test(ci): add exporter heading levels and a11y typography smoke; update MAIN_PLAN

components/BuilderClientPage.ariaDescribedby.features.test.tsx

@@ -0,0 +1,47 @@
+import { fireEvent, render, screen } from '@testing-library/react'
+import { NextIntlClientProvider } from 'next-intl'
+import { describe, expect, test } from 'vitest'
+import BuilderClientPage from './BuilderClientPage'
+import messages from '../messages/en.json'
+
+function Wrapper({ children }: { children: React.ReactNode }) {
+  return (
+    <NextIntlClientProvider messages={messages} locale="en">
+      {children}
+    </NextIntlClientProvider>
+  )
+}
+
+describe('BuilderClientPage - inspector aria-describedby (Features/Testimonials)', () => {
+  test('Features inputs reference help via aria-describedby', async () => {
+    render(
+      <Wrapper>
+        <BuilderClientPage />
+      </Wrapper>
+    )
+
+    fireEvent.click(screen.getByTestId('card-features'))
+    fireEvent.click(await screen.findByLabelText('Select 0'))
+
+    const feature0 = await screen.findByLabelText('Feature 0')
+    expect(feature0).toHaveAttribute('aria-describedby', 'ins-features-help')
+  })
+
+  test('Testimonials inputs reference help via aria-describedby', async () => {
+    render(
+      <Wrapper>
+        <BuilderClientPage />
+      </Wrapper>
+    )
+
+    fireEvent.click(screen.getByTestId('card-testimonials'))
+    fireEvent.click(await screen.findByLabelText('Select 0'))
+
+    fireEvent.click(screen.getByRole('button', { name: /Add Testimonial/i }))
+
+    const author0 = await screen.findByLabelText('Author 0')
+    const quote0 = await screen.findByLabelText('Quote 0')
+    expect(author0).toHaveAttribute('aria-describedby', 'ins-testimonials-help')
+    expect(quote0).toHaveAttribute('aria-describedby', 'ins-testimonials-help')
+  })
+})