feat(energy): integrate self-operated station customers and receipts

Co-authored-by: HiFox Agent <agents-noreply@hifox.com>

src/modules/energy/types.ts

@@ -185,6 +185,13 @@ export interface HydrogenStationBoardResponse {
   selected: {
     daily: HydrogenStationBoardDailyRow[];
     customerMonths: HydrogenStationBoardCustomerMonth[];
+    externalCustomerMonths?: HydrogenStationBoardCustomerMonth[];
+    externalReceipts?: {
+      scope: 'customer';
+      reason?: string;
+      rows: Array<{ id: string; date: string; customerName: string; amount: number;
+        payMethod: string; source: string; sourceRecordCount: number; updatedAt: string | null }>;
+    };
   } | null;
 }