Module snapshot 

World snapshot for save/load. World snapshot for save/load functionality.

Provides WorldSnapshot which captures the full simulation state (all entities, components, groups, metrics, tick counter) in a serializable form. Games choose the serialization format via serde.

Extension components are NOT included — games must serialize their own extensions separately and re-attach them after restoring.

Structs

EntitySnapshot

Serializable snapshot of a single entity’s components.

GroupSnapshot

Serializable representation of an elevator group.

LineSnapshotInfo

Per-line snapshot info within a group.

WorldSnapshot

Serializable snapshot of the entire simulation state.