//! Shared utilities for the Batuta stack.
//!
//! Provides consistent formatting, system information, and display helpers
//! used across pmat, trueno-viz, aprender, and other Batuta crates.
//!
//! # Modules
//!
//! - [`fmt`] — Byte, percentage, duration, and number formatting
//! - [`sys`] — System information (cgroup detection, CPU info)
//! - [`display`] — Column alignment, truncation, and builder traits
// `.unwrap()` is banned in production via workspace `.clippy.toml`, but is
// idiomatic in `#[cfg(test)]` assertions. Allow it only under `cfg(test)`.