better：优化了取得聊天信息和strbuild函数，异步改为同步，优化了observation的加载

src/experimental/PFC/action_planner.py

@@ -273,7 +273,7 @@ class ActionPlanner:
             if hasattr(observation_info, "new_messages_count") and observation_info.new_messages_count > 0:
                 if hasattr(observation_info, "unprocessed_messages") and observation_info.unprocessed_messages:
                     new_messages_list = observation_info.unprocessed_messages
-                    new_messages_str = await build_readable_messages(
+                    new_messages_str = build_readable_messages(
                         new_messages_list,
                         replace_bot_name=True,
                         merge_messages=False,

src/experimental/PFC/conversation.py

@@ -89,7 +89,7 @@ class Conversation:
                 timestamp=time.time(),
                 limit=30,  # 加载最近30条作为初始上下文，可以调整
             )
-            chat_talking_prompt = await build_readable_messages(
+            chat_talking_prompt = build_readable_messages(
                 initial_messages,
                 replace_bot_name=True,
                 merge_messages=False,

src/experimental/PFC/observation_info.py

@@ -366,7 +366,7 @@ 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(
+            self.chat_history_str = build_readable_messages(
                 history_slice_for_str,
                 replace_bot_name=True,
                 merge_messages=False,

src/experimental/PFC/pfc.py

@@ -91,7 +91,7 @@ class GoalAnalyzer:
 
         if observation_info.new_messages_count > 0:
             new_messages_list = observation_info.unprocessed_messages
-            new_messages_str = await build_readable_messages(
+            new_messages_str = build_readable_messages(
                 new_messages_list,
                 replace_bot_name=True,
                 merge_messages=False,
@@ -224,7 +224,7 @@ class GoalAnalyzer:
 
     async def analyze_conversation(self, goal, reasoning):
         messages = self.chat_observer.get_cached_messages()
-        chat_history_text = await build_readable_messages(
+        chat_history_text = build_readable_messages(
             messages,
             replace_bot_name=True,
             merge_messages=False,

src/experimental/PFC/pfc_KnowledgeFetcher.py

@@ -53,7 +53,7 @@ class KnowledgeFetcher:
             Tuple[str, str]: (获取的知识, 知识来源)
         """
         # 构建查询上下文
-        chat_history_text = await build_readable_messages(
+        chat_history_text = build_readable_messages(
             chat_history,
             replace_bot_name=True,
             merge_messages=False,

src/experimental/PFC/reply_generator.py

@@ -173,7 +173,7 @@ class ReplyGenerator:
         chat_history_text = observation_info.chat_history_str
         if observation_info.new_messages_count > 0 and observation_info.unprocessed_messages:
             new_messages_list = observation_info.unprocessed_messages
-            new_messages_str = await build_readable_messages(
+            new_messages_str = build_readable_messages(
                 new_messages_list,
                 replace_bot_name=True,
                 merge_messages=False,