SEO: robots.txt, sitemap, Organization & Event schema; dashboard fmtTime fix; frontend updates

Co-authored-by: Cursor <cursoragent@cursor.com>

frontend/src/app/linktree/page.tsx

@@ -4,7 +4,7 @@ import { useState, useEffect } from 'react';
 import Link from 'next/link';
 import { useLanguage } from '@/context/LanguageContext';
 import { eventsApi, Event } from '@/lib/api';
-import { formatPrice } from '@/lib/utils';
+import { formatPrice, formatDateShort, formatTime } from '@/lib/utils';
 import { 
   CalendarIcon, 
   MapPinIcon,
@@ -29,20 +29,8 @@ export default function LinktreePage() {
       .finally(() => setLoading(false));
   }, []);
 
-  const formatDate = (dateStr: string) => {
-    return new Date(dateStr).toLocaleDateString(locale === 'es' ? 'es-ES' : 'en-US', {
-      weekday: 'short',
-      month: 'short',
-      day: 'numeric',
-    });
-  };
-
-  const formatTime = (dateStr: string) => {
-    return new Date(dateStr).toLocaleTimeString(locale === 'es' ? 'es-ES' : 'en-US', {
-      hour: '2-digit',
-      minute: '2-digit',
-    });
-  };
+  const formatDate = (dateStr: string) => formatDateShort(dateStr, locale as 'en' | 'es');
+  const fmtTime = (dateStr: string) => formatTime(dateStr, locale as 'en' | 'es');
 
   // Handle both full URLs and handles
   const instagramUrl = instagramHandle 
@@ -89,7 +77,7 @@ export default function LinktreePage() {
                 <div className="mt-3 space-y-2">
                   <div className="flex items-center gap-2 text-gray-300 text-sm">
                     <CalendarIcon className="w-4 h-4 text-primary-yellow flex-shrink-0" />
-                    <span>{formatDate(nextEvent.startDatetime)} • {formatTime(nextEvent.startDatetime)}</span>
+                    <span>{formatDate(nextEvent.startDatetime)} • {fmtTime(nextEvent.startDatetime)}</span>
                   </div>
                   <div className="flex items-center gap-2 text-gray-300 text-sm">
                     <MapPinIcon className="w-4 h-4 text-primary-yellow flex-shrink-0" />