Move domain data helpers into lib/data

web-player/src/lib/data/albums.ts

@@ -0,0 +1,8 @@
+import { toQueueItems, type ApiTrackLike, type QueueItem } from '$lib/player/player.svelte';
+
+export async function fetchAlbumQueueItems(albumId: string): Promise<QueueItem[]> {
+	const res = await fetch(`/api/albums/${albumId}/tracks`);
+	if (!res.ok) return [];
+	const data = (await res.json()) as { items: ApiTrackLike[] };
+	return toQueueItems(data.items ?? []);
+}