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

lib/exporter/featuresTestimonials.aria.test.ts

@@ -0,0 +1,28 @@
+import { describe, expect, test } from 'vitest'
+import { exportPage } from './html'
+import { pageSchema, type Page } from '@/lib/schema/page'
+
+function makePage(): Page {
+  return pageSchema.parse({
+    title: 'T',
+    locale: 'en',
+    theme: { primaryColor: '#000000', fontFamily: 'Inter' },
+    sections: [
+      { type: 'features', props: { items: ['One', 'Two'] } },
+      { type: 'testimonials', props: { items: [{ author: 'Jane', quote: 'Great' }] } },
+    ] as Page['sections'],
+    form: { actionUrl: '', fields: [], spamProtection: { honeypotFieldName: '_hp', minSubmitSeconds: 2 } },
+    analytics: { ga4MeasurementId: '', metaPixelId: '', customHeadHtml: '' },
+    seo: { title: 'SEO', description: 'Desc' },
+  })
+}
+
+describe('Exporter - Features/Testimonials aria-labelledby', () => {
+  test('has aria-labelledby and matching heading ids', () => {
+    const out = exportPage(makePage())
+    expect(out.html).toContain('<section class="features" aria-labelledby="features-heading">')
+    expect(out.html).toContain('<h2 id="features-heading">Features</h2>')
+    expect(out.html).toContain('<section class="testimonials" aria-labelledby="testimonials-heading">')
+    expect(out.html).toContain('<h2 id="testimonials-heading">Testimonials</h2>')
+  })
+})