// SPDX-License-Identifier: Apache-2.0
//! Configuration management for the Aptu CLI.
//!
//! Provides layered configuration from files and environment variables.
//! Uses XDG-compliant paths via the `dirs` crate.
//!
//! # Configuration Sources (in priority order)
//!
//! 1. Environment variables (prefix: `APTU_`)
//! 2. Config file: `~/.config/aptu/config.toml`
//! 3. Built-in defaults
//!
//! # Examples
//!
//! ```bash
//! # Override AI model via environment variable
//! APTU_AI__MODEL=mistral-small cargo run
//! ```
pub use ;
pub use ;
pub use ;
pub use ReviewConfig;