Transitioned from obsolete gateway object classes (`edge_gateway_shell_action_jobs_o`, `edge_gateway_shell_events_o`, `edge_gateway_shell_sessions_o`, `edge_gateway_update_jobs_o`) to the new agent implementation (`edge-gateway-agent/agent.php`).
- Introduced `safety_seal` column in the `orders` table.
- Updated order creation and completion logic to handle safety seal values.
- Enhanced order and booking classes to manage safety seal attachment and retrieval.
- Added tests to validate safety seal functionality in order processing.