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

lib/exporter/htmlExporter.assets.test.ts

@@ -0,0 +1,33 @@
+import { describe, it, expect } from 'vitest'
+import { pageSchema, type Page } from '@/lib/schema/page'
+import { exportPage } from '@/lib/exporter/html'
+import { AssetManager } from '@/lib/assets/assetManager'
+
+const makeLocalImagePage = async () => {
+  const am = new AssetManager({ maxBytes: 1024 * 1024, allowedExts: ['png'] })
+  const hero = await am.add({ name: 'hero.png', type: 'image/png', bytes: new Uint8Array([1,2,3]) })
+  const page: Page = pageSchema.parse({
+    title: 'Local Image',
+    locale: 'en',
+    theme: { primaryColor: '#0ea5e9', fontFamily: 'Inter' },
+    sections: [
+      {
+        type: 'hero',
+        props: { heading: 'Hi', subheading: '', imageUrl: `local:${hero.originalName}` },
+      },
+    ],
+    form: { actionUrl: '', fields: [], spamProtection: { honeypotFieldName: '_hp', minSubmitSeconds: 2 } },
+    seo: { title: 'Local Image', description: 'd' },
+  })
+  return { am, page }
+}
+
+describe('HTML Exporter - asset rewrite', () => {
+  it('local: 프리픽스 이미지는 assets/<hash>.<ext>로 치환된다', async () => {
+    const { am, page } = await makeLocalImagePage()
+    const out = exportPage(page, { assetManager: am })
+
+    // assets 경로가 HTML 내 포함되어야 함
+    expect(out.html).toMatch(/assets\/[a-f0-9]{8}\.png/)
+  })
+})