Crea o sustituye objetivos del mes YYYY-MM y ámbito exactos; no duplica el mes.

Envía todos los objetivos a conservar; los omitidos/null se eliminan. Debe quedar
al menos uno. Los porcentajes admiten decimales (32.75), nunca fracciones 0..1.

Integration access is restricted to the credential's location. Pagination, monetary units and response envelopes are endpoint-specific; use the schema below. Do not assume that POST/PATCH requests are safe to retry after a timeout.