music: self-hosted scrobbler (Spotify poller, Last.fm + streaming-history importers, /trackers/music, homepage listening card)

- music schema: artists/albums/tracks (+album art), plays with source + dedupe, now_playing,
  spotify_auth, import_state; plays_deduped view hides Last.fm scrobbles Spotify also has
- in-app Spotify poller (60s, leased) started from hooks init; no new role or env needed
- /api/spotify/connect + callback (owner only), /trackers/music public stats
- scripts: music-poll, music-import-lastfm (resumable), music-import-history
- deploy/music-collector: optional host timer with its own role

src/lib/projects.ts

@@ -65,6 +65,13 @@ const allTrackers = [
 		external: false,
 		private: false
 	},
+	{
+		name: 'music',
+		subtitle: 'everything I listen to: top artists, tracks, albums and streaks',
+		href: '/trackers/music',
+		external: false,
+		private: false
+	},
 	{
 		name: 'health',
 		subtitle: 'private: body, workouts, sleep, meds and vaccinations',