Got rid of bools in 2fa provider

frontend/pweb/lib/models/flow_status.dart

@@ -0,0 +1 @@
+enum FlowStatus { idle, submitting, resending, success, error }

frontend/pweb/lib/providers/two_factor.dart

@@ -8,6 +8,8 @@ import 'package:pshared/models/auth/pending_login.dart';
 import 'package:pshared/provider/account.dart';
 import 'package:pshared/service/verification.dart';
 
+import 'package:pweb/models/flow_status.dart';
+
 
 class TwoFactorProvider extends ChangeNotifier {
   static final _logger = Logger('provider.two_factor');
@@ -15,19 +17,17 @@ class TwoFactorProvider extends ChangeNotifier {
 
   TwoFactorProvider();
 
-  bool _isSubmitting = false;
-  bool _isResending = false;
-  bool _hasError = false;
-  bool _verificationSuccess = false;
+  FlowStatus _status = FlowStatus.idle;
   String? _errorMessage;
   String? _currentPendingToken;
   Timer? _cooldownTimer;
   int _cooldownRemainingSeconds = 0;
 
-  bool get isSubmitting => _isSubmitting;
-  bool get isResending => _isResending;
-  bool get hasError => _hasError;
-  bool get verificationSuccess => _verificationSuccess;
+  FlowStatus get status => _status;
+  bool get isSubmitting => _status == FlowStatus.submitting;
+  bool get isResending => _status == FlowStatus.resending;
+  bool get hasError => _status == FlowStatus.error;
+  bool get verificationSuccess => _status == FlowStatus.success;
   String? get errorMessage => _errorMessage;
   int get cooldownRemainingSeconds => _cooldownRemainingSeconds;
   bool get isCooldownActive => _cooldownRemainingSeconds > 0;
@@ -45,11 +45,8 @@ class TwoFactorProvider extends ChangeNotifier {
   }
 
   Future<void> submitCode(String code) async {
-    _isSubmitting = true;
-    _hasError = false;
     _errorMessage = null;
-    _verificationSuccess = false;
-    notifyListeners(); 
+    _setStatus(FlowStatus.submitting);
 
     try {
       final pending = _accountProvider.pendingLogin;
@@ -61,15 +58,12 @@ class TwoFactorProvider extends ChangeNotifier {
         code: code,
       );
       _accountProvider.completePendingLogin(account);
-      _verificationSuccess = true;
       _currentPendingToken = null;
+      _setStatus(FlowStatus.success);
     } catch (e) {
-      _hasError = true;
       _errorMessage = e.toString();
       _logger.warning('Failed to verify code: ${e.toString()}', e);
-    } finally {
-      _isSubmitting = false;
-      notifyListeners();
+      _setStatus(FlowStatus.error);
     }
   }
 
@@ -79,24 +73,20 @@ class TwoFactorProvider extends ChangeNotifier {
       _logger.warning('No pending login to resend code for');
       return;
     }
-    if (_isResending || isCooldownActive) return;
+    if (isResending || isCooldownActive) return;
 
-    _isResending = true;
-    _hasError = false;
     _errorMessage = null;
-    notifyListeners();
+    _setStatus(FlowStatus.resending);
 
     try {
       final confirmation = await VerificationService.resendLoginCode(pending);
       _accountProvider.updatePendingLogin(confirmation);
       _startCooldown(confirmation.cooldownSeconds);
+      _setStatus(FlowStatus.idle);
     } catch (e) {
       _logger.warning('Failed to resend login code', e);
-      _hasError = true;
       _errorMessage = e.toString();
-    } finally {
-      _isResending = false;
-      notifyListeners();
+      _setStatus(FlowStatus.error);
     }
   }
 
@@ -106,11 +96,8 @@ class TwoFactorProvider extends ChangeNotifier {
   }
 
   void _resetState() {
-    _isSubmitting = false;
-    _isResending = false;
-    _hasError = false;
+    _status = FlowStatus.idle;
     _errorMessage = null;
-    _verificationSuccess = false;
     _stopCooldown();
     notifyListeners();
   }
@@ -169,6 +156,11 @@ class TwoFactorProvider extends ChangeNotifier {
     }
   }
 
+  void _setStatus(FlowStatus status) {
+    _status = status;
+    notifyListeners();
+  }
+
   @override
   void dispose() {
     _stopCooldown();