{ "$schema": "http://json-schema.org/draft-07/schema#",
  "title": "SceneDescription",
  "type": "object",
  "required": ["song", "beat", "lyric_line", "scene"],
  "properties": {
    "song": {
      "type": "string",
      "minLength": 1
    },
    "beat": {
      "type": "integer",
      "minimum": 0
    },
    "lyric_line": {
      "type": "string",
      "minLength": 1
    },
    "scene": {
      "type": "object",
      "required": ["mood", "colors", "composition", "camera", "description"],
      "properties": {
        "mood": { "type": "string", "minLength": 1 },
        "colors": {
          "type": "array",
          "items": { "type": "string" },
          "minItems": 1
        },
        "composition": { "type": "string", "minLength": 1 },
        "camera": { "type": "string", "minLength": 1 },
        "description": { "type": "string", "minLength": 1 }
      }
    }
  }
}