Update app.py

app.py

@@ -328,7 +328,7 @@ def background_loop():
             print("✅ Scan Complete. Sleeping...")
         except Exception as e:
             print(f"❌ Background Error: {e}")
-        time.sleep(400) # Run every 5 minutes (900 seconds)
+        time.sleep(900) # Run every 15 minutes (900 seconds)
 
 # Start Background Thread
 t = threading.Thread(target=background_loop, daemon=True)