{"checks":[{"age_s":30,"detail":"cohort event log","name":"cohort_feed","ok":true},{"age_s":0,"detail":"1567 mids in 0.22s","name":"exchange_api","ok":true},{"age_s":405685,"detail":"2026-11-03 population, 112.7h old","name":"membership_seed","ok":false},{"age_s":405695,"detail":"2026-11-03 complete, 92.1% coverage","name":"archive","ok":false}],"note":"Ages are measured from the newest fact in each feed, never from an upstream's own status field.","ok":false,"served_at":1794172726.121726,"source":"live","worst_age_s":405695}