feat(player): add current track to playlists

apps/web/src/widgets/PlayerBar.tsx

@@ -4,6 +4,7 @@ import { Link } from '@tanstack/react-router';
 import { useTranslation } from 'react-i18next';
 
 import { ArtistLinks, Cover } from '../entities/catalog';
+import { AddToPlaylist } from '../entities/playlists';
 import { usePlayer, usePlayerState } from '../player/context';
 import { formatDuration } from '../shared/lib/format';
 import { shareTrack } from '../shared/lib/share';
@@ -178,6 +179,7 @@ export function PlayerBar({ variant = 'bar' }: { variant?: 'bar' | 'island' }) {
       </div>
 
       <div className={s.right}>
+        <AddToPlaylist trackIds={[track.id]} compact className={cx(s.icon, s.playlistButton)} />
         <button type="button" className={cx(s.icon, s.shareButton)} aria-label={t('player.share')} title={t('player.share')} disabled={sharing} onClick={() => void share()}>
           <Icon src={shareIcon} size={20} />
         </button>