{
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    "gaps": [
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    "question": "Can another program use it through a documented, machine-readable surface?",
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        "id": "importable",
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        "level": 4,
        "id": "api-reference",
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    "question": "Can integrators rely on it not changing under them?",
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      "first_missing": null,
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    "surfaces": {},
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    "question": "Can a machine act with its own revocable, least-privilege identity?",
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        "id": "timeouts-retries",
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        "id": "agent-ready",
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    },
    "level_name": "absent",
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   {
    "key": "embeddability",
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    "rationale": "Installable as a package (a package manifest).",
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      "signal": "L2 installable",
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    "question": "Can another system run and compose it without a human?",
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          "path": "src/lib.rs",
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        "id": "optional-features",
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    "level_name": "partial",
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    "key": "extensibility",
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    "question": "Can behaviour be added without modifying the code?",
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