feat(qol): add smart tag actions, universal zoom, scroll-to-top, desktop hotkeys, and Pawchive provider

test/backend/isar_integration_test.dart

@@ -92,7 +92,13 @@ void main() {
       'paheal',
       'kemono',
       'coomer',
+      'pawchive',
     ]);
+    final pawchive =
+        providers.singleWhere((provider) => provider.id == 'pawchive');
+    expect(pawchive.enabled, isTrue);
+    expect(pawchive.apiType, 'pawchive');
+    expect(pawchive.baseUrl, 'https://pawchive.pw');
     final realbooru =
         providers.singleWhere((provider) => provider.id == 'realbooru');
     expect(realbooru.enabled, isTrue);

test/backend/pawchive_provider_test.dart

@@ -0,0 +1,50 @@
+import 'package:flutter_test/flutter_test.dart';
+import 'package:gel_rule_app/backend/models/artist_work_query.dart';
+import 'package:gel_rule_app/backend/models/content_provider_config.dart';
+import 'package:gel_rule_app/backend/providers/pawchive_provider.dart';
+import 'package:gel_rule_app/backend/providers/provider_factory.dart';
+import 'package:gel_rule_app/core/http/dio_client.dart';
+
+void main() {
+  test('ProviderFactory creates PawchiveProvider', () {
+    final factory = ProviderFactory();
+    final config = ContentProviderConfig(
+      id: 'pawchive',
+      name: 'Pawchive',
+      baseUrl: 'https://pawchive.pw',
+      apiType: 'pawchive',
+      enabled: true,
+      priority: 12,
+      timeoutSeconds: 20,
+      customHeaders: const {},
+      createdAt: DateTime(2026),
+      updatedAt: DateTime(2026),
+    );
+
+    final provider = factory.create(config);
+    expect(provider, isA<PawchiveProvider>());
+    expect(provider.id, 'pawchive');
+    expect(provider.name, 'Pawchive');
+    expect(provider.baseUrl, 'https://pawchive.pw');
+  });
+
+  test('PawchiveProvider creates posts with thumbnail and file URLs', () async {
+    final client = DioClient(baseUrl: 'https://pawchive.pw');
+    final provider = PawchiveProvider(
+      id: 'pawchive',
+      name: 'Pawchive',
+      baseUrl: 'https://pawchive.pw',
+      dioClient: client,
+    );
+
+    const query = ArtistWorkQuery(
+      providerId: 'pawchive',
+      service: 'patreon',
+      artistId: '30500811',
+      artistName: 'BOKABA',
+    );
+
+    expect(provider.id, query.providerId);
+    expect(query.artistName, 'BOKABA');
+  });
+}