- Add vendor/theme-init.js for synchronous dark mode init in <head>
- Update all 13 frontend pages with dark: variant classes
- Dark mode as default, light mode via localStorage toggle
- Remove redundant theme.css rules in favor of Tailwind dark: classes
- Add settings-dark-theme.png reference screenshot
Co-Authored-By: Claude Opus 4.8 (1M context) <noreply@anthropic.com>