auto: PR for feat/export-css-tokens-deep (#83)

Automated PR created on push to feat/export-css-tokens-deep

Reviewed-on: #83
Co-authored-by: Jaybe <master@jaybe.dev>
Co-committed-by: Jaybe <master@jaybe.dev>

lib/exporter/image.responsive.options.matrix.test.ts

@@ -0,0 +1,46 @@
+import { describe, it, expect } from 'vitest'
+import { exportPage } from '@/lib/exporter/html'
+import type { ExportOptions } from '@/lib/exporter/html'
+import type { Page } from '@/lib/schema/page'
+
+const basePage: Page = {
+  title: 'Img Matrix',
+  locale: 'en',
+  theme: { primaryColor: '#0ea5e9', fontFamily: 'Inter' },
+  sections: [
+    { type: 'hero', props: { heading: 'Hero', subheading: '', imageUrl: 'https://example.com/hero.jpg' } },
+  ],
+  form: {
+    actionUrl: '',
+    fields: [],
+    spamProtection: { honeypotFieldName: '_hp', minSubmitSeconds: 2 },
+  },
+  analytics: { ga4MeasurementId: '', metaPixelId: '', customHeadHtml: '' },
+  seo: { title: 'T', description: 'D' },
+}
+
+describe('image responsive options - matrix', () => {
+  it('applies loading and decoding attributes from options', () => {
+    const opts: ExportOptions = { imageLoading: 'eager', imageDecoding: 'sync' }
+    const { html } = exportPage(basePage, opts)
+    expect(html).toMatch(/<img[^>]*loading="eager"/)
+    expect(html).toMatch(/<img[^>]*decoding="sync"/)
+  })
+
+  it('sets fetchpriority="low" when specified', () => {
+    const opts: ExportOptions = { imageFetchPriority: 'low' }
+    const { html } = exportPage(basePage, opts)
+    expect(html).toMatch(/<img[^>]*fetchpriority="low"/)
+  })
+
+  it('prefers preset sizes over auto default when both provided (no explicit sizes)', () => {
+    const opts: ExportOptions = {
+      imageSrcset: 'https://example.com/hero.jpg 1x, https://example.com/hero@2x.jpg 2x',
+      imageAutoSizes: true,
+      imageSizesPreset: 'mobile-first',
+    }
+    const { html } = exportPage(basePage, opts)
+    // preset should win over default auto sizes
+    expect(html).toMatch(/<img[^>]*sizes="\(max-width: 640px\) 100vw, 800px"/)
+  })
+})