Silently handle inbound "feed" messages

They seem to be pure metadata, so don't post them as messages

matrix_appservice_kakaotalk/portal.py

@@ -190,6 +190,7 @@ class Portal(DBPortal, BasePortal):
 
         # TODO More
         cls._chat_type_handler_map = {
+            KnownChatType.FEED: cls._handle_kakaotalk_feed,
             KnownChatType.TEXT: cls._handle_kakaotalk_text,
             KnownChatType.REPLY: cls._handle_kakaotalk_reply,
             KnownChatType.PHOTO: cls._handle_kakaotalk_photo,
@@ -1103,6 +1104,15 @@ class Portal(DBPortal, BasePortal):
         events.append(await self._send_message(intent, content, timestamp=timestamp))
         return events
 
+    async def _handle_kakaotalk_feed(
+        self,
+        timestamp: int,
+        chat_text: str | None,
+        **_
+    ) -> list[EventID]:
+        self.log.info("Got feed message at %s: %s", timestamp, chat_text or "none")
+        return []
+
     async def _handle_kakaotalk_text(
         self,
         intent: IntentAPI,