update

frontend/src/pages/BestellungDetail.tsx

@@ -47,6 +47,7 @@ import {
 import { useQuery, useMutation, useQueryClient } from '@tanstack/react-query';
 import { useParams, useNavigate } from 'react-router-dom';
 import DashboardLayout from '../components/dashboard/DashboardLayout';
+import GermanDateField from '../components/shared/GermanDateField';
 import { useNotification } from '../contexts/NotificationContext';
 import { usePermissionContext } from '../contexts/PermissionContext';
 import { bestellungApi } from '../services/bestellung';
@@ -417,11 +418,11 @@ export default function BestellungDetail() {
       curY += 3;
     }
 
-    // ── Besteller block ──
+    // ── Kontaktperson (Besteller) block ──
     if (bestellung.besteller_name) {
       doc.setFontSize(10);
       doc.setFont('helvetica', 'bold');
-      doc.text('Besteller', 10, curY);
+      doc.text('Kontaktperson', 10, curY);
       curY += 5;
       const nameWithRank = bestellung.besteller_dienstgrad
         ? `${kurzDienstgrad(bestellung.besteller_dienstgrad)} ${bestellung.besteller_name}`
@@ -1012,13 +1013,11 @@ export default function BestellungDetail() {
         {/* Inline Add Reminder Form */}
         {reminderFormOpen && (
           <Box sx={{ display: 'flex', gap: 1, mt: 2, alignItems: 'flex-end' }}>
-            <TextField
+            <GermanDateField
               size="small"
-              type="date"
               label="Fällig am"
-              InputLabelProps={{ shrink: true }}
               value={reminderForm.faellig_am}
-              onChange={(e) => setReminderForm((f) => ({ ...f, faellig_am: e.target.value }))}
+              onChange={(iso) => setReminderForm((f) => ({ ...f, faellig_am: iso }))}
             />
             <TextField
               size="small"