Brieuc François contributed to the key4hep/k4geo repository by developing two targeted features over a two-month period. He enhanced the pull request workflow by introducing a comprehensive reviewer checklist and embedded automated checks for detector geometry changes, using C++ and Markdown to ensure that modifications to detector dimensions or XML parameters did not introduce overlaps or free parameters. Additionally, he implemented the ALLEGRO ECAL Visualization Enhancement, leveraging DD4hep and detector geometry expertise to assign distinct visual attributes to geometry components. These contributions improved code review consistency, reduced regression risk, and streamlined onboarding for geometry contributors, reflecting a thoughtful, process-driven engineering approach.