♻️ Refactored post draft system

lib/models/post.dart

@@ -9,36 +9,36 @@ part 'post.g.dart';
 sealed class SnPost with _$SnPost {
   const factory SnPost({
     required String id,
-    required String? title,
-    required String? description,
-    required String? language,
-    required DateTime? editedAt,
-    required DateTime publishedAt,
-    required int visibility,
-    required String? content,
-    required int type,
-    required Map<String, dynamic>? meta,
-    required int viewsUnique,
-    required int viewsTotal,
-    required int upvotes,
-    required int downvotes,
-    required int repliesCount,
-    required String? threadedPostId,
-    required SnPost? threadedPost,
-    required String? repliedPostId,
-    required SnPost? repliedPost,
-    required String? forwardedPostId,
-    required SnPost? forwardedPost,
-    required List<SnCloudFile> attachments,
-    required SnPublisher publisher,
+    String? title,
+    String? description,
+    String? language,
+    DateTime? editedAt,
+    @Default(null) DateTime? publishedAt,
+    @Default(0) int visibility,
+    String? content,
+    @Default(0) int type,
+    Map<String, dynamic>? meta,
+    @Default(0) int viewsUnique,
+    @Default(0) int viewsTotal,
+    @Default(0) int upvotes,
+    @Default(0) int downvotes,
+    @Default(0) int repliesCount,
+    String? threadedPostId,
+    SnPost? threadedPost,
+    String? repliedPostId,
+    SnPost? repliedPost,
+    String? forwardedPostId,
+    SnPost? forwardedPost,
+    @Default([]) List<SnCloudFile> attachments,
+    @Default(SnPublisher()) SnPublisher publisher,
     @Default({}) Map<String, int> reactionsCount,
-    required List<dynamic> reactions,
-    required List<dynamic> tags,
-    required List<dynamic> categories,
-    required List<dynamic> collections,
-    required DateTime createdAt,
-    required DateTime updatedAt,
-    required DateTime? deletedAt,
+    @Default([]) List<dynamic> reactions,
+    @Default([]) List<dynamic> tags,
+    @Default([]) List<dynamic> categories,
+    @Default([]) List<dynamic> collections,
+    @Default(null) DateTime? createdAt,
+    @Default(null) DateTime? updatedAt,
+    DateTime? deletedAt,
     @Default(false) bool isTruncated,
   }) = _SnPost;
 
@@ -48,20 +48,20 @@ sealed class SnPost with _$SnPost {
 @freezed
 sealed class SnPublisher with _$SnPublisher {
   const factory SnPublisher({
-    required String id,
-    required int type,
-    required String name,
-    required String nick,
+    @Default('') String id,
+    @Default(0) int type,
+    @Default('') String name,
+    @Default('') String nick,
     @Default('') String bio,
-    required SnCloudFile? picture,
-    required SnCloudFile? background,
-    required SnAccount? account,
-    required String? accountId,
-    required DateTime createdAt,
-    required DateTime updatedAt,
-    required DateTime? deletedAt,
-    required String? realmId,
-    required SnVerificationMark? verification,
+    SnCloudFile? picture,
+    SnCloudFile? background,
+    SnAccount? account,
+    String? accountId,
+    @Default(null) DateTime? createdAt,
+    @Default(null) DateTime? updatedAt,
+    DateTime? deletedAt,
+    String? realmId,
+    SnVerificationMark? verification,
   }) = _SnPublisher;
 
   factory SnPublisher.fromJson(Map<String, dynamic> json) =>