pub fn auto_download_kernel(cli_label: &str) -> Result<PathBuf>Expand description
Auto-download, build, and cache the latest stable kernel.
Called when no –kernel is specified and no kernel is found via
cache or filesystem. Resolves the latest stable version and
delegates to download_and_cache_version. cli_label prefixes
status output (e.g. "ktstr", "cargo ktstr").