store cloudId in sqlite

mobile/lib/infrastructure/entities/local_asset.entity.dart

@@ -16,6 +16,8 @@ class LocalAssetEntity extends Table with DriftDefaultsMixin, AssetEntityMixin {
 
   IntColumn get orientation => integer().withDefault(const Constant(0))();
 
+  TextColumn get cloudId => text().nullable()();
+
   @override
   Set<Column> get primaryKey => {id};
 }

mobile/lib/infrastructure/repositories/db.repository.dart

@@ -97,6 +97,8 @@ class Drift extends $Drift implements IDatabaseRepository {
             await m.create(v4.assetFaceEntity);
           },
           from4To5: (m, v5) async {
+            // Add cloudId column to local_asset_entity
+            await m.addColumn(v5.localAssetEntity, v5.localAssetEntity.cloudId);
             await m.alterTable(
               TableMigration(
                 v5.userEntity,

mobile/lib/infrastructure/repositories/local_album.repository.dart

@@ -231,6 +231,25 @@ class DriftLocalAlbumRepository extends DriftDatabaseRepository {
     return query.map((row) => row.readTable(_db.localAssetEntity).toDto()).get();
   }
 
+  Future<void> updateCloudMapping(Map<String, String?> cloudMapping) {
+    if (cloudMapping.isEmpty) {
+      return Future.value();
+    }
+
+    return _db.batch((batch) {
+      for (final entry in cloudMapping.entries) {
+        final assetId = entry.key;
+        final cloudId = entry.value;
+
+        batch.update(
+          _db.localAssetEntity,
+          LocalAssetEntityCompanion(cloudId: Value(cloudId)),
+          where: (f) => f.id.equals(assetId),
+        );
+      }
+    });
+  }
+
   Future<void> _upsertAssets(Iterable<LocalAsset> localAssets) {
     if (localAssets.isEmpty) {
       return Future.value();