fix: pwa changes

src/player.js

@@ -17,8 +17,14 @@ export function playQueue(songs, startIdx) {
 export function playCurrent() {
   if(S.qIdx < 0 || S.qIdx >= S.queue.length) return;
   const s = S.queue[S.qIdx];
+  // Pre-update MediaSession before src change so the OS never sees a "paused" flash
+  // (setting src fires pause synchronously; _changingTrack suppresses that in the pause handler)
+  updateMediaSession(s);
+  if(navigator.mediaSession) navigator.mediaSession.playbackState = 'playing';
+  S._changingTrack = true;
   S.audio.src = streamUrl(s.id);
-  S.audio.play();
+  S._changingTrack = false;
+  S.audio.play().catch(() => {});
   updatePlayerUI(s);
   onNpSongChange(s.id);
   renderQueue();