lmxopcua/archreview/plans/R2-07-surgical-pure-adds-plan.md.tasks.json

{
  "planPath": "archreview/plans/R2-07-surgical-pure-adds-plan.md",
  "lastUpdated": "2026-07-12",
  "tasks": [
    {
      "id": "T1",
      "subject": "Phase 1: AddressSpaceChangeClassifier + table-driven tests (move TagDeltaIsSurgicalEligible/VtagDeltaIsNodeIrrelevant)",
      "status": "completed",
      "blockedBy": []
    },
    {
      "id": "T2",
      "subject": "Phase 1: route AddressSpaceApplier.Apply through the classifier \u2014 PureAdd skips rebuild (high-risk)",
      "status": "completed",
      "blockedBy": [
        "T1"
      ]
    },
    {
      "id": "T3",
      "subject": "Phase 1: ComputeAddAnnouncements + AnnounceAddedNodes on the applier (dedup parent NodeAdded announces)",
      "status": "completed",
      "blockedBy": [
        "T1"
      ]
    },
    {
      "id": "T4a",
      "subject": "Phase 1: idempotent MaterialiseAlarmCondition (skip-if-present-and-same-kind) (high-risk)",
      "status": "completed",
      "blockedBy": [
        "T1"
      ]
    },
    {
      "id": "T4b",
      "subject": "Phase 1: OpcUaPublishActor calls AnnounceAddedNodes after the Materialise passes on non-rebuild applies (high-risk)",
      "status": "completed",
      "blockedBy": [
        "T2",
        "T3",
        "T4a"
      ]
    },
    {
      "id": "T5",
      "subject": "Phase 1: over-the-wire SubscriptionSurvivalTests \u2014 subscribe, pure-add, item survives + new node browsable",
      "status": "deferred-live",
      "blockedBy": [
        "T4b"
      ],
      "note": "authored + compiles (dotnet build green); NOT run \u2014 *.IntegrationTests suite leaks ~16GB/run per the memory constraint. MUST run in the serial heavy integration pass (single-test, boots one in-process server + client)."
    },
    {
      "id": "T6",
      "subject": "Phase 1: MANDATORY live-/run gate on docker-dev (rebuild BOTH centrals; Client.CLI subscribe survives +1-tag deploy; kind=PureAdd rebuild=False) \u2014 Phase 1 shippable boundary",
      "status": "deferred-live",
      "blockedBy": [
        "T5"
      ],
      "note": "docker-dev live /run surgical-path; serial heavy pass \u2014 F10b inertness risk, MUST run (subscribe survives +1-tag deploy; central log kind=PureAdd, rebuild=False; new node browsable/Good)."
    },
    {
      "id": "T7",
      "subject": "Phase 2: add RemoveVariableNode/RemoveAlarmConditionNode/RemoveEquipmentSubtree to ISurgicalAddressSpaceSink + DeferredAddressSpaceSink forwarding \u2014 guard-first with observed negative control (high-risk)",
      "status": "completed",
      "blockedBy": [
        "T6"
      ]
    },
    {
      "id": "T8",
      "subject": "Phase 2: OtOpcUaNodeManager.RemoveVariableNode + BuildNodesRemovedModelChange (NodeDeleted) (high-risk)",
      "status": "completed",
      "blockedBy": [
        "T7"
      ]
    },
    {
      "id": "T9",
      "subject": "Phase 2: OtOpcUaNodeManager.RemoveAlarmConditionNode (+ native-flag cleanup) (high-risk)",
      "status": "completed",
      "blockedBy": [
        "T7"
      ]
    },
    {
      "id": "T10",
      "subject": "Phase 2: OtOpcUaNodeManager.RemoveEquipmentSubtree (descendants + notifier demotion) + SdkAddressSpaceSink forwards (high-risk)",
      "status": "completed",
      "blockedBy": [
        "T8",
        "T9"
      ]
    },
    {
      "id": "T11",
      "subject": "Phase 2: applier PureRemove arm \u2014 terminal Bad/RemovedConditionState writes, equipment subsumption, false-to-rebuild ratchet (high-risk)",
      "status": "completed",
      "blockedBy": [
        "T10"
      ]
    },
    {
      "id": "T12",
      "subject": "Phase 2: remove-side subscription-survival integration test + live-/run remove gate (kind=PureRemove rebuild=False) \u2014 Phase 2 shippable boundary",
      "status": "deferred-live",
      "blockedBy": [
        "T11"
      ],
      "note": "remove-side SubscriptionSurvivalTests authored + compiles (dotnet build green); NOT run \u2014 *.IntegrationTests memory constraint. Live docker-dev pure-remove gate (survivor subscription uninterrupted; central log kind=PureRemove, rebuild=False; removed node reads BadNodeIdUnknown) MUST run in the serial heavy pass \u2014 F10b inertness risk."
    },
    {
      "id": "T13",
      "subject": "Phase 3: AddRemoveMix routing \u2014 removes-then-adds surgically, same-NodeId remove-then-recreate ordering test (high-risk)",
      "status": "completed",
      "blockedBy": [
        "T12"
      ]
    },
    {
      "id": "T14",
      "subject": "Phase 3: mixed-deploy integration test + live-/run mixed gate + STATUS.md/P1 close-out \u2014 plan complete",
      "status": "deferred-live",
      "blockedBy": [
        "T13"
      ],
      "note": "mixed-deploy SubscriptionSurvivalTests authored + compiles (dotnet build green); docs close-out DONE (STATUS.md + 03/P1 marked REMEDIATED + plan deviations). Live docker-dev mixed gate (one deploy +1/-1; kind=AddRemoveMix, rebuild=False; survivor uninterrupted) MUST run in the serial heavy pass \u2014 F10b inertness risk."
    }
  ]
}