{
  "_meta": {
    "test": "1.5",
    "jira": "SAIL-161",
    "generated": "2026-09-07T14:17:08.125Z",
    "note": "Offline measurement harness answering 0.9's open question: on the 24 frozen-332 photos flagged finalShort=true (post rules+coherence <3 stripes), what does auto-escalating to solo-SAM3 (rule-filtered) recover? TEST-ONLY — no production wiring; production wiring is JIRA-gated (SAIL-161 build).",
    "holdoutFile": "test-holdout-ids-canonical.json",
    "holdoutFrozen": "2026-08-25",
    "gate0Source": "gate0-escalation-stats.json (test 0.9)",
    "sam3SoloDir": "runs/hopeval/D-sam3-solo (reused, no new inference)",
    "rules": {
      "geometryViolation": "server/pipeline/stripeFilters.js::isGeometryViolation (normalized pts + real W,H)",
      "crossing": "server/stripeMetrics.js::checkStripeCrossing (SAM3 candidates crossing a kept pipeline-final OR higher-confidence SAM3 line are dropped)",
      "dedupe": "a SAM3 survivor chamfer-matching an existing pipeline-final line within 3% of image diagonal is a duplicate, not an addition"
    },
    "matchCapFraction": 0.03,
    "rescueDefinitions": {
      "byCount": "merged (pipeline-final + kept SAM3 additions) line count >= 3 — what the gate literally checks",
      "byTruth": "merged set has >=3 lines that chamfer-match DISTINCT label stripes at the 3% cap — are the 3 real"
    },
    "nFlagged": 24,
    "nScored": 24,
    "replayDriftCount": 0
  },
  "summary": {
    "nFlagged24": 24,
    "nScored": 24,
    "rescued_byCount_geq3": 20,
    "rescued_byTruth_geq3RealMatches": 14,
    "totalRealStripesAdded": 24,
    "totalJunkStripesAdded": 16,
    "totalDuplicatesDropped": 3
  },
  "perPhoto": [
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      "sam3ImageSizeMetaSuspect": false,
      "nLabelStripes": 4,
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      "beforeMatchedToLabel": 1,
      "sam3RawCount": 3,
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          "rule": "geometry-violation"
        }
      ],
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      "realStripesAdded": 2,
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      "rescued_byCount_geq3": true,
      "rescued_byTruth_geq3RealMatches": true
    },
    {
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      "sam3RawCount": 6,
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        },
        {
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        {
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        },
        {
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      ],
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    },
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        {
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        },
        {
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