- Updated test cases in test_manager.py to improve readability and consistency.
- Simplified assertions and mock setups in tests for PermissionManager.
- Enhanced test coverage for HostsManager, including edit mode and entry manipulation tests.
- Improved test structure in test_models.py for HostEntry and HostsFile, ensuring clarity in test cases.
- Refined test cases in test_parser.py for better organization and readability.
- Adjusted test_save_confirmation_modal.py to maintain consistency in mocking and assertions.
- Added PermissionManager class for managing sudo permissions.
- Introduced HostsManager class for high-level operations on hosts file.
- Implemented methods for entering/exiting edit mode, toggling entries, moving entries, updating entries, saving the hosts file, and restoring backups.
- Integrated permission validation and backup creation during edit operations.
- Enhanced main application to support edit mode and associated actions.
- Added tests for PermissionManager and HostsManager to ensure functionality and error handling.
