creatixchu
85ca8be104
ui-workspace's two trigger surfaces each declare a single-kind directory-flow hole (conversation.hero.workspace.directoryFlow / sidebar.workspaces.directoryFlow, same owner contract) and keep only the trigger and the adoption: the Open-local- folder entry renders while the surface's hole is occupied, and the occupant reports one picked path per open through the hole's owner conversation (open/busy/onPicked/onCancel/onError). directory-picker-native becomes dual-face: its browser half fills both holes with a renderless occupant driving host.pickDirectory, so the cordis.yml row that mounts the backend also composes the client interaction — a mismatch is impossible and a second flow package fails at client load. With composition wiring both sides, the host.describe.directoryPicker advertisement and the client's kind branching lose their last consumer: the field, WorkspacesService.directoryPickerKind(), the DirectoryPickerKind wire type, and the picker's per-open describe read are deleted. The connection fixture now serves a deterministic pickDirectory path so the keyless snapshot drives the full pick-then-adopt flow. ui-workspace's hand-rolled declaration deferral is replaced by the deferRegistration helper it duplicated.
20 lines
2.4 KiB
Markdown
20 lines
2.4 KiB
Markdown
# @deepseek-ai/dsh-host-directory-picker
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[English](README.md) | 中文
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web GUI 宿主的**工作区目录选择 seam**：抽象服务 `DirectoryPicker`（`ctx.directoryPicker`），唯一契约方法 `capability()` 返回一个可辨识能力对象，描述操作者以何种方式选择目录。后端之间的差异在交互形态而不只是机制，因此 seam 显式建模形态而非统一方法集：`{ kind: 'native', pick(signal) }` 在宿主屏幕上打开一个原生 OS 选择器（[`-native`](../directory-picker-native/README.md)）；`{ kind: 'browse', list(path?), createDirectory(path, name) }` 提供应用内浏览器驱动的列举／创建原语，可服务任何 OS 对话框都触及不到的远程客户端（[`-browse`](../directory-picker-browse/README.md)）。消费方按 `capability().kind` 分支；联合类型由可合并扩展的 `DirectoryPickerCapabilities` 映射派生（新后端在其中声明合并自己的形态），未知 kind 的文档化默认行为是隐藏选择入口而非失败。能力对象在服务生命周期内必须保持稳定。client 侧以镜像方式承接该 seam 而不经 wire 广播：每个后端包都是双面包，其 browser half 把匹配的选取交互注册进 ui-workspace 的目录流 slot——因此一行组合同时切换宿主能力与 client 流程。
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浏览原语以带类型的 `DirectoryPickerError` 失败（`directory-unreadable`／`directory-exists`／`directory-create-failed`，各自携带主体 `path`），消费网关将其 1:1 映射为协议错误码。`DirectoryEntry` 行携带宿主判定的 `hidden` 标志（POSIX 点前缀约定），展示策略留在客户端；`DirectoryListing.crumbs` 是从文件系统根开始的祖先链，每个 crumb 都是跳转目标。设计依据、与 `ctx.fs` 的切分、策略裁决见[目录选择能力 seam Agent Note](../../../.agents/notes/implemented/architecture/2026-07-28-directory-picker-capability-seam.md)。
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## 模型体验
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无。该 seam 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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- **没有多根词汇**——浏览契约每次列举只暴露一条祖先链；按部署限定可浏览根（以及 Windows 盘符之上的根枚举）等到出现需要它的消费方再做，见 seam Agent Note。
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