better：统一化聊天记录获取和格式化接口，修改分割函数

src/do_tool/tool_can_use/mid_chat_mem.py

@@ -1,40 +0,0 @@
-from src.do_tool.tool_can_use.base_tool import BaseTool
-from src.common.logger import get_module_logger
-from typing import Dict, Any
-
-logger = get_module_logger("get_mid_memory_tool")
-
-
-class GetMidMemoryTool(BaseTool):
-    """从记忆系统中获取相关记忆的工具"""
-
-    name = "mid_chat_mem"
-    description = "之前的聊天内容概述id中获取具体信息，如果没有聊天内容概述id，就不要使用"
-    parameters = {
-        "type": "object",
-        "properties": {
-            "id": {"type": "integer", "description": "要查询的聊天记录概述id"},
-        },
-        "required": ["id"],
-    }
-
-    async def execute(self, function_args: Dict[str, Any], message_txt: str = "") -> Dict[str, Any]:
-        """执行记忆获取
-
-        Args:
-            function_args: 工具参数
-            message_txt: 原始消息文本
-
-        Returns:
-            Dict: 工具执行结果
-        """
-        try:
-            id = function_args.get("id")
-            return {"name": "mid_chat_mem", "content": str(id)}
-        except Exception as e:
-            logger.error(f"聊天记录获取工具执行失败: {str(e)}")
-            return {"name": "mid_chat_mem", "content": f"聊天记录获取失败: {str(e)}"}
-
-
-# 注册工具
-# register_tool(GetMemoryTool)