fix: use shell background + polling to get dashboard info reliably

Made-with: Cursor

lib/frpc.js

@@ -16,47 +16,43 @@ const FRPC_CONFIG = path.join(CONFIG_DIR, 'frpc.toml');
 const FRP_VERSION = '0.62.0';
 
 /**
- * 启动 openclaw dashboard（若未运行），等待输出中出现 Dashboard URL，
+ * 启动 openclaw dashboard（后台运行），轮询日志文件等待 Dashboard URL 出现，
  * 解析并返回 { dashboard_token, dashboard_port }。
- * 超时或命令不存在时返回 {}。
- * dashboard 进程会持续运行（不会被 kill）。
+ * 超时（10s）或命令不存在时返回 {}。
  */
 function getDashboardInfo() {
   return new Promise((resolve) => {
-    let done = false;
-    const finish = (result) => {
-      if (!done) { done = true; resolve(result); }
-    };
+    const tmpLog = '/tmp/clawd-dashboard.log';
 
-    // 8 秒内未收到 URL 则放弃
-    const timer = setTimeout(() => finish({}), 8000);
-
-    let proc;
+    // 后台启动 dashboard，输出重定向到日志文件
     try {
-      proc = spawn('openclaw', ['dashboard'], {
-        stdio: ['ignore', 'pipe', 'pipe'],
-      });
+      execSync(`openclaw dashboard > ${tmpLog} 2>&1 &`, { shell: true, timeout: 3000 });
     } catch (e) {
-      clearTimeout(timer);
-      return finish({});
+      // 已在运行或命令不存在，继续轮询
     }
 
-    const handleLine = (line) => {
-      const match = line.match(/Dashboard URL:.*:(\d+)\/#token=([a-f0-9]+)/);
+    // 每秒读一次日志文件，最多等 10 秒
+    let attempts = 0;
+    const interval = setInterval(() => {
+      attempts++;
+      try {
+        const content = fs.readFileSync(tmpLog, 'utf8');
+        const match = content.match(/Dashboard URL:.*:(\d+)\/#token=([a-f0-9]+)/);
         if (match) {
-        clearTimeout(timer);
+          clearInterval(interval);
           const port  = parseInt(match[1], 10);
           const token = match[2];
           console.log(`[frpc] openclaw dashboard: port=${port}, token=${token.substring(0, 8)}...`);
-        // 进程继续运行（dashboard 服务），不 kill
-        finish({ dashboard_port: port, dashboard_token: token });
+          resolve({ dashboard_port: port, dashboard_token: token });
+          return;
         }
-    };
+      } catch (e) { /* 文件暂时不存在 */ }
 
-    proc.stdout.on('data', d => handleLine(d.toString()));
-    proc.stderr.on('data', d => handleLine(d.toString()));
-    proc.on('error', () => { clearTimeout(timer); finish({}); });
-    proc.on('exit',  () => { clearTimeout(timer); finish({}); });
+      if (attempts >= 10) {
+        clearInterval(interval);
+        resolve({});
+      }
+    }, 1000);
   });
 }