resolve issues with new features

frontend/src/pages/Veranstaltungen.tsx

@@ -23,7 +23,6 @@ import {
   Switch,
   Checkbox,
   FormGroup,
-  Fab,
   Stack,
   List,
   ListItem,
@@ -51,7 +50,7 @@ import {
   Delete as DeleteIcon,
 } from '@mui/icons-material';
 import DashboardLayout from '../components/dashboard/DashboardLayout';
-import { useLayout } from '../contexts/LayoutContext';
+import ChatAwareFab from '../components/shared/ChatAwareFab';
 import { toGermanDate, toGermanDateTime, fromGermanDate, fromGermanDateTime } from '../utils/dateInput';
 import { useAuth } from '../contexts/AuthContext';
 import { useNotification } from '../contexts/NotificationContext';
@@ -1005,7 +1004,6 @@ function EventListView({ events, canWrite, onEdit, onCancel, onDelete }: ListVie
 
 export default function Veranstaltungen() {
   const { user } = useAuth();
-  const { chatPanelOpen } = useLayout();
   const notification = useNotification();
   const theme = useTheme();
   const isMobile = useMediaQuery(theme.breakpoints.down('sm'));
@@ -1316,14 +1314,12 @@ export default function Veranstaltungen() {
 
         {/* FAB for creating events */}
         {canWrite && (
-          <Fab
-            color="primary"
+          <ChatAwareFab
             aria-label="Veranstaltung erstellen"
-            sx={{ position: 'fixed', bottom: 32, right: chatPanelOpen ? 376 : 80, transition: 'right 225ms cubic-bezier(0.4, 0, 0.6, 1)' }}
             onClick={() => { setEditingEvent(null); setFormOpen(true); }}
           >
             <Add />
-          </Fab>
+          </ChatAwareFab>
         )}
 
         {/* Day Popover */}