{"status":"ZKTeco iClock Server activo","timestamp":"2026-08-01T00:34:40.1629528+00:00","endpoints":["POST /api/enroll?sn=SERIAL&pin=2&name=Juan       → Crear usuario","POST /api/enroll/photo?sn=SERIAL&pin=2            → Enviar foto facial","DELETE /api/enroll?sn=SERIAL&pin=2                → Eliminar usuario","GET  /api/attendance                               → Ver marcaciones","GET  /api/commands/pending?sn=SERIAL              → Comandos pendientes"]}