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feat(host): directory-picker capability seam with dialog and browse backends

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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
This commit is contained in:
creatixchu
2026-07-28 15:44:53 +08:00
parent d1ce22e7ad
commit 7fd2abd828
73 changed files with 1536 additions and 49 deletions
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8
packages/host/apiproxy/tests/fetch-carrier.spec.ts
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@@ -75,11 +75,17 @@ function fakeApi(overrides: Partial<{ muxFrames: MuxFrame[]; hostFrames: HostFra
},
host: {
async describe(request) {
return { rpcId: request.rpcId, result: { ok: true, value: { version: 'v', cwd: '/w', attachedSessions: 0 } } }
return { rpcId: request.rpcId, result: { ok: true, value: { version: 'v', cwd: '/w', attachedSessions: 0, directoryPicker: 'dialog' as const } } }
},
async pickDirectory(request) {
return { rpcId: request.rpcId, result: { ok: true, value: { path: null } } }
},
async listDirectory(request) {
return { rpcId: request.rpcId, result: { ok: true, value: { path: '/w', home: '/w', crumbs: [{ name: '/', path: '/', hidden: false }], entries: [] } } }
},
async createDirectory(request) {
return { rpcId: request.rpcId, result: { ok: true, value: { path: '/w/new' } } }
},
},
workspace: {
async list(request) {