update

frontend/src/pages/Einsaetze.tsx

@@ -49,6 +49,7 @@ import {
   EINSATZ_STATUS_LABELS,
 } from '../services/incidents';
 import CreateEinsatzDialog from '../components/incidents/CreateEinsatzDialog';
+import { useAuth } from '../contexts/AuthContext';
 
 // ---------------------------------------------------------------------------
 // COLOUR MAP for Einsatzart chips
@@ -175,6 +176,10 @@ function StatsSummaryBar({ stats, loading }: StatsSummaryProps) {
 // ---------------------------------------------------------------------------
 function Einsaetze() {
   const navigate = useNavigate();
+  const { user } = useAuth();
+  const canWrite = user?.groups?.some((g: string) =>
+    ['dashboard_admin', 'dashboard_kommando', 'dashboard_gruppenfuehrer'].includes(g)
+  ) ?? false;
 
   // List state
   const [items, setItems] = useState<EinsatzListItem[]>([]);
@@ -220,7 +225,7 @@ function Einsaetze() {
           filters.dateTo = end.toISOString();
         }
       }
-      if (selectedArts.length === 1) filters.einsatzArt = selectedArts[0];
+      if (selectedArts.length >= 1) filters.einsatzArt = selectedArts[0];
 
       const result = await incidentsApi.getAll(filters as Parameters<typeof incidentsApi.getAll>[0]);
       setItems(result.items);
@@ -308,14 +313,16 @@ function Einsaetze() {
                 <Refresh />
               </IconButton>
             </Tooltip>
-            <Button
-              variant="contained"
-              color="primary"
-              startIcon={<AddIcon />}
-              onClick={() => setCreateOpen(true)}
-            >
-              Neuer Einsatz
-            </Button>
+            {canWrite && (
+              <Button
+                variant="contained"
+                color="primary"
+                startIcon={<AddIcon />}
+                onClick={() => setCreateOpen(true)}
+              >
+                Neuer Einsatz
+              </Button>
+            )}
           </Stack>
         </Box>