fix(group-chat): 移除雙AI互相評論 — 單獨@只有該AI回覆，雙AI路徑不再互評

Co-Authored-By: Claude Sonnet 4.6 <noreply@anthropic.com>

apps/api/src/services/telegram_gateway.py

@@ -3182,27 +3182,6 @@ class TelegramGateway:
                     reply_to_message_id=message_id,
                 )
 
-            # 互相評論：OpenClaw 看 Nemo 的回應，Nemo 看 OpenClaw 的回應
-            if oc_result and nemo_result and not isinstance(oc_result, Exception) and not isinstance(nemo_result, Exception):
-                oc_comment_task = asyncio.create_task(
-                    chat_mgr._call_openclaw(
-                        f"{context}\nNemoClaw 說：{nemo_result[:300]}\n你有什麼補充或不同看法？簡短回應。",
-                        clean_text,
-                    )
-                )
-                nemo_comment_task = asyncio.create_task(
-                    chat_mgr._call_nemotron(
-                        f"{context}\nOpenClaw 說：{oc_result[:300]}\n你有什麼補充或不同看法？簡短回應。",
-                        clean_text,
-                    )
-                )
-                oc_comment, nemo_comment = await asyncio.gather(oc_comment_task, nemo_comment_task, return_exceptions=True)
-
-                if oc_comment and not isinstance(oc_comment, Exception):
-                    await self.send_as_openclaw(text=f"🦞 <b>OpenClaw 補充</b>\n\n{oc_comment}", reply_to_message_id=message_id)
-                if nemo_comment and not isinstance(nemo_comment, Exception):
-                    await self.send_as_nemotron(text=f"🤖 <b>NemoClaw 補充</b>\n\n{nemo_comment}", reply_to_message_id=message_id)
-
         logger.info("group_message_handled", user_id=user_id, text=text[:50])
 
     async def _send_chat_action(self, chat_id: int, action: str) -> None: