fix(auth): resolve circular dependency error between authProvider and dashboard providers

frontend/lib/ui/providers/auth_provider.dart

@@ -9,7 +9,6 @@ import 'student_provider.dart' hide academicYearsProvider;
 import 'navigation_provider.dart';
 import 'reports_provider.dart';
 import 'connected_users_provider.dart';
-import 'dashboard_provider.dart';
 import '../../core/services/foreground_sync_service.dart';
 import '../../core/services/fcm_service.dart';
 
@@ -40,9 +39,6 @@ class AuthNotifier extends AsyncNotifier<UserModel?> {
         password,
         rememberMe: rememberMe,
       );
-      ref.invalidate(dashboardDataProvider);
-      ref.invalidate(dashboardKpisProvider);
-      ref.invalidate(dashboardNeedsAttentionProvider);
       state = AsyncData(user);
       ref.read(heartbeatServiceProvider).start(user);
       ForegroundSyncService.start();
@@ -103,13 +99,10 @@ class AuthNotifier extends AsyncNotifier<UserModel?> {
     ref.invalidate(missingDocsFilterExpandedProvider);
     ref.invalidate(yearlyComparisonSelectedYearsProvider);
     ref.invalidate(yearlyComparisonSelectedStatusesProvider);
-
-    ref.invalidate(dashboardDataProvider);
-    ref.invalidate(dashboardKpisProvider);
-    ref.invalidate(dashboardNeedsAttentionProvider);
   }
 
 
+
   Future<void> refreshUser() async {
     try {
       final repository = ref.read(authRepositoryProvider);