Module health 

Periodic health probing with state machine transitions.

Implements RHELBU-3536 R4: health state machine Healthy -> Degraded -> Unavailable -> Recovering -> Healthy with configurable probe intervals and alert generation via audit log.

Structs

HealthChecker

Runs periodic health probes against each CA backend.

HealthConfig

Configuration for the health checker.

ProbeMetrics

Per-CA probe metrics tracked between probe rounds.

Enums

HealthState

Health state of a single CA backend (RHELBU-3536 R4).