UAT fixes and enhancements

apps/edr-passenger-api/src/modules/currencies/currencies.service.ts

@@ -16,7 +16,19 @@ export class CurrenciesService {
       orderBy: { toCurrency: 'asc' },
     });
 
-    return rates.map(rate => ({
+    const base = {
+      id: 'etb-base',
+      code: 'ETB',
+      name: 'Ethiopian Birr',
+      symbol: 'Br',
+      baseCurrencyCode: 'ETB',
+      exchangeRate: 1,
+      isActive: true,
+      createdAt: new Date(),
+      updatedAt: new Date(),
+    };
+
+    return [base, ...rates.map(rate => ({
       id: rate.id,
       code: rate.toCurrency,
       name: this.getCurrencyName(rate.toCurrency),
@@ -26,7 +38,7 @@ export class CurrenciesService {
       isActive: true,
       createdAt: rate.createdAt,
       updatedAt: rate.createdAt,
-    }));
+    }))];
   }
 
   async createCurrency(dto: CreateCurrencyDto) {