feat(web): open workspace picker from composer

packages/client/ui-conversation/tests/assembly-surfaces.spec.tsx

@@ -189,12 +189,20 @@ describe('resident composer', () => {
     runtime.slots.installLocale(locale)
     await runtime.root.declare(LAYOUT_CHILDREN, AppRoot)
     await runtime.mount({ inject: [...inject], apply })
+    runtime.slots.register({ name: 'conversation.hero.workspace' }, WorkspaceProbe)
     const view = runtime.renderRoot()
-    // No session entity: the inert twin renders (disabled textarea), and the
-    // workspace picker chip is the only live control.
     const textarea = view.container.querySelector('textarea')
     expect(textarea).not.toBeNull()
-    expect(textarea!.disabled).toBe(true)
+    expect(textarea!.disabled).toBe(false)
+    expect(textarea!.readOnly).toBe(true)
+    expect(textarea!.getAttribute('aria-haspopup')).toBe('menu')
+    expect(view.getByTestId('workspace-probe').textContent).toBe('false:0')
+    fireEvent.click(textarea!)
+    expect(view.getByTestId('workspace-probe').textContent).toBe('true:0')
+    expect(textarea!.getAttribute('aria-expanded')).toBe('true')
+    fireEvent.click(view.getByRole('button', { name: '选择工作区' }))
+    fireEvent.keyDown(textarea!, { key: 'Enter' })
+    expect(view.getByTestId('workspace-probe').textContent).toBe('true:0')
     expect(view.getByRole('button', { name: '选择工作区' })).toBeTruthy()
     await runtime.dispose()
   })
@@ -219,7 +227,8 @@ describe('resident composer', () => {
     const textarea = view.container.querySelector('textarea')!
     const workspaceChip = view.getByRole('button', { name: '选择工作区' })
     const workspaceProbe = view.getByTestId('workspace-probe')
-    expect(textarea.disabled).toBe(true)
+    expect(textarea.disabled).toBe(false)
+    expect(textarea.readOnly).toBe(true)
 
     fireEvent.click(workspaceChip)
     fireEvent.click(workspaceProbe)
@@ -239,6 +248,7 @@ describe('resident composer', () => {
     expect(view.getByTestId('workspace-probe')).toBe(workspaceProbe)
     expect(workspaceProbe.textContent).toBe('true:1')
     expect(textarea.disabled).toBe(false)
+    expect(textarea.readOnly).toBe(false)
     await runtime.dispose()
   })
 

packages/client/ui-conversation/tests/input-bar.spec.tsx

@@ -55,6 +55,9 @@ interface BenchOptions {
   running?: boolean
   subagent?: Exclude<ConversationSnapshot['subagent'], null>
   disabled?: boolean
+  inert?: boolean
+  workspacePickerOpen?: boolean
+  onRequestWorkspace?: () => void
   promptError?: ConversationSnapshot['promptError']
   variant?: 'hero' | 'composer'
   placeholder?: string
@@ -135,6 +138,9 @@ function bench(over?: BenchOptions) {
     t: over?.t ?? makeTranslate(zh, commonZh),
     renderSlot,
     variant: over?.variant ?? 'composer',
+    ...(over?.inert === true ? { disabled: true } : {}),
+    ...(over?.workspacePickerOpen !== undefined ? { workspacePickerOpen: over.workspacePickerOpen } : {}),
+    ...(over?.onRequestWorkspace !== undefined ? { onRequestWorkspace: over.onRequestWorkspace } : {}),
     ...(over?.placeholder !== undefined ? { placeholder: over.placeholder } : {}),
     ...(over?.accessory !== undefined ? { accessory: over.accessory } : {}),
     ...(over?.overlay !== undefined ? { overlay: over.overlay } : {}),
@@ -539,6 +545,26 @@ describe('running and lock semantics (queue cut 1)', () => {
     expect(custom.textarea.placeholder).toBe('Custom placeholder')
   })
 
+  it('the inert textarea opens the Workspace picker by pointer or keyboard', () => {
+    const onRequestWorkspace = vi.fn()
+    const { view, textarea } = bench({
+      inert: true,
+      workspacePickerOpen: false,
+      onRequestWorkspace,
+      placeholder: '选择一个工作区开始',
+    })
+    expect(textarea.disabled).toBe(false)
+    expect(textarea.readOnly).toBe(true)
+    expect(textarea.getAttribute('aria-haspopup')).toBe('menu')
+    expect(textarea.getAttribute('aria-expanded')).toBe('false')
+    expect((view.getByLabelText('命令') as HTMLButtonElement).disabled).toBe(true)
+
+    fireEvent.click(textarea)
+    fireEvent.keyDown(textarea, { key: 'Enter' })
+    fireEvent.keyDown(textarea, { key: ' ' })
+    expect(onRequestWorkspace).toHaveBeenCalledTimes(3)
+  })
+
   it('the plan projection swaps the placeholder while its effective target is plan mode', () => {
     const active = bench({ plan: { active: true, pending: false } })
     expect(active.textarea.placeholder).toBe('描述你的任务以生成计划')