test(cua): import question fixtures through package exports

packages/experimental/cua/tests/application-approval.client.spec.tsx

@@ -3,7 +3,7 @@
 import { cleanup, render } from '@testing-library/react'
 import { afterEach, expect, it, vi } from 'vitest'
 import type { ApprovalCardInput } from '@deepseek-ai/dsh-client-ui-approval/client'
-import { PendingQuestion, createWaterfallRequest } from '../../../client/ui-user-questions/src/client/contract/slots.ts'
+import { PendingQuestion, createWaterfallRequest } from '@deepseek-ai/dsh-client-ui-user-questions/src/client/contract/slots.ts'
 import { ApplicationApproval, selectApplicationApproval, type ApplicationApprovalProps } from '../src/client/ApplicationApproval.tsx'
 
 type AskUserQuestionItem = PendingQuestion['questions'][number]