Function isZipFormat

daemon/src/service/seven_zip_service.ts:15–18

(filePath: string)

 * Check if the file is in zip format (only supports .zip extension)
 */
export function isZipFormat(filePath: string): boolean {
  const ext = path.extname(filePath).toLowerCase();
  return ext === ".zip";
}

/**
 * Check if it's a multi-volume archive (supports ZIP, 7z, RAR formats)