Merge remote-tracking branch 'github/master' into xtr/trajectory-inspection-ui

packages/client/runtime/src/client/contract/workspaces.ts

@@ -6,7 +6,7 @@
  * the concrete class. Widening this interface is the explicit act of
  * widening what features may do to the workspaces domain.
  */
-import type { SessionId, WorkspaceId, WorkspaceView } from '@deepseek-ai/dsh-client-connection/client'
+import type { DirectoryListing, SessionId, WorkspaceId, WorkspaceView } from '@deepseek-ai/dsh-client-connection/client'
 import type { WorkspaceListState } from '../workspaces/service.ts'
 import type { ObservableSnapshot } from './store.ts'
 
@@ -37,6 +37,20 @@ export interface IWorkspaces {
    * @returns the selected path, or null when the user cancelled.
    */
   pickDirectory(): Promise<string | null>
+  /**
+   * List one directory level through the Host's `browse` capability.
+   * @param path - absolute directory to list; absent lists the Host home directory.
+   * @param signal - aborts the wire request (and the Host's scan) when the caller supersedes it.
+   * @returns the level's listing with breadcrumb ancestry.
+   */
+  listDirectory(path?: string, signal?: AbortSignal): Promise<DirectoryListing>
+  /**
+   * Create one child directory through the Host's `browse` capability.
+   * @param path - absolute existing parent directory.
+   * @param name - single non-blank path segment.
+   * @returns the created directory's absolute path.
+   */
+  createDirectory(path: string, name: string): Promise<string>
   /**
    * Open a filesystem path with the Host operating system's default application.
    * @param path - absolute or host-resolvable path.

packages/client/runtime/src/client/index.ts

@@ -18,7 +18,7 @@ export { SessionProvideChannel } from './sessions/provide.ts'
 export type { SessionProvideChannelHost } from './sessions/provide.ts'
 export { createScope } from './agents/scope.ts'
 export type { AgentScopeHandle } from './agents/scope.ts'
-export { WorkspaceCreateError, WorkspacesService } from './workspaces/service.ts'
+export { DirectoryBrowseError, WorkspaceCreateError, WorkspacesService } from './workspaces/service.ts'
 export type { Session } from './sessions/session.ts'
 export type { ISession, ProjectionsFace, SessionFace } from './contract/session.ts'
 export type { ISessions } from './contract/sessions.ts'
@@ -29,7 +29,9 @@ export type {
 export type { SessionListPhase } from './sessions/manager.ts'
 export type { WorkspaceListPhase } from './workspaces/manager.ts'
 export type { WorkspaceListState } from './workspaces/service.ts'
-export type { WorkspaceId, WorkspaceView } from '@deepseek-ai/dsh-client-connection/client'
+export type {
+  DirectoryEntry, DirectoryListing, WorkspaceId, WorkspaceView,
+} from '@deepseek-ai/dsh-client-connection/client'
 // Runtime owns the snapshot store; web-react only binds it to React.
 export { createSnapshotStore, defineStore, shallowEqual } from './contract/store.ts'
 export type {

packages/client/runtime/src/client/workspaces/service.ts

@@ -2,7 +2,8 @@
 
 import type { Context } from 'cordis'
 import type {
-  IApiClient, RpcError, SessionId, WorkspaceId, WorkspaceView,
+  DirectoryListing, IApiClient, RpcError,
+  SessionId, WorkspaceId, WorkspaceView,
 } from '@deepseek-ai/dsh-client-connection/client'
 import type { SnapshotStore } from '../contract/store.ts'
 import { createSnapshotStore } from '../contract/store.ts'
@@ -30,6 +31,14 @@ export class WorkspaceCreateError extends Error {
   }
 }
 
+/** Structured browse failure so the directory browser can branch on Host business codes. */
+export class DirectoryBrowseError extends Error {
+  constructor(readonly rpcError: RpcError) {
+    super(`directory browse failed: ${rpcError.code}: ${rpcError.message}`)
+    this.name = 'DirectoryBrowseError'
+  }
+}
+
 /** Real Workspace object layer and Host actions. */
 export class WorkspacesService implements IWorkspaces {
   /** UI-facing immutable projection; the manager remains wire truth. */
@@ -172,7 +181,7 @@ export class WorkspacesService implements IWorkspaces {
   }
 
   /**
-   * Open the Host's native directory picker.
+   * Open the Host's native directory picker (the `native` capability).
    * @returns the selected path, or null when the user cancelled.
    */
   async pickDirectory(): Promise<string | null> {
@@ -183,6 +192,30 @@ export class WorkspacesService implements IWorkspaces {
     return response.result.value.path
   }
 
+  /**
+   * List one directory level through the Host's `browse` capability.
+   * @param path - absolute directory to list; absent lists the Host home directory.
+   * @param signal - aborts the wire request (and the Host's scan) when the caller supersedes it.
+   * @returns the level's listing with breadcrumb ancestry.
+   */
+  async listDirectory(path?: string, signal?: AbortSignal): Promise<DirectoryListing> {
+    const response = await this.api.host.listDirectory(path === undefined ? {} : { path }, signal)
+    if (!response.result.ok) throw new DirectoryBrowseError(response.result.error)
+    return response.result.value
+  }
+
+  /**
+   * Create one child directory through the Host's `browse` capability.
+   * @param path - absolute existing parent directory.
+   * @param name - single non-blank path segment.
+   * @returns the created directory's absolute path.
+   */
+  async createDirectory(path: string, name: string): Promise<string> {
+    const response = await this.api.host.createDirectory({ path, name })
+    if (!response.result.ok) throw new DirectoryBrowseError(response.result.error)
+    return response.result.value.path
+  }
+
   /**
    * Open a filesystem path with the Host operating system's default application.
    * @param path - absolute or host-resolvable path.