tighten xiaoniu reply triggers for direct mentions only

plugins/ai_auto_response/main.py

@@ -124,6 +124,8 @@ class AIAutoResponsePlugin(MessagePluginInterface):
             return False
         if self._should_ignore(content):
             return False
+        if self._is_targeting_other_user(message):
+            return False
         return True
 
     async def process_message(self, message: Dict[str, Any]) -> Tuple[bool, Optional[str]]:
@@ -299,6 +301,12 @@ class AIAutoResponsePlugin(MessagePluginInterface):
             return True
         return any(content.startswith(prefix) for prefix in self.filters.get("ignore_prefixes", []))
 
+    def _is_targeting_other_user(self, message: Dict[str, Any]) -> bool:
+        if message.get("is_at", False):
+            return False
+        raw_content = str(message.get("content", "") or "")
+        return "@" in raw_content
+
     def _get_sender_name(self, room_id: str, sender: str) -> str:
         try:
             members = ContactManager.get_instance().get_group_members(room_id)

plugins/ai_auto_response/response_planner.py

@@ -16,8 +16,16 @@ class ResponsePlanner:
         return "social_short" if flow_state in {"deep_engaged"} else "refuse_or_skip"
 
     def should_reply(self, trigger: Dict, flow_state: str, allow_proactive: bool) -> bool:
-        if trigger.get("should_respond"):
+        if trigger.get("is_at"):
             return True
+        if trigger.get("is_question"):
+            return True
+        if trigger.get("is_followup"):
+            return False
+        if trigger.get("is_social_call"):
+            return False
+        if trigger.get("is_returning_member"):
+            return False
         if not allow_proactive:
             return False
         return flow_state in {"deep_engaged"} and trigger.get("priority", 0) >= 0.65