$ python adapt.py availability --work recorded-adaptations/work --cohort recorded/cohort.json --model recorded/candidate.json --out recorded-adaptations/availability.json
{
  "observation": "user-00-day-03",
  "predict_at": "2026-01-03T12:00:00Z",
  "outcome_end": "2026-01-04T12:00:00+00:00",
  "label_ready_at": "2026-01-04T14:00:00Z",
  "available_event_count": 2,
  "retrospective_event_count": 3,
  "late_events_excluded": [
    "user-00-day-03-late"
  ],
  "at_25_hours": {
    "label_pending": 1
  },
  "at_label_readiness": 1
}
