{
  "job_id": "11111111-1111-4111-8111-111111111111",
  "lease_id": "22222222-2222-4222-8222-222222222222",
  "request_digest": "aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa",
  "request": {
    "schema_version": 1,
    "inputs": [],
    "operation": {
      "scene": {
        "type": "rotary_kiln",
        "title": "60 m 水泥回转窑",
        "kiln": {
          "length_m": 60,
          "outer_diameter_m": 4,
          "shell_thickness_m": 0.04,
          "lining_thickness_m": 0.2,
          "slope_percent": 3.5,
          "support_stations": 3,
          "rotational_speed_rpm": 3
        },
        "components": {
          "drive_system": true,
          "burner": true,
          "hoods": true,
          "inspection_platform": true,
          "material_bed": true
        },
        "appearance": {
          "shell_color": "#707780",
          "metal_color": "#303840",
          "lining_color": "#B56A3B",
          "material_color": "#E35D20",
          "background_color": "#20252B"
        },
        "render": {
          "width": 960,
          "height": 540,
          "transparent_background": false,
          "view": "isometric"
        }
      }
    },
    "outputs": [
      {"key": "scene_glb", "type": "model", "format": "glb"}
    ]
  }
}