fix: remove TopBar quick-create button + canAccess fallback in ContactDetail + ContactDetailPage + ContactsList + duplicate import fix

frontend/src/pages/ContactsList.tsx

@@ -36,12 +36,20 @@ import {
 import { useContactFolders } from '@/api/contacts';
 import { useCustomFieldDefinitions } from '@/api/customFieldDefinitions';
 import { usePermission } from '@/hooks/usePermission';
+import { useAuthStore } from '@/store/authStore';
 
 const PAGE_SIZE = 25;
 
 export function ContactsListPage() {
   const { t } = useTranslation();
   const { hasPermission } = usePermission();
+  const authUser = useAuthStore((state) => state.user);
+  const canAccess = (perm: string): boolean => {
+    if (authUser?.is_system_admin) return true;
+    const perms = authUser?.permissions || [];
+    if (perms.length === 0) return true;
+    return hasPermission(perm);
+  };
 
   const [selectedFilter, setSelectedFilter] = useState<ContactFilter>('all');
   const [search, setSearch] = useState('');
@@ -358,7 +366,7 @@ export function ContactsListPage() {
   useEffect(() => {
     const items = [
       // New contact — ganz links
-      ...(hasPermission('contacts:write') ? [{
+      ...(canAccess('contacts:write') ? [{
         id: 'new',
         plugin: 'contacts',
         label: t('contacts.create'),
@@ -457,7 +465,7 @@ export function ContactsListPage() {
         onClick: () => setSavedFiltersOpen(true),
       },
       // Print — icon only, right side
-      ...(hasPermission('contacts:read') ? [{
+      ...(canAccess('contacts:read') ? [{
         id: 'print',
         plugin: 'contacts',
         label: t('common.print', 'Drucken'),