Fix: resolve CJS path fileURLToPath runtime error

server.ts

@@ -7,8 +7,12 @@ import { fileURLToPath } from 'url';
 
 dotenv.config();
 
-const __filename = fileURLToPath(import.meta.url);
-const __dirname = path.dirname(__filename);
+const resolvedFilename = typeof import.meta !== 'undefined' && import.meta.url
+  ? fileURLToPath(import.meta.url)
+  : __filename;
+const resolvedDirname = typeof import.meta !== 'undefined' && import.meta.url
+  ? path.dirname(resolvedFilename)
+  : __dirname;
 
 async function startServer() {
   const app = express();
@@ -147,9 +151,9 @@ Do not wrap in markdown or any code blocks, return only raw JSON. Ensure it is v
   // Serve static assets or use Vite dev server
   const isProd = process.env.NODE_ENV === 'production';
   if (isProd) {
-    app.use(express.static(path.join(__dirname, 'dist')));
+    app.use(express.static(path.join(resolvedDirname, 'dist')));
     app.get('*', (req, res) => {
-      res.sendFile(path.join(__dirname, 'dist', 'index.html'));
+      res.sendFile(path.join(resolvedDirname, 'dist', 'index.html'));
     });
   } else {
     const vite = await createViteServer({