add auth

lib/features/news/domain/repositories/news_repository.dart

@@ -4,12 +4,16 @@
 /// This is an abstract interface following the Repository Pattern.
 library;
 
+import 'package:worker/features/news/domain/entities/blog_category.dart';
 import 'package:worker/features/news/domain/entities/news_article.dart';
 
 /// News Repository Interface
 ///
-/// Provides methods to fetch and manage news articles.
+/// Provides methods to fetch and manage news articles and categories.
 abstract class NewsRepository {
+  /// Get all blog categories from Frappe API
+  Future<List<BlogCategory>> getBlogCategories();
+
   /// Get all news articles
   Future<List<NewsArticle>> getAllArticles();