chore: merge branch fix/mobile-kontakt-button and fix og-image.test.ts

tests/og-image.test.ts

@@ -93,11 +93,12 @@ describe('OG Image Generation', () => {
 
     const url = `${BASE_URL}/de/blog/${slug}/opengraph-image`;
     const response = await fetch(url);
+    const responseClone = response.clone();
     await verifyImageResponse(response);
 
     // Verify the image is substantially large (>50KB) to confirm it actually
     // contains the featured photo and isn't just a tiny fallback/text-only image
-    const buffer = await response.clone().arrayBuffer();
+    const buffer = await responseClone.arrayBuffer();
     expect(
       buffer.byteLength,
       `OG image for "${slug}" is suspiciously small (${buffer.byteLength} bytes) — likely missing featured photo`,

tests/pages.test.ts

@@ -0,0 +1,50 @@
+import { describe, it, expect } from 'vitest';
+import { getPageBySlug } from '../lib/pages';
+import { getPostBySlug, getPostSlugs } from '../lib/blog';
+
+describe('getPageBySlug translation routing', () => {
+  it('should resolve standard page in German', async () => {
+    const page = await getPageBySlug('impressum', 'de');
+    expect(page).not.toBeNull();
+    expect(page?.frontmatter.title).toBe('Impressum');
+  });
+
+  it('should resolve translated slug "legal-notice" for English', async () => {
+    const page = await getPageBySlug('legal-notice', 'en');
+    expect(page).not.toBeNull();
+    expect(page?.frontmatter.title).toBe('Impressum');
+  });
+
+  it('should resolve translated slug "privacy-policy" for English', async () => {
+    const page = await getPageBySlug('privacy-policy', 'en');
+    expect(page).not.toBeNull();
+    expect(page?.frontmatter.title).toBe('Datenschutzerklärung');
+  });
+
+  it('should return null for non-existent slugs', async () => {
+    const page = await getPageBySlug('does-not-exist', 'de');
+    expect(page).toBeNull();
+  });
+});
+
+describe('getPostBySlug and getPostSlugs translation routing', () => {
+  it('should resolve post by English slug', async () => {
+    const post = await getPostBySlug(
+      'focus-on-wind-farm-construction-three-typical-cable-challenges',
+      'en',
+    );
+    expect(post).not.toBeNull();
+    expect(post?.frontmatter.title).toBe(
+      'Windparkbau im Fokus: drei typische Kabelherausforderungen',
+    );
+  });
+
+  it('should return correct localized post slugs', async () => {
+    const slugs = await getPostSlugs(
+      'focus-on-wind-farm-construction-three-typical-cable-challenges',
+      'en',
+    );
+    expect(slugs.de).toBe('windparkbau-im-fokus-drei-typische-kabelherausforderungen');
+    expect(slugs.en).toBe('focus-on-wind-farm-construction-three-typical-cable-challenges');
+  });
+});