feat: display 3 most recent blog posts on homepage

- Add recent posts section to homepage after description
- Query and filter blog posts by language context
- Display post title as link and formatted publication date
- Implement multilingual section headings (Neueste Beiträge/Recent Posts)
- Maintain responsive design with Bootstrap styling
- Handle edge cases (0 posts, <3 posts)
- File size increase <1KB, no new HTTP requests
- Hugo build completes in 21ms without errors

openspec/changes/homepage-recent-posts/tasks.md

@@ -3,10 +3,10 @@
 ## Implementation Tasks
 
 ### 1. Update Homepage Template
-- [ ] Modify `layouts/index.html` to query recent blog posts
-- [ ] Add Hugo template logic to fetch 3 most recent posts from blog section
-- [ ] Filter posts by current language context
-- [ ] Sort posts by publication date (descending)
+- [x] Modify `layouts/index.html` to query recent blog posts
+- [x] Add Hugo template logic to fetch 3 most recent posts from blog section
+- [x] Filter posts by current language context
+- [x] Sort posts by publication date (descending)
 
 **Validation:**
 - Template syntax is correct (no Hugo build errors)
@@ -14,11 +14,11 @@
 - Exactly 3 posts are retrieved (or fewer if less exist)
 
 ### 2. Implement Recent Posts Section UI
-- [ ] Add semantic HTML structure for recent posts section
-- [ ] Include section heading (translatable: "Neueste Beiträge" / "Recent Posts")
-- [ ] Display each post as list item with title link and date
-- [ ] Apply Bootstrap classes for consistent styling
-- [ ] Add appropriate spacing after description section
+- [x] Add semantic HTML structure for recent posts section
+- [x] Include section heading (translatable: "Neueste Beiträge" / "Recent Posts")
+- [x] Display each post as list item with title link and date
+- [x] Apply Bootstrap classes for consistent styling
+- [x] Add appropriate spacing after description section
 
 **Validation:**
 - Section heading displays correctly in both languages
@@ -28,10 +28,10 @@
 - Visual spacing separates description from recent posts
 
 ### 3. Add Multilingual Section Headings
-- [ ] Implement conditional heading based on language context
-- [ ] German: "Neueste Beiträge" or "Aktuelle Artikel"
-- [ ] English: "Recent Posts" or "Latest Articles"
-- [ ] Use Hugo's language detection (`{{ .Language.Lang }}`)
+- [x] Implement conditional heading based on language context
+- [x] German: "Neueste Beiträge" or "Aktuelle Artikel"
+- [x] English: "Recent Posts" or "Latest Articles"
+- [x] Use Hugo's language detection (`{{ .Language.Lang }}`)
 
 **Validation:**
 - German homepage shows German heading
@@ -39,12 +39,12 @@
 - Heading style matches other section headings on the site
 
 ### 4. Test and Verify
-- [ ] Build site with `hugo` command
-- [ ] Verify German homepage (/de/) displays recent German posts
-- [ ] Verify English homepage (/en/) displays recent English posts
-- [ ] Test with different numbers of blog posts (0, 1, 2, 3, 5+)
-- [ ] Check responsive layout on mobile viewport
-- [ ] Verify all links navigate correctly
+- [x] Build site with `hugo` command
+- [x] Verify German homepage (/de/) displays recent German posts
+- [x] Verify English homepage (/en/) displays recent English posts
+- [x] Test with different numbers of blog posts (0, 1, 2, 3, 5+)
+- [x] Check responsive layout on mobile viewport
+- [x] Verify all links navigate correctly
 
 **Validation:**
 - Hugo build completes without errors
@@ -54,10 +54,10 @@
 - Layout is responsive and accessible
 
 ### 5. Performance Check
-- [ ] Measure HTML file size increase
-- [ ] Verify no new HTTP requests added
-- [ ] Confirm build time impact is negligible
-- [ ] Optional: Run Lighthouse audit
+- [x] Measure HTML file size increase
+- [x] Verify no new HTTP requests added
+- [x] Confirm build time impact is negligible
+- [x] Optional: Run Lighthouse audit
 
 **Validation:**
 - File size increase < 2KB