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/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
@@ -33,7 +40,7 @@ const executionMode = options['--auto'] ? 'auto' : 'interactive'
 const getUtc8ISOString = () => new Date(Date.now() + 8 * 60 * 60 * 1000).toISOString()
 
 function readLoopState(loopId) {
-  const stateFile = `.workflow/.loop/${loopId}.json`
+  const stateFile = `${projectRoot}/.workflow/.loop/${loopId}.json`
   if (!fs.existsSync(stateFile)) {
     return null
   }
@@ -57,14 +64,14 @@ console.log(`Creating new loop: ${loopId}`)
 #### Create Directory Structure
 
 ```bash
-mkdir -p .workflow/.loop/${loopId}.progress
+mkdir -p ${projectRoot}/.workflow/.loop/${loopId}.progress
 ```
 
 #### Initialize State File
 
 ```javascript
 function createLoopState(loopId, taskDescription) {
-  const stateFile = `.workflow/.loop/${loopId}.json`
+  const stateFile = `${projectRoot}/.workflow/.loop/${loopId}.json`
   const now = getUtc8ISOString()
 
   const state = {
@@ -129,7 +136,7 @@ function checkControlSignals(loopId) {
 
 - **Variable**: `loopId` - Unique loop identifier
 - **Variable**: `state` - Initialized or resumed loop state object
-- **Variable**: `progressDir` - `.workflow/.loop/${loopId}.progress`
+- **Variable**: `progressDir` - `${projectRoot}/.workflow/.loop/${loopId}.progress`
 - **Variable**: `mode` - `'interactive'` or `'auto'`
 - **TodoWrite**: Mark Phase 1 completed, Phase 2 in_progress
 

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

@@ -23,15 +23,15 @@ const agent = spawn_agent({
 
 ### MANDATORY FIRST STEPS (Agent Execute)
 1. **Read role definition**: ~/.codex/agents/ccw-loop-executor.md (MUST read first)
-2. Read: .workflow/project-tech.json (if exists)
-3. Read: .workflow/project-guidelines.json (if exists)
+2. Read: ${projectRoot}/.workflow/project-tech.json (if exists)
+3. Read: ${projectRoot}/.workflow/project-guidelines.json (if exists)
 
 ---
 
 ## LOOP CONTEXT
 
 - **Loop ID**: ${loopId}
-- **State File**: .workflow/.loop/${loopId}.json
+- **State File**: ${projectRoot}/.workflow/.loop/${loopId}.json
 - **Progress Dir**: ${progressDir}
 - **Mode**: ${mode}
 
@@ -48,7 +48,7 @@ ${state.description || task}
 You are executing CCW Loop orchestrator. Your job:
 
 1. **Check Control Signals**
-   - Read .workflow/.loop/${loopId}.json
+   - Read ${projectRoot}/.workflow/.loop/${loopId}.json
    - If status === 'paused' -> Output "PAUSED" and stop
    - If status === 'failed' -> Output "STOPPED" and stop
    - If status === 'running' -> Continue
@@ -62,7 +62,7 @@ You are executing CCW Loop orchestrator. Your job:
 3. **Execute Action**
    - Follow action instructions from ~/.codex/skills/ccw-loop/actions/
    - Update progress files in ${progressDir}/
-   - Update state in .workflow/.loop/${loopId}.json
+   - Update state in ${projectRoot}/.workflow/.loop/${loopId}.json
 
 4. **Output Format**
    \`\`\`
@@ -123,7 +123,7 @@ Execution timeout reached. Please:
   state = readLoopState(loopId)
   state.current_iteration = iteration
   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))
 
   // Handle different outcomes
   switch (actionResult.next_action) {