{
  "planPath": "docs/plans/2026-06-16-stillpending-phase-4-driver-datatypes.md",
  "branch": "feat/stillpending-phase-4-driver-datatypes",
  "tasks": [
    {
      "id": 433,
      "subject": "P4 Task 1: Modbus Int64/UInt64 node DataType (MapDataType split)",
      "status": "completed"
    },
    {
      "id": 434,
      "subject": "P4 Task 2: FOCAS fail-fast factory (EnsureUsable at init)",
      "status": "completed"
    },
    {
      "id": 435,
      "subject": "P4 Task 3: FOCAS position scaling (PositionDecimalPlaces)",
      "status": "completed",
      "blockedBy": [
        434
      ]
    },
    {
      "id": 436,
      "subject": "P4 Task 4: Historian Total aggregate (client-side Average x interval-seconds)",
      "status": "completed"
    },
    {
      "id": 437,
      "subject": "P4 Task 5: Historian poison-event dead-letter cap (maxAttempts)",
      "status": "completed"
    },
    {
      "id": 438,
      "subject": "P4 Task 6: Docs + bookkeeping",
      "status": "completed",
      "blockedBy": [
        433,
        434,
        435,
        436,
        437
      ]
    },
    {
      "id": 439,
      "subject": "P4 Task 7: Full build + test + final integration review",
      "status": "completed",
      "blockedBy": [
        433,
        434,
        435,
        436,
        437,
        438
      ]
    },
    {
      "id": 440,
      "subject": "P4 Task 8: Live /run \u2014 Modbus Int64 (acceptance gate)",
      "status": "completed",
      "blockedBy": [
        439
      ]
    }
  ],
  "lastUpdated": "2026-07-27",
  "closureNote": "Shipped \u2014 the stillpending backlog audit cites the landing commits (1e95856b, ada01e1a, fc8121cb, 3e609a2b, 70e6d3d2, c236263e, bd8fee61, 5e27b5f7, fcb38014). Marked complete 2026-07-27 (deferment.md \u00a78.5)."
}