🧱 New categories, tags subscription type

lib/models/post_category.dart

@@ -1,6 +1,7 @@
 import 'package:easy_localization/easy_localization.dart';
 import 'package:freezed_annotation/freezed_annotation.dart';
 import 'package:island/models/post.dart';
+import 'package:island/models/post_tag.dart';
 import 'package:island/utils/text.dart';
 
 part 'post_category.freezed.dart';
@@ -29,3 +30,21 @@ sealed class SnPostCategory with _$SnPostCategory {
     return name ?? slug;
   }
 }
+
+@freezed
+sealed class SnCategorySubscription with _$SnCategorySubscription {
+  const factory SnCategorySubscription({
+    required String id,
+    required String accountId,
+    required String? categoryId,
+    required SnPostCategory? category,
+    required String? tagId,
+    required SnPostTag? tag,
+    required DateTime createdAt,
+    required DateTime updatedAt,
+    required DateTime? deletedAt,
+  }) = _SnCategorySubscription;
+
+  factory SnCategorySubscription.fromJson(Map<String, dynamic> json) =>
+      _$SnCategorySubscriptionFromJson(json);
+}