fix play now

src/lib/player/store.svelte.ts

@@ -109,11 +109,16 @@ class PlayerStore {
 
 		if (existingIdx !== -1) {
 			if (playNow) {
+				this.playNext(track);
 				this.playId(track.id);
 			}
 			return;
 		}
 
+		if (playNow) {
+			this.playNext(track);
+			this.playId(track.id);
+		} else {
 			// Add to end
 			this.queue.push(track);
 
@@ -121,12 +126,11 @@ class PlayerStore {
 				this.shuffledIndices.push(this.queue.length - 1);
 			}
 
-		if (playNow) {
-			this.playId(track.id);
-		} else if (this.queue.length === 1 && !this.currentId) {
+			if (this.queue.length === 1 && !this.currentId) {
 				this.currentId = track.id;
 			}
 		}
+	}
 
 	playNext(track: Track) {
 		const existingIdx = this.queue.findIndex((t) => t.id === track.id);
@@ -248,23 +252,35 @@ class PlayerStore {
 	}
 
 	prev() {
-		// If history has > 1 item, go back
-		if (this.history.length > 1) {
-			// Pop current
-			this.history.pop();
-			const prevId = this.history[this.history.length - 1];
-			if (this.hasTrack(prevId)) {
-				this.currentId = prevId;
-			} else {
-				// Track removed? fallback
-				this.history.pop(); // Remove invalid
-				this.prev(); // Recurse
+		if (this.queue.length === 0) return;
+
+		let prevIdxInQueue: number | null = null;
+		const currentIdx = this.currentIndex;
+
+		if (this.isShuffled) {
+			const currentShufflePos = this.shuffledIndices.indexOf(currentIdx);
+			if (currentShufflePos > 0) {
+				prevIdxInQueue = this.shuffledIndices[currentShufflePos - 1];
+			} else if (this.repeatMode === "all" && this.shuffledIndices.length > 0) {
+				// Wrap to end? Or just stop.
+				// For now let's stop at start if not wrapping.
+				// If repeat all, wrap to end?
+				prevIdxInQueue = this.shuffledIndices[this.shuffledIndices.length - 1];
 			}
 		} else {
-			// Restart current song?
-			// Handled by UI usually (calling audio.currentTime = 0),
-			// but here we just seek to 0 if we could.
-			// Store doesn't control audio element directly.
+			if (currentIdx > 0) {
+				prevIdxInQueue = currentIdx - 1;
+			} else if (this.repeatMode === "all" && this.queue.length > 0) {
+				prevIdxInQueue = this.queue.length - 1;
+			}
+		}
+
+		if (prevIdxInQueue !== null) {
+			this.playId(this.queue[prevIdxInQueue]?.id);
+		} else {
+			// At start of queue.
+			// Just seek to 0? Store doesn't control audio.
+			// If we can't go back, we do nothing (UI likely handles the seek-to-0 comparison).
 		}
 	}