fix(ui): update track number styling and playlist track mapping

src/lib/components/DeezerCollectionView.svelte

@@ -280,7 +280,7 @@
 
   .track-number {
     text-align: center;
-    opacity: 0.6;
+    z-index: 0;
   }
 
   .duration {

src/lib/components/SpotifyCollectionView.svelte

@@ -225,7 +225,7 @@
 
   .track-number {
     text-align: center;
-    opacity: 0.6;
+    z-index: 0;
   }
 
   .duration {

src/lib/library/deezer-database.ts

@@ -115,7 +115,7 @@ export async function getCachedArtists(): Promise<DeezerArtist[]> {
 export async function getCachedTracks(): Promise<DeezerTrack[]> {
   const database = await initDeezerDatabase();
   const tracks = await database.select<DeezerTrack[]>(
-    'SELECT * FROM deezer_tracks ORDER BY title COLLATE NOCASE'
+    'SELECT * FROM deezer_tracks ORDER BY ROWID DESC'
   );
   return tracks || [];
 }

src/lib/library/spotify-database.ts

@@ -114,7 +114,7 @@ export async function getCachedArtists(): Promise<SpotifyArtist[]> {
 export async function getCachedTracks(): Promise<SpotifyTrack[]> {
   const database = await initSpotifyDatabase();
   const tracks = await database.select<SpotifyTrack[]>(
-    'SELECT * FROM spotify_tracks ORDER BY name COLLATE NOCASE'
+    'SELECT * FROM spotify_tracks ORDER BY ROWID ASC'
   );
   return tracks || [];
 }

src/routes/services/deezer/playlists/[id]/+page.svelte

@@ -239,7 +239,6 @@
         title: dbTrack.title,
         artist: dbTrack.artist_name,
         album: dbTrack.album_title || undefined,
-        trackNumber: dbTrack.track_number || undefined,
         duration: dbTrack.duration
       }
     };

src/routes/services/spotify/playlists/[id]/+page.svelte

@@ -26,13 +26,13 @@
   // Convert Spotify tracks to Track type for CollectionView
   let tracks = $derived<Track[]>(
     playlistTracks.map((track, i) => ({
-      path: '', // Not applicable for Spotify
-      filename: '', // Not applicable for Spotify
-      format: 'unknown' as AudioFormat, // Not applicable for Spotify
+      path: '',
+      filename: '',
+      format: 'unknown' as AudioFormat,
       metadata: {
-        title: track.name,
-        artist: track.artist_name,
-        album: track.album_name,
+        title: track.name || 'Unknown Title',
+        artist: track.artist_name || 'Unknown Artist',
+        album: track.album_name || 'Unknown Album',
         trackNumber: track.track_number ?? i + 1,
         duration: Math.floor(track.duration_ms / 1000)
       }