fix: sessionId type mismatch

core/streaming/manager.py

@@ -380,6 +380,8 @@ class StreamManager:
 
     def set_session_id(self, display_id: str, session_id: str):
         """Set session ID for tracking integration."""
+        # Ensure session_id is always a string for consistent type handling
+        session_id = str(session_id) if session_id is not None else None
         with self._lock:
             for subscription_info in self._subscriptions.values():
                 # Check if this subscription matches the display_id