【反馈】 大佬，支持 多 key 轮询 与 请求延时

一个服务商可以添加多个key，用来轮询

有些服务商有 rpm 限制， 每分钟超过一定的请求会直接掐死， 大佬可以加强一下控制吗

The issue does not name files, tests, or an entry point; start by locating provider configuration and the code that sends provider requests. Determine how multiple keys and per-minute request limits should be represented, then verify that requests rotate across keys and are delayed or limited as requested.

Written by the indexing model from the issue text.