Update app/app.py

app/app.py

@@ -21,7 +21,8 @@
 
 from quart import Quart, request, jsonify  # async Flask — required for async providers + Neon DB
 import logging
-from waitress import serve                  # WSGI server — keeps HTTP non-blocking alongside asyncio
+from hypercorn.asyncio import serve
+from hypercorn.config import Config
 import threading                            # bank-pattern: each blocking service gets its own thread
 import requests                             # sync HTTP for health check worker
 import time