[Feature] Added display of all tools under MCP service

### MaxKB Version

2.3.1

### Please describe your needs or suggestions for improvements

能不能增加显示MCP服务下所有工具列表，如下图所示：

<img width="768" height="344" alt="Image" src="https://github.com/user-attachments/assets/3326dc18-bd55-424d-ada6-b1ebdbee416d" />

### Please describe the solution you suggest

_No response_

### Additional Information

_No response_