fix xiaoniu mention gating and vector memory config

plugins/ai_auto_response/main.py

@@ -615,6 +615,7 @@ class AIAutoResponsePlugin(MessagePluginInterface):
             sender=sender,
             memory_type="member_context_snapshot",
             ok=ok,
+            error=self.vector_memory.last_error,
         )
         if ok and version:
             self._synced_member_context_versions[cache_key] = version
@@ -648,6 +649,7 @@ class AIAutoResponsePlugin(MessagePluginInterface):
             memory_type="interaction_memory",
             ok=ok,
             trigger_type=trigger_type,
+            error=self.vector_memory.last_error,
         )
 
     def _log_event(self, event: str, **kwargs: Any) -> None:
@@ -738,7 +740,8 @@ class AIAutoResponsePlugin(MessagePluginInterface):
                 f"[XIAONIU] MEM_UPSERT room={room} user={sender} "
                 f"type={data.get('memory_type', '')} "
                 f"ok={self._yn(data.get('ok'))} "
-                f"trigger={data.get('trigger_type', '-') or '-'}"
+                f"trigger={data.get('trigger_type', '-') or '-'} "
+                f"err={self._preview(str(data.get('error', '') or '-'), 72)}"
             ).strip()
 
         compact = " ".join(f"{key}={data[key]}" for key in sorted(data) if data.get(key) not in (None, ""))