fix(reenrich): preserve release identity in batch actions

go_backend/exports_reenrich.go

@@ -43,9 +43,9 @@ type reEnrichRequest struct {
 	DurationMs    int64    `json:"duration_ms"`
 	SearchOnline  bool     `json:"search_online"`
 	UpdateFields  []string `json:"update_fields,omitempty"`
-	// ReplaceReleaseMetadata lets an explicit user re-enrich action repair a
-	// stale album identity (for example, a playlist name stored as ALBUM).
-	// Older callers keep the conservative mismatch-preservation behavior.
+	// ReplaceReleaseMetadata lets a deliberate single-file re-enrich action
+	// repair a stale album identity (for example, a playlist name stored as
+	// ALBUM). Batch and older callers keep the conservative mismatch guard.
 	ReplaceReleaseMetadata bool `json:"replace_release_metadata,omitempty"`
 }
 

lib/screens/local_album_screen.dart

@@ -14,6 +14,7 @@ import 'package:spotiflac_android/utils/file_access.dart';
 import 'package:spotiflac_android/utils/image_cache_utils.dart';
 import 'package:spotiflac_android/utils/lyrics_metadata_helper.dart';
 import 'package:spotiflac_android/utils/nav_bar_inset.dart';
+import 'package:spotiflac_android/utils/re_enrich_release_policy.dart';
 import 'package:spotiflac_android/services/library_database.dart';
 import 'package:spotiflac_android/services/batch_track_actions.dart';
 import 'package:spotiflac_android/models/unified_library_item.dart';
@@ -454,7 +455,9 @@ class _LocalAlbumScreenState extends ConsumerState<LocalAlbumScreen>
       'copyright': '',
       'duration_ms': durationMs,
       'search_online': true,
-      'replace_release_metadata': true,
+      'replace_release_metadata': allowsReleaseIdentityReplacement(
+        ReEnrichOperationScope.batch,
+      ),
       // ignore: use_null_aware_elements
       if (updateFields != null) 'update_fields': updateFields,
     };

lib/screens/queue_tab.dart

@@ -10,6 +10,7 @@ import 'package:spotiflac_android/l10n/l10n.dart';
 import 'package:spotiflac_android/utils/adaptive_layout.dart';
 import 'package:spotiflac_android/utils/app_bar_layout.dart';
 import 'package:spotiflac_android/utils/nav_bar_inset.dart';
+import 'package:spotiflac_android/utils/re_enrich_release_policy.dart';
 import 'package:spotiflac_android/widgets/settings_group.dart';
 import 'package:spotiflac_android/utils/ffmpeg_reenrich.dart';
 import 'package:spotiflac_android/utils/file_access.dart';

lib/screens/queue_tab_batch_actions.dart

@@ -30,7 +30,9 @@ extension _QueueTabBatchActions on _QueueTabState {
       'copyright': '',
       'duration_ms': durationMs,
       'search_online': true,
-      'replace_release_metadata': true,
+      'replace_release_metadata': allowsReleaseIdentityReplacement(
+        ReEnrichOperationScope.batch,
+      ),
       // ignore: use_null_aware_elements
       if (updateFields != null) 'update_fields': updateFields,
     };

lib/screens/track_metadata_lyrics.dart

@@ -970,7 +970,9 @@ extension _TrackMetadataLyricsAndSaving on _TrackMetadataScreenState {
         'composer': composer ?? '',
         'duration_ms': durationMs,
         'search_online': true,
-        'replace_release_metadata': true,
+        'replace_release_metadata': allowsReleaseIdentityReplacement(
+          ReEnrichOperationScope.singleFile,
+        ),
       };
 
       final result = await PlatformBridge.reEnrichFile(request);

lib/screens/track_metadata_screen.dart

@@ -30,6 +30,7 @@ import 'package:spotiflac_android/utils/image_cache_utils.dart';
 import 'package:spotiflac_android/utils/string_utils.dart';
 import 'package:spotiflac_android/utils/int_utils.dart';
 import 'package:spotiflac_android/utils/nav_bar_inset.dart';
+import 'package:spotiflac_android/utils/re_enrich_release_policy.dart';
 import 'package:spotiflac_android/widgets/album_detail_header.dart'
     show HeaderMetaRow, HeaderMetaItem;
 import 'package:spotiflac_android/widgets/audio_analysis_widget.dart';

lib/utils/re_enrich_release_policy.dart

@@ -0,0 +1,8 @@
+enum ReEnrichOperationScope { singleFile, batch }
+
+/// A single-file action may deliberately repair a stale release identity,
+/// such as a playlist name stored in the album tag. Batch matching keeps the
+/// conservative album-mismatch guard because one false match has a much larger
+/// blast radius.
+bool allowsReleaseIdentityReplacement(ReEnrichOperationScope scope) =>
+    scope == ReEnrichOperationScope.singleFile;

test/re_enrich_release_policy_test.dart

@@ -0,0 +1,18 @@
+import 'package:flutter_test/flutter_test.dart';
+import 'package:spotiflac_android/utils/re_enrich_release_policy.dart';
+
+void main() {
+  test(
+    'only deliberate single-file re-enrich can replace release identity',
+    () {
+      expect(
+        allowsReleaseIdentityReplacement(ReEnrichOperationScope.singleFile),
+        isTrue,
+      );
+      expect(
+        allowsReleaseIdentityReplacement(ReEnrichOperationScope.batch),
+        isFalse,
+      );
+    },
+  );
+}