- Add URL-decode in validate_archive_path to block ..%2F encoded traversal - Rewrite test_storage_manager.py (was corrupted, #14) - Rewrite test_path_handling.py (remove hardcoded macOS path, #13) - Add test_web_interface.py (auth, CSRF, headers, XSS tests) - All 11 tests pass - Fixes: #1 path traversal, #2 XSS, #13 hardcoded path, #14 corrupted tests