Once a product is run by automation, the automation needs watching. The failure modes are quiet: a publication that never happened, a job that retried and gave up, an evidence handoff that broke, or a test record that leaked into the real picture.
Assurance Health looks for exactly those. Heartbeats are bounded so they cannot themselves become noise. Reconciliation is read-only; the layer reports, it never repairs. It makes automated work inspectable, and it underpins the "silence means all is well" rule elsewhere in the operation.