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    "animations": []
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    },
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      "confidence": 0.5,
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      "needs_review": true
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      "needs_review": true
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      "confidence": 0.6,
      "note": "no opaque primary button found",
      "needs_review": true
    },
    "stack": {
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      "note": "globals, script URLs and response headers"
    },
    "meta": {
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    "sections[].bbox": {
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      "confidence": 0.8
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    "sections[].kind": {
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      "confidence": 0.75,
      "note": "class-name and content-count heuristics; per-section confidence in sections[].confidence"
    },
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}