{"ticket":"ticket-in-range","branch":"main","gate_class":"deploy","queue_depth_at_arrival":9,"at":"2026-08-01T10:00:00.000Z"}
{"ticket":"ticket-no-depth","branch":"feature","gate_class":"gate","at":"2026-07-31T23:00:00.000Z"}
not-json
{"ticket":"ticket-out-of-order-ts","branch":"hotfix","at":"bad-ts","queue_depth_at_arrival":4}
{"ticket":"ticket-in-range-2","branch":"release","at":"2026-08-01T10:30:00.000Z"}
