fix permissions

frontend/src/pages/Ausruestungsanfrage.tsx

@@ -1450,7 +1450,7 @@ export default function Ausruestungsanfrage() {
   const canCreate = hasPermission('ausruestungsanfrage:create_request');
   const canApprove = hasPermission('ausruestungsanfrage:approve');
 
-  const tabCount = 1 + (canCreate ? 1 : 0) + (canApprove ? 1 : 0);
+  const tabCount = (canCreate ? 1 : 0) + (canApprove ? 1 : 0) + (canView ? 1 : 0);
 
   const [activeTab, setActiveTab] = useState(() => {
     const t = Number(searchParams.get('tab'));
@@ -1473,11 +1473,11 @@ export default function Ausruestungsanfrage() {
     let next = 0;
     if (canCreate) { map.meine = next; next++; }
     if (canApprove) { map.alle = next; next++; }
-    map.katalog = next;
+    if (canView) { map.katalog = next; next++; }
     return map;
-  }, [canCreate, canApprove]);
+  }, [canCreate, canApprove, canView]);
 
-  if (!canView) {
+  if (!canView && !canCreate && !canApprove) {
     return (
       <DashboardLayout>
         <Typography>Keine Berechtigung.</Typography>
@@ -1493,13 +1493,13 @@ export default function Ausruestungsanfrage() {
         <Tabs value={activeTab} onChange={handleTabChange} variant="scrollable" scrollButtons="auto">
           {canCreate && <Tab label="Meine Anfragen" />}
           {canApprove && <Tab label="Alle Anfragen" />}
-          <Tab label="Katalog" />
+          {canView && <Tab label="Katalog" />}
         </Tabs>
       </Box>
 
       {canCreate && activeTab === tabIndex.meine && <MeineAnfragenTab />}
       {canApprove && activeTab === tabIndex.alle && <AlleAnfragenTab />}
-      {activeTab === tabIndex.katalog && <KatalogTab />}
+      {canView && activeTab === tabIndex.katalog && <KatalogTab />}
     </DashboardLayout>
   );
 }