perf(library): batch album deletion and refresh once

lib/services/library_cleanup.dart

@@ -3,6 +3,32 @@ import 'package:sqflite/sqflite.dart';
 import 'package:spotiflac_android/utils/file_access.dart';
 import 'package:spotiflac_android/utils/logger.dart';
 
+/// Deletes a selection atomically without exceeding SQLite's parameter budget.
+Future<void> deleteLibraryItemsByIds(Database db, Iterable<String> ids) async {
+  final uniqueIds = ids.toSet().toList();
+  if (uniqueIds.isEmpty) return;
+  await db.transaction((txn) async {
+    const chunkSize = 500;
+    for (var start = 0; start < uniqueIds.length; start += chunkSize) {
+      final chunk = uniqueIds.sublist(
+        start,
+        (start + chunkSize).clamp(0, uniqueIds.length),
+      );
+      final placeholders = List.filled(chunk.length, '?').join(',');
+      await txn.delete(
+        'library_path_keys',
+        where: 'item_id IN ($placeholders)',
+        whereArgs: chunk,
+      );
+      await txn.delete(
+        'library',
+        where: 'id IN ($placeholders)',
+        whereArgs: chunk,
+      );
+    }
+  });
+}
+
 Future<int> pruneUnreferencedLibraryCovers(
   Directory directory,
   Set<String> referencedPaths,

lib/services/library_database.dart

@@ -1986,15 +1986,12 @@ class LibraryDatabase {
   }
 
   Future<void> delete(String id) async {
-    final db = await database;
-    await db.transaction((txn) async {
-      await txn.delete(
-        'library_path_keys',
-        where: 'item_id = ?',
-        whereArgs: [id],
-      );
-      await txn.delete('library', where: 'id = ?', whereArgs: [id]);
-    });
+    await deleteByIds([id]);
+  }
+
+  Future<void> deleteByIds(Iterable<String> ids) async {
+    if (ids.isEmpty) return;
+    await deleteLibraryItemsByIds(await database, ids);
   }
 
   Future<int> cleanupMissingFiles({