feat: add personal playlists and shareable track links

EOF

Co-authored-by: Cursor <cursoragent@cursor.com>

packages/core/src/index.ts

@@ -22,5 +22,6 @@ export {
   type Track,
 } from './player';
 export { normalizeGain, TARGET_LUFS } from './gain';
+export { trackShareUrl } from './share';
 export { checkServer, normalizeServerUrl, type ServerCheck } from './server';
 export { initialWaveState, mix, rgb, rgba, step, WAVE_COLORS, waveScale, type Rgb, type WaveState } from './wave-anim';