feat：拆分重命名模型配置，修复动作恢复问题

src/chat/heart_flow/observation/chatting_observation.py

@@ -66,10 +66,6 @@ class ChattingObservation(Observation):
         self.oldest_messages = []
         self.oldest_messages_str = ""
         self.compressor_prompt = ""
-        # TODO: API-Adapter修改标记
-        self.model_summary = LLMRequest(
-            model=global_config.model.observation, temperature=0.7, max_tokens=300, request_type="chat_observation"
-        )
 
     async def initialize(self):
         self.is_group_chat, self.chat_target_info = await get_chat_type_and_target_info(self.chat_id)