fix(meeting): 修复导入本地录音时忽略正在录制文件和无效文件的问题

添加对正在录制文件的检查，避免导入冲突
跳过小于1KB的文件和无效音频文件
优化音频时长计算逻辑

lib/modules/meeting/controllers/meeting_home_controller.dart

@@ -22,6 +22,7 @@ import '../../../data/services/meeting/meeting_task_service.dart';
 import '../../../data/services/meeting/meeting_upload_service.dart';
 import '../../../data/services/network/api.dart';
 import '../../../routes/app_routes.dart';
+import 'meeting_record_controller.dart';
 import 'meeting_controller.dart';
 
 // 会议首页控制器
@@ -199,6 +200,7 @@ class MeetingHomeController extends GetxController {
     try {
       int addUp = 0; // 新增计数
       final appDir = await appDocDir; // 获取应用文档目录
+      final activeRecordingWavName = _getActiveRecordingWavFileName();
 
       final sourceDirs = [
         Directory("${appDir.path}/MeetingAudio/"), // 会议录音目录
@@ -226,16 +228,31 @@ class MeetingHomeController extends GetxController {
       // 遍历所有文件实体
       for (final fileEntity in allFiles) {
         try {
+          final entityName = path.basename(fileEntity.path);
+          if (activeRecordingWavName != null &&
+              entityName == activeRecordingWavName) {
+            continue;
+          }
+
           final file = File(fileEntity.path); //将文件实体转换为具体文件操作对象
           final filePath = file.path;
 
+          final fileStat = await file.stat(); //获取文件状态信息，包含修改时间等
+          if (fileStat.size < 1024) {
+            continue;
+          }
+
           // 使用just_audio库加载音频文件以获取时长
+          final Duration? duration =
               await _audioPlayer.setAudioSource(AudioSource.file(filePath));
-          int seconds =
+          final Duration? effectiveDuration = duration ?? _audioPlayer.duration;
-              _audioPlayer.duration?.inSeconds ?? 0; //获取音频时长(秒)，若为空则设为0
+          final int durationMs = effectiveDuration?.inMilliseconds ?? 0;
+          final int seconds =
+              durationMs <= 0 ? 0 : ((durationMs + 999) ~/ 1000);
+          if (seconds <= 0) {
+            continue;
+          }
 
-          // 获取文件修改时间
-          final fileStat = await file.stat(); //获取文件状态信息，包含修改时间等
           final creationTime = fileStat.changed.millisecondsSinceEpoch;
 
           // 准备新路径
@@ -312,6 +329,15 @@ class MeetingHomeController extends GetxController {
     }
   }
 
+  String? _getActiveRecordingWavFileName() {
+    if (!Get.isRegistered<MeetingRecordController>()) return null;
+    final controller = Get.find<MeetingRecordController>();
+    if (!controller.isRecording.value) return null;
+    final name = controller.fileName.value;
+    if (name.isEmpty) return null;
+    return '$name.wav';
+  }
+
   // 新增（2025-11-04）：将翻译音频归档到 LocalAudio 并返回新路径（优先 rename，失败再 copy+delete）
   Future<String> _archiveTranslatToLocal(String srcPath) async {
     // 获取应用文档目录并确保 LocalAudio 目录存在
@@ -329,7 +355,7 @@ class MeetingHomeController extends GetxController {
 
     if (await File(destPath).exists()) {
       final ts = DateTime.now().millisecondsSinceEpoch;
-      destPath = path.join(destDir.path, '$baseName\_$ts$ext');
+      destPath = path.join(destDir.path, '${baseName}_$ts$ext');
     }
 
     // 中文注释：尝试 rename（更快），失败则 copy + delete