complete new audit system

frontend/src/pages/contracts/ContractCockpit.tsx

@@ -36,6 +36,7 @@ import {
   ExternalLink,
   CheckCircle2,
 } from 'lucide-react';
+import { formatDate } from '../../utils/dateFormat';
 import type { CockpitContract, CockpitUrgencyLevel, ContractType } from '../../types';
 
 const typeIcons: Record<ContractType, typeof Zap> = {
@@ -570,7 +571,7 @@ export default function ContractCockpit() {
                     </Badge>
                   )}
                   <p className="text-xs text-gray-500 mt-1">
-                    {new Date(alert.expiryDate).toLocaleDateString('de-DE')}
+                    {formatDate(alert.expiryDate)}
                   </p>
                 </div>
               </div>
@@ -623,7 +624,7 @@ export default function ContractCockpit() {
                     </div>
                     <p className="text-xs text-gray-600">
                       Zähler {reading.meter.meterNumber} – <strong>{reading.value} {reading.unit}</strong> am{' '}
-                      {new Date(reading.readingDate).toLocaleDateString('de-DE')}
+                      {formatDate(reading.readingDate)}
                       {reading.notes && ` – ${reading.notes}`}
                     </p>
                   </div>