- Add theme-blocks.ts registry with 24 themeable blocks across 4 categories
- Extend resolver to resolve blocks, layout, effects, media, and custom CSS per scope
- Add data-theme-block attributes to all site layout blocks
- Extend ScopedThemeVars to generate CSS for block visibility, layout vars, effect vars, media vars, and custom CSS
- Rewrite admin UI with 6 tabs: Colors, Blocks, Layout, Effects, Media, Custom
- Extend server actions to save/load all new setting types
- No database migration needed - uses existing theme_scope_values table with prefixed keys
- Add theme_scopes and theme_scope_values database tables for scoped themes
- Implement theme resolver engine with inheritance: global > site > module > route
- Add module detection for 20+ routes (shop, guilds, radio, news, etc.)
- Create admin UI at /admin/theme-builder with scope tree and color editor
- Add ScopedThemeVars component for injecting scoped CSS via data-attributes
- Add ThemeScopeDetector client component for runtime module/route detection
- Add site-resolver for multi-site domain detection
- Add /api/themes/export endpoint (JSON, CSS, variables formats)
- Add /api/themes/export/embed.js for external integration widget
- Add server actions for full CRUD on scopes and theme values
- Add admin nav link and EN/NL translations
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