- Added comprehensive diffing for Codex live media relay settings, including support for public IP, UDP port ranges, and ICE server changes. - Introduced `displayOptionalValue` utility to handle optional values in diff outputs. - Improved test coverage for config change detection, ensuring no sensitive information leakage. - Replaced `allow-private-remote-ips` with the new `disable-private-remote-ips` property, adding YAML backward compatibility. - Updated Codex live handler to differentiate media relay configuration changes and runtime updates.