Merge remote-tracking branch 'origin/master' into worktree/web-background-tasks-display-258f7e

# Conflicts:
#	docs/subsystems/tasks.i18n.yaml
#	docs/subsystems/tasks.md
#	docs/subsystems/tasks.zh.md
#	packages/host/apiproxy/README.i18n.yaml
#	packages/host/apiproxy/README.md
#	packages/host/apiproxy/README.zh.md
#	packages/host/apiproxy/src/api-proxy.ts
#	packages/tasks/tasks-local/src/index.ts
#	packages/tasks/tasks/README.i18n.yaml
#	packages/tasks/tasks/README.md
#	packages/tasks/tasks/README.zh.md
#	packages/tasks/tasks/src/index.ts

packages/client/test-runtime/src/fixtures.ts

@@ -2,7 +2,9 @@
 import type {
   ConversationSnapshot, ISession, SessionId, SessionSummary, WorkspaceListState,
 } from '@deepseek-ai/dsh-client-runtime/client'
-import { EMPTY_CHAT_SNAPSHOT } from '@deepseek-ai/dsh-client-runtime/client'
+import {
+  EMPTY_CHAT_SNAPSHOT, EMPTY_CONVERSATION_VIEWS,
+} from '@deepseek-ai/dsh-client-runtime/client'
 
 /**
  * Fixture overrides for the session behavior face: any subset of the
@@ -46,6 +48,7 @@ export interface SessionFixture {
 export function conversationSnapshot(sessionId: SessionId): ConversationSnapshot {
   return {
     sessionId,
+    views: EMPTY_CONVERSATION_VIEWS,
     chat: EMPTY_CHAT_SNAPSHOT,
     nodes: [],
     turnTimings: new Map(),

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

@@ -5,7 +5,7 @@
  * declaration, registration, scope, store, inject, rendering, updates, and
  * disposal without hand-building the machinery per suite.
  *
- * Not part of the product plugin graph (no `dshClient`); feature packages
+ * Not part of the product plugin graph (no `dsh.client`); feature packages
  * depend on it in devDependencies only. It copies no SlotCore/renderer/store
  * machinery — everything mounts the production implementations.
  * @module @deepseek-ai/dsh-client-test-runtime
@@ -14,8 +14,8 @@
  * `keyof SlotMap & string` is the declare-merge key pattern (see ui-slots):
  * this compilation unit sees only the runtime's 'root' row, but consumer
  * programs merge their own keys in; the rule fires on the narrow-map view. */
-import { Context, Inject } from 'cordis'
-import type { Fiber, Plugin } from 'cordis'
+import { Context, Inject } from '@deepseek-ai/cordis'
+import type { Fiber, Plugin } from '@deepseek-ai/cordis'
 import { createElement, Fragment, useSyncExternalStore } from 'react'
 import type { ReactNode } from 'react'
 import { act, render, within } from '@testing-library/react'
@@ -36,6 +36,8 @@ import type { Stabilizer } from './fixtures.ts'
 
 export { domSnapshotSerializer, registerDomSnapshotSerializer } from './snapshot.ts'
 export { FixtureSession, TestSessions } from './sessions.ts'
+export { stubSettingsScope } from './settings-scope.ts'
+export type { StubSettingsScope } from './settings-scope.ts'
 export { TestWorkspaces } from './workspaces.ts'
 export { conversationSnapshot, workspaceListState } from './fixtures.ts'
 export type { SessionBehaviorOverrides, SessionFixture, Stabilizer } from './fixtures.ts'

packages/client/test-runtime/src/invariant.ts

@@ -4,7 +4,7 @@
  */
 
 /* jscpd:ignore-start */
-import type { Context } from 'cordis'
+import type { Context } from '@deepseek-ai/cordis'
 import type { InvariantInstaller } from '@deepseek-ai/dsh-invariants'
 
 const PACKAGE_NAME = '@deepseek-ai/dsh-client-test-runtime'

packages/client/test-runtime/src/sessions.ts

@@ -1,5 +1,6 @@
 /** Test-owned sessions face: the SlotsService host contract over declarative fixtures. */
-import type { Context } from 'cordis'
+import type { Context } from '@deepseek-ai/cordis'
+import type { AttachmentIdType } from '@deepseek-ai/dsh-attachment'
 import { createScope, scopeOf, SessionProvideChannel } from '@deepseek-ai/dsh-client-runtime/client'
 import { createSnapshotStore } from '@deepseek-ai/dsh-client-runtime/client'
 import type {
@@ -88,6 +89,15 @@ export class FixtureSession implements SessionFace {
     throw new Error(`test session "${this.sessionId}": prompt is not stubbed — supply it on the fixture's session face`)
   }
 
+  /**
+   * Fail-loud stub; supply `readAttachment` on the fixture's session face to exercise it.
+   * @param _attachmentId - opaque durable attachment id.
+   * @returns never — always throws.
+   */
+  readAttachment(_attachmentId: AttachmentIdType): never {
+    throw new Error(`test session "${this.sessionId}": readAttachment is not stubbed — supply it on the fixture's session face`)
+  }
+
   /**
    * Fail-loud stub; supply `updateQueue` on the fixture's session face to exercise it.
    * @returns never — always throws.

packages/client/test-runtime/src/settings-scope.ts

@@ -0,0 +1,48 @@
+/** Test double for the client settings-scope seam. */
+import { vi } from 'vitest'
+import type { SettingsScope, SettingsScopeSnapshot } from '@deepseek-ai/dsh-client-runtime/client'
+
+/** Handle over one stubbed scope: the scope, its write spy, and publication controls. */
+export interface StubSettingsScope<T> {
+  /** The scope face handed to the service under test. */
+  scope: SettingsScope<T>
+  /** Spy behind `scope.set`; resolves immediately. */
+  set: ReturnType<typeof vi.fn>
+  /** @returns how many listeners are currently subscribed (disposal assertions). */
+  listenerCount(): number
+  /**
+   * Replace part of the snapshot and notify subscribers, as a Host
+   * acceptance would.
+   * @param next - snapshot fields to replace.
+   */
+  publish(next: Partial<SettingsScopeSnapshot<T>>): void
+}
+
+/**
+ * Build an in-memory settings scope for service specs: starts in the host
+ * loading state, records writes, and lets the test publish Host acceptances.
+ * @returns the stub handle.
+ */
+export function stubSettingsScope<T>(): StubSettingsScope<T> {
+  let snapshot: SettingsScopeSnapshot<T> = {
+    status: 'loading', value: undefined, revision: undefined, writable: false, mode: 'host',
+  }
+  const listeners = new Set<() => void>()
+  const set = vi.fn(() => Promise.resolve())
+  return {
+    scope: {
+      getSnapshot: () => snapshot,
+      subscribe: (listener) => {
+        listeners.add(listener)
+        return () => { listeners.delete(listener) }
+      },
+      set,
+    },
+    set,
+    listenerCount: () => listeners.size,
+    publish: (next) => {
+      snapshot = { ...snapshot, ...next }
+      for (const listener of [...listeners]) listener()
+    },
+  }
+}

packages/client/test-runtime/src/workspaces.ts

@@ -73,18 +73,17 @@ export class TestWorkspaces implements IWorkspaces {
   /**
    * Create a Workspace (recorded). The default echoes a view derived from
    * the input; stub for failure or list-coupled flows.
-   * @param input - exactly one Host create spelling.
+   * @param input - the Host create payload.
    * @returns the created Workspace view.
    */
-  async create(input: { name: string } | { path: string }): Promise<WorkspaceView> {
+  async create(input: { path: string }): Promise<WorkspaceView> {
     this.calls.push({ method: 'create', args: [input] })
     const stub = this.stubs.get('create')
     if (stub !== undefined) return await (stub(input) as Promise<WorkspaceView>)
-    const title = 'name' in input ? input.name : input.path
     return {
-      workspaceId: `ws-${title}` as WorkspaceId,
-      title,
-      path: 'path' in input ? input.path : `/${input.name}`,
+      workspaceId: `ws-${input.path}` as WorkspaceId,
+      title: input.path,
+      path: input.path,
       sessionIds: [],
     } as unknown as WorkspaceView
   }