{
  "schemaVersion": "1.0.0",
  "kind": "nandarona.asset-provenance",
  "releaseId": "yobishiro@2.7.0",
  "rightsOwner": "nandarona",
  "review": {
    "status": "human-reviewed",
    "reviewedAt": "2026-07-30",
    "checks": [
      "identity",
      "family distinction",
      "state readability",
      "prohibited elements",
      "source path"
    ]
  },
  "referenceAsset": {
    "publicPath": "/characters/platform/encounter/yobishiro.png",
    "repositorySource": "assets/characters/encounter/design/yobishiro-expressions-v1.png"
  },
  "expressionAsset": {
    "repositorySource": "assets/characters/encounter/design/yobishiro-expressions-v1.png",
    "creationMethod": "OpenAI built-in ImageGen generation from the official Encounter Signals design contract, followed by human visual review",
    "promptContract": {
      "useCase": "stylized-concept",
      "requiredStates": [
        "two-slots",
        "choose-slot",
        "open-slot",
        "call-one",
        "one-slot-left",
        "both-closed"
      ],
      "invariants": [
        "高さの違う二つの中空槽を斜めの橋でつないだ非対称体",
        "呼出し槽と残数栓",
        "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": [
        "召喚対象の種族を公式固定しない",
        "無制限に呼び続けない",
        "菱形吸引ゲートにしない",
        "extra characters",
        "watermark"
      ]
    }
  },
  "licenseScope": "Released artifacts are offered under CC BY 4.0; third-party rights and official endorsement are not granted."
}