{
  "schemaVersion": "1.0.0",
  "kind": "nandarona.asset-provenance",
  "releaseId": "watasu@2.2.0",
  "rightsOwner": "nandarona",
  "review": {
    "status": "human-reviewed",
    "reviewedAt": "2026-07-30",
    "checks": [
      "identity",
      "family distinction",
      "state readability",
      "prohibited elements",
      "source path"
    ]
  },
  "referenceAsset": {
    "publicPath": "/characters/platform/tools/watasu.png",
    "repositorySource": "assets/characters/tools/design/watasu-expressions-v2.png"
  },
  "expressionAsset": {
    "repositorySource": "assets/characters/tools/design/watasu-expressions-v2.png",
    "creationMethod": "OpenAI built-in ImageGen generation from the official Between Tools design contract, followed by human visual review",
    "promptContract": {
      "useCase": "stylized-concept",
      "requiredStates": [
        "idle",
        "receive",
        "hold",
        "glide",
        "handoff",
        "confirm"
      ],
      "invariants": [
        "二つの小さな表示灯を持つ浅い小舟",
        "折り畳みトレイ",
        "preserve mouthless identity, the individual slit, dot, lens, line, or indicator signal, and the abstract everyday-tool silhouette",
        "states must differ through structural action rather than recoloring"
      ],
      "avoid": [
        "生体器官や内臓のように描かない",
        "全個体へ同じ大きな二つ目を追加しない",
        "色替えだけで別個体にしない",
        "extra characters",
        "watermark"
      ]
    }
  },
  "licenseScope": "Released artifacts are offered under CC BY 4.0; third-party rights and official endorsement are not granted."
}