MCP_SESSION_ID is improperly named

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No se proporciona ningún archivo, prueba, punto de entrada, entorno, reproducción ni nomenclatura esperada. Primero busca en el repositorio y en los issues existentes referencias a MCP_SESSION_ID y, después, aclara el nombre previsto y el uso afectado. Se considera terminado cuando se haya reproducido la discrepancia de nomenclatura, se haya confirmado el identificador esperado y las pruebas pertinentes pasen correctamente.