建议支持持久化配置额外工作目录

[tlerbao]

It's really troublesome to use /add-dir every time.

Like Claude Code, which can persistently configure additional working directories through "additionalDirectories" in the configuration file,

so we don't have to use /add-dir every time.

Hope this can be supported.

[github-actions]

This issue may have been opened accidentally. I'm going to close it now, but feel free to open a new issue with a more descriptive title.