proposal-system/web/src/domain/sites/use-cases.ts

// Sites domain — TanStack Query hooks + query keys (the only public surface).
import { useQuery } from '@tanstack/react-query';
import { sitesApi } from './api';

export const sitesKeys = {
  all: ['sites'] as const,
  search: (query: string) => [...sitesKeys.all, 'search', query] as const,
};

/** Site autocomplete (ProposalFormPage). Call with the debounced input;
 *  disabled below 2 characters, matching current page behavior. */
export function useSiteSearch(query: string) {
  return useQuery({
    queryKey: sitesKeys.search(query),
    queryFn: () => sitesApi.search(query),
    enabled: query.trim().length >= 2,
  });
}