//! Cargo `--package` / `--bin` selection, shared by every `cargo athena`
//! subcommand. Resolves in this order:
//!
//! 1. `-p` / `--package` and `--bin` flags
//! 2. `[defaults].package` / `.bin` in `athena.toml`
//! 3. cargo's single-package / default-bin autodetect (caller's job;
//! `resolve` just returns `None` here)
use AthenaConfig;