本次更新支持在前端主动关闭 C2 功能。无需仅依赖后端或配置，用户可在界面中自行关闭 C2，便于按需控制能力与合规场景下的使用。
This update lets you turn off C2 from the frontend. You no longer have to rely only on backend or static configuration—you can disable C2 in the UI when you need tighter control or to meet compliance requirements.