pub fn pin_peer_endpoints(
relay_state: &mut Value,
peer_handle: &str,
endpoints: &[Endpoint],
) -> Result<()>Expand description
Pin a peer’s full set of endpoints into relay_state.json under
peers[handle]. Preserves the v0.5.16-and-earlier relay_url /
slot_id / slot_token top-level fields (pointing at the
federation endpoint) so older code paths and back-compat readers
don’t break. The new endpoints array is additive.