feat(security): add role codes to LoginUser info and provide utility methods

hsy

2026-08-18 cea2f5013782770a2cc99cc89b14cf5c2869bca5

 yudao-module-system/src/main/java/cn/iocoder/yudao/module/system/controller/admin/oauth2/OAuth2UserController.http

@@ -10,5 +10,5 @@
tenant-id: {{adminTenantId}}

{
  "nickname": "芋道源码"
  "nickname": "超级管理员"
}