//! `cargo truce log-stream-au` — tail AU v3 appex logs live.
//!
//! macOS-only. Wraps `/usr/bin/log stream` with a predicate matching
//! the AU v3 Swift wrapper's subsystem (`com.truce.au3`). Forward-only
//! — does not surface historical entries; for those use `log show
//! --last <duration>` directly.
use crateRes;
use Command;
pub