fix: 为所有 skill 的 .workflow/ 路径添加 projectRoot 前缀

从子目录执行 skill 时，相对路径 .workflow/ 会导致产物落到错误位置。
通过 git rev-parse --show-toplevel || pwd 检测项目根目录，
所有 .workflow/ 路径引用统一加上 {projectRoot} 前缀确保路径正确。

涉及 72 个文件，覆盖 20+ 个 skill。

.codex/skills/ccw-loop-b/phases/01-session-init.md

@@ -12,6 +12,13 @@ Create or resume a development loop, initialize state file and directory structu
 
 ## Execution
 
+### Step 0: Determine Project Root
+
+```javascript
+// Step 0: Determine Project Root
+const projectRoot = Bash('git rev-parse --show-toplevel 2>/dev/null || pwd').trim()
+```
+
 ### Step 1.1: Parse Arguments
 
 ```javascript
@@ -37,14 +44,14 @@ if (!validModes.includes(mode)) {
 const getUtc8ISOString = () => new Date(Date.now() + 8 * 60 * 60 * 1000).toISOString()
 
 function readState(loopId) {
-  const stateFile = `.workflow/.loop/${loopId}.json`
+  const stateFile = `${projectRoot}/.workflow/.loop/${loopId}.json`
   if (!fs.existsSync(stateFile)) return null
   return JSON.parse(Read(stateFile))
 }
 
 function saveState(loopId, state) {
   state.updated_at = getUtc8ISOString()
-  Write(`.workflow/.loop/${loopId}.json`, JSON.stringify(state, null, 2))
+  Write(`${projectRoot}/.workflow/.loop/${loopId}.json`, JSON.stringify(state, null, 2))
 }
 ```
 
@@ -63,8 +70,8 @@ console.log(`Creating new loop: ${loopId}`)
 #### Create Directory Structure
 
 ```bash
-mkdir -p .workflow/.loop/${loopId}.workers
-mkdir -p .workflow/.loop/${loopId}.progress
+mkdir -p ${projectRoot}/.workflow/.loop/${loopId}.workers
+mkdir -p ${projectRoot}/.workflow/.loop/${loopId}.progress
 ```
 
 #### Initialize State File
@@ -95,7 +102,7 @@ function createState(loopId, taskDescription, mode) {
     }
   }
 
-  Write(`.workflow/.loop/${loopId}.json`, JSON.stringify(state, null, 2))
+  Write(`${projectRoot}/.workflow/.loop/${loopId}.json`, JSON.stringify(state, null, 2))
   return state
 }
 ```
@@ -146,8 +153,8 @@ function checkControlSignals(loopId) {
 
 - **Variable**: `loopId` - Unique loop identifier
 - **Variable**: `state` - Initialized or resumed loop state object
-- **Variable**: `progressDir` - `.workflow/.loop/${loopId}.progress`
-- **Variable**: `workersDir` - `.workflow/.loop/${loopId}.workers`
+- **Variable**: `progressDir` - `${projectRoot}/.workflow/.loop/${loopId}.progress`
+- **Variable**: `workersDir` - `${projectRoot}/.workflow/.loop/${loopId}.workers`
 - **Variable**: `mode` - `'interactive'` / `'auto'` / `'parallel'`
 - **TodoWrite**: Mark Phase 1 completed, Phase 2 in_progress
 

.codex/skills/ccw-loop-b/phases/02-orchestration-loop.md

@@ -227,8 +227,8 @@ function buildWorkerPrompt(action, loopId, state) {
 
 ### MANDATORY FIRST STEPS (Agent Execute)
 1. **Read role definition**: ${roleFiles[action]} (MUST read first)
-2. Read: .workflow/project-tech.json
-3. Read: .workflow/project-guidelines.json
+2. Read: ${projectRoot}/.workflow/project-tech.json
+3. Read: ${projectRoot}/.workflow/project-guidelines.json
 
 ---
 
@@ -242,9 +242,9 @@ Scope:
 Context:
 - Loop ID: ${loopId}
 - Action: ${action}
-- State File: .workflow/.loop/${loopId}.json
-- Output File: .workflow/.loop/${loopId}.workers/${action}.output.json
-- Progress File: .workflow/.loop/${loopId}.progress/${action}.md
+- State File: ${projectRoot}/.workflow/.loop/${loopId}.json
+- Output File: ${projectRoot}/.workflow/.loop/${loopId}.workers/${action}.output.json
+- Progress File: ${projectRoot}/.workflow/.loop/${loopId}.progress/${action}.md
 
 Deliverables:
 - WORKER_RESULT 格式输出
@@ -432,7 +432,7 @@ async function showMenuAndGetChoice(state) {
 
 ```javascript
 function persistWorkerOutput(loopId, action, workerResult) {
-  const outputPath = `.workflow/.loop/${loopId}.workers/${action}.output.json`
+  const outputPath = `${projectRoot}/.workflow/.loop/${loopId}.workers/${action}.output.json`
   Write(outputPath, JSON.stringify({
     ...workerResult,
     timestamp: getUtc8ISOString()

.codex/skills/ccw-loop-b/phases/orchestrator.md

@@ -14,7 +14,7 @@ Read state -> Select mode -> Spawn workers -> Wait results -> Merge -> Update st
 
 ```javascript
 function readState(loopId) {
-  const stateFile = `.workflow/.loop/${loopId}.json`
+  const stateFile = `${projectRoot}/.workflow/.loop/${loopId}.json`
   return fs.existsSync(stateFile)
     ? JSON.parse(Read(stateFile))
     : null
@@ -178,8 +178,8 @@ function buildWorkerPrompt(action, loopId, state) {
 
 ### MANDATORY FIRST STEPS
 1. **Read role definition**: ${roleFiles[action]}
-2. Read: .workflow/project-tech.json
-3. Read: .workflow/project-guidelines.json
+2. Read: ${projectRoot}/.workflow/project-tech.json
+3. Read: ${projectRoot}/.workflow/project-guidelines.json
 
 ---
 
@@ -252,6 +252,6 @@ function parseWorkerResult(output) {
 ## Best Practices
 
 1. **Worker 生命周期**: spawn → wait → close，不保留 worker
-2. **结果持久化**: Worker 输出写入 `.workflow/.loop/{loopId}.workers/`
+2. **结果持久化**: Worker 输出写入 `{projectRoot}/.workflow/.loop/{loopId}.workers/`
 3. **状态同步**: 每次 worker 完成后更新 state
 4. **超时处理**: send_input 请求收敛，再超时则跳过

.codex/skills/ccw-loop-b/phases/state-schema.md

@@ -56,7 +56,7 @@
 
 ## Worker Output Structure
 
-Each worker writes to `.workflow/.loop/{loopId}.workers/{action}.output.json`:
+Each worker writes to `{projectRoot}/.workflow/.loop/{loopId}.workers/{action}.output.json`:
 
 ```json
 {
@@ -81,7 +81,7 @@ Each worker writes to `.workflow/.loop/{loopId}.workers/{action}.output.json`:
 
 ## Progress File Structure
 
-Human-readable progress in `.workflow/.loop/{loopId}.progress/{action}.md`:
+Human-readable progress in `{projectRoot}/.workflow/.loop/{loopId}.progress/{action}.md`:
 
 ```markdown
 # Develop Progress
@@ -165,7 +165,7 @@ When `mode === 'parallel'`:
 ## Directory Structure
 
 ```
-.workflow/.loop/
+{projectRoot}/.workflow/.loop/
 +-- loop-b-20260122-abc123.json          # Master state
 +-- loop-b-20260122-abc123.workers/
 |   +-- init.output.json