feat(usage): 添加翻译使用统计模块，包括视图、控制器和绑定

实现翻译使用统计功能，包含以下主要组件：
1. 翻译统计视图，展示实时和历史使用数据
2. 翻译统计控制器，处理数据加载和业务逻辑
3. 翻译成本控制器，管理成本配置和阈值设置
4. 相关绑定类，用于依赖注入

模块支持查看今日、本周、本月和历史统计数据，包括API调用次数、数据量和成本分析

lib/modules/translation/bindings/translation_stats_binding.dart → lib/modules/usage/bindings/translation_stats_binding.dart

@@ -2,18 +2,12 @@ import 'package:get/get.dart';
 import '../controllers/translation_stats_controller.dart';
 import '../../../data/services/translation_usage_service.dart';
 
-//翻译统计页面依赖绑定
 class TranslationStatsBinding implements Bindings {
   @override
   void dependencies() {
-    // 确保服务已注册
     if (!Get.isRegistered<TranslationUsageService>()) {
       Get.put(TranslationUsageService(), permanent: true);
     }
-
-    // 注册控制器
-    Get.lazyPut<TranslationStatsController>(
-      () => TranslationStatsController(),
-    );
+    Get.lazyPut<TranslationStatsController>(() => TranslationStatsController());
   }
 }

lib/modules/translation/controllers/translation_cost_controller.dart → lib/modules/usage/controllers/translation_cost_controller.dart

@@ -3,25 +3,18 @@ import 'package:flutter/material.dart';
 import '../../../data/services/translation_usage_service.dart';
 import '../../../core/utils/logger.dart';
 
-/// 翻译成本配置控制器
 class TranslationCostController extends GetxController {
-  // 依赖注入
-  final TranslationUsageService _usageService = Get.find<TranslationUsageService>();
-  
-  // 成本配置
+  final TranslationUsageService _usageService =
+      Get.find<TranslationUsageService>();
   final RxMap<String, double> costConfig = <String, double>{}.obs;
   final RxDouble dailyCostThreshold = 10.0.obs;
   final RxDouble monthlyCostThreshold = 300.0.obs;
-  
-  // 表单控制器
   final translationCostController = TextEditingController();
   final asrCostController = TextEditingController();
   final ttsCostController = TextEditingController();
   final aiSummaryCostController = TextEditingController();
   final dailyThresholdController = TextEditingController();
   final monthlyThresholdController = TextEditingController();
-  
-  // 状态变量
   final isLoading = false.obs;
   final isSaving = false.obs;
 
@@ -33,7 +26,6 @@ class TranslationCostController extends GetxController {
 
   @override
   void onClose() {
-    // 释放控制器
     translationCostController.dispose();
     asrCostController.dispose();
     ttsCostController.dispose();
@@ -43,24 +35,22 @@ class TranslationCostController extends GetxController {
     super.onClose();
   }
 
-  /// 加载当前配置
   void _loadCurrentConfig() {
     isLoading.value = true;
-    
     try {
-      // 从服务获取当前配置
       costConfig.value = Map<String, double>.from(_usageService.costConfig);
       dailyCostThreshold.value = _usageService.dailyCostThreshold.value;
       monthlyCostThreshold.value = _usageService.monthlyCostThreshold.value;
-      
-      // 更新表单控制器
-      translationCostController.text = (costConfig['translation_per_1k_chars'] ?? 0.05).toString();
-      asrCostController.text = (costConfig['asr_per_minute'] ?? 0.02).toString();
-      ttsCostController.text = (costConfig['tts_per_1k_chars'] ?? 0.03).toString();
-      aiSummaryCostController.text = (costConfig['ai_summary_per_request'] ?? 0.01).toString();
+      translationCostController.text =
+          (costConfig['translation_per_1k_chars'] ?? 0.05).toString();
+      asrCostController.text =
+          (costConfig['asr_per_minute'] ?? 0.02).toString();
+      ttsCostController.text =
+          (costConfig['tts_per_1k_chars'] ?? 0.03).toString();
+      aiSummaryCostController.text =
+          (costConfig['ai_summary_per_request'] ?? 0.01).toString();
       dailyThresholdController.text = dailyCostThreshold.value.toString();
       monthlyThresholdController.text = monthlyCostThreshold.value.toString();
-      
       Logger.info('成本配置加载完成');
     } catch (e) {
       Logger.error('加载成本配置失败: $e');
@@ -70,44 +60,32 @@ class TranslationCostController extends GetxController {
     }
   }
 
-  /// 保存配置
   Future<void> saveConfig() async {
     if (isSaving.value) return;
-    
     isSaving.value = true;
-    
     try {
-      // 验证输入
       if (!_validateInputs()) {
         return;
       }
-      
-      // 更新成本配置
       final newCostConfig = {
-        'translation_per_1k_chars': double.parse(translationCostController.text),
+        'translation_per_1k_chars':
+            double.parse(translationCostController.text),
         'asr_per_minute': double.parse(asrCostController.text),
         'tts_per_1k_chars': double.parse(ttsCostController.text),
         'ai_summary_per_request': double.parse(aiSummaryCostController.text),
       };
-      
       final newDailyThreshold = double.parse(dailyThresholdController.text);
       final newMonthlyThreshold = double.parse(monthlyThresholdController.text);
-      
-      // 保存到服务
       _usageService.updateCostConfig(newCostConfig);
       _usageService.updateThresholds(
         dailyThreshold: newDailyThreshold,
         monthlyThreshold: newMonthlyThreshold,
       );
-      
-      // 更新本地状态
       costConfig.value = newCostConfig;
       dailyCostThreshold.value = newDailyThreshold;
       monthlyCostThreshold.value = newMonthlyThreshold;
-      
       _showSuccessSnackbar('配置保存成功');
       Logger.info('成本配置保存成功');
-      
     } catch (e) {
       Logger.error('保存成本配置失败: $e');
       _showErrorSnackbar('保存配置失败');
@@ -116,7 +94,6 @@ class TranslationCostController extends GetxController {
     }
   }
 
-  /// 重置为默认配置
   void resetToDefault() {
     translationCostController.text = '0.05';
     asrCostController.text = '0.02';
@@ -124,11 +101,9 @@ class TranslationCostController extends GetxController {
     aiSummaryCostController.text = '0.01';
     dailyThresholdController.text = '10.0';
     monthlyThresholdController.text = '300.0';
-    
     _showInfoSnackbar('已重置为默认配置，请点击保存生效');
   }
 
-  /// 验证输入
   bool _validateInputs() {
     try {
       final translationCost = double.parse(translationCostController.text);
@@ -137,22 +112,21 @@ class TranslationCostController extends GetxController {
       final aiSummaryCost = double.parse(aiSummaryCostController.text);
       final dailyThreshold = double.parse(dailyThresholdController.text);
       final monthlyThreshold = double.parse(monthlyThresholdController.text);
-      
-      if (translationCost < 0 || asrCost < 0 || ttsCost < 0 || aiSummaryCost < 0) {
+      if (translationCost < 0 ||
+          asrCost < 0 ||
+          ttsCost < 0 ||
+          aiSummaryCost < 0) {
         _showErrorSnackbar('成本不能为负数');
         return false;
       }
-      
       if (dailyThreshold < 0 || monthlyThreshold < 0) {
         _showErrorSnackbar('预警阈值不能为负数');
         return false;
       }
-      
       if (dailyThreshold > monthlyThreshold) {
         _showErrorSnackbar('日预警阈值不能大于月预警阈值');
         return false;
       }
-      
       return true;
     } catch (e) {
       _showErrorSnackbar('请输入有效的数字');
@@ -160,13 +134,10 @@ class TranslationCostController extends GetxController {
     }
   }
 
-  /// 计算预估月成本
   double calculateEstimatedMonthlyCost() {
     try {
       final dailyStats = _usageService.todayStats.value;
       if (dailyStats.estimatedCost == 0) return 0.0;
-      
-      // 简单按30天计算
       return dailyStats.estimatedCost * 30;
     } catch (e) {
       Logger.error('计算预估月成本失败: $e');
@@ -174,84 +145,69 @@ class TranslationCostController extends GetxController {
     }
   }
 
-  /// 获取成本节约建议
   List<String> getCostSavingTips() {
     final tips = <String>[];
-    
     try {
       final dailyStats = _usageService.todayStats.value;
-      
-      // 基于使用情况给出建议
       if (dailyStats.translationApiCalls > 100) {
         tips.add('考虑批量翻译以减少API调用次数');
       }
-      
       if (dailyStats.ttsApiCalls > 50) {
         tips.add('可以关闭自动语音播放以节省TTS成本');
       }
-      
       if (dailyStats.aiSummaryApiCalls > 10) {
         tips.add('AI摘要功能按需使用，避免频繁调用');
       }
-      
-      if (dailyStats.effectiveAudioDuration > 3600) { // 超过1小时
+      if (dailyStats.effectiveAudioDuration > 3600) {
         tips.add('长时间录音会增加ASR成本，建议分段录音');
       }
-      
       if (tips.isEmpty) {
         tips.add('您的使用习惯很好，继续保持！');
       }
-      
     } catch (e) {
       Logger.error('获取成本节约建议失败: $e');
       tips.add('暂无建议');
     }
-    
     return tips;
   }
 
-  /// 显示成功提示
   void _showSuccessSnackbar(String message) {
     Get.snackbar(
       '成功',
       message,
       snackPosition: SnackPosition.TOP,
-      backgroundColor: Get.theme.colorScheme.primary.withOpacity(0.1),
+      backgroundColor: Get.theme.colorScheme.primary.withValues(alpha: 0.1),
       colorText: Get.theme.colorScheme.primary,
       duration: const Duration(seconds: 3),
     );
   }
 
-  /// 显示错误提示
   void _showErrorSnackbar(String message) {
     Get.snackbar(
       '错误',
       message,
       snackPosition: SnackPosition.TOP,
-      backgroundColor: Get.theme.colorScheme.error.withOpacity(0.1),
+      backgroundColor: Get.theme.colorScheme.error.withValues(alpha: 0.1),
       colorText: Get.theme.colorScheme.error,
       duration: const Duration(seconds: 3),
     );
   }
 
-  /// 显示信息提示
   void _showInfoSnackbar(String message) {
     Get.snackbar(
       '提示',
       message,
       snackPosition: SnackPosition.TOP,
-      backgroundColor: Get.theme.colorScheme.surface.withOpacity(0.9),
+      backgroundColor: Get.theme.colorScheme.surface.withValues(alpha: 0.9),
       colorText: Get.theme.colorScheme.onSurface,
       duration: const Duration(seconds: 3),
     );
   }
 
-  /// 格式化成本显示
   String formatCost(double cost) {
     return '¥${cost.toStringAsFixed(2)}';
   }
 
-  /// 格式化百分比显示
   String formatPercentage(double percentage) {
     return '${percentage.toStringAsFixed(1)}%';
   }

lib/modules/translation/controllers/translation_stats_controller.dart → lib/modules/usage/controllers/translation_stats_controller.dart

@@ -1,21 +1,16 @@
 import 'package:get/get.dart';
-import 'package:flutter/material.dart';
 import '../../../data/services/translation_usage_service.dart';
 import '../../../data/models/translation_usage_stats.dart';
 import '../../../core/utils/logger.dart';
 
-/// 翻译统计页面控制器
 class TranslationStatsController extends GetxController {
-  // 依赖注入
   final TranslationUsageService _usageService =
       Get.find<TranslationUsageService>();
 
-  // 状态变量
   final isLoading = false.obs;
-  final selectedTabIndex = 0.obs; // 0=今日, 1=本周, 2=本月, 3=历史
+  final selectedTabIndex = 0.obs;
   final selectedTimeRange = '今日'.obs;
 
-  // 统计数据
   final Rx<TranslationUsageStats> todayStats =
       TranslationUsageStats.empty('').obs;
   final Rx<TranslationUsageStats> weekStats =
@@ -25,15 +20,12 @@ class TranslationStatsController extends GetxController {
   final RxList<TranslationUsageStats> historyStats =
       <TranslationUsageStats>[].obs;
 
-  // 实时统计数据
   RealtimeUsageStats get realtimeStats => _usageService.realtimeStats.value;
 
-  // 成本配置
   final RxMap<String, double> costConfig = <String, double>{}.obs;
   final RxDouble dailyCostThreshold = 10.0.obs;
   final RxDouble monthlyCostThreshold = 300.0.obs;
 
-  // 图表数据
   final RxList<Map<String, dynamic>> chartData = <Map<String, dynamic>>[].obs;
 
   @override
@@ -42,9 +34,7 @@ class TranslationStatsController extends GetxController {
     _initializeData();
   }
 
-  /// 初始化数据
   void _initializeData() {
-    // 监听使用服务的数据变化
     ever(_usageService.todayStats, (stats) {
       todayStats.value = stats;
       _updateChartData();
@@ -62,28 +52,21 @@ class TranslationStatsController extends GetxController {
       monthlyCostThreshold.value = threshold;
     });
 
-    // 初始加载数据
     loadAllStats();
   }
 
-  /// 加载所有统计数据
   Future<void> loadAllStats() async {
     isLoading.value = true;
 
     try {
-      // 加载今日数据
       todayStats.value = _usageService.todayStats.value;
 
-      // 加载本周数据
       await _loadWeekStats();
 
-      // 加载本月数据
       await _loadMonthStats();
 
-      // 加载历史数据（最近7天）
       await _loadHistoryStats();
 
-      // 更新图表数据
       _updateChartData();
 
       Logger.info('统计数据加载完成');
@@ -93,7 +76,8 @@ class TranslationStatsController extends GetxController {
         '加载失败',
         '统计数据加载失败，请稍后重试',
         snackPosition: SnackPosition.TOP,
-        backgroundColor: Get.theme.colorScheme.error.withOpacity(0.1),
+        backgroundColor:
+            Get.theme.colorScheme.error.withValues(alpha: 0.1),
         colorText: Get.theme.colorScheme.error,
       );
     } finally {
@@ -101,7 +85,6 @@ class TranslationStatsController extends GetxController {
     }
   }
 
-  /// 加载本周统计数据
   Future<void> _loadWeekStats() async {
     try {
       final now = DateTime.now();
@@ -119,7 +102,6 @@ class TranslationStatsController extends GetxController {
     }
   }
 
-  /// 加载本月统计数据
   Future<void> _loadMonthStats() async {
     try {
       final now = DateTime.now();
@@ -130,7 +112,6 @@ class TranslationStatsController extends GetxController {
     }
   }
 
-  /// 加载历史统计数据
   Future<void> _loadHistoryStats() async {
     try {
       final endDate = DateTime.now();
@@ -141,14 +122,12 @@ class TranslationStatsController extends GetxController {
         endDate: endDate,
       );
 
-      // 按日期排序
       historyStats.sort((a, b) => b.date.compareTo(a.date));
     } catch (e) {
       Logger.error('加载历史统计失败: $e');
     }
   }
 
-  /// 聚合统计数据
   TranslationUsageStats _aggregateStats(
       List<TranslationUsageStats> statsList, String period) {
     if (statsList.isEmpty) {
@@ -181,13 +160,11 @@ class TranslationStatsController extends GetxController {
       totalSessions += stats.sessionCount;
       totalCost += stats.estimatedCost;
 
-      // 合并语言对使用统计（使用兼容性getter）
       stats.languagePairUsage.forEach((key, value) {
         combinedLanguagePairUsage[key] =
             (combinedLanguagePairUsage[key] ?? 0) + value;
       });
 
-      // 合并模式使用统计（使用兼容性getter）
       stats.modeUsage.forEach((key, value) {
         combinedModeUsage[key] = (combinedModeUsage[key] ?? 0) + value;
       });
@@ -211,13 +188,11 @@ class TranslationStatsController extends GetxController {
     );
   }
 
-  /// 更新图表数据
   void _updateChartData() {
     final List<Map<String, dynamic>> data = [];
 
-    // 根据选中的时间范围生成图表数据
     switch (selectedTabIndex.value) {
-      case 0: // 今日
+      case 0:
         data.add({
           'label': '今日',
           'apiCalls': todayStats.value.totalApiCalls,
@@ -225,7 +200,7 @@ class TranslationStatsController extends GetxController {
           'characters': todayStats.value.totalCharacterCount,
         });
         break;
-      case 1: // 本周
+      case 1:
         data.add({
           'label': '本周',
           'apiCalls': weekStats.value.totalApiCalls,
@@ -233,7 +208,7 @@ class TranslationStatsController extends GetxController {
           'characters': weekStats.value.totalCharacterCount,
         });
         break;
-      case 2: // 本月
+      case 2:
         data.add({
           'label': '本月',
           'apiCalls': monthStats.value.totalApiCalls,
@@ -241,7 +216,7 @@ class TranslationStatsController extends GetxController {
           'characters': monthStats.value.totalCharacterCount,
         });
         break;
-      case 3: // 历史
+      case 3:
         for (final stats in historyStats.take(7)) {
           data.add({
             'label': '${stats.date.month}/${stats.date.day}',
@@ -256,7 +231,6 @@ class TranslationStatsController extends GetxController {
     chartData.value = data;
   }
 
-  /// 切换时间范围
   void switchTimeRange(int index) {
     selectedTabIndex.value = index;
 
@@ -278,7 +252,6 @@ class TranslationStatsController extends GetxController {
     _updateChartData();
   }
 
-  /// 获取当前显示的统计数据
   TranslationUsageStats get currentStats {
     switch (selectedTabIndex.value) {
       case 0:
@@ -292,32 +265,30 @@ class TranslationStatsController extends GetxController {
     }
   }
 
-  /// 刷新数据
   Future<void> refreshData() async {
     await loadAllStats();
   }
 
-  /// 清理过期数据
   void cleanupOldData() {
     _usageService.cleanupOldData();
     Get.snackbar(
       '清理完成',
       '已清理90天前的过期数据',
       snackPosition: SnackPosition.TOP,
-      backgroundColor: Get.theme.colorScheme.primary.withOpacity(0.1),
+      backgroundColor:
+          Get.theme.colorScheme.primary.withValues(alpha: 0.1),
       colorText: Get.theme.colorScheme.primary,
     );
   }
 
-  /// 导出统计数据
   Future<void> exportStats() async {
     try {
-      // TODO: 实现数据导出功能
       Get.snackbar(
         '导出功能',
         '数据导出功能正在开发中',
         snackPosition: SnackPosition.TOP,
-        backgroundColor: Get.theme.colorScheme.primary.withOpacity(0.1),
+        backgroundColor:
+            Get.theme.colorScheme.primary.withValues(alpha: 0.1),
         colorText: Get.theme.colorScheme.primary,
       );
     } catch (e) {
@@ -325,27 +296,24 @@ class TranslationStatsController extends GetxController {
     }
   }
 
-  /// 格式化时长显示
   String formatDuration(int seconds) {
     if (seconds < 60) {
-      return '${seconds}秒';
+      return '$seconds秒';
     } else if (seconds < 3600) {
       final minutes = seconds ~/ 60;
       final remainingSeconds = seconds % 60;
-      return '${minutes}分${remainingSeconds}秒';
+      return '$minutes分$remainingSeconds秒';
     } else {
       final hours = seconds ~/ 3600;
       final minutes = (seconds % 3600) ~/ 60;
-      return '${hours}小时${minutes}分';
+      return '$hours小时$minutes分';
     }
   }
 
-  /// 格式化成本显示
   String formatCost(double cost) {
     return '¥${cost.toStringAsFixed(2)}';
   }
 
-  /// 格式化数字显示
   String formatNumber(int number) {
     if (number < 1000) {
       return number.toString();

lib/modules/translation/views/translation_stats_view.dart → lib/modules/usage/views/translation_stats_view.dart

@@ -4,7 +4,6 @@ import 'package:get/get.dart';
 import '../controllers/translation_stats_controller.dart';
 import '../../../core/theme/app_colors.dart';
 
-/// 翻译统计页面
 class TranslationStatsView extends GetView<TranslationStatsController> {
   const TranslationStatsView({Key? key}) : super(key: key);
 
@@ -21,7 +20,6 @@ class TranslationStatsView extends GetView<TranslationStatsController> {
     );
   }
 
-  /// 构建应用栏
   PreferredSizeWidget _buildAppBar(bool isDarkMode) {
     return AppBar(
       leading: IconButton(
@@ -35,7 +33,7 @@ class TranslationStatsView extends GetView<TranslationStatsController> {
       backgroundColor: isDarkMode ? AppColors.darkBackground : Colors.white,
       elevation: 0.5,
       title: Text(
-        '翻译统计', // translationStats
+        '翻译统计',
         style: TextStyle(
           fontSize: 17.sp,
           fontWeight: FontWeight.w600,
@@ -44,7 +42,6 @@ class TranslationStatsView extends GetView<TranslationStatsController> {
       ),
       centerTitle: true,
       actions: [
-        // 刷新按钮
         IconButton(
           icon: Icon(
             Icons.refresh,
@@ -52,7 +49,6 @@ class TranslationStatsView extends GetView<TranslationStatsController> {
           ),
           onPressed: controller.refreshData,
         ),
-        // 更多操作菜单
         PopupMenuButton<String>(
           icon: Icon(
             Icons.more_vert,
@@ -68,12 +64,12 @@ class TranslationStatsView extends GetView<TranslationStatsController> {
                 break;
             }
           },
-          itemBuilder: (context) => [
-            const PopupMenuItem(
+          itemBuilder: (context) => const [
+            PopupMenuItem(
               value: 'cleanup',
               child: Text('清理过期数据'),
             ),
-            const PopupMenuItem(
+            PopupMenuItem(
               value: 'export',
               child: Text('导出数据'),
             ),
@@ -83,42 +79,32 @@ class TranslationStatsView extends GetView<TranslationStatsController> {
     );
   }
 
-  /// 构建加载组件
   Widget _buildLoadingWidget() {
     return const Center(
       child: CircularProgressIndicator(),
     );
   }
 
-  /// 构建主体内容
   Widget _buildBody(bool isDarkMode) {
     return Column(
       children: [
-        // 时间范围选择器
         _buildTimeRangeSelector(isDarkMode),
-        // 统计内容
         Expanded(
           child: SingleChildScrollView(
             padding: EdgeInsets.all(16.w),
             child: Column(
               children: [
-                // 实时统计卡片
                 if (controller.selectedTabIndex.value == 0)
                   _buildRealtimeStatsCard(isDarkMode),
                 SizedBox(height: 16.h),
-                // 概览统计卡片
                 _buildOverviewCard(isDarkMode),
                 SizedBox(height: 16.h),
-                // API调用统计
                 _buildApiCallsCard(isDarkMode),
                 SizedBox(height: 16.h),
-                // 数据量统计
                 _buildDataVolumeCard(isDarkMode),
                 SizedBox(height: 16.h),
-                // 成本统计
                 _buildCostCard(isDarkMode),
                 SizedBox(height: 16.h),
-                // 使用行为统计
                 _buildUsageBehaviorCard(isDarkMode),
               ],
             ),
@@ -128,7 +114,6 @@ class TranslationStatsView extends GetView<TranslationStatsController> {
     );
   }
 
-  /// 构建时间范围选择器
   Widget _buildTimeRangeSelector(bool isDarkMode) {
     return Container(
       margin: EdgeInsets.all(16.w),
@@ -137,7 +122,7 @@ class TranslationStatsView extends GetView<TranslationStatsController> {
         borderRadius: BorderRadius.circular(12.r),
         boxShadow: [
           BoxShadow(
-            color: Colors.black.withOpacity(0.05),
+            color: Colors.black.withValues(alpha: 0.05),
             blurRadius: 10,
             offset: const Offset(0, 2),
           ),
@@ -154,7 +139,6 @@ class TranslationStatsView extends GetView<TranslationStatsController> {
     );
   }
 
-  /// 构建时间范围标签
   Widget _buildTimeRangeTab(String title, int index, bool isDarkMode) {
     final isSelected = controller.selectedTabIndex.value == index;
 
@@ -185,7 +169,6 @@ class TranslationStatsView extends GetView<TranslationStatsController> {
     );
   }
 
-  /// 构建实时统计卡片
   Widget _buildRealtimeStatsCard(bool isDarkMode) {
     return Container(
       padding: EdgeInsets.all(16.w),
@@ -194,7 +177,7 @@ class TranslationStatsView extends GetView<TranslationStatsController> {
         borderRadius: BorderRadius.circular(12.r),
         boxShadow: [
           BoxShadow(
-            color: Colors.black.withOpacity(0.05),
+            color: Colors.black.withValues(alpha: 0.05),
             blurRadius: 10,
             offset: const Offset(0, 2),
           ),
@@ -272,7 +255,6 @@ class TranslationStatsView extends GetView<TranslationStatsController> {
     );
   }
 
-  /// 构建概览卡片
   Widget _buildOverviewCard(bool isDarkMode) {
     return Container(
       padding: EdgeInsets.all(16.w),
@@ -281,7 +263,7 @@ class TranslationStatsView extends GetView<TranslationStatsController> {
         borderRadius: BorderRadius.circular(12.r),
         boxShadow: [
           BoxShadow(
-            color: Colors.black.withOpacity(0.05),
+            color: Colors.black.withValues(alpha: 0.05),
             blurRadius: 10,
             offset: const Offset(0, 2),
           ),
@@ -358,7 +340,6 @@ class TranslationStatsView extends GetView<TranslationStatsController> {
     );
   }
 
-  /// 构建统计项
   Widget _buildStatItem(
       String label, String value, IconData icon, bool isDarkMode) {
     return Column(
@@ -389,7 +370,6 @@ class TranslationStatsView extends GetView<TranslationStatsController> {
     );
   }
 
-  /// 构建API调用统计卡片
   Widget _buildApiCallsCard(bool isDarkMode) {
     return Container(
       padding: EdgeInsets.all(16.w),
@@ -398,7 +378,7 @@ class TranslationStatsView extends GetView<TranslationStatsController> {
         borderRadius: BorderRadius.circular(12.r),
         boxShadow: [
           BoxShadow(
-            color: Colors.black.withOpacity(0.05),
+            color: Colors.black.withValues(alpha: 0.05),
             blurRadius: 10,
             offset: const Offset(0, 2),
           ),
@@ -452,7 +432,6 @@ class TranslationStatsView extends GetView<TranslationStatsController> {
     );
   }
 
-  /// 构建API调用行
   Widget _buildApiCallRow(
       String label, int count, IconData icon, bool isDarkMode) {
     return Row(
@@ -484,7 +463,6 @@ class TranslationStatsView extends GetView<TranslationStatsController> {
     );
   }
 
-  /// 构建数据量统计卡片
   Widget _buildDataVolumeCard(bool isDarkMode) {
     return Container(
       padding: EdgeInsets.all(16.w),
@@ -493,7 +471,7 @@ class TranslationStatsView extends GetView<TranslationStatsController> {
         borderRadius: BorderRadius.circular(12.r),
         boxShadow: [
           BoxShadow(
-            color: Colors.black.withOpacity(0.05),
+            color: Colors.black.withValues(alpha: 0.05),
             blurRadius: 10,
             offset: const Offset(0, 2),
           ),
@@ -575,7 +553,6 @@ class TranslationStatsView extends GetView<TranslationStatsController> {
     );
   }
 
-  /// 构建成本统计卡片
   Widget _buildCostCard(bool isDarkMode) {
     return Container(
       padding: EdgeInsets.all(16.w),
@@ -584,7 +561,7 @@ class TranslationStatsView extends GetView<TranslationStatsController> {
         borderRadius: BorderRadius.circular(12.r),
         boxShadow: [
           BoxShadow(
-            color: Colors.black.withOpacity(0.05),
+            color: Colors.black.withValues(alpha: 0.05),
             blurRadius: 10,
             offset: const Offset(0, 2),
           ),
@@ -614,11 +591,10 @@ class TranslationStatsView extends GetView<TranslationStatsController> {
           SizedBox(height: 16.h),
           Obx(() => Column(
                 children: [
-                  // 当前成本
                   Container(
                     padding: EdgeInsets.all(12.w),
                     decoration: BoxDecoration(
-                      color: AppColors.primary.withOpacity(0.1),
+                      color: AppColors.primary.withValues(alpha: 0.1),
                       borderRadius: BorderRadius.circular(8.r),
                     ),
                     child: Row(
@@ -645,7 +621,6 @@ class TranslationStatsView extends GetView<TranslationStatsController> {
                     ),
                   ),
                   SizedBox(height: 12.h),
-                  // 预警阈值
                   Row(
                     mainAxisAlignment: MainAxisAlignment.spaceBetween,
                     children: [
@@ -694,7 +669,6 @@ class TranslationStatsView extends GetView<TranslationStatsController> {
     );
   }
 
-  /// 构建使用行为统计卡片
   Widget _buildUsageBehaviorCard(bool isDarkMode) {
     return Container(
       padding: EdgeInsets.all(16.w),
@@ -703,7 +677,7 @@ class TranslationStatsView extends GetView<TranslationStatsController> {
         borderRadius: BorderRadius.circular(12.r),
         boxShadow: [
           BoxShadow(
-            color: Colors.black.withOpacity(0.05),
+            color: Colors.black.withValues(alpha: 0.05),
             blurRadius: 10,
             offset: const Offset(0, 2),
           ),
@@ -733,7 +707,6 @@ class TranslationStatsView extends GetView<TranslationStatsController> {
           SizedBox(height: 16.h),
           Obx(() => Column(
                 children: [
-                  // 最常用语言对
                   _buildUsageBehaviorRow(
                     '最常用语言对',
                     controller.currentStats.mostUsedLanguagePair,
@@ -741,7 +714,6 @@ class TranslationStatsView extends GetView<TranslationStatsController> {
                     isDarkMode,
                   ),
                   SizedBox(height: 12.h),
-                  // 最常用翻译模式
                   _buildUsageBehaviorRow(
                     '最常用模式',
                     controller.currentStats.mostUsedMode,
@@ -755,7 +727,6 @@ class TranslationStatsView extends GetView<TranslationStatsController> {
     );
   }
 
-  /// 构建使用行为行
   Widget _buildUsageBehaviorRow(
       String label, String value, IconData icon, bool isDarkMode) {
     return Row(

lib/routes/app_pages.dart

@@ -34,8 +34,8 @@ import '../modules/timbre/views/timbre_view.dart';
 import '../modules/translation/views/translation_view.dart';
 import '../modules/translation/bindings/translation_binding.dart';
 import '../modules/translation/views/translation_history_view.dart';
-import '../modules/translation/views/translation_stats_view.dart';
-import '../modules/translation/bindings/translation_stats_binding.dart';
+import '../modules/usage/views/translation_stats_view.dart';
+import '../modules/usage/bindings/translation_stats_binding.dart';
 import '../modules/translation/bindings/translation_list_binding.dart';
 import '../modules/translation/views/translation_list_view.dart';
 import '../modules/translation/bindings/translation_history_binding.dart';