{
  "planPath": "archreview/plans/R2-10-resilience-observability-plan.md",
  "lastUpdated": "2026-07-27",
  "tasks": [
    {
      "id": "T1",
      "subject": "Tracker: LastBreakerClosedUtc + IsBreakerOpen + RecordBreakerClose (Core, TDD in DriverResilienceStatusTrackerTests)",
      "status": "completed",
      "blockedBy": []
    },
    {
      "id": "T2",
      "subject": "Builder: OnClosed records breaker-close on the tracker (TDD in DriverResiliencePipelineBuilderTests)",
      "status": "completed",
      "blockedBy": [
        "T1"
      ]
    },
    {
      "id": "T3",
      "subject": "Invoker: successful Execute* resets ConsecutiveFailures (TDD in CapabilityInvokerTests)",
      "status": "completed",
      "blockedBy": [
        "T1"
      ]
    },
    {
      "id": "T4",
      "subject": "Commons: DriverResilienceStatusChanged record + driver-resilience-status TopicName",
      "status": "completed",
      "blockedBy": []
    },
    {
      "id": "T5",
      "subject": "Host: DriverResilienceStatusPublisherService (BuildMessages mapping + 5s DPS timer shell; TDD mapping in Host.IntegrationTests)",
      "status": "completed",
      "blockedBy": [
        "T1",
        "T4"
      ]
    },
    {
      "id": "T6",
      "subject": "Host DI: register the publisher in AddOtOpcUaDriverFactories + ResilienceStatusReaderRegistrationTests wiring guard (tracker HAS a production reader)",
      "status": "completed",
      "blockedBy": [
        "T5"
      ]
    },
    {
      "id": "T7",
      "subject": "AdminUI: IDriverResilienceStatusStore + InMemory impl + AddOtOpcUaDriverStatusServices registration (TDD mirroring DriverStatusSnapshotStoreTests)",
      "status": "completed",
      "blockedBy": [
        "T4"
      ]
    },
    {
      "id": "T8",
      "subject": "AdminUI: DriverResilienceStatusBridge DPS actor + spawn in WithOtOpcUaSignalRBridges",
      "status": "completed",
      "blockedBy": [
        "T7"
      ]
    },
    {
      "id": "T9",
      "subject": "AdminUI: resilience chip section in DriverStatusPanel.razor (in-process store read; no bUnit \u2014 verified by T10)",
      "status": "completed",
      "blockedBy": [
        "T7"
      ]
    },
    {
      "id": "T10",
      "subject": "Live-/run gate on docker-dev: rebuild BOTH centrals, S7 dead-endpoint breaker-open, both-replica chips, recovery clear, staleness dim",
      "status": "deferred-live",
      "blockedBy": [
        "T6",
        "T8",
        "T9"
      ],
      "openNote": "PARTIAL \u2014 the resilience PIPELINE is live-verified (Polly CircuitBreaker -> Retry -> Timeout -> CapabilityInvoker in central-1 stack traces), but breaker-OPEN state was never forced: R2-09's ConnectionBackoff throttles retries so failures don't accumulate fast enough to open the Polly breaker. The reliable trigger is a rapid idempotent write to a dead endpoint. Confirmed still open 2026-07-27 (deferment.md \u00a78.5)."
    },
    {
      "id": "T11",
      "subject": "Docs + review ledger: mark 03/U10 + 04/U-5 remediated; update STATUS.md + FOLLOWUP-10",
      "status": "completed",
      "blockedBy": [
        "T10"
      ]
    }
  ]
}