将PFC加回来，修复一大堆PFC的神秘报错

src/chat/brain_chat/PFC/observation_info.py

@@ -1,13 +1,40 @@
 from typing import List, Optional, Dict, Any, Set
 from maim_message import UserInfo
 import time
-from src.common.logger import get_module_logger
+from src.common.logger import get_logger
 from .chat_observer import ChatObserver
 from .chat_states import NotificationHandler, NotificationType, Notification
 from src.chat.utils.chat_message_builder import build_readable_messages
+from src.common.data_models.database_data_model import DatabaseMessages, DatabaseUserInfo
 import traceback  # 导入 traceback 用于调试
 
-logger = get_module_logger("observation_info")
+logger = get_logger("observation_info")
+
+
+def dict_to_database_message(msg_dict: Dict[str, Any]) -> DatabaseMessages:
+    """Convert PFC dict format to DatabaseMessages object
+    
+    Args:
+        msg_dict: Message in PFC dict format with nested user_info
+        
+    Returns:
+        DatabaseMessages object compatible with build_readable_messages()
+    """
+    user_info_dict: Dict[str, Any] = msg_dict.get("user_info", {})
+    
+    return DatabaseMessages(
+        message_id=msg_dict.get("message_id", ""),
+        time=msg_dict.get("time", 0.0),
+        chat_id=msg_dict.get("chat_id", ""),
+        processed_plain_text=msg_dict.get("processed_plain_text", ""),
+        display_message=msg_dict.get("display_message", ""),
+        is_mentioned=msg_dict.get("is_mentioned", False),
+        is_command=msg_dict.get("is_command", False),
+        user_id=user_info_dict.get("user_id", ""),
+        user_nickname=user_info_dict.get("user_nickname", ""),
+        user_cardname=user_info_dict.get("user_cardname"),
+        user_platform=user_info_dict.get("platform", ""),
+    )
 
 
 class ObservationInfoHandler(NotificationHandler):
@@ -366,10 +393,11 @@ class ObservationInfo:
         # 更新历史记录字符串 (只使用最近一部分生成，例如20条)
         history_slice_for_str = self.chat_history[-20:]
         try:
-            self.chat_history_str = await build_readable_messages(
-                history_slice_for_str,
+            # Convert dict format to DatabaseMessages objects
+            db_messages = [dict_to_database_message(m) for m in history_slice_for_str]
+            self.chat_history_str = build_readable_messages(
+                db_messages,
                 replace_bot_name=True,
-                merge_messages=False,
                 timestamp_mode="relative",
                 read_mark=0.0,  # read_mark 可能需要根据逻辑调整
             )