Many improvemtns and fixes related to decoupling of svelte and rust on android.

src/lib/components/player/AudioPlayer.svelte

@@ -97,9 +97,9 @@
     await invoke("player_cycle_repeat");
   }
 
-  // Use track's own ID for artwork (primaryImageTag corresponds to track ID)
-  // Album art is inherited from album, so all tracks show the same album cover
-  const artworkItemId = $derived(displayMedia?.id);
+  // Prefer album ID for artwork (all tracks in an album share the same cover)
+  // Falls back to track ID if no album ID available
+  const artworkItemId = $derived(displayMedia?.albumId || displayMedia?.id);
 
   // Show optimistic position while seeking or waiting for backend confirmation
   const displayPosition = $derived(seeking || seekPending ? seekValue : rawPosition);
@@ -137,12 +137,12 @@
 {#if displayMedia}
   <div class="fixed inset-0 z-50 flex flex-col overflow-y-auto">
     <!-- Background image (blurred) -->
-    {#if artworkItemId && displayMedia?.primaryImageTag}
+    {#if artworkItemId}
       <div class="fixed inset-0 z-0">
         <CachedImage
           itemId={artworkItemId}
           imageType="Primary"
-          tag={displayMedia.primaryImageTag}
+          tag={displayMedia?.primaryImageTag}
           maxWidth={800}
           alt=""
           class="w-full h-full object-cover blur-3xl opacity-30"
@@ -217,11 +217,11 @@
     <!-- Artwork -->
     <div class="flex-1 flex items-center justify-center p-8 min-h-0">
       <div class="w-full max-w-md aspect-square rounded-lg overflow-hidden shadow-2xl flex-shrink-0">
-        {#if artworkItemId && displayMedia?.primaryImageTag}
+        {#if artworkItemId}
           <CachedImage
             itemId={artworkItemId}
             imageType="Primary"
-            tag={displayMedia.primaryImageTag}
+            tag={displayMedia?.primaryImageTag}
             maxWidth={500}
             alt={displayMedia?.name}
             class="w-full h-full object-cover"