[tiny] migrate /get_server_info; print accept length in accuracy tests - #22282

[tiny] migrate /get_server_info; print accept length in accuracy tests#22282

hnyls2002 merged 4 commits into

mainsgl-project/sglang:mainfrom

lsyin/migrate-get-server-infosgl-project/sglang:lsyin/migrate-get-server-infoCopy head branch name to clipboard