remove：移除willing系统，移除reply2，移除能量值,移除reply_to改为message

src/chat/express/expression_learner.py

@@ -81,7 +81,7 @@ def init_prompt() -> None:
 class ExpressionLearner:
     def __init__(self, chat_id: str) -> None:
         self.express_learn_model: LLMRequest = LLMRequest(
-            model_set=model_config.model_task_config.replyer_1, request_type="expressor.learner"
+            model_set=model_config.model_task_config.replyer, request_type="expressor.learner"
         )
         self.chat_id = chat_id
         self.chat_name = get_chat_manager().get_stream_name(chat_id) or chat_id