{
  "title": "Prefabricated wood building data for AI module revisions",
  "source_page": "https://fiund.com/industries/prefab-wood-module-plan-revision-data",
  "authorship": "Original fictional Fiund editorial exercise. No actual operating records or third-party source assets are included.",
  "example": {
    "title": "Match a wall opening to the effective revision",
    "context": "A cardboard wall stands in for an invented prefabricated module. Coordinates are mock annotation values only.",
    "records": [
      [
        "M1",
        "Rev A schedule",
        "Module W2 opening center at grid 3."
      ],
      [
        "M2",
        "Rev B schedule",
        "W2 center moves to grid 4; applies beginning traveler T20."
      ],
      [
        "M3",
        "Traveler",
        "Physical sample marked W2 and T21."
      ],
      [
        "M4",
        "Image overlay",
        "Opening center at grid 3, with grid reference fully visible."
      ]
    ],
    "question": "Which reference applies and what discrepancy is visible?",
    "answer": "Use rev B because T21 follows the T20 effectivity point in M2 and M3. M4 shows the opening at grid 3, one grid interval from the applicable grid 4. Its match to the older M1 drawing is relevant history but does not resolve the discrepancy.",
    "failureModes": [
      "Choosing the drawing that best matches the image",
      "Applying a revision to the wrong traveler interval"
    ],
    "fields": [
      [
        "module_id",
        "Joins plan and physical mockup"
      ],
      [
        "revision_effectivity",
        "Determines which schedule applies"
      ],
      [
        "observed_grid",
        "Stores the coordinate with the frame reference"
      ]
    ],
    "holdout": "Apply rev B to W3 only and give W2 a later traveler; prevent a date-only revision join.",
    "boundary": "No actual building plans, project locations, code determinations or installation guidance."
  }
}