fix: suppress transient isPlaying:false during native skip transitions

Co-Authored-By: Claude Sonnet 4.6 <noreply@anthropic.com>

src/player.js

@@ -14,6 +14,8 @@ let _nativePos      = 0;   // ms
 let _nativePlaying  = false;
 let _lastPositionMs = 0;   // ms — set by onPositionUpdate, used for prev() decision
 let _lastDurationMs = 0;   // ms — set by onPositionUpdate, used for seek calculations
+let _skipping       = false;  // true briefly after a skip — suppresses the transient isPlaying:false
+let _skipTimer      = null;
 
 // Unified duration / position / seek helpers — use native state when available,
 // fall back to HTMLAudioElement when not.
@@ -96,6 +98,9 @@ window.NSPlayer = {
   onPlaybackStateChanged(stateJson) {
     try {
       const state = JSON.parse(stateJson);
+      if (state.isPlaying) { _skipping = false; clearTimeout(_skipTimer); }
+      // Suppress the transient isPlaying:false emitted by the native player during track transitions.
+      if (!state.isPlaying && _skipping) return;
       const prev  = _nativePlaying;
       _nativePlaying = state.isPlaying;
       if (state.isPlaying !== prev) {
@@ -452,9 +457,16 @@ function _computeNextIdx() {
   return -1;
 }
 
+function _setSkipping() {
+  _skipping = true;
+  clearTimeout(_skipTimer);
+  _skipTimer = setTimeout(() => { _skipping = false; }, 2000);
+}
+
 export function prevSong() {
   _clearPreload();
   if (HAS_BRIDGE) {
+    _setSkipping();
     if (_lastPositionMs > 3000) { _nsBridge('prev'); return; }
     if (S.qIdx > 0) {
       S.qIdx--;
@@ -471,6 +483,7 @@ export function prevSong() {
 export function nextSong() {
   _clearPreload();
   if (HAS_BRIDGE) {
+    _setSkipping();
     const ni = _computeNextIdx();
     if (ni >= 0 && ni < S.queue.length) {
       S.qIdx = ni;