import { useQuery } from '@tanstack/react-query' import { devicesApi } from '../lib/auth' interface DashboardStats { devicesOnline: number devicesOffline: number capturesToday: number devicesTotal: number } export function useDashboardStats() { return useQuery({ queryKey: ['dashboard-stats'], queryFn: () => devicesApi.stats(), refetchInterval: 30_000, }) }