{
  "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": "pending",
      "blockedBy": []
    },
    {
      "id": "T2",
      "subject": "Phase 1: route AddressSpaceApplier.Apply through the classifier — PureAdd skips rebuild (high-risk)",
      "status": "pending",
      "blockedBy": ["T1"]
    },
    {
      "id": "T3",
      "subject": "Phase 1: ComputeAddAnnouncements + AnnounceAddedNodes on the applier (dedup parent NodeAdded announces)",
      "status": "pending",
      "blockedBy": ["T1"]
    },
    {
      "id": "T4a",
      "subject": "Phase 1: idempotent MaterialiseAlarmCondition (skip-if-present-and-same-kind) (high-risk)",
      "status": "pending",
      "blockedBy": ["T1"]
    },
    {
      "id": "T4b",
      "subject": "Phase 1: OpcUaPublishActor calls AnnounceAddedNodes after the Materialise passes on non-rebuild applies (high-risk)",
      "status": "pending",
      "blockedBy": ["T2", "T3", "T4a"]
    },
    {
      "id": "T5",
      "subject": "Phase 1: over-the-wire SubscriptionSurvivalTests — subscribe, pure-add, item survives + new node browsable",
      "status": "pending",
      "blockedBy": ["T4b"]
    },
    {
      "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) — Phase 1 shippable boundary",
      "status": "pending",
      "blockedBy": ["T5"]
    },
    {
      "id": "T7",
      "subject": "Phase 2: add RemoveVariableNode/RemoveAlarmConditionNode/RemoveEquipmentSubtree to ISurgicalAddressSpaceSink + DeferredAddressSpaceSink forwarding — guard-first with observed negative control (high-risk)",
      "status": "pending",
      "blockedBy": ["T6"]
    },
    {
      "id": "T8",
      "subject": "Phase 2: OtOpcUaNodeManager.RemoveVariableNode + BuildNodesRemovedModelChange (NodeDeleted) (high-risk)",
      "status": "pending",
      "blockedBy": ["T7"]
    },
    {
      "id": "T9",
      "subject": "Phase 2: OtOpcUaNodeManager.RemoveAlarmConditionNode (+ native-flag cleanup) (high-risk)",
      "status": "pending",
      "blockedBy": ["T7"]
    },
    {
      "id": "T10",
      "subject": "Phase 2: OtOpcUaNodeManager.RemoveEquipmentSubtree (descendants + notifier demotion) + SdkAddressSpaceSink forwards (high-risk)",
      "status": "pending",
      "blockedBy": ["T8", "T9"]
    },
    {
      "id": "T11",
      "subject": "Phase 2: applier PureRemove arm — terminal Bad/RemovedConditionState writes, equipment subsumption, false-to-rebuild ratchet (high-risk)",
      "status": "pending",
      "blockedBy": ["T10"]
    },
    {
      "id": "T12",
      "subject": "Phase 2: remove-side subscription-survival integration test + live-/run remove gate (kind=PureRemove rebuild=False) — Phase 2 shippable boundary",
      "status": "pending",
      "blockedBy": ["T11"]
    },
    {
      "id": "T13",
      "subject": "Phase 3: AddRemoveMix routing — removes-then-adds surgically, same-NodeId remove-then-recreate ordering test (high-risk)",
      "status": "pending",
      "blockedBy": ["T12"]
    },
    {
      "id": "T14",
      "subject": "Phase 3: mixed-deploy integration test + live-/run mixed gate + STATUS.md/P1 close-out — plan complete",
      "status": "pending",
      "blockedBy": ["T13"]
    }
  ]
}