update

frontend/src/pages/Veranstaltungen.tsx

@@ -52,6 +52,7 @@ import {
 } from '@mui/icons-material';
 import DashboardLayout from '../components/dashboard/DashboardLayout';
 import ChatAwareFab from '../components/shared/ChatAwareFab';
+import GermanDateField from '../components/shared/GermanDateField';
 import { toGermanDate, toGermanDateTime, fromGermanDate, fromGermanDateTime } from '../utils/dateInput';
 import { usePermissionContext } from '../contexts/PermissionContext';
 import { useNotification } from '../contexts/NotificationContext';
@@ -1016,16 +1017,15 @@ function EventFormDialog({
                     </FormControl>
                   )}
 
-                  <TextField
+                  <GermanDateField
                     label="Wiederholen bis"
-                    type="date"
                     size="small"
+                    mode="date"
                     value={form.wiederholung.bis}
-                    onChange={(e) => {
-                      const w = { ...form.wiederholung!, bis: e.target.value };
+                    onChange={(iso) => {
+                      const w = { ...form.wiederholung!, bis: iso };
                       handleChange('wiederholung', w);
                     }}
-                    InputLabelProps={{ shrink: true }}
                     fullWidth
                     helperText="Enddatum der Wiederholungsserie"
                   />