fix(approval): log empty gateway queue entries for diagnostics

api/routes.py

@@ -11234,6 +11234,8 @@ def _handle_approval_pending(handler, parsed):
                 if raw:
                     p = raw
                     total = len(gw_queue)
+                else:
+                    logger.warning("Gateway queue entry for %s has no .data attribute", sid)
     if p:
         return j(handler, {"pending": dict(p), "pending_count": total})
     return j(handler, {"pending": None, "pending_count": 0})

api/streaming.py

@@ -5938,6 +5938,8 @@ def _run_agent_streaming(
                                         raw = getattr(gw_queue[0], 'data', None) or {}
                                         if raw:
                                             p = dict(raw)
+                                        else:
+                                            logger.warning("Gateway queue entry for %s has no .data attribute", session_id)
                             if p:
                                 put('approval', p)
                     except ImportError: