type ClassValue = string | false | null | undefined; export function cx(...classes: ClassValue[]): string {  return classes.filter(Boolean).join(" ");} /** * The one form-label style. Sentence case at body size, no uppercase and no * letter-spacing: ChatGPT labels its fields the way it writes everything else, * and micro-caps read as chrome shouting at the value underneath. * * Every label-bearing control (FormField, Input, Select, ColorField) must use * this — divergent label styling is what made the same form look like three * different apps. */export const FIELD_LABEL_CLASS =  "mb-1.5 block text-[length:var(--fs-base)] font-medium text-(--ui-fg)" as const;