Fix CustomerType and OwnerType enums: send int instead of string

- CustomerType: PERSONAL=0, FAMILY=1 (was 'Personal', 'Family')
- OwnerType: PERSON=0, REAL_ESTATE_AGENCY=1 (was 'peerson', 'RealEstateAgency')
- Backend Type column is int(11), sending strings caused 415 errors

app/owner/calendar/page.js

@@ -36,6 +36,7 @@ import {
   Calendar as CalendarIcon
 } from 'lucide-react';
 import toast, { Toaster } from 'react-hot-toast';
+import AuthService from '../../../services/AuthService';
 
 const MonthlyCalendar = ({ properties, selectedPropertyId, onDateClick, onPropertySelect }) => {
   const [currentMonth, setCurrentMonth] = useState(new Date());
@@ -484,8 +485,8 @@ export default function OwnerCalendarPage() {
 
   useEffect(() => {
     const storedUser = localStorage.getItem('user');
-    if (storedUser) {
-      const userData = JSON.parse(storedUser);
+    // User loaded via AuthService
+      // Handled above
       if (userData.role !== 'owner') {
         router.push('/');
       } else {