feat(ccw): 智能识别运行中的服务器，支持工作空间切换

- ccw view 自动检测服务器是否已运行
- 已运行时切换工作空间并打开浏览器，无需重启服务器
- 新增 /api/switch-path 和 /api/health 端点
- Dashboard 支持 URL path 参数加载指定工作空间

🤖 Generated with [Claude Code](https://claude.com/claude-code)

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

ccw/src/core/server.js

@@ -126,6 +126,40 @@ export async function startServer(options = {}) {
         return;
       }
 
+      // API: Switch workspace path (for ccw view command)
+      if (pathname === '/api/switch-path') {
+        const newPath = url.searchParams.get('path');
+        if (!newPath) {
+          res.writeHead(400, { 'Content-Type': 'application/json' });
+          res.end(JSON.stringify({ error: 'Path is required' }));
+          return;
+        }
+
+        const resolved = resolvePath(newPath);
+        if (!existsSync(resolved)) {
+          res.writeHead(404, { 'Content-Type': 'application/json' });
+          res.end(JSON.stringify({ error: 'Path does not exist' }));
+          return;
+        }
+
+        // Track the path and return success
+        trackRecentPath(resolved);
+        res.writeHead(200, { 'Content-Type': 'application/json' });
+        res.end(JSON.stringify({
+          success: true,
+          path: resolved,
+          recentPaths: getRecentPaths()
+        }));
+        return;
+      }
+
+      // API: Health check (for ccw view to detect running server)
+      if (pathname === '/api/health') {
+        res.writeHead(200, { 'Content-Type': 'application/json' });
+        res.end(JSON.stringify({ status: 'ok', timestamp: Date.now() }));
+        return;
+      }
+
       // API: Remove a recent path
       if (pathname === '/api/remove-recent-path' && req.method === 'POST') {
         handlePostRequest(req, res, async (body) => {