{
  "type": "object",
  "properties": {
    "theme": {
      "type": "string",
      "enum": ["light", "dark", "auto"],
      "default": "auto",
      "description": "User's preferred theme"
    },
    "language": {
      "type": "string",
      "pattern": "^[a-z]{2}(-[A-Z]{2})?$",
      "default": "en",
      "description": "User's preferred language code"
    },
    "notifications": {
      "type": "object",
      "properties": {
        "email": {
          "type": "boolean",
          "default": true
        },
        "push": {
          "type": "boolean",
          "default": false
        },
        "sms": {
          "type": "boolean",
          "default": false
        }
      }
    },
    "privacy": {
      "$ref": "./privacy-settings-schema.json"
    }
  }
}