fix web player resuming on queue modification (#2250)

- During queue edits, stream URL reloads briefly reported a bogus duration (~0.07s). The gapless handler treated that as near end-of-track and called .play() while the player was still paused

src/renderer/features/player/audio-player/engine/web-player-engine.tsx

@@ -263,13 +263,15 @@ export const WebPlayerEngine = (props: WebPlayerEngineProps) => {
         networkRetryCount2.current = 0;
     }, [src1, src2]);
 
-    // When not transitioning, ensure only the active player can play (e.g. after seek/prev during transition)
+    // When not playing, always pause both players — even during a transition
     useEffect(() => {
-        if (isTransitioning) return;
         if (playerStatus !== PlayerStatus.PLAYING) {
             pauseBothPlayers();
             return;
         }
+        if (isTransitioning) {
+            return;
+        }
         if (playerNum === 1) {
             player2Ref.current?.getInternalPlayer()?.pause();
         } else {

src/renderer/features/player/audio-player/web-player.tsx

@@ -136,6 +136,10 @@ export function WebPlayer() {
                 return;
             }
 
+            if (usePlayerStoreBase.getState().player.status !== PlayerStatus.PLAYING) {
+                return;
+            }
+
             switch (transitionType) {
                 case PlayerStyle.CROSSFADE:
                     crossfadeHandler({
@@ -195,6 +199,10 @@ export function WebPlayer() {
                 return;
             }
 
+            if (usePlayerStoreBase.getState().player.status !== PlayerStatus.PLAYING) {
+                return;
+            }
+
             switch (transitionType) {
                 case PlayerStyle.CROSSFADE:
                     crossfadeHandler({
@@ -286,6 +294,11 @@ export function WebPlayer() {
             onCurrentSongChange: () => {
                 setIsTransitioning(false);
             },
+            onPlayerQueueChange: () => {
+                if (usePlayerStoreBase.getState().player.status !== PlayerStatus.PLAYING) {
+                    setIsTransitioning(false);
+                }
+            },
             onPlayerSeekToTimestamp: (properties) => {
                 setIsTransitioning(false);
 
@@ -607,6 +620,13 @@ function crossfadeHandler(args: {
     } = args;
     const player = `player${playerNum}`;
 
+    if (usePlayerStoreBase.getState().player.status !== PlayerStatus.PLAYING) {
+        if (isTransitioning) {
+            setIsTransitioning(false);
+        }
+        return;
+    }
+
     // If there is no next song to transition to, ensure we don't enter or stay in a transition
     if (!hasNextSong) {
         currentPlayer.setVolume(volume);
@@ -714,10 +734,25 @@ function gaplessHandler(args: {
         setIsTransitioning,
     } = args;
 
+    if (usePlayerStoreBase.getState().player.status !== PlayerStatus.PLAYING) {
+        if (isTransitioning) {
+            setIsTransitioning(false);
+        }
+        return null;
+    }
+
     if (!hasNextSong) {
         return null;
     }
 
+    // Ignore invalid durations (e.g. during URL load or empty source placeholder)
+    if (!Number.isFinite(duration) || duration < 2) {
+        if (isTransitioning) {
+            setIsTransitioning(false);
+        }
+        return null;
+    }
+
     if (!isTransitioning) {
         if (currentTime > duration - 2) {
             return setIsTransitioning(true);