sm121/launcher

作者	SHA1 備註	提交日期
Alexander Korolev	09841103d8 fix: default DistributedBackend to None_ (absent means single-node)	4 月之前
Alexander Korolev	a9a35440a0 chore: cleanup recipes	4 月之前
Alexander Korolev	8db6d414a3 refactor: comprehensive rewrite — concurrent SSH, labels, config-driven clusters, host key verification	6 月之前