Update app.py

app.py

@@ -706,7 +706,10 @@ def debug():
             'db_path': db.db_path,
             'db_exists': os.path.exists(db.db_path),
             'users': [dict(u) for u in users],
-            'model_loaded': model is not None
+            'model_loaded': model is not None,
+            'model_error': _model_error,
+            'model_thread_alive': _model_thread.is_alive(),
+            'h5_files': [f for f in os.listdir('/app') if f.endswith('.h5')]
         })
     except Exception as e:
         return jsonify({'error': str(e), 'db_path': db.db_path})
@@ -718,12 +721,16 @@ def debug():
 # Cargar modelo en background al arrancar
 import threading
 
+_model_error = None
+
 def _load_model_background():
+    global _model_error
     print("Iniciando carga de modelo en background...")
     try:
         load_model()
         print("Modelo cargado exitosamente en background")
     except Exception as e:
+        _model_error = str(e)
         print(f"Error cargando modelo en background: {e}")
 
 _model_thread = threading.Thread(target=_load_model_background, daemon=True)