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/TicketsTab.tsx

@@ -5,6 +5,7 @@ import Link from 'next/link';
 import Card from '@/components/ui/Card';
 import Button from '@/components/ui/Button';
 import { UserTicket } from '@/lib/api';
+import { parseDate } from '@/lib/utils';
 
 interface TicketsTabProps {
   tickets: UserTicket[];
@@ -26,7 +27,7 @@ export default function TicketsTab({ tickets, language }: TicketsTabProps) {
   });
 
   const formatDate = (dateStr: string) => {
-    return new Date(dateStr).toLocaleDateString(language === 'es' ? 'es-ES' : 'en-US', {
+    return parseDate(dateStr).toLocaleDateString(language === 'es' ? 'es-ES' : 'en-US', {
       year: 'numeric',
       month: 'short',
       day: 'numeric',