{"id":"date-add-subtract","engine":"core","category":"date","name":"Sumar o restar fechas","fields":[{"key":"date","label":"Fecha","type":"date","default":"2026-01-31","required":true},{"key":"months","label":"Meses","type":"number","default":1,"required":true},{"key":"days","label":"Días","type":"number","default":7,"required":true}],"sample":{"date":"2026-01-31","months":1,"days":7}}