{
  "type": "object",
  "properties": {
    "characters": {
      "type": "array",
      "items": {
        "type": "object",
        "properties": {
          "name": {"type": "string", "description": "인물 이름"},
          "appearance_count": {"type": "integer", "description": "시각적 출현 횟수"}
        },
        "required": ["name", "appearance_count"],
        "additionalProperties": false
      }
    }
  },
  "required": ["characters"],
  "additionalProperties": false
}