source_truth: bc:systemlog:backfill
This data as json
| source | api_total | api_oldest | api_newest | measured_at | method | notes | event_source | event_category | live_event_source | live_event_category | mode | freshness_sla_minutes | heartbeat_source |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| bc:systemlog:backfill | 29525 | 2026-05-19T13:00:00Z | bounded_known | BC retention bounded; data starts 2025-05-07 | bc:systemlog:backfill | bc:systemlog | poll | 30 | bc:systemlog |