feat(translation): 添加翻译中间层作为统一功能入口

实现翻译功能中间层页面，提供四种翻译模式的统一入口
添加翻译中间层控制器、视图和绑定
更新路由配置和国际化文本
修改原有翻译功能跳转逻辑使用中间层入口

lib/core/translations/language/en_us.dart

@@ -976,6 +976,16 @@ const Map<String, String> enUS = {
   "萨摩亚": "Samoa",
 
   // 翻译模块
+  // 翻译中间层 (translation_middleware_view.dart)
+  "translationCenter": "Translation Center", // 翻译中心
+  "translationCenterDescription": "Select the translation feature you need", // 选择您需要的翻译功能
+  "realtimeTranslation": "Realtime Translation", // 实时翻译
+  "realtimeTranslationDescription": "Real-time voice translation, supports multiple languages", // 实时语音翻译，支持多种语言
+  "translationHistoryTitle": "Translation History", // 翻译历史
+  "translationHistoryDescription": "View historical translation records", // 查看历史翻译记录
+  "translationStatsTitle": "Translation Statistics", // 翻译统计
+  "translationStatsDescription": "View translation usage statistics", // 查看翻译使用统计信息
+
   // 翻译主页
   "translationHistory": "Translation History",
   "enableRecording": "Enable Recording",

lib/core/translations/language/zh_cn.dart

@@ -896,6 +896,16 @@ const Map<String, String> zhCN = {
   "萨摩亚": "萨摩亚",
 
   // 翻译模块
+  // 翻译中间层 (translation_middleware_view.dart)
+  "translationCenter": "翻译中心", // 翻译中心
+  "translationCenterDescription": "选择您需要的翻译功能", // 选择您需要的翻译功能
+  "realtimeTranslation": "实时翻译", // 实时翻译
+  "realtimeTranslationDescription": "实时语音翻译，支持多种语言", // 实时语音翻译，支持多种语言
+  "translationHistoryTitle": "翻译历史", // 翻译历史
+  "translationHistoryDescription": "查看历史翻译记录", // 查看历史翻译记录
+  "translationStatsTitle": "翻译统计", // 翻译统计
+  "translationStatsDescription": "查看翻译使用统计信息", // 查看翻译使用统计信息
+
   // 翻译主页 (translation_view.dart)
   "translationHistory": "翻译历史",
   "enableRecording": "是否开启录音",

lib/modules/explore/controllers/explore_controller.dart

@@ -73,7 +73,7 @@ class ExploreController extends GetxController {
       iconBgColor: const Color(0xFF4CAF50).withOpacity(0.2),
       iconColor: const Color(0xFF4CAF50),
       agentId: 'simultaneous_interpreter',
-      targetRoute: Routes.translation,
+      targetRoute: Routes.translationMiddleware,
     ),
     // AIFeature(
     //   title: 'conferenceAssistant'.tr, // 商务会议助手
@@ -197,7 +197,7 @@ class ExploreController extends GetxController {
         'systemPrompt': agent.systemPrompt,
         'welcomeMessage': agent.welcomeMessage,
       });
-    } else if (feature.targetRoute == Routes.translation) {
+    } else if (feature.targetRoute == Routes.translationMiddleware) {
       // 跳转到翻译页面
       Get.toNamed(feature.targetRoute);
     } else if (feature.targetRoute == Routes.agent) {

lib/modules/home/controllers/home_controller.dart

@@ -185,7 +185,7 @@ class HomeController extends GetxController {
   }
 
   void openTranslation() {
-    Get.toNamed(Routes.translation);
+    Get.toNamed(Routes.translationMiddleware);
   }
 
   void exploreAIFeatures() {

lib/modules/translation/controllers/translation_controller.dart

@@ -372,6 +372,10 @@ class TranslationController extends GetxController with WidgetsBindingObserver {
     _timerManager = RecordTimerController();
     _historyManager = TranslationHistoryManager();
 
+    // 初始化翻译模式,根据跳转参数
+    final mode = Get.arguments?['translationId'] ?? 'simultaneous';
+    changeTranslationMode(mode);
+
     // 初始化悬浮窗管理器
     _initFloatingWindowManager();
 

lib/modules/translation/middleware/bindings/translation_middleware_binding.dart

@@ -0,0 +1,11 @@
+import 'package:get/get.dart';
+import '../controllers/translation_middleware_controller.dart';
+
+/// 翻译中间层页面依赖绑定
+class TranslationMiddlewareBinding extends Bindings {
+  @override
+  void dependencies() {
+    // 注册翻译中间层控制器
+    Get.lazyPut<TranslationMiddlewareController>(() => TranslationMiddlewareController());
+  }
+}

lib/modules/translation/middleware/controllers/translation_middleware_controller.dart

@@ -0,0 +1,78 @@
+import 'package:get/get.dart';
+import 'package:flutter/material.dart';
+import '../../../../routes/app_routes.dart';
+
+/// 翻译中间层控制器
+/// 负责管理翻译功能入口的导航和状态
+class TranslationMiddlewareController extends GetxController {
+  /// 翻译功能选项列表
+  final List<TranslationOption> translationOptions = [
+    TranslationOption(
+      translationId: 'simultaneous',
+      title: 'simultaneousTranslation', // 实时翻译
+      description: 'realtimeTranslationDescription', // 实时语音翻译，支持多种语言
+      icon: Icons.record_voice_over,
+      iconColor: 0xFF2196F3, // 蓝色
+      targetRoute: Routes.translation,
+    ),
+    TranslationOption(
+      translationId: 'call',
+      title: 'callTranslation', // 电话翻译
+      description: 'simultaneousTranslationInfo', // 双向对话翻译，面对面交流
+      icon: Icons.call,
+      iconColor: 0xFF4CAF50, // 绿色
+      targetRoute: Routes.translation,
+    ),
+    TranslationOption(
+      translationId: 'faceToFace',
+      title: 'faceToFaceTranslation', // 面对面翻译
+      description: 'faceToFaceTranslationDescription', // 面对面交流，支持多种语言
+      icon: Icons.people,
+      iconColor: 0xFFFF9800, // 橙色
+      targetRoute: Routes.translation,
+    ),
+    TranslationOption(
+      translationId: 'audioVideo',
+      title: 'audioVideoTranslation', // 音频视频翻译
+      description: 'audioVideoTranslationDescription', // 支持音频和视频翻译
+      icon: Icons.videocam,
+      iconColor: 0xFF9C27B0, // 紫色
+      targetRoute: Routes.translation,
+    ),
+  ];
+
+  /// 导航到指定的翻译功能
+  void navigateToTranslationFeature(TranslationOption option) {
+    Get.toNamed(option.targetRoute,
+        arguments: {'translationId': option.translationId});
+  }
+
+  /// 获取翻译选项的本地化标题
+  String getLocalizedTitle(TranslationOption option) {
+    return option.title.tr;
+  }
+
+  /// 获取翻译选项的本地化描述
+  String getLocalizedDescription(TranslationOption option) {
+    return option.description.tr;
+  }
+}
+
+/// 翻译功能选项数据模型
+class TranslationOption {
+  final String translationId;
+  final String title;
+  final String description;
+  final IconData icon;
+  final int iconColor;
+  final String targetRoute;
+
+  TranslationOption({
+    required this.translationId,
+    required this.title,
+    required this.description,
+    required this.icon,
+    required this.iconColor,
+    required this.targetRoute,
+  });
+}

lib/modules/translation/middleware/views/translation_middleware_view.dart

@@ -0,0 +1,204 @@
+import 'package:flutter/material.dart';
+import 'package:get/get.dart';
+import 'package:flutter_screenutil/flutter_screenutil.dart';
+import '../controllers/translation_middleware_controller.dart';
+import '../../../../core/theme/app_colors.dart';
+
+/// 翻译中间层视图
+/// 展示四种翻译功能的入口选项
+class TranslationMiddlewareView
+    extends GetView<TranslationMiddlewareController> {
+  const TranslationMiddlewareView({Key? key}) : super(key: key);
+
+  @override
+  Widget build(BuildContext context) {
+    final isDarkMode = Theme.of(context).brightness == Brightness.dark;
+
+    return Scaffold(
+      backgroundColor: isDarkMode ? AppColors.darkBackground : Colors.grey[50],
+      appBar: _buildAppBar(isDarkMode),
+      body: _buildBody(isDarkMode),
+    );
+  }
+
+  /// 构建应用栏
+  PreferredSizeWidget _buildAppBar(bool isDarkMode) {
+    return AppBar(
+      backgroundColor: isDarkMode ? AppColors.darkBackground : Colors.white,
+      elevation: 0,
+      centerTitle: true,
+      leading: IconButton(
+        icon: Icon(
+          Icons.arrow_back_ios,
+          color: isDarkMode ? Colors.white : Colors.black,
+          size: 20.sp,
+        ),
+        onPressed: () => Get.back(),
+      ),
+      title: Text(
+        'translationServices'.tr, // 翻译服务
+        style: TextStyle(
+          fontSize: 20.sp,
+          fontWeight: FontWeight.bold,
+          color: isDarkMode ? Colors.white : Colors.black,
+        ),
+      ),
+    );
+  }
+
+  /// 构建主体内容
+  Widget _buildBody(bool isDarkMode) {
+    return SafeArea(
+      child: Padding(
+        padding: EdgeInsets.all(20.w),
+        child: Column(
+          crossAxisAlignment: CrossAxisAlignment.start,
+          children: [
+            // 页面标题和描述
+            // _buildHeader(isDarkMode),
+            // SizedBox(height: 30.h),
+
+            // 翻译功能选项网格
+            Expanded(
+              child: _buildTranslationOptionsGrid(isDarkMode),
+            ),
+          ],
+        ),
+      ),
+    );
+  }
+
+  /// 构建页面头部
+  Widget _buildHeader(bool isDarkMode) {
+    return Column(
+      crossAxisAlignment: CrossAxisAlignment.start,
+      children: [
+        Text(
+          'chooseTranslationService'.tr, // 选择翻译服务
+          style: TextStyle(
+            fontSize: 24.sp,
+            fontWeight: FontWeight.bold,
+            color: isDarkMode ? Colors.white : Colors.black87,
+          ),
+        ),
+        SizedBox(height: 8.h),
+        Text(
+          'translationServiceDescription'.tr, // 选择适合您需求的翻译功能
+          style: TextStyle(
+            fontSize: 16.sp,
+            color: isDarkMode ? Colors.grey[300] : Colors.grey[600],
+            height: 1.4,
+          ),
+        ),
+      ],
+    );
+  }
+
+  /// 构建翻译选项网格
+  Widget _buildTranslationOptionsGrid(bool isDarkMode) {
+    return GridView.builder(
+      gridDelegate: SliverGridDelegateWithFixedCrossAxisCount(
+        crossAxisCount: 2,
+        crossAxisSpacing: 16.w,
+        mainAxisSpacing: 16.h,
+        childAspectRatio: 0.85,
+      ),
+      itemCount: controller.translationOptions.length,
+      itemBuilder: (context, index) {
+        final option = controller.translationOptions[index];
+        return _buildTranslationOptionCard(option, isDarkMode);
+      },
+    );
+  }
+
+  /// 构建单个翻译选项卡片
+  Widget _buildTranslationOptionCard(
+    TranslationOption option,
+    bool isDarkMode,
+  ) {
+    return GestureDetector(
+      onTap: () => controller.navigateToTranslationFeature(option),
+      child: Container(
+        decoration: BoxDecoration(
+          color: isDarkMode ? AppColors.cardBackground : Colors.white,
+          borderRadius: BorderRadius.circular(16.r),
+          boxShadow: [
+            BoxShadow(
+              color: isDarkMode
+                  ? Colors.black.withOpacity(0.3)
+                  : Colors.grey.withOpacity(0.1),
+              blurRadius: 8,
+              offset: const Offset(0, 2),
+            ),
+          ],
+        ),
+        child: Padding(
+          padding: EdgeInsets.all(20.w),
+          child: Column(
+            mainAxisAlignment: MainAxisAlignment.center,
+            children: [
+              // 图标
+              Container(
+                width: 60.w,
+                height: 60.h,
+                decoration: BoxDecoration(
+                  color: Color(option.iconColor).withOpacity(0.1),
+                  borderRadius: BorderRadius.circular(16.r),
+                ),
+                child: Icon(
+                  option.icon,
+                  size: 32.sp,
+                  color: Color(option.iconColor),
+                ),
+              ),
+              SizedBox(height: 16.h),
+
+              // 标题
+              Text(
+                controller.getLocalizedTitle(option),
+                style: TextStyle(
+                  fontSize: 16.sp,
+                  fontWeight: FontWeight.bold,
+                  color: isDarkMode ? Colors.white : Colors.black87,
+                ),
+                textAlign: TextAlign.center,
+                maxLines: 2,
+                overflow: TextOverflow.ellipsis,
+              ),
+              SizedBox(height: 8.h),
+
+              // 描述
+              Text(
+                controller.getLocalizedDescription(option),
+                style: TextStyle(
+                  fontSize: 12.sp,
+                  color: isDarkMode ? Colors.grey[400] : Colors.grey[600],
+                  height: 1.3,
+                ),
+                textAlign: TextAlign.center,
+                maxLines: 3,
+                overflow: TextOverflow.ellipsis,
+              ),
+            ],
+          ),
+        ),
+      ),
+    );
+  }
+
+  /// 根据图标名称获取图标数据
+  IconData _getIconData(String iconName) {
+    switch (iconName) {
+      case 'translate':
+        return Icons.translate;
+      case 'people':
+        return Icons.people;
+      case 'history':
+        return Icons.history;
+      case 'bar_chart':
+        return Icons.bar_chart;
+      default:
+        return Icons.help_outline;
+    }
+  }
+}

lib/routes/app_pages.dart

@@ -65,6 +65,8 @@ import '../modules/FTFTranslation/bindings/FTFTranslation_binding.dart';
 import '../modules/FTFTranslation/views/FTFTranslation_view.dart';
 import '../modules/payment/bindings/payment_binding.dart';
 import '../modules/payment/views/payment_view.dart';
+import '../modules/translation/middleware/views/translation_middleware_view.dart';
+import '../modules/translation/middleware/bindings/translation_middleware_binding.dart';
 
 abstract class AppPages {
   static final pages = [
@@ -148,6 +150,13 @@ abstract class AppPages {
       transition: Transition.rightToLeft,
       transitionDuration: Duration(milliseconds: 250),
     ),
+    GetPage(
+      name: Routes.translationMiddleware,
+      page: () => const TranslationMiddlewareView(),
+      binding: TranslationMiddlewareBinding(),
+      transition: Transition.rightToLeft,
+      transitionDuration: Duration(milliseconds: 250),
+    ),
     GetPage(
       name: Routes.translation,
       page: () => const TranslationView(),

lib/routes/app_routes.dart

@@ -26,6 +26,7 @@ abstract class Routes {
   static const meetingConnect = '/meeting/connect';
   static const meetingRecord = '/meeting/record';
   // 语言功能
+  static const translationMiddleware = '/translationMiddleware'; // 翻译中间层（统一入口）
   static const translation = '/translation'; // 实时翻译
   static const translationHistory = '/translation/history'; // 翻译历史
   static const translationStats = '/translation/stats'; // 翻译统计