//! Cross-crate dependency tracking. Stub — to grow into a real
//! workspace dependency walker that complements `cargo tree` with
//! workspace-aware grouping (e.g., "which crates transitively depend
//! on znippy-compress?").
useanyhow::Result;usestd::path::Path;pubstructDepGraph;implDepGraph{pubfnload(_repo_root:&Path)->Result<Self>{Ok(DepGraph)}}