During April 2025, Anselm Hahn enhanced the Anselmoo/spectrafit repository by focusing on CI/CD workflow efficiency and test suite maintainability. He introduced uv-based Python dependency management and pre-commit caching, which accelerated continuous integration runs and reduced resource usage. Using Python and YAML, Anselm refactored the CI pipeline to deliver faster feedback cycles for developers. He also performed targeted code cleanup by removing an unused test function and eliminating redundant numpy imports, improving the reliability and clarity of the test suite. These efforts streamlined release cycles, lowered maintenance costs, and reinforced code quality, demonstrating a strong grasp of DevOps and testing practices.