Core implementation for the axess library. Session state machine, multi-factor
authentication engine, Cedar Policy evaluation, and pluggable storage backends.
Use the `axess` facade crate unless you need direct access to internals.
//! [`MockRng`] re-export for callers reaching
//! the deterministic-RNG fixture through the `axess-core::testing` umbrella.
pubuseaxess_rng::testing::MockRng;