Feature window ends at Jan 08 12:00 UTC; first publication 12:30; correction 14:00
before-job: predict_at=2026-01-08T12:15:00Z; feature=missing
first-read: predict_at=2026-01-08T13:00:00Z; feature=1
after-correction: predict_at=2026-01-08T15:00:00Z; feature=2
unknown-user: predict_at=2026-01-08T15:00:00Z; feature=missing
13:00 historical read unchanged after correction: True
Retained user-01 vintages: 2
