Function normalizeMaskPath

src/parsers/maskZipExport.ts:12–18

(imageName: string)

 * "images/cam1/photo.jpg" -> "masks/cam1/photo.jpg.png".
 */
export function normalizeMaskPath(imageName: string): string {
  let normalized = imageName.replace(/\\/g, '/');
  if (normalized.startsWith('images/')) {
    normalized = normalized.slice(7);
  }
  return `masks/${normalized}.png`;
}

export async function exportMasksZip(
  imageNames: string[],