Coverage is treated as a production signal, not a quarterly report. A domain whose ownership drops below target generates stewardship work automatically.
Projection lag is exposed to users as a staleness banner rather than hidden. A visible lag is a known state; a hidden one is a support ticket about wrong data.
Only service health and audit anomalies page. Harvest failures retry and quarantine first — a connector outage is not a 3 a.m. problem.
The four signals that matter
Read-path SLO burn rate against 99.9%.
Freshness per source: age of the last successful harvest.
