Function sandbox_state_dir

crates/openshell-driver-vm/src/driver.rs:4185–4188

(root: &Path, sandbox_id: &str)

#[allow(clippy::result_large_err)]
fn sandbox_state_dir(root: &Path, sandbox_id: &str) -> Result<PathBuf, Status> {
    validate_sandbox_id(sandbox_id)?;
    Ok(sandboxes_root_dir(root).join(sandbox_id))
}

fn sandbox_overlay_image(state_dir: &Path) -> PathBuf {
    state_dir.join(SANDBOX_OVERLAY_IMAGE)