GET
/v1/arco-request/{ticket_id}/attachments/{attachment_id}Download an attachment file
Returns a short-lived presigned S3 download URL. Call with Bearer auth, then open `download_url` (do not use this path as a bare browser href).
JWT de Cognito — `Authorization: Bearer`
Parámetros
Respuestas
Presigned download URL
Respuesta 200 — ejemplo