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

lib/exporter/cssTokens.test.ts

@@ -0,0 +1,25 @@
+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: [],
+    form: { actionUrl: '', fields: [], spamProtection: { honeypotFieldName: '_hp', minSubmitSeconds: 2 } },
+    analytics: { ga4MeasurementId: '', metaPixelId: '', customHeadHtml: '' },
+    seo: { title: 'SEO', description: 'Desc' },
+  })
+}
+
+describe('Exporter CSS tokens', () => {
+  test('includes focus outline, skip-link, and responsive MQ tokens', () => {
+    const out = exportPage(makePage())
+    expect(out.css).toMatch(/a\.skip-link:focus/)
+    expect(out.css).toMatch(/focus-visible|outline: 3px solid|outline-offset/)
+    expect(out.css).toMatch(/@media \(max-width: 640px\)/)
+    expect(out.css).toMatch(/@media \(prefers-reduced-motion: reduce\)/)
+  })
+})