feat(meeting): 添加会议录音退出确认对话框及后台录音功能

实现会议录音页面的退出确认对话框，提供保存并退出、不保存退出和后台继续录音选项
修改控制器逻辑以支持后台录音状态和不同的退出行为
添加多语言支持用于退出对话框的文本显示
禁用页面返回手势以避免误操作

lib/core/translations/language/en_us.dart

@@ -437,6 +437,12 @@ const Map<String, String> enUS = {
   'audioVideoRecording': 'Audio/Video Recording',
   'callRecording': 'Call Recording',
   'importAudio': 'Import Audio',
+  'meetingRecordExitTitle': 'Exit Recording', // 退出录音
+  'meetingRecordExitMessage': 'Choose what to do before leaving', // 请选择离开后的操作
+  'meetingRecordEndAndSave': 'End recording and save', // 结束录音并保存
+  'meetingRecordEndWithoutSave': 'End recording without saving', // 结束录音不保存
+  'meetingRecordContinueInBackground':
+      'Continue recording in background', // 后台继续录音
   'transcribing': 'Transcribing...',
   'summarizing': 'Summarizing...',
   'analyzing': 'Analyzing...',

lib/core/translations/language/zh_cn.dart

@@ -414,6 +414,11 @@ const Map<String, String> zhCN = {
   'audioVideoRecording': '音、视频录音',
   'callRecording': '通话录音',
   'importAudio': '导入音频',
+  'meetingRecordExitTitle': '退出录音', // 退出录音
+  'meetingRecordExitMessage': '请选择离开后的操作', // 请选择离开后的操作
+  'meetingRecordEndAndSave': '结束录音并保存', // 结束录音并保存
+  'meetingRecordEndWithoutSave': '结束录音不保存', // 结束录音不保存
+  'meetingRecordContinueInBackground': '后台继续录音', // 后台继续录音
   'transcribing': '正在转写...',
   'summarizing': '正在总结...',
   'analyzing': '正在分析...',

lib/modules/meeting/bindings/meeting_record_binding.dart

@@ -5,7 +5,7 @@ import '../controllers/meeting_record_controller.dart';
 class MeetingRecordBinding extends Bindings {
   @override
   void dependencies() {
-    // 延迟注册 MeetingRecordController 控制器
-    Get.lazyPut<MeetingRecordController>(() => MeetingRecordController());
+    Get.put<MeetingRecordController>(MeetingRecordController(),
+        permanent: true);
   }
 }

lib/modules/meeting/controllers/meeting_record_controller.dart

@@ -84,6 +84,14 @@ class MeetingRecordController extends GetxController
     super.onClose();
   }
 
+  void applyRouteArgumentsIfIdle() {
+    if (isEditingTitle.value) return;
+    if (isRecording.value) return;
+    if (timerStatus.value != TimerStatus.stopped) return;
+    _setupFromArguments();
+    titleEditingController.text = newName.value;
+  }
+
 // 请求录音权限
   Future<bool> _requestRecordPermission() async {
     try {
@@ -147,7 +155,9 @@ class MeetingRecordController extends GetxController
     if (audioType.value != 0) {
       _bleManager.closeCodec();
     }
+    if (isRecording.value) {
       _asrService.stopRecord(true);
+    }
     isRecording.value = false;
     rms.value = 0.0;
     _smoothedRms = 0.0;
@@ -408,6 +418,23 @@ class MeetingRecordController extends GetxController
     _resetWaveform();
   }
 
+  Future<void> discardRecording() async {
+    resetTimer();
+    _stopWaveformTimer();
+    if (audioType.value != 0) {
+      _bleManager.closeCodec();
+    }
+    if (isRecording.value) {
+      await _asrService.stopRecord(false);
+    }
+    _resetToDefaultState();
+    isRecording.value = false;
+    rms.value = 0.0;
+    _smoothedRms = 0.0;
+    _latestRms = 0.0;
+    _resetWaveform();
+  }
+
   /// 将控制器重置到初始状态
   void _resetToDefaultState() {
     switch (audioType.value) {

lib/modules/meeting/views/bottomSheet/navigation_bar_bottom_sheet.dart

@@ -30,10 +30,12 @@ class NavigationBarBottomSheet extends GetView<MeetingHomeController> {
               Colors.red,
               onTap: () async {
                 Get.back();
-                await Get.toNamed(Routes.meetingRecord, arguments: {
+                final result = await Get.toNamed(Routes.meetingRecord, arguments: {
                   'audioTypes': 0,
                 });
+                if (result != 'meeting_record_background') {
                   controller.addMeetingAudio();
+                }
               },
             ),
           if (controller.meetingController.type == 1)
@@ -45,11 +47,13 @@ class NavigationBarBottomSheet extends GetView<MeetingHomeController> {
               onTap: controller.bleManager.isConnected
                   ? () async {
                       Get.back();
-                      await Get.toNamed(Routes.meetingRecord, arguments: {
+                      final result = await Get.toNamed(Routes.meetingRecord, arguments: {
                         'audioTypes': 1,
                       });
+                      if (result != 'meeting_record_background') {
                         controller.addMeetingAudio();
                       }
+                    }
                   : null,
             ),
           if (controller.meetingController.type == 1)
@@ -61,11 +65,13 @@ class NavigationBarBottomSheet extends GetView<MeetingHomeController> {
               onTap: controller.bleManager.isConnected
                   ? () async {
                       Get.back();
-                      await Get.toNamed(Routes.meetingRecord, arguments: {
+                      final result = await Get.toNamed(Routes.meetingRecord, arguments: {
                         'audioTypes': 2,
                       });
+                      if (result != 'meeting_record_background') {
                         controller.addMeetingAudio();
                       }
+                    }
                   : null,
             ),
           _buildItem(

lib/modules/meeting/views/meeting_record_view.dart

@@ -6,18 +6,231 @@ import 'package:get/get.dart';
 import '../controllers/meeting_record_controller.dart';
 import '../../../core/theme/app_colors.dart';
 
+enum _MeetingRecordExitAction {
+  saveAndEnd,
+  endWithoutSave,
+  continueInBackground,
+  cancel,
+}
+
 class MeetingRecordView extends GetView<MeetingRecordController> {
   const MeetingRecordView({super.key});
 
+  Future<_MeetingRecordExitAction?> _showExitConfirmDialog(bool isDarkMode) {
+    return Get.dialog<_MeetingRecordExitAction>(
+      Dialog(
+        insetPadding: EdgeInsets.symmetric(horizontal: 24.w, vertical: 24.h),
+        shape: RoundedRectangleBorder(
+          borderRadius: BorderRadius.circular(16.r),
+        ),
+        backgroundColor: isDarkMode ? AppColors.cardBackground : Colors.white,
+        child: Container(
+          width: 320.w,
+          padding: EdgeInsets.all(20.w),
+          decoration: BoxDecoration(
+            color: isDarkMode ? AppColors.cardBackground : Colors.white,
+            borderRadius: BorderRadius.circular(16.r),
+          ),
+          child: Column(
+            mainAxisSize: MainAxisSize.min,
+            children: [
+              Container(
+                width: 56.w,
+                height: 56.w,
+                decoration: BoxDecoration(
+                  color: (isDarkMode ? Colors.white : Colors.blue)
+                      .withValues(alpha: 0.12),
+                  borderRadius: BorderRadius.circular(28.r),
+                ),
+                child: Icon(
+                  Icons.mic_rounded,
+                  size: 28.sp,
+                  color: isDarkMode ? Colors.white : Colors.blue,
+                ),
+              ),
+              SizedBox(height: 14.h),
+              Text(
+                'meetingRecordExitTitle'.tr, // 对应中文：退出录音
+                style: TextStyle(
+                  fontSize: 18.sp,
+                  fontWeight: FontWeight.bold,
+                  color: isDarkMode ? Colors.white : Colors.black87,
+                ),
+              ),
+              SizedBox(height: 8.h),
+              Text(
+                'meetingRecordExitMessage'.tr, // 对应中文：请选择离开后的操作
+                textAlign: TextAlign.center,
+                style: TextStyle(
+                  fontSize: 14.sp,
+                  height: 1.4,
+                  color: isDarkMode ? Colors.white70 : Colors.black54,
+                ),
+              ),
+              SizedBox(height: 18.h),
+              SizedBox(
+                width: double.infinity,
+                child: Column(
+                  crossAxisAlignment: CrossAxisAlignment.stretch,
+                  children: [
+                    ElevatedButton(
+                      onPressed: () => Get.back(
+                        result: _MeetingRecordExitAction.saveAndEnd,
+                      ),
+                      style: ElevatedButton.styleFrom(
+                        backgroundColor:
+                            isDarkMode ? AppColors.primary : Colors.blue,
+                        foregroundColor: Colors.white,
+                        padding: EdgeInsets.symmetric(vertical: 12.h),
+                        shape: RoundedRectangleBorder(
+                          borderRadius: BorderRadius.circular(12.r),
+                        ),
+                        elevation: 0,
+                      ),
+                      child: Text(
+                        'meetingRecordEndAndSave'.tr, // 对应中文：结束录音并保存
+                        style: TextStyle(
+                          fontSize: 14.sp,
+                          fontWeight: FontWeight.w600,
+                        ),
+                      ),
+                    ),
+                    SizedBox(height: 10.h),
+                    OutlinedButton(
+                      onPressed: () => Get.back(
+                        result: _MeetingRecordExitAction.continueInBackground,
+                      ),
+                      style: OutlinedButton.styleFrom(
+                        foregroundColor:
+                            isDarkMode ? Colors.white70 : Colors.grey[800],
+                        side: BorderSide(
+                          color:
+                              isDarkMode ? Colors.white30 : Colors.grey[400]!,
+                        ),
+                        padding: EdgeInsets.symmetric(vertical: 12.h),
+                        shape: RoundedRectangleBorder(
+                          borderRadius: BorderRadius.circular(12.r),
+                        ),
+                      ),
+                      child: Text(
+                        'meetingRecordContinueInBackground'.tr, // 对应中文：后台继续录音
+                        style: TextStyle(
+                          fontSize: 14.sp,
+                          fontWeight: FontWeight.w500,
+                        ),
+                      ),
+                    ),
+                    SizedBox(height: 10.h),
+                    OutlinedButton(
+                      onPressed: () => Get.back(
+                        result: _MeetingRecordExitAction.endWithoutSave,
+                      ),
+                      style: OutlinedButton.styleFrom(
+                        foregroundColor:
+                            isDarkMode ? Colors.red[300] : Colors.red[600],
+                        side: BorderSide(
+                          color:
+                              isDarkMode ? Colors.red[300]! : Colors.red[300]!,
+                        ),
+                        padding: EdgeInsets.symmetric(vertical: 12.h),
+                        shape: RoundedRectangleBorder(
+                          borderRadius: BorderRadius.circular(12.r),
+                        ),
+                      ),
+                      child: Text(
+                        'meetingRecordEndWithoutSave'.tr, // 对应中文：结束录音不保存
+                        style: TextStyle(
+                          fontSize: 14.sp,
+                          fontWeight: FontWeight.w500,
+                        ),
+                      ),
+                    ),
+                    SizedBox(height: 10.h),
+                    TextButton(
+                      onPressed: () =>
+                          Get.back(result: _MeetingRecordExitAction.cancel),
+                      style: TextButton.styleFrom(
+                        padding: EdgeInsets.symmetric(vertical: 12.h),
+                        shape: RoundedRectangleBorder(
+                          borderRadius: BorderRadius.circular(12.r),
+                          side: BorderSide(
+                            color:
+                                isDarkMode ? Colors.white24 : Colors.grey[300]!,
+                          ),
+                        ),
+                      ),
+                      child: Text(
+                        'cancel'.tr, // 对应中文：取消
+                        style: TextStyle(
+                          fontSize: 14.sp,
+                          fontWeight: FontWeight.w500,
+                          color: isDarkMode ? Colors.white70 : Colors.grey[700],
+                        ),
+                      ),
+                    ),
+                  ],
+                ),
+              ),
+            ],
+          ),
+        ),
+      ),
+      barrierDismissible: true,
+    );
+  }
+
   @override
   Widget build(BuildContext context) {
     final isDarkMode = Theme.of(context).brightness == Brightness.dark;
+    controller.applyRouteArgumentsIfIdle();
 
-    return WillPopScope(
-      onWillPop: () async {
+    return PopScope(
+      canPop: false,
+      onPopInvokedWithResult: (didPop, result) async {
+        if (didPop) return;
+
+        if (!controller.isRecording.value) {
+          Get.back();
+          Future.microtask(() {
+            if (Get.isRegistered<MeetingRecordController>()) {
+              Get.delete<MeetingRecordController>(force: true);
+            }
+          });
+          return;
+        }
+
+        final action = await _showExitConfirmDialog(isDarkMode);
+        if (action == null || action == _MeetingRecordExitAction.cancel) {
+          return;
+        }
+
+        switch (action) {
+          case _MeetingRecordExitAction.saveAndEnd:
             await controller.saveTitleChange();
             await controller.saveRecording();
-        return true;
+            Get.back(result: 'meeting_record_saved');
+            Future.microtask(() {
+              if (Get.isRegistered<MeetingRecordController>()) {
+                Get.delete<MeetingRecordController>(force: true);
+              }
+            });
+            return;
+          case _MeetingRecordExitAction.endWithoutSave:
+            await controller.discardRecording();
+            Get.back(result: 'meeting_record_discarded');
+            Future.microtask(() {
+              if (Get.isRegistered<MeetingRecordController>()) {
+                Get.delete<MeetingRecordController>(force: true);
+              }
+            });
+            return;
+          case _MeetingRecordExitAction.continueInBackground:
+            await controller.saveTitleChange();
+            Get.back(result: 'meeting_record_background');
+            return;
+          case _MeetingRecordExitAction.cancel:
+            return;
+        }
       },
       child: Scaffold(
         appBar: AppBar(

lib/routes/app_pages.dart

@@ -237,6 +237,7 @@ abstract class AppPages {
       name: Routes.meetingRecord,
       page: () => const MeetingRecordView(),
       binding: MeetingRecordBinding(),
+      popGesture: false,
       transition: Transition.rightToLeft,
       transitionDuration: Duration(milliseconds: 250),
     ),