{
  "schemaVersion": "1.0.0",
  "kind": "nandarona.asset-provenance",
  "releaseId": "hyoshino@2.9.0",
  "rightsOwner": "nandarona",
  "review": {
    "status": "human-reviewed",
    "reviewedAt": "2026-07-30",
    "checks": [
      "identity",
      "family distinction",
      "state readability",
      "prohibited elements",
      "source path"
    ]
  },
  "referenceAsset": {
    "publicPath": "/characters/platform/input/hyoshino.png",
    "repositorySource": "assets/characters/input/design/hyoshino-expressions-v1.png"
  },
  "expressionAsset": {
    "repositorySource": "assets/characters/input/design/hyoshino-expressions-v1.png",
    "creationMethod": "OpenAI built-in ImageGen generation from the official Input Gestures design contract, followed by human visual review",
    "promptContract": {
      "useCase": "stylized-concept",
      "requiredStates": [
        "beat-far",
        "beat-approach",
        "early-zone",
        "accept-zone",
        "late-zone",
        "next-beat"
      ],
      "invariants": [
        "高さと間隔の異なる四枚の縦拍節と一本の水平基準線",
        "拍節と受付幅。中央の受付節に一つだけある半月形の拍眼。四枚の拍節を脚として一定ではない間隔で軽く刻み歩く",
        "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": [
        "音声だけに依存しない",
        "一フレーム窓にしない",
        "早遅を色だけで示さない",
        "extra characters",
        "watermark"
      ]
    }
  },
  "licenseScope": "Released artifacts are offered under CC BY 4.0; third-party rights and official endorsement are not granted."
}