e4c7c8ab6d
R2-10: driver failures propagate through the full Polly pipeline (CircuitBreaker-> Retry->Timeout->CapabilityInvoker.cs:84) live — the #10 dispatch-gap fix + tracker source confirmed in prod; breaker-OPEN not forced (backoff-throttled, per FOLLOWUP-10). R2-03: rig has no driver data (all nodes Bad_WaitingForInitialData), so VT Good->Bad can't be staged; unit-verified. 5 gates live-confirmed total; remaining items need external infra (integration fixtures, VPN gateway, live LDAP, S7 blackhole).