creatixchu
7fd2abd828
The web GUI's folder picking was hardwired to one interaction: a native OS chooser compiled into the gateway, unusable for remote deployments and swappable only by editing apiproxy source. Directory picking becomes a three-package capability seam in packages/host: ctx.directoryPicker returns a discriminated capability — dialog (the extracted native chooser; host-display only) or browse (new: one-level listing + child creation over Node stdlib, hidden flags host-stamped, symlinks followed, ancestry crumbs; remote-capable). The gateway injects the seam, advertises the kind via host.describe.directoryPicker, serves host.listDirectory / host.createDirectory under browse, and answers directory-picker-unavailable across kinds. cordis.yml is the swap point; apps/cli keeps dialog mounted, so behavior is unchanged until the in-app browser PR flips the default. The connection fixture serves a deterministic browse tree; WorkspacesService gains the browse calls the browser UI will drive. Decision record: .agents/notes/implemented/architecture/2026-07-28-directory-picker-capability-seam.md
18 lines
1.2 KiB
Markdown
18 lines
1.2 KiB
Markdown
# @deepseek-ai/dsh-host-directory-picker-dialog
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[English](README.md) | 中文
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[目录选择 seam](../directory-picker/README.md) 的**原生 OS 对话框后端**：`DialogDirectoryPicker` 以 `dialog` 能力注册 `ctx.directoryPicker`，其 `pick(signal)` 每次调用打开一个原生选择器并解析出所选绝对路径（取消时为 `null`）。平台工具不经 shell 调用：macOS 使用 `osascript`，Windows 使用以 STA 模式运行的 PowerShell `FolderBrowserDialog`，Linux 使用 Zenity 并以 KDialog 回退；调用方的中止信号会终止原生进程。只有操作者坐在宿主屏幕前时才可用——远程部署应组合 [`-browse`](../directory-picker-browse/README.md)。命令边界（`DirectoryPickerRunner`）与平台事实可注入，便于确定性测试。
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## 模型体验
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无。该后端服务于 GUI 宿主的目录选择；这里没有任何内容进入模型请求。
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#### KV 缓存影响
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无；该包既不组装也不发送提供方请求。
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## 已知限制与延期工作
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- **Linux 依赖桌面工具**——Zenity 与 KDialog 均未安装时，`pick` 以包含解决建议的错误拒绝；它不会回退为手输路径提示（组合层面的回退是 browse 后端）。
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