- Add `is_nsfw` column to `songs` and `playlists` tables
- Implement NSFW checkbox in song/playlist upload and edit forms
- Enforce NSFW content visibility: block unauthenticated users from viewing/streaming NSFW songs/playlists
- Filter NSFW content from public-facing lists (recent, popular, liked, etc.) unless user is logged in
- Add VIP-only visibility option for songs/playlists (admin/VIP users only)
- Display "EXPLICIT" badge on NSFW items in UI
- Add CSS styling for NSFW badge
- Update service layer to handle NSFW flag in CRUD operations and queries
- Register service worker (`sw.js`) with cache-first static assets and network-first HTML pages
- Update `site.webmanifest` with app name, colors, icons at `/static/`, and standalone display mode
- Add `<meta name="theme-color">` in layout for browser UI theming
- Simplify creativity slider: change range from 0–10 to 3.0–7.0 (step 0.5), aligning frontend and backend logic
- Adjust `generate.js` route and `generation.js` service to accept direct temperature values (3.0–7.0) instead of scaled inputs
Brian Fertig