Every tier a member holds is an account keyed by creator, subscriber and tier. Bots, dashboards and third-party apps all read the same record — there is no internal database to fall out of sync with.
Full account layout in the docs →The bot issues a single-use invite once the first charge clears, then removes the role when the paid period ends. It re-syncs on a schedule, so a mid-cycle revoke never leaves a free rider behind.