{
  "type": "number",
  "key": "app_backdrop_darken_default",
  "constant": "APP_BACKDROP_DARKEN_DEFAULT",
  "description": "Default backdrop darken overlay in percent (0–100)",
  "required": true,
  "placeholder": "0",
  "validation": "required|integer|min:0|max:100",
  "options": [],
  "category": "app",
  "sensitive": false
}