SERVE_SCOPE
What signing in to tcm servers asks of an account's PDS: service-auth tokens for SERVE_LXM, addressed to
any server (each token names the one it's for).
import { SERVE_LXM } from "#codebase/tcmts/cli/atproto"; export const SERVE_SCOPE = `atproto rpc:${SERVE_LXM}?aud=*`