{
  "illustrative": true,
  "article": "/manufacturing/wip-hold-time-expiry-controls/",
  "assumptions": [
    "All times, limits, storage conditions and product quantities are teaching assumptions.",
    "Source clocks and coverage are assumed complete; this is not a hold-time study.",
    "The qualified sealed period pauses exposure only; hold and open-use clocks continue.",
    "All hard boundaries are exclusive; hold applies to OP20 start, open-use applies to completion.",
    "The next operation remains exposed for its entire duration in these scenarios."
  ],
  "batch": {
    "id": "WIP-T01",
    "quantityKg": 100,
    "previousOperationCompletedAt": "2026-10-19T08:00:00+08:00",
    "expiresAt": "2026-10-21T08:00:00+08:00",
    "openedAt": "2026-10-19T09:00:00+08:00"
  },
  "rules": {
    "version": "TIME-T/1",
    "maximumWaitMinutes": 240,
    "openUseMinutes": 360,
    "maximumExposureMinutes": 120
  },
  "asOf": "2026-10-19T11:30:00+08:00",
  "exposureIntervals": [
    {
      "start": "2026-10-19T09:00:00+08:00",
      "end": "2026-10-19T09:40:00+08:00"
    },
    {
      "start": "2026-10-19T11:00:00+08:00",
      "end": null
    }
  ],
  "qualifiedPause": {
    "start": "2026-10-19T09:40:00+08:00",
    "end": "2026-10-19T11:00:00+08:00"
  },
  "coverageComplete": true,
  "split": {
    "at": "2026-10-19T10:30:00+08:00",
    "parentCurrent": false,
    "children": [
      {
        "id": "C1",
        "quantityKg": 60,
        "inheritsFrom": "WIP-T01"
      },
      {
        "id": "C2",
        "quantityKg": 40,
        "inheritsFrom": "WIP-T01"
      }
    ]
  },
  "returnEvent": {
    "container": "C1",
    "at": "2026-10-19T12:10:00+08:00",
    "resetsClocks": false
  },
  "lateStartEvent": {
    "occurredAt": "2026-10-19T11:50:00+08:00",
    "receivedAt": "2026-10-19T12:10:00+08:00",
    "trustedSourceTime": true
  },
  "scenarios": [
    {
      "id": "on-time",
      "start": "2026-10-19T11:45:00+08:00",
      "end": "2026-10-19T12:15:00+08:00",
      "expectedStartAllowed": true,
      "expectedRouteAllowed": true,
      "expectedStartExposure": 85,
      "expectedEndExposure": 115
    },
    {
      "id": "exact-hold-limit",
      "start": "2026-10-19T12:00:00+08:00",
      "end": null,
      "expectedStartAllowed": false,
      "expectedRouteAllowed": false,
      "expectedStartExposure": 100
    },
    {
      "id": "delayed",
      "start": "2026-10-19T12:05:00+08:00",
      "end": null,
      "expectedStartAllowed": false,
      "expectedRouteAllowed": false,
      "expectedStartExposure": 105
    },
    {
      "id": "long-operation",
      "start": "2026-10-19T11:45:00+08:00",
      "end": "2026-10-19T12:25:00+08:00",
      "expectedStartAllowed": true,
      "expectedRouteAllowed": false,
      "expectedStartExposure": 85,
      "expectedEndExposure": 125
    }
  ],
  "expected": {
    "exposureAtAsOf": 70,
    "remainingExposure": 50,
    "waitDeadline": "2026-10-19T12:00:00+08:00",
    "openUseDeadline": "2026-10-19T15:00:00+08:00",
    "continuousExposureDeadline": "2026-10-19T12:20:00+08:00",
    "earliestStartBoundary": "2026-10-19T12:00:00+08:00",
    "lateTrustedStartAllowed": true
  }
}