export const APP_ICON_VARIANTS = [ 'original', 'bright', 'dark', 'colorful', 'high-contrast', 'white-navy', 'white-sky', 'white-rose', 'white-emerald', 'white-amber', 'white-violet', 'rainbow', ] as const; export type AppIconVariant = (typeof APP_ICON_VARIANTS)[number]; export const DEFAULT_APP_ICON_VARIANT: AppIconVariant = 'original'; export function isValidAppIconVariant(value: unknown): value is AppIconVariant { return typeof value === 'string' && (APP_ICON_VARIANTS as readonly string[]).includes(value); } export function resolveAppIconVariant(value: unknown): AppIconVariant { return isValidAppIconVariant(value) ? value : DEFAULT_APP_ICON_VARIANT; }