Worked on the packit/ai-workflows repository over a two-month period, focusing on improving reliability and maintainability in Python-based workflows. Modernized packaging path handling by refactoring the backport agent to use pathlib.Path, which enhanced cross-platform compatibility and standardized file system operations. Addressed production resilience by replacing assert statements with explicit runtime checks, ensuring validation remains active even under optimized Python builds. Leveraged error handling techniques and ruff-based checks to enforce runtime safety and clear failure messaging. The work demonstrated a methodical approach to refactoring and error handling, with a focus on robust software development practices and maintainable Python code.