{
  "title": "Steering and suspension component data for AI side-pair review",
  "source_page": "https://fiund.com/industries/suspension-component-side-pairing-data",
  "authorship": "Original fictional Fiund editorial exercise. No actual operating records or third-party source assets are included.",
  "example": {
    "title": "A mirrored pair is intentional; two lefts are not",
    "context": "Original paper components have unequal feature spacing and marked faces. The example does not model vehicle fit.",
    "records": [
      [
        "1",
        "Kit map",
        "One left L and one right R required; marked face visible for both."
      ],
      [
        "2",
        "Feature key",
        "Square closer to triangle on L's upper edge; R reflects the pattern to its lower edge."
      ],
      [
        "3",
        "Kit photo",
        "Both props show the upper-edge relationship under the marked face."
      ]
    ],
    "question": "How should the visible pair be labeled?",
    "answer": "Under the marked-face convention in records 1 and 2, both props have the L-like pattern. Record 3 supports two observed left-like geometries and no observed right-like geometry. A two-item count is not proof of a correctly handed pair.",
    "failureModes": [
      "Counting pieces without checking handed features",
      "Comparing opposite faces as if they shared the same frame"
    ],
    "fields": [
      [
        "marked_face",
        "Aligns the orientation"
      ],
      [
        "feature_relationship",
        "Identifies the handed pattern"
      ],
      [
        "pair_completeness",
        "Counts each required side separately"
      ]
    ],
    "holdout": "Show one prop upside down and require recovery using the face marker before labeling duplicates.",
    "boundary": "Paper geometry only; no actual suspension designs, installation, adjustment, fit or road safety."
  }
}