feat: release v2.0.7 with independent multi-tag search, local 'and' connector, Pawchive in feed, and reverted artist media filters/links

test/backend/tag_groups_search_test.dart

@@ -0,0 +1,56 @@
+import 'package:flutter_test/flutter_test.dart';
+import 'package:gel_rule_app/backend/providers/provider_manager.dart';
+
+void main() {
+  group('Tag groups splitting with local and connector', () {
+    test('single tag returns one group', () {
+      final groups = ProviderManager.splitTagGroups(['cat']);
+      expect(groups, equals([['cat']]));
+    });
+
+    test('multiple tags without and are split into separate independent groups', () {
+      final groups = ProviderManager.splitTagGroups(['cat', 'dog', 'bird']);
+      expect(groups, equals([
+        ['cat'],
+        ['dog'],
+        ['bird'],
+      ]));
+    });
+
+    test('tags connected by and are merged into the same group', () {
+      final groups = ProviderManager.splitTagGroups(['cat', 'and', 'dog']);
+      expect(groups, equals([
+        ['cat', 'dog'],
+      ]));
+    });
+
+    test('mixed independent tags and and-connected tags', () {
+      final groups = ProviderManager.splitTagGroups([
+        'genshin',
+        'and',
+        'raiden',
+        'miku',
+        'vocaloid',
+        'and',
+        'hatsune',
+      ]);
+      expect(groups, equals([
+        ['genshin', 'raiden'],
+        ['miku'],
+        ['vocaloid', 'hatsune'],
+      ]));
+    });
+
+    test('case-insensitive AND handling', () {
+      final groups = ProviderManager.splitTagGroups(['2girls', 'AND', 'yuri']);
+      expect(groups, equals([
+        ['2girls', 'yuri'],
+      ]));
+    });
+
+    test('empty tags return empty group list', () {
+      final groups = ProviderManager.splitTagGroups([]);
+      expect(groups, equals([const <String>[]]));
+    });
+  });
+}