import { apiGet } from "@/api/client";

export interface UiSystemResponse {
  design_system_id: number | null;
  title: string | null;
}

/** The design system this install says its own UI is built from.
 *
 *  Both nulls means none designated — the normal state for a fresh install, not
 *  an error; the caller shows an explanatory empty state. An id with a null
 *  title means designated but deleted or unreadable, which is a
 *  misconfiguration and must not be rendered as "none". */
export const fetchUiDesignSystem = () =>
  apiGet<UiSystemResponse>("/api/design/ui-system");