// Copyright 2026 Jay Gowdy
// SPDX-License-Identifier: MIT
//! Filesystem helpers for atomic writes and permission management.
//!
//! These utilities are used by consuming apps to safely persist configuration,
//! key metadata, and credential caches. Writes are atomic (write-to-temp then
//! rename) and file permissions are locked down to owner-only.
pub use crate;