Add liked tenders functionality to HomeRepository and ViewModel

- Integrated LikedTendersService into HomeRepository to fetch the count of user-liked tenders.
- Updated HomeViewModel to load and manage the userLikedTendersCount.
- Adjusted UI components across home pages to display the liked tenders count.
- Refactored date handling in date_utils.dart to improve timestamp parsing and validation.
- Enhanced unit tests for date utilities to cover new edge cases.

lib/data/repositories/home_repository.dart

@@ -1,21 +1,25 @@
 import 'package:tm_app/core/utils/result.dart';
 import 'package:tm_app/data/services/home_service.dart';
+import 'package:tm_app/data/services/liked_tenders_service.dart';
 import 'package:tm_app/data/services/model/recommended_tenders_response/recommended_tenders_response.dart';
 import 'package:tm_app/data/services/model/tender_approvals_response/tender_approvals_response.dart';
 import 'package:tm_app/data/services/model/tender_approvals_stats_response/tender_approvals_stats_response.dart';
 
-import '../services/model/feedback_stats_response/feedback_stat_response.dart';
 import '../services/model/request_models/get_tenders_request_model/get_tenders_request_model.dart';
+import '../services/model/request_models/tender_feedback_request_model/tender_feedback_request_model.dart';
 import '../services/your_tenders_service.dart';
 
 class HomeRepository {
   HomeRepository({
     required HomeService homeService,
     required YourTendersService yourTendersService,
+    required LikedTendersService likedTendersService,
   }) : _homeService = homeService,
-       _yourTendersService = yourTendersService;
+       _yourTendersService = yourTendersService,
+       _likedTendersService = likedTendersService;
   final HomeService _homeService;
   final YourTendersService _yourTendersService;
+  final LikedTendersService _likedTendersService;
 
   Future<Result<RecommendedTendersResponse>> getHomeRecommendedTenders({
     required int limit,
@@ -34,11 +38,25 @@ class HomeRepository {
     return _homeService.getTendersApprovalsStats();
   }
 
-  Future<Result<FeedbackStatResponse>> getFeedbackStats() {
-    return _homeService.getFeedbackStats();
-  }
-  Future<Result<Map<String, dynamic>>> checkUnreadNotifications() async {
-  return _homeService.checkUnreadNotifications();
-}
+  /// Returns how many tenders the current user has liked (not company-wide).
+  Future<Result<int>> getUserLikedTendersCount() async {
+    final result = await _likedTendersService.getLikedTenders(
+      requestModel: TenderFeedbackRequestModel(
+        feedbackType: 'like',
+        limit: 1,
+        offset: 0,
+      ),
+    );
 
+    switch (result) {
+      case Ok(value: final response):
+        return Result.ok(response.data?.meta?.total ?? 0);
+      case Error(error: final error):
+        return Result.error(error);
+    }
+  }
+
+  Future<Result<Map<String, dynamic>>> checkUnreadNotifications() async {
+    return _homeService.checkUnreadNotifications();
+  }
 }