Function terminate_owned_forward_child

crates/openshell-cli/src/ssh.rs:493–495

Best-effort cleanup for the SSH child this process spawned.

(child: &mut Child)

/// Best-effort cleanup for the SSH child this process spawned.
fn terminate_owned_forward_child(child: &mut Child) {
    let _ = child.start_kill();
}

/// Track a verified background forward, cleaning it up if PID-file persistence fails.
fn track_background_forward_or_cleanup(