update backend stuck/stall

backend/src/middleware/request-timeout.middleware.ts

@@ -0,0 +1,10 @@
+import { Request, Response, NextFunction } from 'express';
+
+export function requestTimeout(req: Request, res: Response, next: NextFunction): void {
+  req.setTimeout(15_000, () => {
+    if (!res.headersSent) {
+      res.status(503).json({ error: 'Request timeout' });
+    }
+  });
+  next();
+}