{
  "baseline_commit": "4a6ec2fd",
  "scope": "Local source integration,comparison visibility and obstacle-hidden inspection only;not fitted engine geometry or replacement readiness.",
  "checks": {
    "all79SourcesReady": true,
    "nativeValveDriveMeshes": 10,
    "metricVertexSamples": 30,
    "retainedNeighborVertexSamples": 4584,
    "sourceMappingAndPicking": true,
    "supersededGroupsRemoved": true,
    "detachedComparisonHiddenUntilSelected": true,
    "fallbackPreservesAllFourCoreGroups": true,
    "productionStudyReloadWithoutHooks": true,
    "mobileImagesLoaded": true,
    "downloadsAvailable": true,
    "pageErrors": []
  },
  "metric_tolerance_body_units": 2e-06,
  "retained_sample_scope": "Three vertices per retained mesh;includes prior rocker support groups and unchanged engine/neighbor meshes,excluding the superseded follower group. Not exhaustive surface validation.",
  "fallback_scope": "Source JSON returned503;all four historical core groups remained visible in focused study and no replacement records appeared.",
  "comparison_behavior": "Detached198mm rod hidden in normal car until selected;clearing selection hides it again.",
  "captures": [
    "../rocker-study/valve-drive-before.png",
    "../rocker-study/valve-drive-after.png"
  ],
  "source_bytes": 1477811,
  "source_sha256": "32d6db703114ff21bf4607ecfe52382482a470d57a8735936e6f3a61be7f8a4c",
  "publication": "Local only;no push or deployment."
}