{
  "title": "Plastic plumbing fixture data for AI kit and component review",
  "source_page": "https://fiund.com/industries/plastic-fixture-kit-component-data",
  "authorship": "Original fictional Fiund editorial exercise. No actual operating records or third-party source assets are included.",
  "example": {
    "title": "A correct package count with the wrong mounting piece",
    "context": "Paper parts represent an invented fixture kit and carry asymmetric letter tags.",
    "records": [
      [
        "1",
        "Parts list",
        "Model F2 needs body B1, flat clip C2 and angle clip C3."
      ],
      [
        "2",
        "Packing image",
        "Visible B1, C2, C2; all labels legible."
      ],
      [
        "3",
        "Pack counter",
        "Three items scanned."
      ]
    ],
    "question": "What should the pack reviewer report?",
    "answer": "The total count in record 3 matches the expected three, but record 2 has two C2 clips and lacks C3 under record 1. Flag one duplicate and one missing item while retaining B1 as matched. A three-item count does not establish kit completeness.",
    "failureModes": [
      "Relying on aggregate count",
      "Combining distinct clips into one unlabeled class"
    ],
    "fields": [
      [
        "expected_part_key",
        "Defines each kit slot"
      ],
      [
        "observed_multiplicity",
        "Detects duplicates by part"
      ],
      [
        "label_visibility",
        "Gates positive item identity"
      ]
    ],
    "holdout": "Use a hidden tag with a visible angled silhouette; require provisional shape evidence rather than inventing its ID.",
    "boundary": "No plumbing fit or installation advice, real fixture designs or customer shipments."
  }
}