fix: clearer no-perm message with bound roles

jituan/services/kefu_menu.py

@@ -9,6 +9,7 @@ from jituan.services.admin_context import (
     can_manage_admin_assignments,
     is_system_super_admin,
 )
+from jituan.services.club_rbac import user_bound_role_names
 from jituan.services.kefu_menu_definitions import KEFU_MENU_ROW_DEFS
 
 logger = logging.getLogger(__name__)
@@ -132,6 +133,7 @@ def build_menu_access_payload(request, username=None):
         'visible_page_ids': sorted(set(visible_ids)),
         'visible_paths': visible_paths,
         'permission_codes': _permission_codes_list(permissions),
+        'role_names': user_bound_role_names(request.user),
         'can_switch_club': bool(club_ctx.get('can_switch_club')),
         'is_group_admin': bool(club_ctx.get('is_group_admin')),
         'menu_ready': True,