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

frontend/src/components/contacts/ContactDetail.tsx

@@ -161,6 +161,13 @@ export function ContactDetail({ contact, loading, onEdit, onDeleted }: ContactDe
   const toast = useToast();
   const deleteMutation = useDeleteUnifiedContact();
   const { hasPermission, hasFieldAccess } = 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 createPersonMutation = useCreateContactPerson();
   const updatePersonMutation = useUpdateContactPerson();
   const deletePersonMutation = useDeleteContactPerson();
@@ -294,10 +301,10 @@ export function ContactDetail({ contact, loading, onEdit, onDeleted }: ContactDe
           </div>
         </div>
         <div className="flex items-center gap-2 flex-shrink-0">
-          {hasPermission('contacts:write') && onEdit && (
+          {canAccess('contacts:write') && onEdit && (
             <Button variant="ghost" size="sm" onClick={onEdit}>{t('common.edit')}</Button>
           )}
-          {hasPermission('contacts:delete') && (
+          {canAccess('contacts:delete') && (
             <Button variant="ghost" size="sm" onClick={handleDelete} isLoading={deleteMutation.isPending}>{t('common.delete')}</Button>
           )}
         </div>