POST /api/teams.parent is an optional team ref (+slug, bare slug, or a team UUID); when present the newkb_teams_parents and the caller must be owner/maintainer onparents is the several-parent form (team DAG doors D4): each is checked exactly asparent is. Send one or the other, not both. auto_join_role is admin-gated.{
"auto_join_role": "owner",
"name": "string",
"parent": "string",
"parents": [
"string"
],
"slug": "string"
}