feat(feishu): add FEISHU_IGNORE_AT_ALL env to skip @everyone triggers

plugins/platforms/feishu/adapter.py

@@ -4333,9 +4333,16 @@ def _allow_group_message(
     # --- Mention detection ----------------------------------------------------
 
     def _mentions_self(self, message: Any) -> bool:
-        # @_all is Feishu's @everyone placeholder.
+        # @_all is Feishu's @everyone placeholder.  By default Hermes treats
+        # @everyone as a mention of the bot (so the bot responds in groups
+        # where someone @everyone's).  Set FEISHU_IGNORE_AT_ALL=true to make
+        # @everyone NOT trigger the bot — it will only respond to explicit
+        # @bot mentions.
         raw_content = getattr(message, "content", "") or ""
         if "@_all" in raw_content:
+            ignore_at_all = os.getenv("FEISHU_IGNORE_AT_ALL", "false").strip().lower() in {"true", "1", "yes", "on"}
+            if ignore_at_all:
+                return False
             return True
         mentions = getattr(message, "mentions", None) or []
         if mentions and self._message_mentions_bot(mentions):

tests/gateway/test_feishu.py

@@ -3567,6 +3567,35 @@ def test_at_all_still_requires_policy_gate(self):
         allowed_sender = SimpleNamespace(open_id="ou_allowed", user_id=None)
         self.assertTrue(_admits_group(adapter, message, allowed_sender, ""))
 
+    @patch.dict(os.environ, {"FEISHU_GROUP_POLICY": "open", "FEISHU_IGNORE_AT_ALL": "true"}, clear=True)
+    def test_at_all_ignored_when_env_set(self):
+        """FEISHU_IGNORE_AT_ALL=true makes @_all NOT trigger the bot."""
+        from gateway.config import PlatformConfig
+        from plugins.platforms.feishu.adapter import FeishuAdapter
+
+        adapter = FeishuAdapter(PlatformConfig())
+        message = SimpleNamespace(
+            content='{"text":"@_all 请注意"}',
+            mentions=[],
+        )
+        sender_id = SimpleNamespace(open_id="ou_any", user_id=None)
+        # Should be rejected — @_all is no longer treated as a mention.
+        self.assertFalse(_admits_group(adapter, message, sender_id, ""))
+
+    @patch.dict(os.environ, {"FEISHU_GROUP_POLICY": "open", "FEISHU_IGNORE_AT_ALL": "false"}, clear=True)
+    def test_at_all_still_triggers_when_env_unset_or_false(self):
+        """Default (env unset or false): @_all still triggers the bot."""
+        from gateway.config import PlatformConfig
+        from plugins.platforms.feishu.adapter import FeishuAdapter
+
+        adapter = FeishuAdapter(PlatformConfig())
+        message = SimpleNamespace(
+            content='{"text":"@_all 请注意"}',
+            mentions=[],
+        )
+        sender_id = SimpleNamespace(open_id="ou_any", user_id=None)
+        self.assertTrue(_admits_group(adapter, message, sender_id, ""))
+
 
 @unittest.skipUnless(_HAS_LARK_OAPI, "lark-oapi not installed")
 class TestSenderNameResolution(unittest.TestCase):