{
  "type": "select",
  "key": "auth_form_density",
  "constant": "AUTH_FORM_DENSITY",
  "description": "Vertical spacing on auth forms: comfortable (roomy), compact (default), or dense (minimal scroll).",
  "required": true,
  "placeholder": "compact",
  "validation": "required|string|max:32",
  "options": [
    "comfortable",
    "compact",
    "dense"
  ],
  "category": "auth_page",
  "sensitive": false
}