//! Trybuild harness for the facade crate's compile-fail fixtures.
//!
//! Mirrors the per-crate `tests/ui.rs` harnesses (see
//! `geometry-trait/tests/ui.rs`); this one pins the facade-layer
//! diagnostics that prove the KC1 `Point` / `PointMut` split holds
//! through the public `boost_geometry::*` surface.