fix:FFUF

src/heart_flow/observation.py

@@ -82,29 +82,25 @@ class ChattingObservation(Observation):
         new_messages_list = get_raw_msg_by_timestamp_with_chat(
             chat_id=self.chat_id,
             timestamp_start=self.last_observe_time,
-            timestamp_end=datetime.now().timestamp(),  
+            timestamp_end=datetime.now().timestamp(),
             limit=self.max_now_obs_len,
             limit_mode="latest",
         )
-        
+
         last_obs_time_mark = self.last_observe_time
         if new_messages_list:
             self.last_observe_time = new_messages_list[-1]["time"]
             self.talking_message.extend(new_messages_list)
-        
 
         if len(self.talking_message) > self.max_now_obs_len:
             # 计算需要移除的消息数量，保留最新的 max_now_obs_len 条
             messages_to_remove_count = len(self.talking_message) - self.max_now_obs_len
             oldest_messages = self.talking_message[:messages_to_remove_count]
             self.talking_message = self.talking_message[messages_to_remove_count:]  # 保留后半部分，即最新的
-            
+
             oldest_messages_str = await build_readable_messages(
-                messages=oldest_messages,
-                timestamp_mode="normal",
-                read_mark=0
+                messages=oldest_messages, timestamp_mode="normal", read_mark=0
             )
-            
 
             # 调用 LLM 总结主题
             prompt = (
@@ -145,7 +141,7 @@ class ChattingObservation(Observation):
             messages=self.talking_message,
             timestamp_mode="normal",
             read_mark=last_obs_time_mark,
-            )
+        )
 
         logger.trace(
             f"Chat {self.chat_id} - 压缩早期记忆：{self.mid_memory_info}\n现在聊天内容：{self.talking_message_str}"