{
  "schemaVersion": "1.0.0",
  "kind": "nandarona.asset-provenance",
  "releaseId": "megabuki@2.4.0",
  "rightsOwner": "nandarona",
  "review": {
    "status": "human-reviewed",
    "reviewedAt": "2026-07-30",
    "checks": [
      "identity",
      "family distinction",
      "state readability",
      "prohibited elements",
      "source path"
    ]
  },
  "referenceAsset": {
    "publicPath": "/characters/platform/garden/megabuki.png",
    "repositorySource": "assets/characters/garden/design/megabuki-expressions-v1.png"
  },
  "expressionAsset": {
    "repositorySource": "assets/characters/garden/design/megabuki-expressions-v1.png",
    "creationMethod": "OpenAI built-in ImageGen generation from the official Growing Garden design contract, followed by human visual review",
    "promptContract": {
      "useCase": "stylized-concept",
      "requiredStates": [
        "intact",
        "broken",
        "ring-start",
        "ring-grow",
        "new-bud",
        "restored"
      ],
      "invariants": [
        "欠けた低い切り株と、中央から立つ一本の再生芽",
        "再生年輪と欠損位置",
        "preserve the face-free playable growth mechanism, individual seed/leaf/root/fruit/branch signal system, stable gameplay pivot, and shape-based state redundancy",
        "states must differ through structural action rather than recoloring"
      ],
      "avoid": [
        "セーブ地点にしない",
        "瞬時に無制限復活させない",
        "傷口や生々しい断面にしない",
        "extra characters",
        "watermark"
      ]
    }
  },
  "licenseScope": "Released artifacts are offered under CC BY 4.0; third-party rights and official endorsement are not granted."
}