During October 2025, Savannah enhanced cross-repository tooling by implementing two features and resolving two bugs across the picnixz/cpython and fastapi/typer repositories. She automated nightly CI workflows for Typer, integrating Python and YAML to build CPython main, manage dependencies with uv, and store coverage artifacts for analysis. In Typer, she introduced difflib-based CLI command suggestions to improve user experience on mistyped commands. For cpython, Savannah addressed colorization issues in argparse subparsers and stabilized test output by controlling color in help and version actions. Her work demonstrated depth in build automation, CI/CD, and CLI development, resulting in more robust developer workflows.