{
  "camera": [
    0,
    2.3,
    9
  ],
  "near": 0.1,
  "far": 30,
  "objects": [
    {
      "name": "foreground ring",
      "z": 2
    },
    {
      "name": "column",
      "z": 0.2
    },
    {
      "name": "sign",
      "z": -2.2
    }
  ],
  "identity": "native Three.js geometry reference, not AI depth"
}