During February 2025, Shugel enhanced the martinvonz/jj repository by integrating mergiraf as the default merge tool at the CLI level. This work involved configuring TOML-based settings to enable deterministic merges and specifying explicit exit codes for conflict scenarios, which improved automation and error handling in downstream tooling. By introducing the --fast argument for structural merges, Shugel optimized performance and reduced merge times, directly benefiting continuous integration workflows. The changes standardized merge behavior across environments, laying groundwork for future tooling. Shugel’s contributions focused on CLI configuration and TOML, demonstrating depth in workflow automation and toolchain reliability within the project.