Revert "feat(reminder): 增强定时提醒系统，实现智能用户识别与上下文感知回复"

This reverts commit e1ebf41f8d.

src/chat/chat_loop/proactive/proactive_thinker.py

@@ -139,6 +139,21 @@ class ProactiveThinker:
             logger.error(f"{self.context.log_prefix} 主动思考执行异常: {e}")
             logger.error(traceback.format_exc())
 
+    async def _get_reminder_context(self, message_id: str) -> str:
+        """获取提醒消息的上下文"""
+        try:
+            # 只获取那一条消息
+            message_record = await db_get(Messages, {"message_id": message_id}, single_result=True)
+            if message_record:
+                # 使用 build_readable_messages_with_id 来格式化单条消息
+                chat_context_block, _ = build_readable_messages_with_id(messages=[message_record])
+                return chat_context_block
+            return "无法加载相关的聊天记录。"
+        except Exception as e:
+            logger.error(f"{self.context.log_prefix} 获取提醒上下文失败: {e}")
+            return "无法加载相关的聊天记录。"
+    
+
     async def _generate_proactive_content_and_send(self, action_result: Dict[str, Any], trigger_event: ProactiveTriggerEvent):
         """
         获取实时信息，构建最终的生成提示词，并生成和发送主动回复。