refactor(meeting): 提取控制器删除逻辑并更新图标样式

将重复的控制器删除逻辑提取为独立方法_deleteControllerAfterPop
更新底部操作栏图标为圆角风格
调整底部间距从32.h改为42.h

lib/modules/meeting/views/meeting_record_view.dart

@@ -16,6 +16,14 @@ enum _MeetingRecordExitAction {
 class MeetingRecordView extends GetView<MeetingRecordController> {
   const MeetingRecordView({super.key});
 
+  void _deleteControllerAfterPop() {
+    Future.delayed(const Duration(milliseconds: 400), () {
+      if (Get.isRegistered<MeetingRecordController>()) {
+        Get.delete<MeetingRecordController>(force: true);
+      }
+    });
+  }
+
   Future<_MeetingRecordExitAction?> _showExitConfirmDialog(bool isDarkMode) {
     return Get.dialog<_MeetingRecordExitAction>(
       Dialog(
@@ -191,11 +199,7 @@ class MeetingRecordView extends GetView<MeetingRecordController> {
 
         if (!controller.isRecording.value) {
           Get.back();
-          Future.microtask(() {
+          _deleteControllerAfterPop();
-            if (Get.isRegistered<MeetingRecordController>()) {
-              Get.delete<MeetingRecordController>(force: true);
-            }
-          });
           return;
         }
 
@@ -209,20 +213,12 @@ class MeetingRecordView extends GetView<MeetingRecordController> {
             await controller.saveTitleChange();
             await controller.saveRecording();
             Get.back(result: 'meeting_record_saved');
-            Future.microtask(() {
+            _deleteControllerAfterPop();
-              if (Get.isRegistered<MeetingRecordController>()) {
-                Get.delete<MeetingRecordController>(force: true);
-              }
-            });
             return;
           case _MeetingRecordExitAction.endWithoutSave:
             await controller.discardRecording();
             Get.back(result: 'meeting_record_discarded');
-            Future.microtask(() {
+            _deleteControllerAfterPop();
-              if (Get.isRegistered<MeetingRecordController>()) {
-                Get.delete<MeetingRecordController>(force: true);
-              }
-            });
             return;
           case _MeetingRecordExitAction.continueInBackground:
             await controller.saveTitleChange();
@@ -472,7 +468,7 @@ class MeetingRecordView extends GetView<MeetingRecordController> {
                 )),
             const Spacer(),
             _buildBottomBar(context, isDarkMode),
-            SizedBox(height: 32.h),
+            SizedBox(height: 42.h),
           ],
         );
       },
@@ -490,7 +486,9 @@ class MeetingRecordView extends GetView<MeetingRecordController> {
           _buildActionButton(
             onTap: controller.toggleMarked,
             child: Obx(() => Icon(
-                  controller.isMarked.value ? Icons.star : Icons.star_border,
+                  controller.isMarked.value
+                      ? Icons.star_rounded
+                      : Icons.star_border_rounded,
                   size: 36.sp,
                   color:
                       controller.isMarked.value ? Colors.orange : Colors.grey,
@@ -507,7 +505,7 @@ class MeetingRecordView extends GetView<MeetingRecordController> {
             child: Obx(() => Icon(
                   controller.timerStatus.value == TimerStatus.running
                       ? Icons.pause
-                      : Icons.play_arrow,
+                      : Icons.play_arrow_rounded,
                   size: 44.sp,
                   color: Colors.red,
                 )),
@@ -521,7 +519,7 @@ class MeetingRecordView extends GetView<MeetingRecordController> {
           _buildActionButton(
             onTap: () => _bottomSheet(context, isDarkMode),
             child: Icon(
-              Icons.check,
+              Icons.check_rounded,
               size: 36.sp,
               color: Colors.green,
             ),