//! Graph and layered organization for DAG DB.
//!//! Facade removal is complete; this crate owns memory graph invariants, layered
//! placement, hygiene, and layer policy code. Downstream compatibility uses
//! explicit bridges such as `exo_api::dagdb`.
#![cfg_attr(test,allow(clippy::expect_used, clippy::unwrap_used))]pubmodlayer_creation_policy;pubmodlayered_graph;pubmodlayered_hygiene;pubmodlayered_placement;