{
  "schemaVersion": "1.0.0",
  "kind": "nandarona.asset-provenance",
  "releaseId": "nageko@2.5.0",
  "rightsOwner": "nandarona",
  "review": {
    "status": "human-reviewed",
    "reviewedAt": "2026-07-30",
    "checks": [
      "identity",
      "family distinction",
      "state readability",
      "prohibited elements",
      "source path"
    ]
  },
  "referenceAsset": {
    "publicPath": "/characters/platform/tactile/nageko.png",
    "repositorySource": "assets/characters/tactile/design/nageko-expressions-v1.png"
  },
  "expressionAsset": {
    "repositorySource": "assets/characters/tactile/design/nageko-expressions-v1.png",
    "creationMethod": "OpenAI built-in ImageGen generation from the official Tactile Forms design contract, followed by human visual review",
    "promptContract": {
      "useCase": "stylized-concept",
      "requiredStates": [
        "held",
        "aim",
        "release",
        "spin",
        "impact",
        "landed"
      ],
      "invariants": [
        "三つの異なる大きさの孔を持つ、角の丸いブーメラン状の薄片",
        "軌道孔と着地辺",
        "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": [
        "刃物や武器にしない",
        "自動追尾させない",
        "反射面役にしない",
        "extra characters",
        "watermark"
      ]
    }
  },
  "licenseScope": "Released artifacts are offered under CC BY 4.0; third-party rights and official endorsement are not granted."
}