Update websocket_handler.py

websocket_handler.py

@@ -243,7 +243,7 @@ async def websocket_endpoint(websocket: WebSocket, session_id: str):
         return
     
     # Mark as realtime session
-    session.is_realtime_session = True
+    session.is_realtime = True
     session_store.update_session(session)
     
     # Initialize conversation