overallProgress property
      
      int
      get
      overallProgress
      
    
    
Overall progress across all files (0-100)
Implementation
int get overallProgress {
  if (totalFiles == 0) return 0;
  final completedFiles = currentFileIndex;
  final currentFileWeight = currentFileProgress / 100.0;
  final totalProgress = (completedFiles + currentFileWeight) / totalFiles;
  return (totalProgress * 100).round().clamp(0, 100);
}