fix：对replyer tool reuslt格式修改，改动插件备份文件位置

src/maisaka/builtin_tool/reply.py

@@ -291,7 +291,7 @@ async def handle_tool(
         )
     return tool_ctx.build_success_result(
         invocation.tool_name,
-        "回复已生成并发送。",
+        f'已生成并发送回复"{combined_reply_text}"\n发送对象：{target_user_name}',
         structured_content={
             "msg_id": target_message_id,
             "set_quote": set_quote,

src/webui/routers/plugin/support.py

@@ -269,7 +269,9 @@ def backup_file(file_path: Path, action: str, move_file: bool = False) -> Option
         return None
 
     backup_name = f"{file_path.name}.{action}.{datetime.now().strftime('%Y%m%d%H%M%S')}"
-    backup_path = file_path.parent / backup_name
+    backup_dir = file_path.parent / "config_back"
+    backup_dir.mkdir(parents=True, exist_ok=True)
+    backup_path = backup_dir / backup_name
     if move_file:
         shutil.move(file_path, backup_path)
     else: