Initial commit: VibeEngineering V2

- 两阶段分离：设计阶段人工确认，执行阶段全自动化
- 子代理驱动：Implementer → Spec Reviewer → Quality Reviewer
- 原生 Task 系统：使用 Claude Code Task 替代自定义状态管理
- 跨 Compact 恢复：PreCompact + SessionStart Hook（内联命令实现）

Co-Authored-By: Claude Opus 4.5 <noreply@anthropic.com>

.claude/hooks/extract-last-context.js

@@ -0,0 +1,96 @@
+/**
+ * VibeEngineering V2 - 上下文提取脚本
+ * 从 transcript.jsonl 提取最后一次 TaskUpdate completed 之后的内容
+ */
+
+const fs = require('fs');
+
+function extractSinceLastTaskComplete(transcriptPath) {
+  const content = fs.readFileSync(transcriptPath, 'utf-8');
+  const lines = content.split('\n').filter(Boolean);
+
+  // 倒序找最后一次 TaskUpdate status=completed
+  let cutoffIndex = 0;
+  for (let i = lines.length - 1; i >= 0; i--) {
+    try {
+      const entry = JSON.parse(lines[i]);
+      if (entry.tool_name === 'TaskUpdate' &&
+          entry.tool_input?.status === 'completed') {
+        cutoffIndex = i + 1;
+        break;
+      }
+    } catch (e) {
+      continue;
+    }
+  }
+
+  const relevantLines = lines.slice(cutoffIndex);
+  const simplified = simplifyEntries(relevantLines);
+  return simplified.map(e => JSON.stringify(e)).join('\n');
+}
+
+function simplifyEntries(lines) {
+  return lines.map(line => {
+    try {
+      const entry = JSON.parse(line);
+
+      // Claude 输出：全部保留
+      if (entry.role === 'assistant') {
+        return { type: 'assistant', content: entry.content };
+      }
+
+      // 用户输入：全部保留
+      if (entry.role === 'user') {
+        return { type: 'user', content: entry.content };
+      }
+
+      // Task tool 返回（子代理结果）：全部保留
+      if (entry.type === 'tool_result' && entry.agentId) {
+        return {
+          type: 'task_result',
+          agentId: entry.agentId,
+          content: entry.content
+        };
+      }
+
+      // 工具调用
+      if (entry.tool_name) {
+        const input = entry.tool_input || {};
+
+        // Task tool（派发子代理）：prompt 全部保留
+        if (entry.tool_name === 'Task') {
+          return {
+            type: 'tool',
+            name: 'Task',
+            subagent_type: input.subagent_type,
+            description: input.description,
+            prompt: input.prompt
+          };
+        }
+
+        // 其他工具：只保留关键参数
+        const simplified = { type: 'tool', name: entry.tool_name };
+        if (input.file_path) simplified.file = input.file_path;
+        if (input.command) simplified.command = input.command;
+        if (input.pattern) simplified.pattern = input.pattern;
+        if (input.path) simplified.path = input.path;
+        if (input.taskId) simplified.taskId = input.taskId;
+        if (input.status) simplified.status = input.status;
+
+        if (entry.tool_result?.exit_code !== undefined) {
+          simplified.exit_code = entry.tool_result.exit_code;
+        }
+        return simplified;
+      }
+
+      return null;
+    } catch (e) {
+      return null;
+    }
+  }).filter(Boolean);
+}
+
+const transcriptPath = process.argv[2];
+if (transcriptPath) {
+  console.log(extractSinceLastTaskComplete(transcriptPath));
+}