//! Daemon-side library code: cleanup sweeper, nickname dedup saga,
//! auto-room saga, and the on-disk event persister.
//!
//! `link()` is called from the bin to ensure the `inventory` registrations
//! generated by `#[myko_saga]` / `#[myko_command]` survive dead-code
//! elimination. Message delivery itself is handled directly by the
//! `marshal_entities::SendMessage` and `marshal_entities::BroadcastMessage`
//! commands — there's no saga in the critical path for delivery.