API 弃用通知

sequenceDiagram
    participant Team as API team
    participant Docs as Changelog
    participant Consumer as API consumer
    participant Gateway

    Team->>Docs: Publish deprecation notice
    Team->>Gateway: Add Sunset header to responses
    Gateway-->>Consumer: Response with Sunset header
    Consumer->>Team: Ask about migration path
    Team-->>Consumer: Share migration guide
    Consumer->>Gateway: Switch to new endpoint