[Feature] 建议上个指定默认模型功能，替换模型时不需要每个智能体点进去更改

[radiorz]

MaxKB Version

latest

Please describe your needs or suggestions for improvements

建议上个指定默认模型功能，替换模型时不需要每个智能体点进去更改

Please describe the solution you suggest

No response

Additional Information

No response