- Updated `evofw-firewall.sh` and related scripts to replace `policy_mode` with `default_action`, enhancing clarity and consistency in policy management. - Adjusted agent routes and evaluation logic to accommodate the new default action structure, ensuring backward compatibility with legacy modes. - Enhanced tests to validate the new default action behavior and its integration within the agent policy framework. - Refactored related components in the web interface to align with the updated policy handling, improving user experience and reducing confusion around policy modes.