{
  "schemaVersion": "1.0.0",
  "kind": "nandarona.asset-provenance",
  "releaseId": "oshitane@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/oshitane.png",
    "repositorySource": "assets/characters/input/design/oshitane-expressions-v1.png"
  },
  "expressionAsset": {
    "repositorySource": "assets/characters/input/design/oshitane-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": [
        "ready",
        "touch",
        "press-half",
        "accepted",
        "release",
        "ready-again"
      ],
      "invariants": [
        "低い非対称の丸台と中央に一つだけある深い押し窪み",
        "押し窪みと確認底。片側へ埋め込まれた一つの小さな蓋付きレンズ。底の三つの短いばね足で一度だけ跳ねて着地する",
        "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": [
        "特定ボタン文字を付けない",
        "押しっぱなしを連続入力にしない",
        "受付前に成立表示しない",
        "extra characters",
        "watermark"
      ]
    }
  },
  "licenseScope": "Released artifacts are offered under CC BY 4.0; third-party rights and official endorsement are not granted."
}