permission changes

frontend/src/pages/Kalender.tsx

@@ -1135,6 +1135,7 @@ export default function Kalender() {
     user?.groups?.some((g) => WRITE_GROUPS_EVENTS.includes(g)) ?? false;
   const canWriteBookings =
     user?.groups?.some((g) => WRITE_GROUPS_BOOKINGS.includes(g)) ?? false;
+  const canCreateBookings = !!user;
 
   // ── Tab ─────────────────────────────────────────────────────────────────────
   const [activeTab, setActiveTab] = useState(0);
@@ -1386,7 +1387,7 @@ export default function Kalender() {
   };
 
   const handleCellClick = (vehicleId: string, day: Date) => {
-    if (!canWriteBookings) return;
+    if (!canCreateBookings) return;
     setEditingBooking(null);
     setBookingForm({
       ...EMPTY_BOOKING_FORM,
@@ -1866,7 +1867,7 @@ export default function Kalender() {
                 </Button>
               </Box>
 
-              {canWriteBookings && (
+              {canCreateBookings && (
                 <Button
                   variant="contained"
                   startIcon={<Add />}
@@ -1952,9 +1953,9 @@ export default function Kalender() {
                                 }
                                 sx={{
                                   bgcolor: isFree ? 'success.50' : undefined,
-                                  cursor: isFree && canWriteBookings ? 'pointer' : 'default',
+                                  cursor: isFree && canCreateBookings ? 'pointer' : 'default',
                                   '&:hover':
-                                    isFree && canWriteBookings
+                                    isFree && canCreateBookings
                                       ? { bgcolor: 'success.100' }
                                       : {},
                                   p: 0.5,
@@ -2043,7 +2044,7 @@ export default function Kalender() {
             )}
 
             {/* FAB */}
-            {canWriteBookings && (
+            {canCreateBookings && (
               <Fab
                 color="primary"
                 sx={{ position: 'fixed', bottom: 32, right: 32 }}