resolve issues with new features

frontend/src/pages/Mitglieder.tsx

@@ -7,7 +7,6 @@ import {
   InputAdornment,
   Chip,
   Avatar,
-  Fab,
   Tooltip,
   Alert,
   CircularProgress,
@@ -33,7 +32,7 @@ import {
 } from '@mui/icons-material';
 import { useNavigate } from 'react-router-dom';
 import DashboardLayout from '../components/dashboard/DashboardLayout';
-import { useLayout } from '../contexts/LayoutContext';
+import ChatAwareFab from '../components/shared/ChatAwareFab';
 import { useAuth } from '../contexts/AuthContext';
 import { membersService } from '../services/members';
 import {
@@ -74,8 +73,7 @@ function useDebounce<T>(value: T, delay: number): T {
 // ----------------------------------------------------------------
 function Mitglieder() {
   const navigate = useNavigate();
-  const { user } = useAuth();
-  const { chatPanelOpen } = useLayout();  const canWrite = useCanWrite();
+  const { user } = useAuth();  const canWrite = useCanWrite();
 
   // --- redirect non-admin/non-kommando users to their own profile ---
   useEffect(() => {
@@ -428,20 +426,13 @@ function Mitglieder() {
       {/* FAB — only visible to Kommandant/Admin */}
       {canWrite && (
         <Tooltip title="Neues Mitglied anlegen">
-          <Fab
-            color="primary"
+          <ChatAwareFab
             aria-label="Neues Mitglied anlegen"
             onClick={() => navigate('/mitglieder/neu')}
-            sx={{
-              position: 'fixed',
-              bottom: 32,
-              right: chatPanelOpen ? 376 : 80,
-              transition: 'right 225ms cubic-bezier(0.4, 0, 0.6, 1)',
-              zIndex: (theme) => theme.zIndex.speedDial,
-            }}
+            sx={{ zIndex: (theme) => theme.zIndex.speedDial }}
           >
             <AddIcon />
-          </Fab>
+          </ChatAwareFab>
         </Tooltip>
       )}
     </DashboardLayout>