Add per-user playlist routing preferences to replace env-driven defaults

[Copilot]

Per-user playlist routing should not depend on shared .env defaults; users must choose their default, uncertain playlist, and similarity threshold from the dashboard.

• Data model & defaults

  • Added D1 columns (default_playlist, uncertain_playlist, similarity_threshold) with migration; new users seeded from env defaults if present.
  • Preference resolver centralizes similarity threshold (clamped 0–1) and per-user vs env fallback selection.

• API behavior

  • /add now resolves target playlists using user preferences first, with env fallbacks normalized; guards missing playlists early.
  • Auth middleware/user context extended with preference fields; new helper unit tests cover resolver logic.

• Dashboard UI & persistence

  • Added preferences form (default playlist, uncertain playlist, similarity threshold) to dashboard with server-side update handler and result validation.
  • Docs/schema updated to reflect per-user configuration instead of .env reliance.

const { targetPlaylist } = resolvePlaylistTarget({
  requestedPlaylist,
  similarity,
  preferences: userPrefs,
  envDefault,
  envUncertain
});

• Screenshot
  • Dashboard preferences UI: https://github.com/user-attachments/assets/8cb4c960-d0d7-498d-9468-e357a7b6d222

Original prompt

The app should be per user isolated and not depend on the .env for user specific configurations. For example the user cannot select which playlist songs should go depending on the similarity level. This should be added to the dashboard so everyone can choose where songs go. Things that should be manaeged by the server owner like API keys (Groq, gemini etc) should stay in the .env ofcourse

---

✨ Let Copilot coding agent set things up for you — coding agent works faster and does higher quality work when set up for your repo.

[cloudflare-workers-and-pages]

Deploying with    Cloudflare Workers

The latest updates on your project. Learn more about integrating Git with Workers.

Status	Name	Latest Commit	Preview URL	Updated (UTC)
✅ Deployment successful! View logs	playlisturlify	2bf48b2	Commit Preview URL Branch Preview URL	Dec 24 2025, 04:35 PM