chore: archive completed OpenSpec changes

Archive all 6 deployed changes following OpenSpec workflow:
- add-minimal-hugo-site → hugo-site spec
- add-multilingual-support → internationalization spec
- migrate-site-content → content-migration + image-assets specs
- add-custom-bootstrap-styling → styling spec
- add-cv-page → content-management spec
- simple-deployment → deployment spec

All changes moved to archive/ with 2025-10-30 date prefix.
Created 7 capability specs reflecting deployed functionality.

🤖 Generated with [Claude Code](https://claude.com/claude-code)

Co-Authored-By: Claude <noreply@anthropic.com>

openspec/changes/archive/2025-10-30-add-custom-bootstrap-styling/tasks.md

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+## 1. SCSS Infrastructure Setup
+- [x] 1.1 Create `assets/scss/` directory structure
+- [x] 1.2 Create main SCSS entry file `assets/scss/main.scss`
+- [x] 1.3 Create Bootstrap variable overrides file `assets/scss/_variables.scss`
+- [x] 1.4 Create custom styles file `assets/scss/_custom.scss`
+
+## 2. Hugo Pipes Integration
+- [x] 2.1 Update `layouts/_default/baseof.html` to process SCSS with Hugo Pipes
+- [x] 2.2 Configure SCSS compilation with `css.Sass` (updated from deprecated `resources.ToCSS`)
+- [x] 2.3 Add fingerprinting for cache busting with `resources.Fingerprint`
+- [x] 2.4 Ensure correct CSS load order (Bootstrap CDN first, then custom)
+
+## 3. Initial Custom Styles
+- [x] 3.1 Add heading font size customizations to `_variables.scss`
+- [x] 3.2 Add link color customizations to `_variables.scss`
+- [x] 3.3 Test variable overrides render correctly
+- [x] 3.4 Verify styles cascade properly over Bootstrap defaults
+
+## 4. Testing & Validation
+- [x] 4.1 Test SCSS compilation in development mode (hugo server)
+- [x] 4.2 Test production build (hugo build)
+- [x] 4.3 Verify live reload works with SCSS changes
+- [x] 4.4 Check generated CSS file size and performance (154 bytes minified)
+- [x] 4.5 Validate CSS output is minified in production
+- [x] 4.6 Test in multiple browsers for consistency
+
+## 5. Documentation
+- [x] 5.1 Document SCSS file structure and conventions
+- [x] 5.2 Add examples of how to customize Bootstrap variables
+- [x] 5.3 Document the CSS compilation and caching strategy