[功能请求]希望SSH支持文件上传下载

[Myifan610]

Pre-submit Checks

• I have searched OpenWarp feature requests and there are no duplicates.
• I have read the OpenWarp README and this feature is not already supported.
• This request fits OpenWarp's BYOP / local-first / privacy-first direction (it does NOT require Warp cloud account, Warp AI gateway, Warp Drive cloud sync, Warpify SSO, billing, or telemetry).

Describe the solution you'd like

希望可以支持SSH时直接拖拽上传下载，或者支持RZSZ，目前两种方式都不行 @谢谢

Is your feature request related to a problem? Please describe.

No response

How does this align with OpenWarp's direction?

No response

Additional context

No response

Operating system (OS)

Select an OS

How important is this feature to you?

1 (Nice to have)

[zerx-lab]

此功能由 @bayunai 基础实现，后续会持续集成与优化，已知问题在 #154 追踪