| field,unit,note | |
| hours,h,"Clock hours, 8 per assigned shift" | |
| required,people / shift-skill,"Headcount demand, not a predicted workload" | |
| coverage_ratio,fraction,Filled skill slots / required skill slots | |
| overtime_hours,h,Hours above each person's preferred_hours | |
| undesirable_shifts,shifts,Night plus any Saturday/Sunday assignment | |
| date,ISO-8601,"Calendar date in the sample timezone, no DST" | |