{
  "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": "pending"},
    {"id": 434, "subject": "P4 Task 2: FOCAS fail-fast factory (EnsureUsable at init)", "status": "pending"},
    {"id": 435, "subject": "P4 Task 3: FOCAS position scaling (PositionDecimalPlaces)", "status": "pending", "blockedBy": [434]},
    {"id": 436, "subject": "P4 Task 4: Historian Total aggregate (client-side Average x interval-seconds)", "status": "pending"},
    {"id": 437, "subject": "P4 Task 5: Historian poison-event dead-letter cap (maxAttempts)", "status": "pending"},
    {"id": 438, "subject": "P4 Task 6: Docs + bookkeeping", "status": "pending", "blockedBy": [433, 434, 435, 436, 437]},
    {"id": 439, "subject": "P4 Task 7: Full build + test + final integration review", "status": "pending", "blockedBy": [433, 434, 435, 436, 437, 438]},
    {"id": 440, "subject": "P4 Task 8: Live /run — Modbus Int64 (acceptance gate)", "status": "pending", "blockedBy": [439]}
  ],
  "lastUpdated": "2026-06-16"
}