Improve UI

frontend/src/components/dashboard/DistributionTab.tsx

@@ -11,6 +11,7 @@ import { useTranslation } from 'react-i18next';
 import { useDistributionOverview } from '../../api/hooks/useEnterpriseDashboard';
 import { useSSEEvents } from '../../hooks/useSSE';
 import StatusCard from '../ui/StatusCard/StatusCard';
+import { useTenantCurrency } from '../../hooks/useTenantCurrency';
 
 interface DistributionTabProps {
   tenantId: string;
@@ -20,6 +21,7 @@ interface DistributionTabProps {
 
 const DistributionTab: React.FC<DistributionTabProps> = ({ tenantId, selectedDate, onDateChange }) => {
   const { t } = useTranslation('dashboard');
+  const { currencySymbol } = useTenantCurrency();
   
   // Get distribution data
   const {
@@ -317,7 +319,7 @@ const DistributionTab: React.FC<DistributionTabProps> = ({ tenantId, selectedDat
             </CardHeader>
             <CardContent>
               <div className="text-3xl font-bold text-[var(--color-info)]">
-                €{optimizationMetrics.fuelSaved.toFixed(2)}
+                {currencySymbol}{optimizationMetrics.fuelSaved.toFixed(2)}
               </div>
               <p className="text-xs text-[var(--text-secondary)] mt-1">
                 {t('enterprise.estimated_fuel_savings')}