feat(apps): 重构 UI 架构为 presentation 层并新增 l10n 国际化支持

apps/lib/features/auth/presentation/cubits/login_cubit.dart

@@ -3,10 +3,11 @@ import 'dart:async';
 import 'package:flutter_bloc/flutter_bloc.dart';
 import 'package:formz/formz.dart';
 import 'package:equatable/equatable.dart';
-import '../../../../core/api/api_exception.dart';
+import '../../../../core/network/api_exception.dart';
+import '../../../../core/l10n/l10n.dart';
 import '../../data/auth_repository.dart';
 import '../../data/models/auth_response.dart';
-import '../../../../core/form_inputs/form_inputs.dart';
+import '../../../../shared/forms/inputs.dart';
 
 class LoginState extends Equatable {
   static const defaultDialCode = '+86';
@@ -121,7 +122,7 @@ class LoginCubit extends Cubit<LoginState> {
 
   Future<bool> sendCode() async {
     if (!state.phone.isValid) {
-      emit(state.copyWith(errorMessage: '请输入有效手机号'));
+      emit(state.copyWith(errorMessage: L10n.current.authInvalidPhone));
       return false;
     }
     if (!state.canSendCode) {
@@ -152,7 +153,9 @@ class LoginCubit extends Cubit<LoginState> {
       if (isClosed) {
         return false;
       }
-      final message = e is ApiException ? e.message : '验证码发送失败';
+      final message = e is ApiException
+          ? e.message
+          : L10n.current.authSendCodeFailed;
       emit(state.copyWith(isSendingCode: false, errorMessage: message));
       return false;
     }