updated util.py

utils.py

@@ -262,7 +262,7 @@ def user_details_func(db_uri: str, document: Dict) -> Optional[Dict]:
         return None
 
     # Prepare base user document
-    user_doc['user_id'] = str(user_doc['_id'])
+    user_doc['userId'] = str(user_doc['_id'])
     user_doc.pop('_id')
     user_doc.pop('password', None)  # Use default None in case password doesn't exist