fedserv/echo

Author	SHA1	Message	Date
Jean	f5c976eb56	api/gameserv: type email ExpiryTarget and chess Ending as enums (drop stringly returns) All checks were successful CI / check (push) Successful in 3m53s Details	2026-07-17 14:15:39 +00:00
Jean	cfe05481d6	gameserv: model the domain with enums (GameType/Side/Status/Outcome/Board), zero-alloc grid moves All checks were successful CI / check (push) Successful in 3m54s Details	2026-07-17 12:20:26 +00:00
Jean	a7a37d1277	gameserv: server-authoritative ttt/c4/chess referee with ranked ladder All checks were successful CI / check (push) Successful in 3m56s Details	2026-07-17 11:24:13 +00:00