//! Host-side snapshot backup and same-release recovery for Internet Computer canisters.
//!
//! The library provides artifact checksums, no-follow traversal and staging,
//! verified durable directory publication, bounded JSON persistence and journal
//! locking. These local mechanisms do not authorize canister effects.
//!
//! Applications own membership, release identity, control routing, quiescence
//! and external-effect settlement. Capture/restore runners and an IC transport
//! have not been extracted yet. Filesystem access and credentials remain on the
//! operator host.