refactor: expose ETC integration readiness

src/modules/energy/api.ts

@@ -4,6 +4,7 @@ import type {
   HydrogenCustomerRow, HydrogenStationFull,
   ElectricKpi, ElectricDailyRow, ElectricMonthGroup,
   ElectricChargeOrderResponse,
+  EtcOverviewResponse,
   CustomerType, DateQuickPick,
 } from './types';
 
@@ -67,3 +68,7 @@ export function fetchElectricOrders(date: string, customer: CustomerType): Promi
   const q = new URLSearchParams({ date, customer });
   return fetchJson<ElectricChargeOrderResponse>(`${BASE}/electric/orders?${q.toString()}`);
 }
+
+export function fetchEtcOverview(force = false): Promise<EtcOverviewResponse> {
+  return fetchJson<EtcOverviewResponse>(`${BASE}/etc/overview${force ? '?force=1' : ''}`);
+}