improvement: billing and report tabs turned invisible. removed from permissions dialog too. this is temporary.

frontend/src/components/ui/shared/Sidebar.tsx

@@ -27,6 +27,7 @@ import {
   canViewTasks,
   canViewTab,
 } from '@/components/shared/permissions';
+import { isHiddenTabPath } from '@/components/shared/hidden-tabs';
 import {
   counterpartOrganizationType,
   organizationTypeIcon,
@@ -82,6 +83,9 @@ function Sidebar({ mobileOpen = false, onClose }: SidebarProps) {
   const visibleMenu = useMemo(
     () =>
       menu.filter((item) => {
+        if (isHiddenTabPath(item.path)) {
+          return false;
+        }
         if (!orgType || !item.orgTypes.includes(orgType)) {
           return false;
         }

frontend/src/components/ui/staff/StaffPage.tsx

@@ -9,6 +9,7 @@ import {
   canEditStaff,
   canViewStaff,
 } from '@/components/shared/permissions';
+import { preserveHiddenTabPermissions } from '@/components/shared/hidden-tabs';
 import {
   permissionNamesFromFeatureState,
   emptyFeaturePermissionState,
@@ -464,7 +465,10 @@ export function StaffPage() {
 
       await staffApi.updateMember(editing.id, {
         name: editName.trim(),
-        permissionNames: permissionNamesFromFeatureState(editPerms),
+        permissionNames: preserveHiddenTabPermissions(
+          permissionNamesFromFeatureState(editPerms),
+          editing.permissions,
+        ),
       });
 
       toast.showSuccess(t('successMemberUpdated'));