feat(email-validation): implement email verification checks for booking creation and resend functionality

apps/frontend/src/features/booking/booking.tsx

@@ -1,5 +1,8 @@
 import { useIsMobile } from '@/hooks/use-mobile';
+import { authClient } from '@/lib/api-client';
+import { useAuth } from '@/lib/auth';
 import type { ComplexWithRole } from '@repo/api-contract';
+import { useState } from 'react';
 import { BookingProvider } from './booking-provider';
 import { BookingCreateDialog } from './components/booking-create-dialog';
 import { BookingDaySummary, BookingQuickActions } from './components/booking-day-summary';
@@ -15,9 +18,44 @@ interface BookingProps {
 
 export function Booking({ complex }: BookingProps) {
   const isMobile = useIsMobile();
+  const { user } = useAuth();
+  const [sending, setSending] = useState(false);
+  const [emailSent, setEmailSent] = useState(false);
+
+  const emailNotVerified = user && !user.emailVerified;
+
+  const handleResendVerification = async () => {
+    if (!user?.email || sending) return;
+    setSending(true);
+    try {
+      await authClient.sendVerificationEmail({ email: user.email });
+      setEmailSent(true);
+      setTimeout(() => setEmailSent(false), 6000);
+    } catch {
+      // Silently fail — the banner already shows the email to contact
+    } finally {
+      setSending(false);
+    }
+  };
 
   return (
     <BookingProvider complex={complex}>
+      {emailNotVerified && (
+        <div className="mb-6 flex items-center justify-between gap-4 rounded-xl border border-amber-200 bg-amber-50 px-4 py-3 text-sm text-amber-800 dark:border-amber-800/30 dark:bg-amber-950/30 dark:text-amber-200">
+          <span>
+            No verificaste tu email. Para crear reservas necesitás verificar tu dirección de correo
+            electrónico.
+          </span>
+          <button
+            type="button"
+            onClick={handleResendVerification}
+            disabled={sending}
+            className="shrink-0 rounded-lg bg-amber-200 px-3 py-1.5 text-xs font-medium text-amber-900 transition-colors hover:bg-amber-300 disabled:opacity-50 dark:bg-amber-800 dark:text-amber-50 dark:hover:bg-amber-700"
+          >
+            {sending ? 'Enviando...' : emailSent ? '¡Email enviado!' : 'Reenviar email'}
+          </button>
+        </div>
+      )}
       {isMobile ? (
         <BookingMobile />
       ) : (