fix: переделал 2FA, теперь должен работать.

lib/backend/modules/account.dart

@@ -667,9 +667,10 @@ class AccountModule {
     required String trackId,
     required String password,
     String? hint,
+    bool withEmail = true,
   }) async {
     _ensureOnline();
-    final capabilities = <int>[0, if (hint != null) 3, 4];
+    final capabilities = <int>[0, if (hint != null) 3, if (withEmail) 4];
     final payload = <dynamic, dynamic>{
       'expectedCapabilities': capabilities,
       'trackId': trackId,
@@ -727,7 +728,7 @@ class AccountModule {
 
   Future<void> check2faPassword(String trackId, String password) async {
     _ensureOnline();
-    final packet = await _api.sendRequest(Opcode.authLoginCheckPassword, {
+    final packet = await _api.sendRequest(Opcode.authCheckPassword, {
       'trackId': trackId,
       'password': password,
     });
@@ -774,31 +775,15 @@ class AccountModule {
     );
   }
 
-  Future<ProfileData> update2faEmail({
-    required String trackId,
-    required String email,
-    required String code,
-  }) async {
+  Future<ProfileData> commit2faEmailChange(String trackId) async {
     _ensureOnline();
-    final verifyPacket = await _api.sendRequest(Opcode.authVerifyEmail, {
-      'trackId': trackId,
-      'email': email,
-    });
-    _checkPacketError(verifyPacket, 'update2faEmail: verify');
-
-    final codePacket = await _api.sendRequest(Opcode.authCheckEmail, {
-      'trackId': trackId,
-      'verifyCode': code,
-    });
-    _checkPacketError(codePacket, 'update2faEmail: code');
-
     final payload = <dynamic, dynamic>{
       'expectedCapabilities': [4],
       'trackId': trackId,
     };
     return _processProfileUpdate(
       _api.sendRequest(Opcode.authSet2fa, payload),
-      'update2faEmail',
+      'commit2faEmailChange',
     );
   }
 

lib/frontend/screens/auth/code_confirmation_screen.dart

@@ -405,8 +405,20 @@ class _CodeConfirmationScreenState extends State<CodeConfirmationScreen>
               ),
               const Spacer(),
               Row(
-                mainAxisAlignment: MainAxisAlignment.end,
+                crossAxisAlignment: CrossAxisAlignment.center,
                 children: [
+                  Expanded(
+                    child: Text(
+                      l10n.codeConfirmation2faWarning,
+                      style: TextStyle(
+                        color: cs.error.withValues(alpha: 0.5),
+                        fontSize: 13,
+                        fontWeight: FontWeight.w400,
+                        height: 1.35,
+                      ),
+                    ),
+                  ),
+                  const SizedBox(width: 16),
                   FloatingActionButton(
                     onPressed: () {
                       if (_codeController.text.length == 6) _verifyCode();

lib/l10n/app_en.arb

@@ -42,6 +42,7 @@
   },
   "codeResendSms": "Resend code via SMS",
   "codeError2faMissing": "Error: missing data for 2FA",
+  "codeConfirmation2faWarning": "MAX may require 2FA on your account to sign in. If you didn't receive the code, set up 2FA from a client where you're already signed in.",
 
   "proxySettingsTitle": "Proxy",
   "proxyTypeNone": "Disabled",

lib/l10n/app_localizations.dart

@@ -308,6 +308,12 @@ abstract class AppLocalizations {
   /// **'Error: missing data for 2FA'**
   String get codeError2faMissing;
 
+  /// No description provided for @codeConfirmation2faWarning.
+  ///
+  /// In en, this message translates to:
+  /// **'MAX may require 2FA on your account to sign in. If you didn\'t receive the code, set up 2FA from a client where you\'re already signed in.'**
+  String get codeConfirmation2faWarning;
+
   /// No description provided for @proxySettingsTitle.
   ///
   /// In en, this message translates to:

lib/l10n/app_localizations_en.dart

@@ -117,6 +117,10 @@ class AppLocalizationsEn extends AppLocalizations {
   @override
   String get codeError2faMissing => 'Error: missing data for 2FA';
 
+  @override
+  String get codeConfirmation2faWarning =>
+      'MAX may require 2FA on your account to sign in. If you didn\'t receive the code, set up 2FA from a client where you\'re already signed in.';
+
   @override
   String get proxySettingsTitle => 'Proxy';
 

lib/l10n/app_localizations_ru.dart

@@ -119,6 +119,10 @@ class AppLocalizationsRu extends AppLocalizations {
   @override
   String get codeError2faMissing => 'Ошибка: отсутствуют данные для 2FA';
 
+  @override
+  String get codeConfirmation2faWarning =>
+      'MAX может требовать 2FA на вашем аккаунте для входа. Если вы не получили код — установите 2FA с клиента, на котором вы авторизованы.';
+
   @override
   String get proxySettingsTitle => 'Прокси';
 

lib/l10n/app_ru.arb

@@ -42,6 +42,7 @@
   },
   "codeResendSms": "Отправить код по SMS",
   "codeError2faMissing": "Ошибка: отсутствуют данные для 2FA",
+  "codeConfirmation2faWarning": "MAX может требовать 2FA на вашем аккаунте для входа. Если вы не получили код — установите 2FA с клиента, на котором вы авторизованы.",
 
   "proxySettingsTitle": "Прокси",
   "proxyTypeNone": "Выключен",