test(session): cover avatar refresh and session teardown

Add regression tests for avatar reset and token-change refresh, stale 401 handling, idempotent session teardown and account-scoped preference cleanup. Update existing cubit tests for the new session dependency.

Refs: #1113

test/features/settings/presentation/pages/change_password_screen_test.dart

@@ -6,6 +6,7 @@ import 'package:eatvio_app/features/settings/presentation/bloc/settings_cubit/se
 import 'package:flutter/material.dart';
 import 'package:flutter_localizations/flutter_localizations.dart';
 import 'package:flutter_test/flutter_test.dart';
+import '../../../../fixtures/doubles/session_doubles.dart';
 import '../../../../fixtures/settings_fixtures.dart';
 import '../bloc/settings_cubit_test.mocks.dart';
 
@@ -27,6 +28,7 @@ void main() {
         settingsRepository: mockSettingsRepository,
         consultantRepository: mockConsultantRepository,
         consultationsRepository: mockConsultationsRepository,
+        sessionLifecycleService: FakeSessionLifecycleService(),
       );
     });
 

test/features/settings/presentation/pages/settings_screen_smoke_test.dart

@@ -18,6 +18,7 @@ import 'package:flutter_test/flutter_test.dart';
 import 'package:mockito/annotations.dart';
 import 'package:mockito/mockito.dart';
 
+import '../../../../fixtures/doubles/session_doubles.dart';
 import 'settings_screen_smoke_test.mocks.dart';
 
 @GenerateNiceMocks([
@@ -57,6 +58,7 @@ void main() {
           settingsRepository: sl(),
           consultantRepository: sl(),
           consultationsRepository: sl(),
+          sessionLifecycleService: FakeSessionLifecycleService(),
         ),
       );
     });