fix: ignore onQueueEnded before onReady fires — prevents stale end-of-song event from advancing queue on app reopen

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

src/player.js

@@ -15,6 +15,7 @@ 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 _readyTs        = 0;   // timestamp of last onReady — used to suppress spurious onQueueEnded
+let _bridgeReady    = false; // true once onReady has fired; onQueueEnded is ignored before this
 
 // ─── SCROBBLE ─────────────────────────────────────────────────────────────
 let _scrobbleTimer  = null;
@@ -85,10 +86,10 @@ window.NSPlayer = {
 
   // Called when MediaController connects (first load or WebView reload).
   onReady() {
-    // Guard window: ignore onQueueEnded for 1.5s after reconnect.
-    // ExoPlayer can deliver a stale STATE_ENDED callback right after the MediaController
-    // reconnects to a session whose last track had already finished.
-    _readyTs = Date.now();
+    // Mark bridge as ready: onQueueEnded fired before this point came from a previous
+    // session (song finished while backgrounded) and must not advance the queue.
+    _bridgeReady = true;
+    _readyTs     = Date.now();
 
     if (HAS_BRIDGE && S.queue.length > 0) {
       try {
@@ -216,9 +217,10 @@ window.NSPlayer = {
 
   // Single track finished — JS drives what plays next.
   onQueueEnded() {
-    // Suppress if fired within 1.5s of onReady — ExoPlayer can replay a stale STATE_ENDED
-    // callback right after the MediaController reconnects, which would skip the queue.
-    if (Date.now() - _readyTs < 1500) return;
+    // Ignore if onReady hasn't fired yet: the song ended while the app was backgrounded
+    // and the callback arrived before the new page session is fully connected.
+    // Also ignore the brief window right after onReady (stale STATE_ENDED replay).
+    if (!_bridgeReady || Date.now() - _readyTs < 1500) return;
     _nativePlaying = false;
     setPlayIcon(false);
     onEnded(); // handles repeat, radio top-up, and queue advance