Module transaction 

Shared live optimistic transaction state; host runtimes own durable publication.

Re-exports

pub use snapshot::Snapshot;

pub use snapshot::SnapshotManager;

pub use snapshot::TxnContext;

pub use snapshot::Xid;

pub use snapshot::XID_NONE;

pub use visibility::is_visible;

Modules

read

Explicit snapshot visibility for entity reads. Hosts retain auth, tenant, moderation and ambient statement-frame policy around these helpers.

snapshot

Live optimistic MVCC snapshot, outcome and SSI tracking.

state

Per-connection transaction state and lifecycle transitions.

visibility

MVCC visibility predicate — the deep module that owns the entire “does snapshot S see entity E?” decision.

Enums

IsolationLevel

Isolation level requested by BEGIN ISOLATION LEVEL ....