Booking flow: required terms and privacy checkbox with i18n

Also includes admin, dashboard, and API updates; PWA icon assets; and
assorted layout and utility changes on dev.

frontend/src/app/(public)/dashboard/components/SecurityTab.tsx

@@ -7,6 +7,7 @@ import Card from '@/components/ui/Card';
 import Button from '@/components/ui/Button';
 import Input from '@/components/ui/Input';
 import { dashboardApi, authApi, UserProfile, UserSession } from '@/lib/api';
+import { parseDate } from '@/lib/utils';
 import toast from 'react-hot-toast';
 
 export default function SecurityTab() {
@@ -147,7 +148,7 @@ export default function SecurityTab() {
   };
 
   const formatDate = (dateStr: string) => {
-    return new Date(dateStr).toLocaleString(language === 'es' ? 'es-ES' : 'en-US', {
+    return parseDate(dateStr).toLocaleString(language === 'es' ? 'es-ES' : 'en-US', {
       year: 'numeric',
       month: 'short',
       day: 'numeric',