//! `foundation` — the type-agnostic vocabulary every kernel speaks: the error
//! type, the `Result` alias, and the rotatable [`Lattice`] (with its `BBox`).
//!
//! Deliberately tiny and dependency-free beyond `thiserror`: this is the bedrock
//! the higher layers (`gridding`, and later `stats` / `sampling`) build on.
pub use ;
pub use ;