Maintenance

GET  /maintenance?overdue=1&machine_id={id}
POST /maintenance/{id}/done

overdue=1: next_due_at is before today. POST .../done completes the task: last_done_at = today, next_due_at moves forward by frequency_days. Optional body: actual_minutes, performed_by.

curl -X POST https://app.gymmaintain.com/api/v1/maintenance/<uuid>/done \
  -H "Authorization: Bearer gm_..." -H "Content-Type: application/json" \
  -d '{"actual_minutes":20,"performed_by":"Sam"}'