social.coves.community.post.getStatus

Get one community's admission decision about one post. Intentionally UNAUTHENTICATED: the caller with the strongest need is an author on another server whose post is pending on this host, and they have no account here to authenticate with. It is also the only way a rejection is reachable at all - a submission refused before it was ever accepted writes no community record, so there is no repository record and no firehose event carrying it, and without this endpoint an author whose post vanished could never learn that it was refused or why. The accepted cost is that anyone who can name a post AT-URI learns its status in a community. Both parameters are required: a post carries independent decisions from several communities, so there is no single status of a post.