{
  "schemaVersion": "1.0.0",
  "kind": "nandarona.asset-provenance",
  "releaseId": "tamariya@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/tamariya.png",
    "repositorySource": "assets/characters/encounter/design/tamariya-expressions-v1.png"
  },
  "expressionAsset": {
    "repositorySource": "assets/characters/encounter/design/tamariya-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": [
        "empty",
        "layer-one",
        "layer-two",
        "full",
        "burst-open",
        "drained"
      ],
      "invariants": [
        "上が開いた中空の台形体と、内部へ収まる三枚の水平蓄積板",
        "蓄積窓と三段の厚み",
        "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": [
        "気圧膜にしない",
        "常時爆発させない",
        "蓄積段階を光量だけで示さない",
        "extra characters",
        "watermark"
      ]
    }
  },
  "licenseScope": "Released artifacts are offered under CC BY 4.0; third-party rights and official endorsement are not granted."
}