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    @EventHandler
    public void onGuardianHitsPlayer(EntityDamageByEntityEvent event) {
        if (!(event.getEntity() instanceof Player player)) return;

        // Handle zombie guardian
        if (event.getDamager() instanceof Zombie zombie) {
            if (zombie.hasMetadata("owner")) {
                String ownerId = zombie.getMetadata("owner").get(0).asString();
                if (ownerId.equals(player.getUniqueId().toString())) {
                    event.setDamage(0); // Cancel damage
                }
            }
        }

        // Handle skeleton guardian
        if (event.getDamager() instanceof Skeleton skeleton) {
            if (skeleton.hasMetadata("owner")) {
                String ownerId = skeleton.getMetadata("owner").get(0).asString();
                if (ownerId.equals(player.getUniqueId().toString())) {
                    event.setDamage(0); // Cancel damage
                }
            }
        }
    }