Simplified imports and cleaned up unused functionalities in `admin/views.py`. Switched `var` to `let` in `script.js` for better scope management. Adjusted `showOverviewWaf` function for consistency. Removed `check_services` decorator from `ServiceActionView`. Enhanced `Checker` class model and improved error handling in `CheckerView`. Added `update_checker_setting_for_server` method in `checker.py`.
Added return_master setting, removed unnecessary code, and improved exception handling throughout the project. Key updates include enabling return_master by default, simplifying database update methods, handling empty IP exceptions more appropriately, and refining JavaScript validations.
Refactor user-related modules, updating data handling, roles, and methods. Simplify server status check process by removing event-based handling and replacing it with straightforward AJAX requests.