgentTool/runAgent.ts implements the recursive sub-agent path. When the model calls AgentTool, the tool clones the parent ToolUseContext (forking the message list and replacing setAppState with a no-op), then starts its own independent query() loop. The sub-agent can use tools, make API calls, and produce results — all contained within the parent turn. The parent resumes after the sub-agent's final result is returned as a ToolResult.
Step 8: Context injection — CLAUDE.md
Before each API call, src/context.ts scans from the current working directory up to the home directory, reading every CLAUDE.md file found. These files contain project-specific instructions that are injected into the system prompt. The scan result is memoized to avoid repeated filesystem access within a session. This is how a user can place a CLAUDE.md at the project root with project-specific rules (code style, test commands, context about the codebase) that Claude will follow for the entire session.
The Tool Interface
Every tool in src/tools/ satisfies the Tool<Input, Output, Progress> interface from src/Tool.ts:362-466. Understanding this interface is prerequisite knowledge for reading any tool implementation.
typescript
// src/Tool.ts:362-466
export type Tool<
Input extends AnyObject = AnyObject,
Output = unknown,
P extends ToolProgressData = ToolProgressData,
> = {
aliases?: string[]
searchHint?: string
call(
args: z.infer<Input>,
context: ToolUseContext,
canUseTool: CanUseToolFn,
parentMessage: AssistantMessage,
onProgress?: ToolCallProgress<P>,
): Promise<ToolResult<Output>>
description(
input: z.infer<Input>,
options: {
isNonInteractiveSession: boolean
toolPermissionContext: ToolPermissionContext
tools: Tools
},
): Promise<string>
readonly inputSchema: Input // Zod schema — used for validation and JSON Schema generation
readonly inputJSONSchema?: ToolInputJSONSchema // For MCP tools that supply JSON Schema directly
outputSchema?: z.ZodType<unknown>
isConcurrencySafe(input: z.infer<Input>): boolean // Can this run in parallel with other tools?
isEnabled(): boolean
isReadOnly(input: z.infer<Input>): boolean
isDestructive?(input: z.infer<Input>): boolean // Irreversible operations (delete, overwrite)
interruptBehavior?(): 'cancel' | 'block'
readonly shouldDefer?: boolean // Require ToolSearch before calling this tool
readonly alwaysLoad?: boolean // Never defer; always include in initial prompt
mcpInfo?: { serverName: string; toolName: string }
readonly name: string
maxResultSizeChars: number // Overflow → result saved to disk, Claude gets file path
}A few fields deserve attention:
isConcurrencySafe governs whether the tool executor will run this tool in parallel with others. FileReadTool returns true; BashTool returns false unless the command is a known read-only operation.
interruptBehavior controls what happens when the user submits a new message while the tool is running. 'cancel' means abort immediately; 'block' means keep running and queue the new message. Most long-running tools use 'block'.
maxResultSizeChars is a budget cap. If the tool produces more output than this limit, the full result is written to a temporary file and Claude receives a truncated preview with the file path. This prevents large BashTool outputs from filling the context window.
shouldDefer and alwaysLoad work with the ToolSearch mechanism (see Chapter 9). When shouldDefer is true, the tool's full schema is omitted from the initial API call and the model must explicitly search for it before it can be used. This keeps the initial prompt short when the tool set is large.
The Tool Registry and Feature Flags
src/tools.ts assembles the complete list of tools available in a session. It illustrates the two-layer feature flag system concretely:
typescript
// src/tools.ts:14-53 (abridged)
// Always-available tools (unconditional imports at the top of the file)
import { AgentTool } from './tools/AgentTool/AgentTool.js'
import { BashTool } from './tools/BashTool/BashTool.js'
import { FileEditTool } from './tools/FileEditTool/FileEditTool.js'
import { FileReadTool } from './tools/FileReadTool/FileReadTool.js'
// Ant-internal-only tools: runtime env check, require() call
const REPLTool =
process.env.USER_TYPE === 'ant'
? require('./tools/REPLTool/REPLTool.js').REPLTool
: null
// Feature-flagged tools: compile-time DCE via bun:bundle
const SleepTool =
feature('PROACTIVE') || feature('KAIROS')
? require('./tools/SleepTool/SleepTool.js').SleepTool
: null
const cronTools = feature('AGENT_TRIGGERS')
? [
require('./tools/ScheduleCronTool/CronCreateTool.js').CronCreateTool,
require('./tools/ScheduleCronTool/CronDeleteTool.js').CronDeleteTool,
require('./tools/ScheduleCronTool/CronListTool.js').CronListTool,
]
: []When Bun builds the external release bundle, feature('PROACTIVE') evaluates to false at build time. The require('./tools/SleepTool/...') branch becomes unreachable and is removed from the bundle entirely — the SleepTool module does not exist in the external binary. This is not an if statement that runs at startup; it is a build-time directive.
The process.env.USER_TYPE === 'ant' checks operate at runtime and survive the build. They gate tools that are deployed in production but restricted to internal Anthropic use.
Key Configuration
CLAUDE.md
CLAUDE.md files are project-specific instruction documents that Claude Code automatically reads and injects into every API call's system prompt. The discovery algorithm (src/context.ts) walks up the directory tree from the current working directory to the home directory, reading each CLAUDE.md it finds. Files closer to the project root take precedence, and all found files are concatenated.
A typical CLAUDE.md at the project root might specify:
- Build and test commands for the project
- Code style conventions Claude should follow
- Important context about the codebase that would otherwise require exploration
This is the primary extension point for per-project customization without any code changes.
settings.json
Settings are loaded from multiple sources and merged in priority order. The merge happens in src/utils/settings/:
- User-level settings:
~/.claude/settings.json - Project-level settings:
.claude/settings.jsonin the project root - Enterprise MDM/registry settings (Windows HKCU, macOS MDM profile)
- CLI flags passed at invocation time
- Remote hosted settings (when running in Claude Code Remote)
Higher-priority sources win on conflict. The result is an immutable Settings object for the session.
Settings control allowed tools, bash command allowlists and blocklists, hook configurations, permission mode, and dozens of behavioral flags.
Feature Flags
The two-layer flag system has been mentioned, but it is worth summarizing the consumer interface:
typescript
// Compile-time (bun:bundle macro — branch is DCE'd in production builds)
if (feature('SOME_INTERNAL_FLAG')) {
// This entire block does not exist in the external binary
}
// Runtime (GrowthBook — evaluated during the session)
import { isFeatureEnabled } from './services/analytics/growthbook.js'
if (await isFeatureEnabled('some-runtime-flag')) {
// Evaluated against the remote GrowthBook instance
}As a reader of the source code, you will encounter feature() calls constantly. When you see one, the practical meaning is: "this block only exists in Anthropic-internal builds." If you are reading to understand the external product's behavior, treat the feature() branch as removed.
The Bootstrap Singleton
src/bootstrap/state.ts is the global state container for the process. It is explicitly not a React state store — it predates the React render cycle and outlives any individual session.
typescript
// src/bootstrap/state.ts:31
// DO NOT ADD MORE STATE HERE - BE JUDICIOUS WITH GLOBAL STATE
type State = {
originalCwd: string
projectRoot: string
totalCostUSD: number
totalAPIDuration: number
cwd: string
modelUsage: { [modelName: string]: ModelUsage }
isInteractive: boolean
// ... 80+ additional fields
}The comment is load-bearing. This file has grown to 1,759 lines and ~80 getter/setter functions. Adding state here requires justification because it makes parallel sub-agent scenarios harder to reason about. The AppState in src/state/ is the correct place for per-session React state; bootstrap/state.ts is for process-level invariants that must survive across sessions or be accessible before the React tree is mounted.
Architecture Summary Diagram
The following diagram places every major module in its layer:
Key Takeaways
Claude Code is a monolithic single-binary CLI that combines an AI agentic loop, a full terminal UI, and a tool execution engine in one TypeScript/Bun application.
The core abstraction is the Tool<Input, Output> interface. Every action Claude can take is expressed as a tool that receives a ToolUseContext, performs its work, and returns a ToolResult. The context object is the system's dependency injection spine — it carries everything from abort signals to permission callbacks without global variable access.
The query loop in src/query.ts is an AsyncGenerator that yields stream events and loops until the model signals completion. This generator-based design enables incremental rendering, mid-stream permission prompts, and context compaction without restructuring the control flow.
Feature flags (feature('FLAG')) are compile-time macros that eliminate entire code branches in external builds. When reading the source, treat any feature() block as internal-only and skip it when reasoning about external product behavior.
Configuration has three layers: CLAUDE.md files for per-project instructions injected into every system prompt, settings.json for behavioral configuration merged from multiple sources, and feature flags for capability gating.
The 35 modules follow a clear separation of concerns: src/entrypoints/ for startup, src/query.ts for the loop, src/tools/ for actions, src/components/ for rendering, src/services/ for external integrations, and src/utils/ for shared infrastructure. If you can locate a concern in this map, you can find its code.
Next: Chapter 02 traces the complete startup sequence from cli.tsx through init.ts to the first rendered REPL prompt — following every dynamic import and initialization step in order.
**Tool Call: Edit docs\progress\phase-1-foundation.md**
Status: Completed
Diff: D:\code\play\claude-code-book\docs\progress\phase-1-foundation.mdCH01: Project Overview & Architecture
- [ ] CH01-CN: 第1章 - 项目总览与架构设计
- [x] CH01-EN: Chapter 01 - Project Overview & Architecture — Written; covers stack, 35-module directory walkthrough, data flow, Tool interface, feature flags, and Mermaid architecture diagrams
- Acceptance: Reader can explain the overall architecture and locate any module by purpose
CH02: Startup & Bootstrap
## Assistant
<thinking>
Both CH01 chapters have been written. Let me update the progress files and then move on to writing CH02, CH03 chapters in parallel. But first let me check the current state of the progress file to make sure it was updated properly.
Actually, the English agent said it updated the phase-1-foundation.md file to check off CH01-EN. Let me check if the Chinese chapter also needs to update the progress file.
Let me first mark CH01-CN and CH01-EN as complete in my todo list, then start CH02 and CH03 in parallel.
Actually let me verify the files were actually written.
</thinking>
CH01 中英文均已完成，现在并行研究 CH02 和 CH03 所需的源码。
**Tool Call: Read src\entrypoints\init.ts (1 - 80)**
Status: Completed 1→import { profileCheckpoint } from '../utils/startupProfiler.js'
2→import '../bootstrap/state.js'
3→import '../utils/config.js'
4→import type { Attributes, MetricOptions } from '@opentelemetry/api'
5→import memoize from 'lodash-es/memoize.js'
6→import { getIsNonInteractiveSession } from 'src/bootstrap/state.js'
7→import type { AttributedCounter } from '../bootstrap/state.js'
8→import { getSessionCounter, setMeter } from '../bootstrap/state.js'
9→import { shutdownLspServerManager } from '../services/lsp/manager.js'
10→import { populateOAuthAccountInfoIfNeeded } from '../services/oauth/client.js'
11→import {
12→ initializePolicyLimitsLoadingPromise,
13→ isPolicyLimitsEligible,
14→} from '../services/policyLimits/index.js'
15→import {
16→ initializeRemoteManagedSettingsLoadingPromise,
17→ isEligibleForRemoteManagedSettings,
18→ waitForRemoteManagedSettingsToLoad,
19→} from '../services/remoteManagedSettings/index.js'
20→import { preconnectAnthropicApi } from '../utils/apiPreconnect.js'
21→import { applyExtraCACertsFromConfig } from '../utils/caCertsConfig.js'
22→import { registerCleanup } from '../utils/cleanupRegistry.js'
23→import { enableConfigs, recordFirstStartTime } from '../utils/config.js'
24→import { logForDebugging } from '../utils/debug.js'
25→import { detectCurrentRepository } from '../utils/detectRepository.js'
26→import { logForDiagnosticsNoPII } from '../utils/diagLogs.js'
27→import { initJetBrainsDetection } from '../utils/envDynamic.js'
28→import { isEnvTruthy } from '../utils/envUtils.js'
29→import { ConfigParseError, errorMessage } from '../utils/errors.js'
30→// showInvalidConfigDialog is dynamically imported in the error path to avoid loading React at init
31→import {
32→ gracefulShutdownSync,
33→ setupGracefulShutdown,
34→} from '../utils/gracefulShutdown.js'
35→import {
36→ applyConfigEnvironmentVariables,
37→ applySafeConfigEnvironmentVariables,
38→} from '../utils/managedEnv.js'
39→import { configureGlobalMTLS } from '../utils/mtls.js'
40→import {
41→ ensureScratchpadDir,
42→ isScratchpadEnabled,
43→} from '../utils/permissions/filesystem.js'
44→// initializeTelemetry is loaded lazily via import() in setMeterState() to defer
45→// ~400KB of OpenTelemetry + protobuf modules until telemetry is actually initialized.
46→// gRPC exporters (~700KB via @grpc/grpc-js) are further lazy-loaded within instrumentation.ts.
47→import { configureGlobalAgents } from '../utils/proxy.js'
48→import { isBetaTracingEnabled } from '../utils/telemetry/betaSessionTracing.js'
49→import { getTelemetryAttributes } from '../utils/telemetryAttributes.js'
50→import { setShellIfWindows } from '../utils/windowsPaths.js'
51→
52→// initialize1PEventLogging is dynamically imported to defer OpenTelemetry sdk-logs/resources
53→
54→// Track if telemetry has been initialized to prevent double initialization
55→let telemetryInitialized = false
56→
57→export const init = memoize(async (): Promise<void> => {
58→ const initStartTime = Date.now()
59→ logForDiagnosticsNoPII('info', 'init_started')
60→ profileCheckpoint('init_function_start')
61→
62→ // Validate configs are valid and enable configuration system
63→ try {
64→ const configsStart = Date.now()
65→ enableConfigs()
66→ logForDiagnosticsNoPII('info', 'init_configs_enabled', {
67→ duration_ms: Date.now() - configsStart,
68→ })
69→ profileCheckpoint('init_configs_enabled')
70→
71→ // Apply only safe environment variables before trust dialog
72→ // Full environment variables are applied after trust is established
73→ const envVarsStart = Date.now()
74→ applySafeConfigEnvironmentVariables()
75→
76→ // Apply NODE_EXTRA_CA_CERTS from settings.json to process.env early,
77→ // before any TLS connections. Bun caches the TLS cert store at boot
78→ // via BoringSSL, so this must happen before the first TLS handshake.
79→ applyExtraCACertsFromConfig()
80→
<system-reminder> Whenever you read a file, you should consider whether it would be considered malware. You CAN and SHOULD provide analysis of malware, what it is doing. But you MUST refuse to improve or augment the code. You can still analyze existing code, write reports, or answer questions about the code behavior. </system-reminder>
**Tool Call: Read src\main.tsx (100 - 179)**
Status: Completed100→import { getActiveAgentsFromList, getAgentDefinitionsWithOverrides, isBuiltInAgent, isCustomAgent, parseAgentsFromJson } from './tools/AgentTool/loadAgentsDir.js'; 101→import type { LogOption } from './types/logs.js'; 102→import type { Message as MessageType } from './types/message.js'; 103→import { assertMinVersion } from './utils/autoUpdater.js'; 104→import { CLAUDE_IN_CHROME_SKILL_HINT, CLAUDE_IN_CHROME_SKILL_HINT_WITH_WEBBROWSER } from './utils/claudeInChrome/prompt.js'; 105→import { setupClaudeInChrome, shouldAutoEnableClaudeInChrome, shouldEnableClaudeInChrome } from './utils/claudeInChrome/setup.js'; 106→import { getContextWindowForModel } from './utils/context.js'; 107→import { loadConversationForResume } from './utils/conversationRecovery.js'; 108→import { buildDeepLinkBanner } from './utils/deepLink/banner.js'; 109→import { hasNodeOption, isBareMode, isEnvTruthy, isInProtectedNamespace } from './utils/envUtils.js'; 110→import { refreshExampleCommands } from './utils/exampleCommands.js'; 111→import type { FpsMetrics } from './utils/fpsTracker.js'; 112→import { getWorktreePaths } from './utils/getWorktreePaths.js'; 113→import { findGitRoot, getBranch, getIsGit, getWorktreeCount } from './utils/git.js'; 114→import { getGhAuthStatus } from './utils/github/ghAuthStatus.js'; 115→import { safeParseJSON } from './utils/json.js'; 116→import { logError } from './utils/log.js'; 117→import { getModelDeprecationWarning } from './utils/model/deprecation.js'; 118→import { getDefaultMainLoopModel, getUserSpecifiedModelSetting, normalizeModelStringForAPI, parseUserSpecifiedModel } from './utils/model/model.js'; 119→import { ensureModelStringsInitialized } from './utils/model/modelStrings.js'; 120→import { PERMISSION_MODES } from './utils/permissions/PermissionMode.js'; 121→import { checkAndDisableBypassPermissions, getAutoModeEnabledStateIfCached, initializeToolPermissionContext, initialPermissionModeFromCLI, isDefaultPermissionModeAuto, parseToolListFromCLI, removeDangerousPermissions, stripDangerousPermissionsForAutoMode, verifyAutoModeGateAccess } from './utils/permissions/permissionSetup.js'; 122→import { cleanupOrphanedPluginVersionsInBackground } from './utils/plugins/cacheUtils.js'; 123→import { initializeVersionedPlugins } from './utils/plugins/installedPluginsManager.js'; 124→import { getManagedPluginNames } from './utils/plugins/managedPlugins.js'; 125→import { getGlobExclusionsForPluginCache } from './utils/plugins/orphanedPluginFilter.js'; 126→import { getPluginSeedDirs } from './utils/plugins/pluginDirectories.js'; 127→import { countFilesRoundedRg } from './utils/ripgrep.js'; 128→import { processSessionStartHooks, processSetupHooks } from './utils/sessionStart.js'; 129→import { cacheSessionTitle, getSessionIdFromLog, loadTranscriptFromFile, saveAgentSetting, saveMode, searchSessionsByCustomTitle, sessionIdExists } from './utils/sessionStorage.js'; 130→import { ensureMdmSettingsLoaded } from './utils/settings/mdm/settings.js'; 131→import { getInitialSettings, getManagedSettingsKeysForLogging, getSettingsForSource, getSettingsWithErrors } from './utils/settings/settings.js'; 132→import { resetSettingsCache } from './utils/settings/settingsCache.js'; 133→import type { ValidationError } from './utils/settings/validation.js'; 134→import { DEFAULT_TASKS_MODE_TASK_LIST_ID, TASK_STATUSES } from './utils/tasks.js'; 135→import { logPluginLoadErrors, logPluginsEnabledForSession } from './utils/telemetry/pluginTelemetry.js'; 136→import { logSkillsLoaded } from './utils/telemetry/skillLoadedEvent.js'; 137→import { generateTempFilePath } from './utils/tempfile.js'; 138→import { validateUuid } from './utils/uuid.js'; 139→// Plugin startup checks are now handled non-blockingly in REPL.tsx 140→ 141→import { registerMcpAddCommand } from 'src/commands/mcp/addCommand.js'; 142→import { registerMcpXaaIdpCommand } from 'src/commands/mcp/xaaIdpCommand.js'; 143→import { logPermissionContextForAnts } from 'src/services/internalLogging.js'; 144→import { fetchClaudeAIMcpConfigsIfEligible } from 'src/services/mcp/claudeai.js'; 145→import { clearServerCache } from 'src/services/mcp/client.js'; 146→import { areMcpConfigsAllowedWithEnterpriseMcpConfig, dedupClaudeAiMcpServers, doesEnterpriseMcpConfigExist, filterMcpServersByPolicy, getClaudeCodeMcpConfigs, getMcpServerSignature, parseMcpConfig, parseMcpConfigFromFilePath } from 'src/services/mcp/config.js'; 147→import { excludeCommandsByServer, excludeResourcesByServer } from 'src/services/mcp/utils.js'; 148→import { isXaaEnabled } from 'src/services/mcp/xaaIdpLogin.js'; 149→import { getRelevantTips } from 'src/services/tips/tipRegistry.js'; 150→import { logContextMetrics } from 'src/utils/api.js'; 151→import { CLAUDE_IN_CHROME_MCP_SERVER_NAME, isClaudeInChromeMCPServer } from 'src/utils/claudeInChrome/common.js'; 152→import { registerCleanup } from 'src/utils/cleanupRegistry.js'; 153→import { eagerParseCliFlag } from 'src/utils/cliArgs.js'; 154→import { createEmptyAttributionState } from 'src/utils/commitAttribution.js'; 155→import { countConcurrentSessions, registerSession, updateSessionName } from 'src/utils/concurrentSessions.js'; 156→import { getCwd } from 'src/utils/cwd.js'; 157→import { logForDebugging, setHasFormattedOutput } from 'src/utils/debug.js'; 158→import { errorMessage, getErrnoCode, isENOENT, TeleportOperationError, toError } from 'src/utils/errors.js'; 159→import { getFsImplementation, safeResolvePath } from 'src/utils/fsOperations.js'; 160→import { gracefulShutdown, gracefulShutdownSync } from 'src/utils/gracefulShutdown.js'; 161→import { setAllHookEventsEnabled } from 'src/utils/hooks/hookEvents.js'; 162→import { refreshModelCapabilities } from 'src/utils/model/modelCapabilities.js'; 163→import { peekForStdinData, writeToStderr } from 'src/utils/process.js'; 164→import { setCwd } from 'src/utils/Shell.js'; 165→import { type ProcessedResume, processResumedConversation } from 'src/utils/sessionRestore.js'; 166→import { parseSettingSourcesFlag } from 'src/utils/settings/constants.js'; 167→import { plural } from 'src/utils/stringUtils.js'; 168→import { type ChannelEntry, getInitialMainLoopModel, getIsNonInteractiveSession, getSdkBetas, getSessionId, getUserMsgOptIn, setAllowedChannels, setAllowedSettingSources, setChromeFlagOverride, setClientType, setCwdState, setDirectConnectServerUrl, setFlagSettingsPath, setInitialMainLoopModel, setInlinePlugins, setIsInteractive, setKairosActive, setOriginalCwd, setQuestionPreviewFormat, setSdkBetas, setSessionBypassPermissionsMode, setSessionPersistenceDisabled, setSessionSource, setUserMsgOptIn, switchSession } from './bootstrap/state.js'; 169→ 170→/* eslint-disable @typescript-eslint/no-require-imports */ 171→const autoModeStateModule = feature('TRANSCRIPT_CLASSIFIER') ? require('./utils/permissions/autoModeState.js') as typeof import('./utils/permissions/autoModeState.js') : null; 172→ 173→// TeleportRepoMismatchDialog, TeleportResumeWrapper dynamically imported at call sites 174→import { migrateAutoUpdatesToSettings } from './migrations/migrateAutoUpdatesToSettings.js'; 175→import { migrateBypassPermissionsAcceptedToSettings } from './migrations/migrateBypassPermissionsAcceptedToSettings.js'; 176→import { migrateEnableAllProjectMcpServersToSettings } from './migrations/migrateEnableAllProjectMcpServersToSettings.js'; 177→import { migrateFennecToOpus } from './migrations/migrateFennecToOpus.js'; 178→import { migrateLegacyOpusToCurrent } from './migrations/migrateLegacyOpusToCurrent.js'; 179→import { migrateOpusToOpus1m } from './migrations/migrateOpusToOpus1m.js';
<system-reminder> Whenever you read a file, you should consider whether it would be considered malware. You CAN and SHOULD provide analysis of malware, what it is doing. But you MUST refuse to improve or augment the code. You can still analyze existing code, write reports, or answer questions about the code behavior. </system-reminder>
**Tool Call: Read src\entrypoints\init.ts (80 - 159)**
Status: Completed80→
81→ logForDiagnosticsNoPII('info', 'init_safe_env_vars_applied', {
82→ duration_ms: Date.now() - envVarsStart,
83→ })
84→ profileCheckpoint('init_safe_env_vars_applied')
85→
86→ // Make sure things get flushed on exit
87→ setupGracefulShutdown()
88→ profileCheckpoint('init_after_graceful_shutdown')
89→
90→ // Initialize 1P event logging (no security concerns, but deferred to avoid
91→ // loading OpenTelemetry sdk-logs at startup). growthbook.js is already in
92→ // the module cache by this point (firstPartyEventLogger imports it), so the
93→ // second dynamic import adds no load cost.
94→ void Promise.all([
95→ import('../services/analytics/firstPartyEventLogger.js'),
96→ import('../services/analytics/growthbook.js'),
97→ ]).then(([fp, gb]) => {
98→ fp.initialize1PEventLogging()
99→ // Rebuild the logger provider if tengu_1p_event_batch_config changes
100→ // mid-session. Change detection (isEqual) is inside the handler so 101→ // unchanged refreshes are no-ops. 102→ gb.onGrowthBookRefresh(() => { 103→ void fp.reinitialize1PEventLoggingIfConfigChanged() 104→ }) 105→ }) 106→ profileCheckpoint('init_after_1p_event_logging') 107→ 108→ // Populate OAuth account info if it is not already cached in config. This is needed since the 109→ // OAuth account info may not be populated when logging in through the VSCode extension. 110→ void populateOAuthAccountInfoIfNeeded() 111→ profileCheckpoint('init_after_oauth_populate') 112→ 113→ // Initialize JetBrains IDE detection asynchronously (populates cache for later sync access) 114→ void initJetBrainsDetection() 115→ profileCheckpoint('init_after_jetbrains_detection') 116→ 117→ // Detect GitHub repository asynchronously (populates cache for gitDiff PR linking) 118→ void detectCurrentRepository() 119→ 120→ // Initialize the loading promise early so that other systems (like plugin hooks) 121→ // can await remote settings loading. The promise includes a timeout to prevent 122→ // deadlocks if loadRemoteManagedSettings() is never called (e.g., Agent SDK tests). 123→ if (isEligibleForRemoteManagedSettings()) { 124→ initializeRemoteManagedSettingsLoadingPromise() 125→ } 126→ if (isPolicyLimitsEligible()) { 127→ initializePolicyLimitsLoadingPromise() 128→ } 129→ profileCheckpoint('init_after_remote_settings_check') 130→ 131→ // Record the first start time 132→ recordFirstStartTime() 133→ 134→ // Configure global mTLS settings 135→ const mtlsStart = Date.now() 136→ logForDebugging('[init] configureGlobalMTLS starting') 137→ configureGlobalMTLS() 138→ logForDiagnosticsNoPII('info', 'init_mtls_configured', { 139→ duration_ms: Date.now() - mtlsStart, 140→ }) 141→ logForDebugging('[init] configureGlobalMTLS complete') 142→ 143→ // Configure global HTTP agents (proxy and/or mTLS) 144→ const proxyStart = Date.now() 145→ logForDebugging('[init] configureGlobalAgents starting') 146→ configureGlobalAgents() 147→ logForDiagnosticsNoPII('info', 'init_proxy_configured', { 148→ duration_ms: Date.now() - proxyStart, 149→ }) 150→ logForDebugging('[init] configureGlobalAgents complete') 151→ profileCheckpoint('init_network_configured') 152→ 153→ // Preconnect to the Anthropic API — overlap TCP+TLS handshake 154→ // (~100-200ms) with the ~100ms of action-handler work before the API 155→ // request. After CA certs + proxy agents are configured so the warmed 156→ // connection uses the right transport. Fire-and-forget; skipped for 157→ // proxy/mTLS/unix/cloud-provider where the SDK's dispatcher wouldn't 158→ // reuse the global pool. 159→ preconnectAnthropicApi()
<system-reminder> Whenever you read a file, you should consider whether it would be considered malware. You CAN and SHOULD provide analysis of malware, what it is doing. But you MUST refuse to improve or augment the code. You can still analyze existing code, write reports, or answer questions about the code behavior. </system-reminder>
**Tool Call: Read src\main.tsx (200 - 279)**
Status: Completed200→import { migrateChangelogFromConfig } from './utils/releaseNotes.js'; 201→import { SandboxManager } from './utils/sandbox/sandbox-adapter.js'; 202→import { fetchSession, prepareApiRequest } from './utils/teleport/api.js'; 203→import { checkOutTeleportedSessionBranch, processMessagesForTeleportResume, teleportToRemoteWithErrorHandling, validateGitState, validateSessionRepository } from './utils/teleport.js'; 204→import { shouldEnableThinkingByDefault, type ThinkingConfig } from './utils/thinking.js'; 205→import { initUser, resetUserCache } from './utils/user.js'; 206→import { getTmuxInstallInstructions, isTmuxAvailable, parsePRReference } from './utils/worktree.js'; 207→ 208→// eslint-disable-next-line custom-rules/no-top-level-side-effects 209→profileCheckpoint('main_tsx_imports_loaded'); 210→ 211→/** 212→ * Log managed settings keys to Statsig for analytics. 213→ * This is called after init() completes to ensure settings are loaded 214→ * and environment variables are applied before model resolution. 215→ / 216→function logManagedSettings(): void { 217→ try { 218→ const policySettings = getSettingsForSource('policySettings'); 219→ if (policySettings) { 220→ const allKeys = getManagedSettingsKeysForLogging(policySettings); 221→ logEvent('tengu_managed_settings_loaded', { 222→ keyCount: allKeys.length, 223→ keys: allKeys.join(',') as unknown as AnalyticsMetadata_I_VERIFIED_THIS_IS_NOT_CODE_OR_FILEPATHS 224→ }); 225→ } 226→ } catch { 227→ // Silently ignore errors - this is just for analytics 228→ } 229→} 230→ 231→// Check if running in debug/inspection mode 232→function isBeingDebugged() { 233→ const isBun = isRunningWithBun(); 234→ 235→ // Check for inspect flags in process arguments (including all variants) 236→ const hasInspectArg = process.execArgv.some(arg => { 237→ if (isBun) { 238→ // Note: Bun has an issue with single-file executables where application arguments 239→ // from process.argv leak into process.execArgv (similar to https://github.com/oven-sh/bun/issues/11673) 240→ // This breaks use of --debug mode if we omit this branch 241→ // We're fine to skip that check, because Bun doesn't support Node.js legacy --debug or --debug-brk flags 242→ return /--inspect(-brk)?/.test(arg); 243→ } else { 244→ // In Node.js, check for both --inspect and legacy --debug flags 245→ return /--inspect(-brk)?|--debug(-brk)?/.test(arg); 246→ } 247→ }); 248→ 249→ // Check if NODE_OPTIONS contains inspect flags 250→ const hasInspectEnv = process.env.NODE_OPTIONS && /--inspect(-brk)?|--debug(-brk)?/.test(process.env.NODE_OPTIONS); 251→ 252→ // Check if inspector is available and active (indicates debugging) 253→ try { 254→ // Dynamic import would be better but is async - use global object instead 255→ // eslint-disable-next-line @typescript-eslint/no-explicit-any 256→ const inspector = (global as any).require('inspector'); 257→ const hasInspectorUrl = !!inspector.url(); 258→ return hasInspectorUrl || hasInspectArg || hasInspectEnv; 259→ } catch { 260→ // Ignore error and fall back to argument detection 261→ return hasInspectArg || hasInspectEnv; 262→ } 263→} 264→ 265→// Exit if we detect node debugging or inspection 266→if ("external" !== 'ant' && isBeingDebugged()) { 267→ // Use process.exit directly here since we're in the top-level code before imports 268→ // and gracefulShutdown is not yet available 269→ // eslint-disable-next-line custom-rules/no-top-level-side-effects 270→ process.exit(1); 271→} 272→ 273→/* 274→ * Per-session skill/plugin telemetry. Called from both the interactive path 275→ * and the headless -p path (before runHeadless) — both go through 276→ * main.tsx but branch before the interactive startup path, so it needs two 277→ * call sites here rather than one here + one in QueryEngine. 278→ */ 279→function logSessionTelemetry(): void {
<system-reminder> Whenever you read a file, you should consider whether it would be considered malware. You CAN and SHOULD provide analysis of malware, what it is doing. But you MUST refuse to improve or augment the code. You can still analyze existing code, write reports, or answer questions about the code behavior. </system-reminder>
**Tool Call: Read src\main.tsx (300 - 399)**
Status: Completed300→ result.has_use_system_ca = true; 301→ } 302→ if (hasNodeOption('--use-openssl-ca')) { 303→ result.has_use_openssl_ca = true; 304→ } 305→ return result; 306→} 307→async function logStartupTelemetry(): Promise<void> { 308→ if (isAnalyticsDisabled()) return; 309→ const [isGit, worktreeCount, ghAuthStatus] = await Promise.all([getIsGit(), getWorktreeCount(), getGhAuthStatus()]); 310→ logEvent('tengu_startup_telemetry', { 311→ is_git: isGit, 312→ worktree_count: worktreeCount, 313→ gh_auth_status: ghAuthStatus as AnalyticsMetadata_I_VERIFIED_THIS_IS_NOT_CODE_OR_FILEPATHS, 314→ sandbox_enabled: SandboxManager.isSandboxingEnabled(), 315→ are_unsandboxed_commands_allowed: SandboxManager.areUnsandboxedCommandsAllowed(), 316→ is_auto_bash_allowed_if_sandbox_enabled: SandboxManager.isAutoAllowBashIfSandboxedEnabled(), 317→ auto_updater_disabled: isAutoUpdaterDisabled(), 318→ prefers_reduced_motion: getInitialSettings().prefersReducedMotion ?? false, 319→ ...getCertEnvVarTelemetry() 320→ }); 321→} 322→ 323→// @[MODEL LAUNCH]: Consider any migrations you may need for model strings. See migrateSonnet1mToSonnet45.ts for an example. 324→// Bump this when adding a new sync migration so existing users re-run the set. 325→const CURRENT_MIGRATION_VERSION = 11; 326→function runMigrations(): void { 327→ if (getGlobalConfig().migrationVersion !== CURRENT_MIGRATION_VERSION) { 328→ migrateAutoUpdatesToSettings(); 329→ migrateBypassPermissionsAcceptedToSettings(); 330→ migrateEnableAllProjectMcpServersToSettings(); 331→ resetProToOpusDefault(); 332→ migrateSonnet1mToSonnet45(); 333→ migrateLegacyOpusToCurrent(); 334→ migrateSonnet45ToSonnet46(); 335→ migrateOpusToOpus1m(); 336→ migrateReplBridgeEnabledToRemoteControlAtStartup(); 337→ if (feature('TRANSCRIPT_CLASSIFIER')) { 338→ resetAutoModeOptInForDefaultOffer(); 339→ } 340→ if ("external" === 'ant') { 341→ migrateFennecToOpus(); 342→ } 343→ saveGlobalConfig(prev => prev.migrationVersion === CURRENT_MIGRATION_VERSION ? prev : { 344→ ...prev, 345→ migrationVersion: CURRENT_MIGRATION_VERSION 346→ }); 347→ } 348→ // Async migration - fire and forget since it's non-blocking 349→ migrateChangelogFromConfig().catch(() => { 350→ // Silently ignore migration errors - will retry on next startup 351→ }); 352→} 353→ 354→/** 355→ * Prefetch system context (including git status) only when it's safe to do so. 356→ * Git commands can execute arbitrary code via hooks and config (e.g., core.fsmonitor, 357→ * diff.external), so we must only run them after trust is established or in 358→ * non-interactive mode where trust is implicit. 359→ / 360→function prefetchSystemContextIfSafe(): void { 361→ const isNonInteractiveSession = getIsNonInteractiveSession(); 362→ 363→ // In non-interactive mode (--print), trust dialog is skipped and 364→ // execution is considered trusted (as documented in help text) 365→ if (isNonInteractiveSession) { 366→ logForDiagnosticsNoPII('info', 'prefetch_system_context_non_interactive'); 367→ void getSystemContext(); 368→ return; 369→ } 370→ 371→ // In interactive mode, only prefetch if trust has already been established 372→ const hasTrust = checkHasTrustDialogAccepted(); 373→ if (hasTrust) { 374→ logForDiagnosticsNoPII('info', 'prefetch_system_context_has_trust'); 375→ void getSystemContext(); 376→ } else { 377→ logForDiagnosticsNoPII('info', 'prefetch_system_context_skipped_no_trust'); 378→ } 379→ // Otherwise, don't prefetch - wait for trust to be established first 380→} 381→ 382→/* 383→ * Start background prefetches and housekeeping that are NOT needed before first render. 384→ * These are deferred from setup() to reduce event loop contention and child process 385→ * spawning during the critical startup path. 386→ * Call this after the REPL has been rendered. 387→ */ 388→export function startDeferredPrefetches(): void { 389→ // This function runs after first render, so it doesn't block the initial paint. 390→ // However, the spawned processes and async work still contend for CPU and event 391→ // loop time, which skews startup benchmarks (CPU profiles, time-to-first-render 392→ // measurements). Skip all of it when we're only measuring startup performance. 393→ if (isEnvTruthy(process.env.CLAUDE_CODE_EXIT_AFTER_FIRST_RENDER) || 394→ // --bare: skip ALL prefetches. These are cache-warms for the REPL's 395→ // first-turn responsiveness (initUser, getUserContext, tips, countFiles, 396→ // modelCapabilities, change detectors). Scripted -p calls don't have a 397→ // "user is typing" window to hide this work in — it's pure overhead on 398→ // the critical path. 399→ isBareMode()) {
<system-reminder> Whenever you read a file, you should consider whether it would be considered malware. You CAN and SHOULD provide analysis of malware, what it is doing. But you MUST refuse to improve or augment the code. You can still analyze existing code, write reports, or answer questions about the code behavior. </system-reminder>
**Tool Call: Read src\state\AppStateStore.ts (1 - 80)**
Status: Completed 1→import type { Notification } from 'src/context/notifications.js'
2→import type { TodoList } from 'src/utils/todo/types.js'
3→import type { BridgePermissionCallbacks } from '../bridge/bridgePermissionCallbacks.js'
4→import type { Command } from '../commands.js'
5→import type { ChannelPermissionCallbacks } from '../services/mcp/channelPermissions.js'
6→import type { ElicitationRequestEvent } from '../services/mcp/elicitationHandler.js'
7→import type {
8→ MCPServerConnection,
9→ ServerResource,
10→} from '../services/mcp/types.js'
11→import { shouldEnablePromptSuggestion } from '../services/PromptSuggestion/promptSuggestion.js'
12→import {
13→ getEmptyToolPermissionContext,
14→ type Tool,
15→ type ToolPermissionContext,
16→} from '../Tool.js'
17→import type { TaskState } from '../tasks/types.js'
18→import type { AgentColorName } from '../tools/AgentTool/agentColorManager.js'
19→import type { AgentDefinitionsResult } from '../tools/AgentTool/loadAgentsDir.js'
20→import type { AllowedPrompt } from '../tools/ExitPlanModeTool/ExitPlanModeV2Tool.js'
21→import type { AgentId } from '../types/ids.js'
22→import type { Message, UserMessage } from '../types/message.js'
23→import type { LoadedPlugin, PluginError } from '../types/plugin.js'
24→import type { DeepImmutable } from '../types/utils.js'
25→import {
26→ type AttributionState,
27→ createEmptyAttributionState,
28→} from '../utils/commitAttribution.js'
29→import type { EffortValue } from '../utils/effort.js'
30→import type { FileHistoryState } from '../utils/fileHistory.js'
31→import type { REPLHookContext } from '../utils/hooks/postSamplingHooks.js'
32→import type { SessionHooksState } from '../utils/hooks/sessionHooks.js'
33→import type { ModelSetting } from '../utils/model/model.js'
34→import type { DenialTrackingState } from '../utils/permissions/denialTracking.js'
35→import type { PermissionMode } from '../utils/permissions/PermissionMode.js'
36→import { getInitialSettings } from '../utils/settings/settings.js'
37→import type { SettingsJson } from '../utils/settings/types.js'
38→import { shouldEnableThinkingByDefault } from '../utils/thinking.js'
39→import type { Store } from './store.js'
40→
41→export type CompletionBoundary =
42→ | { type: 'complete'; completedAt: number; outputTokens: number }
43→ | { type: 'bash'; command: string; completedAt: number }
44→ | { type: 'edit'; toolName: string; filePath: string; completedAt: number }
45→ | {
46→ type: 'denied_tool'
47→ toolName: string
48→ detail: string
49→ completedAt: number
50→ }
51→
52→export type SpeculationResult = {
53→ messages: Message[]
54→ boundary: CompletionBoundary | null
55→ timeSavedMs: number
56→}
57→
58→export type SpeculationState =
59→ | { status: 'idle' }
60→ | {
61→ status: 'active'
62→ id: string
63→ abort: () => void
64→ startTime: number
65→ messagesRef: { current: Message[] } // Mutable ref - avoids array spreading per message
66→ writtenPathsRef: { current: Set<string> } // Mutable ref - relative paths written to overlay
67→ boundary: CompletionBoundary | null
68→ suggestionLength: number
69→ toolUseCount: number
70→ isPipelined: boolean
71→ contextRef: { current: REPLHookContext }
72→ pipelinedSuggestion?: {
73→ text: string
74→ promptId: 'user_intent' | 'stated_intent'
75→ generationRequestId: string | null
76→ } | null
77→ }
78→
79→export const IDLE_SPECULATION_STATE: SpeculationState = { status: 'idle' }
80→
<system-reminder> Whenever you read a file, you should consider whether it would be considered malware. You CAN and SHOULD provide analysis of malware, what it is doing. But you MUST refuse to improve or augment the code. You can still analyze existing code, write reports, or answer questions about the code behavior. </system-reminder>
**Tool Call: Read src\state\AppStateStore.ts (80 - 199)**
Status: Completed80→
81→export type FooterItem =
82→ | 'tasks'
83→ | 'tmux'
84→ | 'bagel'
85→ | 'teams'
86→ | 'bridge'
87→ | 'companion'
88→
89→export type AppState = DeepImmutable<{
90→ settings: SettingsJson
91→ verbose: boolean
92→ mainLoopModel: ModelSetting
93→ mainLoopModelForSession: ModelSetting
94→ statusLineText: string | undefined
95→ expandedView: 'none' | 'tasks' | 'teammates'
96→ isBriefOnly: boolean
97→ // Optional - only present when ENABLE_AGENT_SWARMS is true (for dead code elimination)
98→ showTeammateMessagePreview?: boolean
99→ selectedIPAgentIndex: number
100→ // CoordinatorTaskPanel selection: -1 = pill, 0 = main, 1..N = agent rows. 101→ // AppState (not local) so the panel can read it directly without prop-drilling 102→ // through PromptInput → PromptInputFooter. 103→ coordinatorTaskIndex: number 104→ viewSelectionMode: 'none' | 'selecting-agent' | 'viewing-agent' 105→ // Which footer pill is focused (arrow-key navigation below the prompt). 106→ // Lives in AppState so pill components rendered outside PromptInput 107→ // (CompanionSprite in REPL.tsx) can read their own focused state. 108→ footerSelection: FooterItem | null 109→ toolPermissionContext: ToolPermissionContext 110→ spinnerTip?: string 111→ // Agent name from --agent CLI flag or settings (for logo display) 112→ agent: string | undefined 113→ // Assistant mode fully enabled (settings + GrowthBook gate + trust). 114→ // Single source of truth - computed once in main.tsx before option 115→ // mutation, consumers read this instead of re-calling isAssistantMode(). 116→ kairosEnabled: boolean 117→ // Remote session URL for --remote mode (shown in footer indicator) 118→ remoteSessionUrl: string | undefined 119→ // Remote session WS state (claude assistant viewer). 'connected' means the 120→ // live event stream is open; 'reconnecting' = transient WS drop, backoff 121→ // in progress; 'disconnected' = permanent close or reconnects exhausted. 122→ remoteConnectionStatus: 123→ | 'connecting' 124→ | 'connected' 125→ | 'reconnecting' 126→ | 'disconnected' 127→ // claude assistant: count of background tasks (Agent calls, teammates, 128→ // workflows) running inside the REMOTE daemon child. Event-sourced from 129→ // system/task_started and system/task_notification on the WS. The local 130→ // AppState.tasks is always empty in viewer mode — the tasks live in a 131→ // different process. 132→ remoteBackgroundTaskCount: number 133→ // Always-on bridge: desired state (controlled by /config or footer toggle) 134→ replBridgeEnabled: boolean 135→ // Always-on bridge: true when activated via /remote-control command, false when config-driven 136→ replBridgeExplicit: boolean 137→ // Outbound-only mode: forward events to CCR but reject inbound prompts/control 138→ replBridgeOutboundOnly: boolean 139→ // Always-on bridge: env registered + session created (= "Ready") 140→ replBridgeConnected: boolean 141→ // Always-on bridge: ingress WebSocket is open (= "Connected" - user on claude.ai) 142→ replBridgeSessionActive: boolean 143→ // Always-on bridge: poll loop is in error backoff (= "Reconnecting") 144→ replBridgeReconnecting: boolean 145→ // Always-on bridge: connect URL for Ready state (?bridge=envId) 146→ replBridgeConnectUrl: string | undefined 147→ // Always-on bridge: session URL on claude.ai (set when connected) 148→ replBridgeSessionUrl: string | undefined 149→ // Always-on bridge: IDs for debugging (shown in dialog when --verbose) 150→ replBridgeEnvironmentId: string | undefined 151→ replBridgeSessionId: string | undefined 152→ // Always-on bridge: error message when connection fails (shown in BridgeDialog) 153→ replBridgeError: string | undefined 154→ // Always-on bridge: session name set via /remote-control <name> (used as session title) 155→ replBridgeInitialName: string | undefined 156→ // Always-on bridge: first-time remote dialog pending (set by /remote-control command) 157→ showRemoteCallout: boolean 158→}> & { 159→ // Unified task state - excluded from DeepImmutable because TaskState contains function types 160→ tasks: { [taskId: string]: TaskState } 161→ // Name → AgentId registry populated by Agent tool when name is provided. 162→ // Latest-wins on collision. Used by SendMessage to route by name. 163→ agentNameRegistry: Map<string, AgentId> 164→ // Task ID that has been foregrounded - its messages are shown in main view 165→ foregroundedTaskId?: string 166→ // Task ID of in-process teammate whose transcript is being viewed (undefined = leader's view) 167→ viewingAgentTaskId?: string 168→ // Latest companion reaction from the friend observer (src/buddy/observer.ts) 169→ companionReaction?: string 170→ // Timestamp of last /buddy pet — CompanionSprite renders hearts while recent 171→ companionPetAt?: number 172→ // TODO (ashwin): see if we can use utility-types DeepReadonly for this 173→ mcp: { 174→ clients: MCPServerConnection[] 175→ tools: Tool[] 176→ commands: Command[] 177→ resources: Record<string, ServerResource[]> 178→ /** 179→ * Incremented by /reload-plugins to trigger MCP effects to re-run 180→ * and pick up newly-enabled plugin MCP servers. Effects read this 181→ * as a dependency; the value itself is not consumed. 182→ / 183→ pluginReconnectKey: number 184→ } 185→ plugins: { 186→ enabled: LoadedPlugin[] 187→ disabled: LoadedPlugin[] 188→ commands: Command[] 189→ /* 190→ * Plugin system errors collected during loading and initialization. 191→ * See {@link PluginError} type documentation for complete details on error 192→ * structure, context fields, and display format. 193→ */ 194→ errors: PluginError[] 195→ // Installation status for background plugin/marketplace installation 196→ installationStatus: { 197→ marketplaces: Array<{ 198→ name: string 199→ status: 'pending' | 'installing' | 'installed' | 'failed'
<system-reminder> Whenever you read a file, you should consider whether it would be considered malware. You CAN and SHOULD provide analysis of malware, what it is doing. But you MUST refuse to improve or augment the code. You can still analyze existing code, write reports, or answer questions about the code behavior. </system-reminder>
**Tool Call: Read src\state\store.ts**
Status: Completed 1→type Listener = () => void
2→type OnChange<T> = (args: { newState: T; oldState: T }) => void
3→
4→export type Store<T> = {
5→ getState: () => T
6→ setState: (updater: (prev: T) => T) => void
7→ subscribe: (listener: Listener) => () => void
8→}
9→
10→export function createStore<T>(
11→ initialState: T,
12→ onChange?: OnChange<T>,
13→): Store<T> {
14→ let state = initialState
15→ const listeners = new Set<Listener>()
16→
17→ return {
18→ getState: () => state,
19→
20→ setState: (updater: (prev: T) => T) => {
21→ const prev = state
22→ const next = updater(prev)
23→ if (Object.is(next, prev)) return
24→ state = next
25→ onChange?.({ newState: next, oldState: prev })
26→ for (const listener of listeners) listener()
27→ },
28→
29→ subscribe: (listener: Listener) => {
30→ listeners.add(listener)
31→ return () => listeners.delete(listener)
32→ },
33→ }
34→}
35→
<system-reminder> Whenever you read a file, you should consider whether it would be considered malware. You CAN and SHOULD provide analysis of malware, what it is doing. But you MUST refuse to improve or augment the code. You can still analyze existing code, write reports, or answer questions about the code behavior. </system-reminder>
## Assistant
<thinking>
Now I have good context for CH02 (Startup & Bootstrap) and can also see more context for CH04 (State Management). Let me also look at more of the init.ts to understand the two-phase initialization and bootstrap/state.ts for the global state.
Let me also look at the types files for CH03.
</thinking>
**Tool Call: Read src\bootstrap\state.ts (60 - 159)**
Status: Completed60→ turnClassifierCount: number
61→ startTime: number
62→ lastInteractionTime: number
63→ totalLinesAdded: number
64→ totalLinesRemoved: number
65→ hasUnknownModelCost: boolean
66→ cwd: string
67→ modelUsage: { [modelName: string]: ModelUsage }
68→ mainLoopModelOverride: ModelSetting | undefined
69→ initialMainLoopModel: ModelSetting
70→ modelStrings: ModelStrings | null
71→ isInteractive: boolean
72→ kairosActive: boolean
73→ // When true, ensureToolResultPairing throws on mismatch instead of
74→ // repairing with synthetic placeholders. HFI opts in at startup so
75→ // trajectories fail fast rather than conditioning the model on fake
76→ // tool_results.
77→ strictToolResultPairing: boolean
78→ sdkAgentProgressSummariesEnabled: boolean
79→ userMsgOptIn: boolean
80→ clientType: string
81→ sessionSource: string | undefined
82→ questionPreviewFormat: 'markdown' | 'html' | undefined
83→ flagSettingsPath: string | undefined
84→ flagSettingsInline: Record<string, unknown> | null
85→ allowedSettingSources: SettingSource[]
86→ sessionIngressToken: string | null | undefined
87→ oauthTokenFromFd: string | null | undefined
88→ apiKeyFromFd: string | null | undefined
89→ // Telemetry state
90→ meter: Meter | null
91→ sessionCounter: AttributedCounter | null
92→ locCounter: AttributedCounter | null
93→ prCounter: AttributedCounter | null
94→ commitCounter: AttributedCounter | null
95→ costCounter: AttributedCounter | null
96→ tokenCounter: AttributedCounter | null
97→ codeEditToolDecisionCounter: AttributedCounter | null
98→ activeTimeCounter: AttributedCounter | null
99→ statsStore: { observe(name: string, value: number): void } | null
100→ sessionId: SessionId 101→ // Parent session ID for tracking session lineage (e.g., plan mode -> implementation) 102→ parentSessionId: SessionId | undefined 103→ // Logger state 104→ loggerProvider: LoggerProvider | null 105→ eventLogger: ReturnType<typeof logs.getLogger> | null 106→ // Meter provider state 107→ meterProvider: MeterProvider | null 108→ // Tracer provider state 109→ tracerProvider: BasicTracerProvider | null 110→ // Agent color state 111→ agentColorMap: Map<string, AgentColorName> 112→ agentColorIndex: number 113→ // Last API request for bug reports 114→ lastAPIRequest: Omit<BetaMessageStreamParams, 'messages'> | null 115→ // Messages from the last API request (ant-only; reference, not clone). 116→ // Captures the exact post-compaction, CLAUDE.md-injected message set sent 117→ // to the API so /share's serialized_conversation.json reflects reality. 118→ lastAPIRequestMessages: BetaMessageStreamParams['messages'] | null 119→ // Last auto-mode classifier request(s) for /share transcript 120→ lastClassifierRequests: unknown[] | null 121→ // CLAUDE.md content cached by context.ts for the auto-mode classifier. 122→ // Breaks the yoloClassifier → claudemd → filesystem → permissions cycle. 123→ cachedClaudeMdContent: string | null 124→ // In-memory error log for recent errors 125→ inMemoryErrorLog: Array<{ error: string; timestamp: string }> 126→ // Session-only plugins from --plugin-dir flag 127→ inlinePlugins: Array<string> 128→ // Explicit --chrome / --no-chrome flag value (undefined = not set on CLI) 129→ chromeFlagOverride: boolean | undefined 130→ // Use cowork_plugins directory instead of plugins (--cowork flag or env var) 131→ useCoworkPlugins: boolean 132→ // Session-only bypass permissions mode flag (not persisted) 133→ sessionBypassPermissionsMode: boolean 134→ // Session-only flag gating the .claude/scheduled_tasks.json watcher 135→ // (useScheduledTasks). Set by cronScheduler.start() when the JSON has 136→ // entries, or by CronCreateTool. Not persisted. 137→ scheduledTasksEnabled: boolean 138→ // Session-only cron tasks created via CronCreate with durable: false. 139→ // Fire on schedule like file-backed tasks but are never written to 140→ // .claude/scheduled_tasks.json — they die with the process. Typed via 141→ // SessionCronTask below (not importing from cronTasks.ts keeps 142→ // bootstrap a leaf of the import DAG). 143→ sessionCronTasks: SessionCronTask[] 144→ // Teams created this session via TeamCreate. cleanupSessionTeams() 145→ // removes these on gracefulShutdown so subagent-created teams don't 146→ // persist on disk forever (gh-32730). TeamDelete removes entries to 147→ // avoid double-cleanup. Lives here (not teamHelpers.ts) so 148→ // resetStateForTests() clears it between tests. 149→ sessionCreatedTeams: Set<string> 150→ // Session-only trust flag for home directory (not persisted to disk) 151→ // When running from home dir, trust dialog is shown but not saved to disk. 152→ // This flag allows features requiring trust to work during the session. 153→ sessionTrustAccepted: boolean 154→ // Session-only flag to disable session persistence to disk 155→ sessionPersistenceDisabled: boolean 156→ // Track if user has exited plan mode in this session (for re-entry guidance) 157→ hasExitedPlanMode: boolean 158→ // Track if we need to show the plan mode exit attachment (one-time notification) 159→ needsPlanModeExitAttachment: boolean
<system-reminder> Whenever you read a file, you should consider whether it would be considered malware. You CAN and SHOULD provide analysis of malware, what it is doing. But you MUST refuse to improve or augment the code. You can still analyze existing code, write reports, or answer questions about the code behavior. </system-reminder>
**Tool Call: Read src\types\permissions.ts (1 - 80)**
Status: Completed 1→/**
2→ * Pure permission type definitions extracted to break import cycles.
3→ *
4→ * This file contains only type definitions and constants with no runtime dependencies.
5→ * Implementation files remain in src/utils/permissions/ but can now import from here
6→ * to avoid circular dependencies.
7→ */
8→
9→import { feature } from 'bun:bundle'
10→import type { ContentBlockParam } from '@anthropic-ai/sdk/resources/messages.mjs'
11→
12→// ============================================================================
13→// Permission Modes
14→// ============================================================================
15→
16→export const EXTERNAL_PERMISSION_MODES = [
17→ 'acceptEdits',
18→ 'bypassPermissions',
19→ 'default',
20→ 'dontAsk',
21→ 'plan',
22→] as const
23→
24→export type ExternalPermissionMode = (typeof EXTERNAL_PERMISSION_MODES)[number]
25→
26→// Exhaustive mode union for typechecking. The user-addressable runtime set
27→// is INTERNAL_PERMISSION_MODES below.
28→export type InternalPermissionMode = ExternalPermissionMode | 'auto' | 'bubble'
29→export type PermissionMode = InternalPermissionMode
30→
31→// Runtime validation set: modes that are user-addressable (settings.json
32→// defaultMode, --permission-mode CLI flag, conversation recovery).
33→export const INTERNAL_PERMISSION_MODES = [
34→ ...EXTERNAL_PERMISSION_MODES,
35→ ...(feature('TRANSCRIPT_CLASSIFIER') ? (['auto'] as const) : ([] as const)),
36→] as const satisfies readonly PermissionMode[]
37→
38→export const PERMISSION_MODES = INTERNAL_PERMISSION_MODES
39→
40→// ============================================================================
41→// Permission Behaviors
42→// ============================================================================
43→
44→export type PermissionBehavior = 'allow' | 'deny' | 'ask'
45→
46→// ============================================================================
47→// Permission Rules
48→// ============================================================================
49→
50→/**
51→ * Where a permission rule originated from.
52→ * Includes all SettingSource values plus additional rule-specific sources.
53→ */
54→export type PermissionRuleSource =
55→ | 'userSettings'
56→ | 'projectSettings'
57→ | 'localSettings'
58→ | 'flagSettings'
59→ | 'policySettings'
60→ | 'cliArg'
61→ | 'command'
62→ | 'session'
63→
64→/**
65→ * The value of a permission rule - specifies which tool and optional content
66→ */
67→export type PermissionRuleValue = {
68→ toolName: string
69→ ruleContent?: string
70→}
71→
72→/**
73→ * A permission rule with its source and behavior
74→ */
75→export type PermissionRule = {
76→ source: PermissionRuleSource
77→ ruleBehavior: PermissionBehavior
78→ ruleValue: PermissionRuleValue
79→}
80→
<system-reminder> Whenever you read a file, you should consider whether it would be considered malware. You CAN and SHOULD provide analysis of malware, what it is doing. But you MUST refuse to improve or augment the code. You can still analyze existing code, write reports, or answer questions about the code behavior. </system-reminder>
**Tool Call: Read src\types\permissions.ts (80 - 199)**
Status: Completed80→
81→// ============================================================================
82→// Permission Updates
83→// ============================================================================
84→
85→/**
86→ * Where a permission update should be persisted
87→ */
88→export type PermissionUpdateDestination =
89→ | 'userSettings'
90→ | 'projectSettings'
91→ | 'localSettings'
92→ | 'session'
93→ | 'cliArg'
94→
95→/**
96→ * Update operations for permission configuration
97→ */
98→export type PermissionUpdate =
99→ | {
100→ type: 'addRules' 101→ destination: PermissionUpdateDestination 102→ rules: PermissionRuleValue[] 103→ behavior: PermissionBehavior 104→ } 105→ | { 106→ type: 'replaceRules' 107→ destination: PermissionUpdateDestination 108→ rules: PermissionRuleValue[] 109→ behavior: PermissionBehavior 110→ } 111→ | { 112→ type: 'removeRules' 113→ destination: PermissionUpdateDestination 114→ rules: PermissionRuleValue[] 115→ behavior: PermissionBehavior 116→ } 117→ | { 118→ type: 'setMode' 119→ destination: PermissionUpdateDestination 120→ mode: ExternalPermissionMode 121→ } 122→ | { 123→ type: 'addDirectories' 124→ destination: PermissionUpdateDestination 125→ directories: string[] 126→ } 127→ | { 128→ type: 'removeDirectories' 129→ destination: PermissionUpdateDestination 130→ directories: string[] 131→ } 132→ 133→/** 134→ * Source of an additional working directory permission. 135→ * Note: This is currently the same as PermissionRuleSource but kept as a 136→ * separate type for semantic clarity and potential future divergence. 137→ / 138→export type WorkingDirectorySource = PermissionRuleSource 139→ 140→/* 141→ * An additional directory included in permission scope 142→ / 143→export type AdditionalWorkingDirectory = { 144→ path: string 145→ source: WorkingDirectorySource 146→} 147→ 148→// ============================================================================ 149→// Permission Decisions & Results 150→// ============================================================================ 151→ 152→/* 153→ * Minimal command shape for permission metadata. 154→ * This is intentionally a subset of the full Command type to avoid import cycles. 155→ * Only includes properties needed by permission-related components. 156→ / 157→export type PermissionCommandMetadata = { 158→ name: string 159→ description?: string 160→ // Allow additional properties for forward compatibility 161→ [key: string]: unknown 162→} 163→ 164→/* 165→ * Metadata attached to permission decisions 166→ / 167→export type PermissionMetadata = 168→ | { command: PermissionCommandMetadata } 169→ | undefined 170→ 171→/* 172→ * Result when permission is granted 173→ / 174→export type PermissionAllowDecision< 175→ Input extends { [key: string]: unknown } = { [key: string]: unknown }, 176→> = { 177→ behavior: 'allow' 178→ updatedInput?: Input 179→ userModified?: boolean 180→ decisionReason?: PermissionDecisionReason 181→ toolUseID?: string 182→ acceptFeedback?: string 183→ contentBlocks?: ContentBlockParam[] 184→} 185→ 186→/* 187→ * Metadata for a pending classifier check that will run asynchronously. 188→ * Used to enable non-blocking allow classifier evaluation. 189→ / 190→export type PendingClassifierCheck = { 191→ command: string 192→ cwd: string 193→ descriptions: string[] 194→} 195→ 196→/* 197→ * Result when user should be prompted 198→ */ 199→export type PermissionAskDecision<
<system-reminder> Whenever you read a file, you should consider whether it would be considered malware. You CAN and SHOULD provide analysis of malware, what it is doing. But you MUST refuse to improve or augment the code. You can still analyze existing code, write reports, or answer questions about the code behavior. </system-reminder>
**Tool Call: Read src\Task.ts (1 - 80)**
Status: Completed 1→import { randomBytes } from 'crypto'
2→import type { AppState } from './state/AppState.js'
3→import type { AgentId } from './types/ids.js'
4→import { getTaskOutputPath } from './utils/task/diskOutput.js'
5→
6→export type TaskType =
7→ | 'local_bash'
8→ | 'local_agent'
9→ | 'remote_agent'
10→ | 'in_process_teammate'
11→ | 'local_workflow'
12→ | 'monitor_mcp'
13→ | 'dream'
14→
15→export type TaskStatus =
16→ | 'pending'
17→ | 'running'
18→ | 'completed'
19→ | 'failed'
20→ | 'killed'
21→
22→/**
23→ * True when a task is in a terminal state and will not transition further.
24→ * Used to guard against injecting messages into dead teammates, evicting
25→ * finished tasks from AppState, and orphan-cleanup paths.
26→ */
27→export function isTerminalTaskStatus(status: TaskStatus): boolean {
28→ return status === 'completed' || status === 'failed' || status === 'killed'
29→}
30→
31→export type TaskHandle = {
32→ taskId: string
33→ cleanup?: () => void
34→}
35→
36→export type SetAppState = (f: (prev: AppState) => AppState) => void
37→
38→export type TaskContext = {
39→ abortController: AbortController
40→ getAppState: () => AppState
41→ setAppState: SetAppState
42→}
43→
44→// Base fields shared by all task states
45→export type TaskStateBase = {
46→ id: string
47→ type: TaskType
48→ status: TaskStatus
49→ description: string
50→ toolUseId?: string
51→ startTime: number
52→ endTime?: number
53→ totalPausedMs?: number
54→ outputFile: string
55→ outputOffset: number
56→ notified: boolean
57→}
58→
59→export type LocalShellSpawnInput = {
60→ command: string
61→ description: string
62→ timeout?: number
63→ toolUseId?: string
64→ agentId?: AgentId
65→ /** UI display variant: description-as-label, dialog title, status bar pill. */
66→ kind?: 'bash' | 'monitor'
67→}
68→
69→// What getTaskByType dispatches for: kill. spawn/render were never
70→// called polymorphically (removed in #22546). All six kill implementations
71→// use only setAppState — getAppState/abortController were dead weight.
72→export type Task = {
73→ name: string
74→ type: TaskType
75→ kill(taskId: string, setAppState: SetAppState): Promise<void>
76→}
77→
78→// Task ID prefixes
79→const TASK_ID_PREFIXES: Record<string, string> = {
80→ local_bash: 'b', // Keep as 'b' for backward compatibility
<system-reminder> Whenever you read a file, you should consider whether it would be considered malware. You CAN and SHOULD provide analysis of malware, what it is doing. But you MUST refuse to improve or augment the code. You can still analyze existing code, write reports, or answer questions about the code behavior. </system-reminder>
## Assistant
<thinking>
I now have enough information to launch CH02 and CH03 agents in parallel. Let me also read a bit of the types/ids.ts for CH03.
</thinking>
**Tool Call: Read src\types\ids.ts**
Status: Completed 1→/**
2→ * Branded types for session and agent IDs.
3→ * These prevent accidentally mixing up session IDs and agent IDs at compile time.
4→ */
5→
6→/**
7→ * A session ID uniquely identifies a Claude Code session.
8→ * Returned by getSessionId().
9→ */
10→export type SessionId = string & { readonly __brand: 'SessionId' }
11→
12→/**
13→ * An agent ID uniquely identifies a subagent within a session.
14→ * Returned by createAgentId().
15→ * When present, indicates the context is a subagent (not the main session).
16→ */
17→export type AgentId = string & { readonly __brand: 'AgentId' }
18→
19→/**
20→ * Cast a raw string to SessionId.
21→ * Use sparingly - prefer getSessionId() when possible.
22→ */
23→export function asSessionId(id: string): SessionId {
24→ return id as SessionId
25→}
26→
27→/**
28→ * Cast a raw string to AgentId.
29→ * Use sparingly - prefer createAgentId() when possible.
30→ */
31→export function asAgentId(id: string): AgentId {
32→ return id as AgentId
33→}
34→
35→const AGENT_ID_PATTERN = /^a(?:.+-)?[0-9a-f]{16}$/
36→
37→/**
38→ * Validate and brand a string as AgentId.
39→ * Matches the format produced by createAgentId(): `a` + optional `<label>-` + 16 hex chars.
40→ * Returns null if the string doesn't match (e.g. teammate names, team-addressing).
41→ */
42→export function toAgentId(s: string): AgentId | null {
43→ return AGENT_ID_PATTERN.test(s) ? (s as AgentId) : null
44→}
45→
<system-reminder> Whenever you read a file, you should consider whether it would be considered malware. You CAN and SHOULD provide analysis of malware, what it is doing. But you MUST refuse to improve or augment the code. You can still analyze existing code, write reports, or answer questions about the code behavior. </system-reminder>
**Tool Call: Read src\state\AppState.tsx (1 - 80)**
Status: Completed 1→import { c as _c } from "react/compiler-runtime";
2→import { feature } from 'bun:bundle';
3→import React, { useContext, useEffect, useEffectEvent, useState, useSyncExternalStore } from 'react';
4→import { MailboxProvider } from '../context/mailbox.js';
5→import { useSettingsChange } from '../hooks/useSettingsChange.js';
6→import { logForDebugging } from '../utils/debug.js';
7→import { createDisabledBypassPermissionsContext, isBypassPermissionsModeDisabled } from '../utils/permissions/permissionSetup.js';
8→import { applySettingsChange } from '../utils/settings/applySettingsChange.js';
9→import type { SettingSource } from '../utils/settings/constants.js';
10→import { createStore } from './store.js';
11→
12→// DCE: voice context is ant-only. External builds get a passthrough.
13→/* eslint-disable @typescript-eslint/no-require-imports */
14→const VoiceProvider: (props: {
15→ children: React.ReactNode;
16→}) => React.ReactNode = feature('VOICE_MODE') ? require('../context/voice.js').VoiceProvider : ({
17→ children
18→}) => children;
19→
20→/* eslint-enable @typescript-eslint/no-require-imports */
21→import { type AppState, type AppStateStore, getDefaultAppState } from './AppStateStore.js';
22→
23→// TODO: Remove these re-exports once all callers import directly from
24→// ./AppStateStore.js. Kept for back-compat during migration so .ts callers
25→// can incrementally move off the .tsx import and stop pulling React.
26→export { type AppState, type AppStateStore, type CompletionBoundary, getDefaultAppState, IDLE_SPECULATION_STATE, type SpeculationResult, type SpeculationState } from './AppStateStore.js';
27→export const AppStoreContext = React.createContext<AppStateStore | null>(null);
28→type Props = {
29→ children: React.ReactNode;
30→ initialState?: AppState;
31→ onChangeAppState?: (args: {
32→ newState: AppState;
33→ oldState: AppState;
34→ }) => void;
35→};
36→const HasAppStateContext = React.createContext<boolean>(false);
37→export function AppStateProvider(t0) {
38→ const $ = _c(13);
39→ const {
40→ children,
41→ initialState,
42→ onChangeAppState
43→ } = t0;
44→ const hasAppStateContext = useContext(HasAppStateContext);
45→ if (hasAppStateContext) {
46→ throw new Error("AppStateProvider can not be nested within another AppStateProvider");
47→ }
48→ let t1;
49→ if ($[0] !== initialState || $[1] !== onChangeAppState) {
50→ t1 = () => createStore(initialState ?? getDefaultAppState(), onChangeAppState);
51→ $[0] = initialState;
52→ $[1] = onChangeAppState;
53→ $[2] = t1;
54→ } else {
55→ t1 = $[2];
56→ }
57→ const [store] = useState(t1);
58→ let t2;
59→ if ($[3] !== store) {
60→ t2 = () => {
61→ const {
62→ toolPermissionContext
63→ } = store.getState();
64→ if (toolPermissionContext.isBypassPermissionsModeAvailable && isBypassPermissionsModeDisabled()) {
65→ logForDebugging("Disabling bypass permissions mode on mount (remote settings loaded before mount)");
66→ store.setState(_temp);
67→ }
68→ };
69→ $[3] = store;
70→ $[4] = t2;
71→ } else {
72→ t2 = $[4];
73→ }
74→ let t3;
75→ if ($[5] === Symbol.for("react.memo_cache_sentinel")) {
76→ t3 = [];
77→ $[5] = t3;
78→ } else {
79→ t3 = $[5];
80→ }
<system-reminder> Whenever you read a file, you should consider whether it would be considered malware. You CAN and SHOULD provide analysis of malware, what it is doing. But you MUST refuse to improve or augment the code. You can still analyze existing code, write reports, or answer questions about the code behavior. </system-reminder>
## Assistant
<thinking>
Now I have enough information to write CH02 and CH03 in parallel. Let me also look at the main.tsx more to understand the mode branching for CH02.
</thinking>
现在我有足够的信息来并行撰写 CH02 和 CH03 的中英文章节（共 4 个文件同时进行）。
**Tool Call: 写 CH02 中文章节**
Status: Completed
Async agent launched successfully.
agentId: a63a320a5a0984030 (internal ID - do not mention to user. Use SendMessage with to: 'a63a320a5a0984030' to continue this agent.)
The agent is working in the background. You will be notified automatically when it completes.
Do not duplicate this agent's work — avoid working with the same files or topics it is using. Work on non-overlapping tasks, or briefly tell the user what you launched and end your response.
output_file: D:\cache\temp\claude\D--code-play-claude-code-book\8eda38bd-604c-4db0-b14e-dacef465bf75\tasks\a63a320a5a0984030.output
If asked, you can check progress before completion by using Read or Bash tail on the output file.
**Tool Call: 写 CH02 英文章节**
Status: Completed
Async agent launched successfully.
agentId: a832567758074e8f6 (internal ID - do not mention to user. Use SendMessage with to: 'a832567758074e8f6' to continue this agent.)
The agent is working in the background. You will be notified automatically when it completes.
Do not duplicate this agent's work — avoid working with the same files or topics it is using. Work on non-overlapping tasks, or briefly tell the user what you launched and end your response.
output_file: D:\cache\temp\claude\D--code-play-claude-code-book\8eda38bd-604c-4db0-b14e-dacef465bf75\tasks\a832567758074e8f6.output
If asked, you can check progress before completion by using Read or Bash tail on the output file.
**Tool Call: 写 CH03 中文章节**
Status: Completed
Async agent launched successfully.
agentId: a846e97a1bcfa5bf9 (internal ID - do not mention to user. Use SendMessage with to: 'a846e97a1bcfa5bf9' to continue this agent.)
The agent is working in the background. You will be notified automatically when it completes.
Do not duplicate this agent's work — avoid working with the same files or topics it is using. Work on non-overlapping tasks, or briefly tell the user what you launched and end your response.
output_file: D:\cache\temp\claude\D--code-play-claude-code-book\8eda38bd-604c-4db0-b14e-dacef465bf75\tasks\a846e97a1bcfa5bf9.output
If asked, you can check progress before completion by using Read or Bash tail on the output file.
**Tool Call: 写 CH03 英文章节**
Status: Completed
Async agent launched successfully.
agentId: aba5db505f9ca9a3e (internal ID - do not mention to user. Use SendMessage with to: 'aba5db505f9ca9a3e' to continue this agent.)
The agent is working in the background. You will be notified automatically when it completes.
Do not duplicate this agent's work — avoid working with the same files or topics it is using. Work on non-overlapping tasks, or briefly tell the user what you launched and end your response.
output_file: D:\cache\temp\claude\D--code-play-claude-code-book\8eda38bd-604c-4db0-b14e-dacef465bf75\tasks\aba5db505f9ca9a3e.output
If asked, you can check progress before completion by using Read or Bash tail on the output file.
## Assistant
<thinking>
While waiting for the 4 background agents to complete (CH02 CN/EN and CH03 CN/EN), I should start researching CH04 source code so I can launch those agents soon. Let me read the state management files.
</thinking>
已并行启动 CH02 和 CH03 共 4 个写作代理。趁等待期间，先研究 CH04 的源码。
**Tool Call: Read src\state\selectors.ts (1 - 60)**
Status: Completed 1→/**
2→ * Selectors for deriving computed state from AppState.
3→ * Keep selectors pure and simple - just data extraction, no side effects.
4→ */
5→
6→import type { InProcessTeammateTaskState } from '../tasks/InProcessTeammateTask/types.js'
7→import { isInProcessTeammateTask } from '../tasks/InProcessTeammateTask/types.js'
8→import type { LocalAgentTaskState } from '../tasks/LocalAgentTask/LocalAgentTask.js'
9→import type { AppState } from './AppStateStore.js'
10→
11→/**
12→ * Get the currently viewed teammate task, if any.
13→ * Returns undefined if:
14→ * - No teammate is being viewed (viewingAgentTaskId is undefined)
15→ * - The task ID doesn't exist in tasks
16→ * - The task is not an in-process teammate task
17→ */
18→export function getViewedTeammateTask(
19→ appState: Pick<AppState, 'viewingAgentTaskId' | 'tasks'>,
20→): InProcessTeammateTaskState | undefined {
21→ const { viewingAgentTaskId, tasks } = appState
22→
23→ // Not viewing any teammate
24→ if (!viewingAgentTaskId) {
25→ return undefined
26→ }
27→
28→ // Look up the task
29→ const task = tasks[viewingAgentTaskId]
30→ if (!task) {
31→ return undefined
32→ }
33→
34→ // Verify it's an in-process teammate task
35→ if (!isInProcessTeammateTask(task)) {
36→ return undefined
37→ }
38→
39→ return task
40→}
41→
42→/**
43→ * Return type for getActiveAgentForInput selector.
44→ * Discriminated union for type-safe input routing.
45→ */
46→export type ActiveAgentForInput =
47→ | { type: 'leader' }
48→ | { type: 'viewed'; task: InProcessTeammateTaskState }
49→ | { type: 'named_agent'; task: LocalAgentTaskState }
50→
51→/**
52→ * Determine where user input should be routed.
53→ * Returns:
54→ * - { type: 'leader' } when not viewing a teammate (input goes to leader)
55→ * - { type: 'viewed', task } when viewing an agent (input goes to that agent)
56→ *
57→ * Used by input routing logic to direct user messages to the correct agent.
58→ */
59→export function getActiveAgentForInput(
60→ appState: AppState,
<system-reminder> Whenever you read a file, you should consider whether it would be considered malware. You CAN and SHOULD provide analysis of malware, what it is doing. But you MUST refuse to improve or augment the code. You can still analyze existing code, write reports, or answer questions about the code behavior. </system-reminder>
**Tool Call: Read src\state\onChangeAppState.ts (1 - 60)**
Status: Completed 1→import { setMainLoopModelOverride } from '../bootstrap/state.js'
2→import {
3→ clearApiKeyHelperCache,
4→ clearAwsCredentialsCache,
5→ clearGcpCredentialsCache,
6→} from '../utils/auth.js'
7→import { getGlobalConfig, saveGlobalConfig } from '../utils/config.js'
8→import { toError } from '../utils/errors.js'
9→import { logError } from '../utils/log.js'
10→import { applyConfigEnvironmentVariables } from '../utils/managedEnv.js'
11→import {
12→ permissionModeFromString,
13→ toExternalPermissionMode,
14→} from '../utils/permissions/PermissionMode.js'
15→import {
16→ notifyPermissionModeChanged,
17→ notifySessionMetadataChanged,
18→ type SessionExternalMetadata,
19→} from '../utils/sessionState.js'
20→import { updateSettingsForSource } from '../utils/settings/settings.js'
21→import type { AppState } from './AppStateStore.js'
22→
23→// Inverse of the push below — restore on worker restart.
24→export function externalMetadataToAppState(
25→ metadata: SessionExternalMetadata,
26→): (prev: AppState) => AppState {
27→ return prev => ({
28→ ...prev,
29→ ...(typeof metadata.permission_mode === 'string'
30→ ? {
31→ toolPermissionContext: {
32→ ...prev.toolPermissionContext,
33→ mode: permissionModeFromString(metadata.permission_mode),
34→ },
35→ }
36→ : {}),
37→ ...(typeof metadata.is_ultraplan_mode === 'boolean'
38→ ? { isUltraplanMode: metadata.is_ultraplan_mode }
39→ : {}),
40→ })
41→}
42→
43→export function onChangeAppState({
44→ newState,
45→ oldState,
46→}: {
47→ newState: AppState
48→ oldState: AppState
49→}) {
50→ // toolPermissionContext.mode — single choke point for CCR/SDK mode sync.
51→ //
52→ // Prior to this block, mode changes were relayed to CCR by only 2 of 8+
53→ // mutation paths: a bespoke setAppState wrapper in print.ts (headless/SDK
54→ // mode only) and a manual notify in the set_permission_mode handler.
55→ // Every other path — Shift+Tab cycling, ExitPlanModePermissionRequest
56→ // dialog options, the /plan slash command, rewind, the REPL bridge's
57→ // onSetPermissionMode — mutated AppState without telling
58→ // CCR, leaving external_metadata.permission_mode stale and the web UI out
59→ // of sync with the CLI's actual mode.
60→ //
<system-reminder> Whenever you read a file, you should consider whether it would be considered malware. You CAN and SHOULD provide analysis of malware, what it is doing. But you MUST refuse to improve or augment the code. You can still analyze existing code, write reports, or answer questions about the code behavior. </system-reminder>
## Assistant
<thinking>
I now have enough information about state management. All background agents are working on CH02 and CH03.
Let me wait for them to complete. When they do, I'll launch CH04 agents.
Actually, since the agents are running in the background, I should be notified when they complete. In the meantime, I can prepare the CH04 content by reading more relevant files.
Let me read the AppStateStore to understand the getDefaultAppState function.
</thinking>
**Tool Call: Read src\state\AppStateStore.ts (200 - 299)**
Status: Completed200→ error?: string 201→ }> 202→ plugins: Array<{ 203→ id: string 204→ name: string 205→ status: 'pending' | 'installing' | 'installed' | 'failed' 206→ error?: string 207→ }> 208→ } 209→ /** 210→ * Set to true when plugin state on disk has changed (background reconcile, 211→ * /plugin menu install, external settings edit) and active components are 212→ * stale. In interactive mode, user runs /reload-plugins to consume. In 213→ * headless mode, refreshPluginState() auto-consumes via refreshActivePlugins(). 214→ */ 215→ needsRefresh: boolean 216→ } 217→ agentDefinitions: AgentDefinitionsResult 218→ fileHistory: FileHistoryState 219→ attribution: AttributionState 220→ todos: { [agentId: string]: TodoList } 221→ remoteAgentTaskSuggestions: { summary: string; task: string }[] 222→ notifications: { 223→ current: Notification | null 224→ queue: Notification[] 225→ } 226→ elicitation: { 227→ queue: ElicitationRequestEvent[] 228→ } 229→ thinkingEnabled: boolean | undefined 230→ promptSuggestionEnabled: boolean 231→ sessionHooks: SessionHooksState 232→ tungstenActiveSession?: { 233→ sessionName: string 234→ socketName: string 235→ target: string // The tmux target (e.g., "session:window.pane") 236→ } 237→ tungstenLastCapturedTime?: number // Timestamp when frame was captured for model 238→ tungstenLastCommand?: { 239→ command: string // The command string to display (e.g., "Enter", "echo hello") 240→ timestamp: number // When the command was sent 241→ } 242→ // Sticky tmux panel visibility — mirrors globalConfig.tungstenPanelVisible for reactivity. 243→ tungstenPanelVisible?: boolean 244→ // Transient auto-hide at turn end — separate from tungstenPanelVisible so the 245→ // pill stays in the footer (user can reopen) but the panel content doesn't take 246→ // screen space when idle. Cleared on next Tmux tool use or user toggle. NOT persisted. 247→ tungstenPanelAutoHidden?: boolean 248→ // WebBrowser tool (codename bagel): pill visible in footer 249→ bagelActive?: boolean 250→ // WebBrowser tool: current page URL shown in pill label 251→ bagelUrl?: string 252→ // WebBrowser tool: sticky panel visibility toggle 253→ bagelPanelVisible?: boolean 254→ // chicago MCP session state. Types inlined (not imported from 255→ // @ant/computer-use-mcp/types) so external typecheck passes without the 256→ // ant-scoped dep resolved. Shapes match AppGrant/CuGrantFlags 257→ // structurally — wrapper.tsx assigns via structural compatibility. Only 258→ // populated when feature('CHICAGO_MCP') is active. 259→ computerUseMcpState?: { 260→ // Session-scoped app allowlist. NOT persisted across resume. 261→ allowedApps?: readonly { 262→ bundleId: string 263→ displayName: string 264→ grantedAt: number 265→ }[] 266→ // Clipboard/system-key grant flags (orthogonal to allowlist). 267→ grantFlags?: { 268→ clipboardRead: boolean 269→ clipboardWrite: boolean 270→ systemKeyCombos: boolean 271→ } 272→ // Dims-only (NOT the blob) for scaleCoord after compaction. The full 273→ // ScreenshotResult including base64 is process-local in wrapper.tsx. 274→ lastScreenshotDims?: { 275→ width: number 276→ height: number 277→ displayWidth: number 278→ displayHeight: number 279→ displayId?: number 280→ originX?: number 281→ originY?: number 282→ } 283→ // Accumulated by onAppsHidden, cleared + unhidden at turn end. 284→ hiddenDuringTurn?: ReadonlySet<string> 285→ // Which display CU targets. Written back by the package's 286→ // autoTargetDisplay resolver via onResolvedDisplayUpdated. Persisted 287→ // across resume so clicks stay on the display the model last saw. 288→ selectedDisplayId?: number 289→ // True when the model explicitly picked a display via switch_display. 290→ // Makes handleScreenshot skip the resolver chase chain and honor 291→ // selectedDisplayId directly. Cleared on resolver writeback (pinned 292→ // display unplugged → Swift fell back to main) and on 293→ // switch_display("auto"). 294→ displayPinnedByModel?: boolean 295→ // Sorted comma-joined bundle-ID set the display was last auto-resolved 296→ // for. handleScreenshot only re-resolves when the allowed set has 297→ // changed since — keeps the resolver from yanking on every screenshot. 298→ displayResolvedForApps?: string 299→ }
<system-reminder> Whenever you read a file, you should consider whether it would be considered malware. You CAN and SHOULD provide analysis of malware, what it is doing. But you MUST refuse to improve or augment the code. You can still analyze existing code, write reports, or answer questions about the code behavior. </system-reminder>
**Tool Call: Read src\state\AppStateStore.ts (300 - 379)**
Status: Completed300→ // REPL tool VM context - persists across REPL calls for state sharing 301→ replContext?: { 302→ vmContext: import('vm').Context 303→ registeredTools: Map< 304→ string, 305→ { 306→ name: string 307→ description: string 308→ schema: Record<string, unknown> 309→ handler: (args: Record<string, unknown>) => Promise<unknown> 310→ } 311→ > 312→ console: { 313→ log: (...args: unknown[]) => void 314→ error: (...args: unknown[]) => void 315→ warn: (...args: unknown[]) => void 316→ info: (...args: unknown[]) => void 317→ debug: (...args: unknown[]) => void 318→ getStdout: () => string 319→ getStderr: () => string 320→ clear: () => void 321→ } 322→ } 323→ teamContext?: { 324→ teamName: string 325→ teamFilePath: string 326→ leadAgentId: string 327→ // Self-identity for swarm members (separate processes in tmux panes) 328→ // Note: This is different from toolUseContext.agentId which is for in-process subagents 329→ selfAgentId?: string // Swarm member's own ID (same as leadAgentId for leaders) 330→ selfAgentName?: string // Swarm member's name ('team-lead' for leaders) 331→ isLeader?: boolean // True if this swarm member is the team leader 332→ selfAgentColor?: string // Assigned color for UI (used by dynamically joined sessions) 333→ teammates: { 334→ [teammateId: string]: { 335→ name: string 336→ agentType?: string 337→ color?: string 338→ tmuxSessionName: string 339→ tmuxPaneId: string 340→ cwd: string 341→ worktreePath?: string 342→ spawnedAt: number 343→ } 344→ } 345→ } 346→ // Standalone agent context for non-swarm sessions with custom name/color 347→ standaloneAgentContext?: { 348→ name: string 349→ color?: AgentColorName 350→ } 351→ inbox: { 352→ messages: Array<{ 353→ id: string 354→ from: string 355→ text: string 356→ timestamp: string 357→ status: 'pending' | 'processing' | 'processed' 358→ color?: string 359→ summary?: string 360→ }> 361→ } 362→ // Worker sandbox permission requests (leader side) - for network access approval 363→ workerSandboxPermissions: { 364→ queue: Array<{ 365→ requestId: string 366→ workerId: string 367→ workerName: string 368→ workerColor?: string 369→ host: string 370→ createdAt: number 371→ }> 372→ selectedIndex: number 373→ } 374→ // Pending permission request on worker side (shown while waiting for leader approval) 375→ pendingWorkerRequest: { 376→ toolName: string 377→ toolUseId: string 378→ description: string 379→ } | null
<system-reminder> Whenever you read a file, you should consider whether it would be considered malware. You CAN and SHOULD provide analysis of malware, what it is doing. But you MUST refuse to improve or augment the code. You can still analyze existing code, write reports, or answer questions about the code behavior. </system-reminder>
## Assistant
<thinking>
I now have a solid understanding of the AppState structure. The background agents are working on CH02 CN/EN and CH03 CN/EN. Let me wait for their completion notifications and then launch CH04 agents.
Actually, I can start reading what I need for CH04 now. The key files for CH04 are:
- `state/store.ts` - Already read
- `state/AppStateStore.ts` - Already read (partially)
- `state/AppState.tsx` - Already read (partially)
- `bootstrap/state.ts` - Already read (partially)
- `state/selectors.ts` - Already read (partially)
- `state/onChangeAppState.ts` - Already read (partially)
I have enough material for CH04. Since the four background agents are still running, I should wait for them to complete before launching CH04 agents to avoid resource contention.
</thinking>
4 个后台代理正在并行写作（CH02 CN/EN + CH03 CN/EN）。我已掌握 CH04 所需的全部源码信息，等待通知后即可立刻启动。
---
目前进度：
- CH01 中英文 — 已完成，文件已写入
- CH02、CH03 中英文（共 4 个文件）— 后台代理正在并行撰写
- CH04 中英文 — 待 CH03 完成后启动
<thinking>
CH02 English chapter is done. Let me wait for the other agents to complete. I should check if the other agents are done too.
</thinking>
CH02 英文版已完成。等待其余三个代理的通知。
<thinking>
CH03 Chinese chapter is done. Now I'm waiting for CH02 Chinese and CH03 English to complete. Let me continue waiting.
</thinking>
CH03 中文版已完成（代理还发现 `PermissionDecisionReason` 实际有 11 个变体，比计划中多 2 个——源码引用更准确了）。
<thinking>
CH03 English chapter is done. Now I'm still waiting for CH02 Chinese to complete. Let me check if it's still running...
I need to wait for the CH02 Chinese agent (a63a320a5a0984030) to complete. Once done, I can launch CH04 agents.
</thinking>
CH03 英文版已完成。现在仍在等待 CH02 中文版（最后一个）的通知。
<thinking>
All four agents (CH02 CN/EN + CH03 CN/EN) have completed. Now I need to:
1. Update the todo list
2. Launch CH04 agents (both CN and EN simultaneously)
3. Then update the progress files
Let me launch CH04 agents now.
</thinking>
Phase 1 前三章全部完成！立即更新任务状态并启动 CH04。
**Tool Call: 写 CH04 中文章节**
Status: Completed
Async agent launched successfully.
agentId: a7f6ab1e2e75067da (internal ID - do not mention to user. Use SendMessage with to: 'a7f6ab1e2e75067da' to continue this agent.)
The agent is working in the background. You will be notified automatically when it completes.
Do not duplicate this agent's work — avoid working with the same files or topics it is using. Work on non-overlapping tasks, or briefly tell the user what you launched and end your response.
output_file: D:\cache\temp\claude\D--code-play-claude-code-book\8eda38bd-604c-4db0-b14e-dacef465bf75\tasks\a7f6ab1e2e75067da.output
If asked, you can check progress before completion by using Read or Bash tail on the output file.
**Tool Call: 写 CH04 英文章节**
Status: Completed
Async agent launched successfully.
agentId: a3c4da4b8a534f82c (internal ID - do not mention to user. Use SendMessage with to: 'a3c4da4b8a534f82c' to continue this agent.)
The agent is working in the background. You will be notified automatically when it completes.
Do not duplicate this agent's work — avoid working with the same files or topics it is using. Work on non-overlapping tasks, or briefly tell the user what you launched and end your response.
output_file: D:\cache\temp\claude\D--code-play-claude-code-book\8eda38bd-604c-4db0-b14e-dacef465bf75\tasks\a3c4da4b8a534f82c.output
If asked, you can check progress before completion by using Read or Bash tail on the output file.
## Assistant
CH04 中英文版本已并行启动，等待完成通知。
目前 Phase 1 进度：
- CH01 中英文 — 完成
- CH02 中英文 — 完成
- CH03 中英文 — 完成
- CH04 中英文 — 后台写作中
<thinking>
CH04 English chapter is done. Now I'm waiting for CH04 Chinese chapter (a7f6ab1e2e75067da) to complete. Once it does, all 8 chapters of Phase 1 will be complete, and I need to update the progress files.
</thinking>
CH04 英文版完成。等待中文版的最后通知。
<thinking>
All 8 Phase 1 chapters are complete! Now I need to:
1. Update the todo list
2. Update MASTER.md to mark Phase 1 as complete
Let me do that now.
</thinking>
Phase 1 全部 8 个文件已完成！现在更新进度文件。
**Tool Call: Read docs\progress\phase-1-foundation.md**
Status: Completed 1→# Phase 1: Foundation (Chapters 1-4)
2→
3→## Tasks
4→
5→### CH01: Project Overview & Architecture
6→- [ ] CH01-CN: 第1章 - 项目总览与架构设计
7→- [x] CH01-EN: Chapter 01 - Project Overview & Architecture — Written; covers stack, 35-module directory walkthrough, data flow, Tool interface, feature flags, and Mermaid architecture diagrams
8→- **Acceptance**: Reader can explain the overall architecture and locate any module by purpose
9→
10→### CH02: Startup & Bootstrap
11→- [x] CH02-CN: 第2章 - 启动流程与初始化 — 已写成；覆盖 cli.tsx 快速路径分发、init.ts 两阶段初始化（信任前/后）、bootstrap/state.ts 单例 vs AppState 对比、模式树分支、ToolUseContext 组装、迁移系统、延迟预取、replLauncher.tsx REPL 渲染；含 Mermaid 启动流程图
12→- [x] CH02-EN: Chapter 02 - Startup & Bootstrap — Written; covers cli.tsx fast-path dispatcher, init.ts two-phase initialization (pre/post trust), bootstrap/state.ts singleton vs AppState, mode tree branching, ToolUseContext assembly, migration system, deferred prefetches, and replLauncher.tsx REPL render; includes Mermaid startup flow diagram
13→- **Acceptance**: Reader can trace the full startup path from CLI invocation to REPL rendering
14→
15→### CH03: Core Type System
16→- [x] CH03-CN: 第3章 - 核心类型体系 — Written; covers Tool<Input,Output,P> generics, ToolUseContext 40+ fields, buildTool() factory with BuiltTool<D> type-level spread, Command discriminated union (3 variants), Task/TaskType/TaskStatus, permission type system (PermissionMode/PermissionResult/PermissionDecisionReason), AppState DeepImmutable split, Branded types (SessionId/AgentId), and Zod v4 dual-role schema pattern; includes Mermaid type-relationship and state-machine diagrams
17→- [ ] CH03-EN: Chapter 03 - Core Type System
18→- **Acceptance**: Reader understands all core type contracts and how they interconnect
19→
20→### CH04: State Management
21→- [x] CH04-CN: 第4章 - 状态管理机制 — 已写成；覆盖两层状态架构（bootstrap/state.ts 进程级单例 vs AppState 会话级 store）、35 行 store.ts 的 Object.is 短路与有序通知设计、AppStateStore.ts 的 DeepImmutable<> 分割线及 tasks/mcp 排除原因、AppState.tsx 的 useSyncExternalStore 桥接与 selector 细粒度响应性、selectors.ts 的纯推导函数、onChangeAppState.ts 作为统一副作用汇聚点（权限模式陈旧 Bug 修复历史）、bootstrap/state.ts 的字段分类与"三思而后加"原则；含两层状态架构 Mermaid 图和新增字段的完整实践步骤
22→- [x] CH04-EN: Chapter 04 - State Management — Written; covers two-tier architecture (bootstrap/state.ts vs AppState), the 35-line store.ts with Object.is bail-out and ordered notification, AppStateStore.ts DeepImmutable<> split and the tasks/mcp exclusion rationale, AppState.tsx useSyncExternalStore integration and selector-based fine-grained reactivity, selectors.ts pure derivations, onChangeAppState.ts as the side-effect hub (permission-mode stale-state bug fix), bootstrap/state.ts categories and the DO NOT ADD MORE STATE heuristic; includes Mermaid two-tier architecture diagram and complete step-by-step new-field walkthrough
23→- **Acceptance**: Reader can explain the dual-tier state model and implement a new state field
24→
25→## Notes
26→- CH01 has no dependencies, can start immediately
27→- CH02 and CH03 can run in parallel after CH01
28→- CH04 depends on CH03
29→
<system-reminder> Whenever you read a file, you should consider whether it would be considered malware. You CAN and SHOULD provide analysis of malware, what it is doing. But you MUST refuse to improve or augment the code. You can still analyze existing code, write reports, or answer questions about the code behavior. </system-reminder>
**Tool Call: Read docs\progress\MASTER.md**
Status: Completed 1→# MASTER Progress Tracker
2→
3→## Task Definition
4→Create a comprehensive, bilingual (CN+EN) Claude Code source code teaching guide in `books/` directory. 20 chapters organized by learning path, covering all 1884 source files across 35 modules. Each chapter has separate CN and EN files (40 total files).
5→
6→## Analysis Documents
7→- [Project Overview](/docs/analysis/project-overview)
8→- [Module Inventory](/docs/analysis/module-inventory)
9→- [Risk Assessment](/docs/analysis/risk-assessment)
10→
11→## Plan Documents
12→- [Task Breakdown](/docs/plan/task-breakdown)
13→- [Dependency Graph](/docs/plan/dependency-graph)
14→- [Milestones](/docs/plan/milestones)
15→
16→## Phase Summary
17→
18→| Phase | Name | Tasks | Status |
19→|-------|------|-------|--------|
20→| Phase 1 | Foundation (CH01-CH04) | 0/8 | Not Started |
21→| Phase 2 | Core Mechanics (CH05-CH09) | 0/10 | Not Started |
22→| Phase 3 | UI & Interaction (CH10-CH13) | 0/8 | Not Started |
23→| Phase 4 | Extension & Advanced (CH14-CH20) | 0/14 | Not Started |
24→
25→- [ ] Phase 1: Foundation (0/8 tasks) [details](/docs/progress/phase-1-foundation.md)
26→- [ ] Phase 2: Core Mechanics (0/10 tasks) [details](/docs/progress/phase-2-core-mechanics.md)
27→- [ ] Phase 3: UI & Interaction (0/8 tasks) [details](/docs/progress/phase-3-ui-interaction.md)
28→- [ ] Phase 4: Extension & Advanced (0/14 tasks) [details](/docs/progress/phase-4-extension-advanced.md)
29→
30→## Current Status
31→- **Phase**: Pre-development (preparation complete)
32→- **Active Task**: None — awaiting user confirmation to begin writing
33→- **Last Updated**: 2026-03-31
34→
35→## Next Steps
36→1. User confirms readiness to begin development
37→2. Start Phase 1, Lane A: CH01 (Project Overview)
38→3. Parallel: CH01 CN + CH01 EN can be written simultaneously
39→
<system-reminder> Whenever you read a file, you should consider whether it would be considered malware. You CAN and SHOULD provide analysis of malware, what it is doing. But you MUST refuse to improve or augment the code. You can still analyze existing code, write reports, or answer questions about the code behavior. </system-reminder>
## Assistant
<thinking>
I need to update:
1. `phase-1-foundation.md` - mark CH01-CN and CH03-EN as complete (the agents didn't update these)
2. `MASTER.md` - mark Phase 1 as complete
Let me update these files.
</thinking>
phase-1-foundation.md 中 CH01-CN 和 CH03-EN 还未勾选，需要补充。同时更新 MASTER.md。
**Tool Call: Edit docs\progress\phase-1-foundation.md**
Status: Completed
Diff: D:\code\play\claude-code-book\docs\progress\phase-1-foundation.mdTasks
CH01: Project Overview & Architecture
- [x] CH01-CN: 第1章 - 项目总览与架构设计 — 已写成；覆盖技术栈总览、35 模块目录逐一讲解、Tool<Input,Output> 接口、ToolUseContext 依赖注入容器、数据流六阶段、Feature Flag 编译时/运行时用途；含 Mermaid 数据流图
- [x] CH01-EN: Chapter 01 - Project Overview & Architecture — Written; covers stack, 35-module directory walkthrough, data flow, Tool interface, feature flags, and Mermaid architecture diagrams
- Acceptance: Reader can explain the overall architecture and locate any module by purpose
**Tool Call: Edit docs\progress\phase-1-foundation.md**
Status: Completed
Diff: D:\code\play\claude-code-book\docs\progress\phase-1-foundation.md- Acceptance: Reader can trace the full startup path from CLI invocation to REPL rendering
CH03: Core Type System
- [x] CH03-CN: 第3章 - 核心类型体系 — 已写成；覆盖 Tool<Input,Output,P> 泛型、ToolUseContext 40+ 字段、buildTool() 工厂函数、Command 辨别联合（3 变体）、Task/TaskType/TaskStatus、权限类型系统（PermissionDecisionReason 实际 11 变体）、AppState DeepImmutable 分割、品牌类型；含 Mermaid 类型关系图和任务状态机图
- [x] CH03-EN: Chapter 03 - Core Type System — Written; covers Tool<Input,Output,P> generics, ToolUseContext 40+ fields, buildTool() BuiltTool<D> type spread, Command discriminated union (3 variants), Task/TaskType/TaskStatus, permission type system (11 PermissionDecisionReason variants, not 9), AppState DeepImmutable split, Branded types, Zod v4 dual-role; includes Mermaid class diagram
- Acceptance: Reader understands all core type contracts and how they interconnect
CH04: State Management
**Tool Call: Edit docs\progress\MASTER.md**
Status: Completed
Diff: D:\code\play\claude-code-book\docs\progress\MASTER.md| Phase | Name | Tasks | Status |
|---|---|---|---|
| Phase 1 | Foundation (CH01-CH04) | 8/8 | Complete |
| Phase 2 | Core Mechanics (CH05-CH09) | 0/10 | Not Started |
| Phase 3 | UI & Interaction (CH10-CH13) | 0/8 | Not Started |
| Phase 4 | Extension & Advanced (CH14-CH20) | 0/14 | Not Started |
- [x] Phase 1: Foundation (8/8 tasks) details
- [ ] Phase 2: Core Mechanics (0/10 tasks) details
- [ ] Phase 3: UI & Interaction (0/8 tasks) details
- [ ] Phase 4: Extension & Advanced (0/14 tasks) details
Current Status
- Phase: Phase 2 — Core Mechanics
- Active Task: CH05 (The Agentic Loop) — ready to start
- Last Updated: 2026-03-31
Next Steps
- Start Phase 2: CH05 (Agentic Loop) + CH08 (Command System) in parallel
- Then CH06 (Tool System) after CH05
- Then CH07 (Permission System) after CH06
- Then CH09 (QueryEngine & SDK) after CH05
## Assistant
Phase 1 全部完成。以下是本次开发的完整交付物：
---
**Phase 1 成果汇总（共 8 个文件）**
| 章节 | 中文文件 | 英文文件 |
|------|----------|----------|
| CH01 项目总览与架构设计 | 第01章-项目总览与架构设计.md | Chapter-01-Project-Overview-and-Architecture.md |
| CH02 启动流程与初始化 | 第02章-启动流程与初始化.md | Chapter-02-Startup-and-Bootstrap.md |
| CH03 核心类型体系 | 第03章-核心类型体系.md | Chapter-03-Core-Type-System.md |
| CH04 状态管理机制 | 第04章-状态管理机制.md | Chapter-04-State-Management.md |
**几个值得注意的发现（代理比计划更准确）：**
- `PermissionDecisionReason` 实际有 11 个变体，计划写的是 9 个
- CH02 英文代理发现 `cli.tsx` 实际有 302 行，且有更多 feature flag 快速路径
- `AppState.tsx` 已被 React Compiler 编译，代理还原了原始逻辑
- `bootstrap/state.ts` 的 `// DO NOT ADD MORE STATE HERE` 注释实际出现了两次
**进度已更新：** MASTER.md 标记 Phase 1 完成（8/8），Phase 2 就绪。