fix: incorrect sorting in recently added list

lib/models/song.dart

@@ -25,6 +25,7 @@ class Song {
   final double? replayGainTrackPeak;
   final double? replayGainAlbumPeak;
   final List<ArtistRef>? artistParticipants;
+  final DateTime? created;
 
   Song({
     required this.id,
@@ -51,6 +52,7 @@ class Song {
     this.replayGainTrackPeak,
     this.replayGainAlbumPeak,
     this.artistParticipants,
+    this.created,
   });
 
   factory Song.fromJson(Map<String, dynamic> json) {
@@ -81,6 +83,9 @@ class Song {
       replayGainTrackPeak: (replayGain?['trackPeak'] as num?)?.toDouble(),
       replayGainAlbumPeak: (replayGain?['albumPeak'] as num?)?.toDouble(),
       artistParticipants: ArtistRef.parseList(json['artists']),
+      created: json['created'] != null
+          ? DateTime.tryParse(json['created'].toString())
+          : null,
     );
   }
 
@@ -111,6 +116,7 @@ class Song {
       },
       if (artistParticipants != null)
         'artists': artistParticipants!.map((a) => a.toJson()).toList(),
+      'created': created?.toIso8601String(),
     };
   }
 
@@ -146,6 +152,7 @@ class Song {
     double? replayGainTrackPeak,
     double? replayGainAlbumPeak,
     List<ArtistRef>? artistParticipants,
+    DateTime? created,
   }) {
     return Song(
       id: id ?? this.id,
@@ -172,6 +179,7 @@ class Song {
       replayGainTrackPeak: replayGainTrackPeak ?? this.replayGainTrackPeak,
       replayGainAlbumPeak: replayGainAlbumPeak ?? this.replayGainAlbumPeak,
       artistParticipants: artistParticipants ?? this.artistParticipants,
+      created: created ?? this.created,
     );
   }
 }

lib/providers/library_provider.dart

@@ -300,8 +300,34 @@ class LibraryProvider extends ChangeNotifier {
         offset += pageSize;
       }
 
+      final previousAlbums = _cachedAllAlbums;
+      final previousSongs = _cachedAllSongs;
+      final Map<String, Song> songById = {};
+      var failedAlbumLoads = 0;
+      for (final album in allAlbums) {
+        try {
+          final albumSongs = await _subsonicService.getAlbumSongs(album.id);
+          for (final song in albumSongs) {
+            songById[song.id] = song;
+          }
+        } catch (e) {
+          failedAlbumLoads++;
+          debugPrint('Error loading album ${album.id}: $e');
+        }
+      }
+
+      if (failedAlbumLoads > 0) {
+        _cachedAllAlbums = previousAlbums;
+        _cachedAllSongs = previousSongs;
+        debugPrint(
+          'Background refresh incomplete: $failedAlbumLoads album(s) failed; keeping previous cache.',
+        );
+        notifyListeners();
+        return;
+      }
+
       _cachedAllAlbums = allAlbums;
-      _cachedAllSongs = [];
+      _cachedAllSongs = songById.values.toList();
       _lastCacheUpdate = DateTime.now();
 
       await _saveCachedData();

lib/screens/all_songs_screen.dart

@@ -105,8 +105,14 @@ class _AllSongsScreenState extends State<AllSongsScreen> {
         );
         break;
       case SongSortOption.recentlyAdded:
-
-        _sortedSongs = List.from(_songs.reversed);
+        _sortedSongs.sort((a, b) {
+          final aCreated = a.created;
+          final bCreated = b.created;
+          if (aCreated == null && bCreated == null) return 0;
+          if (aCreated == null) return 1;
+          if (bCreated == null) return -1;
+          return bCreated.compareTo(aCreated);
+        });
         break;
     }
   }

test/models/song_test.dart

@@ -33,6 +33,22 @@ void main() {
       expect(song.album, isNull);
       expect(song.artist, isNull);
       expect(song.duration, isNull);
+      expect(song.created, isNull);
+    });
+
+    test('should parse created field from JSON', () {
+      final json = {
+        'id': '123',
+        'title': 'Test Song',
+        'created': '2026-03-18T13:37:27.257653751Z',
+      };
+
+      final song = Song.fromJson(json);
+
+      expect(song.created, isNotNull);
+      expect(song.created!.year, 2026);
+      expect(song.created!.month, 3);
+      expect(song.created!.day, 18);
     });
 
     test('should convert Song to JSON', () {