Worked on enhancing the google-gemini/gemini-cli repository by developing a whitespace-aware diff reporting feature for the diff tool. This update enabled the tool to accurately capture and display whitespace-only changes, addressing a common gap in code review workflows. The implementation involved adjusting diff comparison options to ensure whitespace was considered during comparisons and adding comprehensive tests to validate the new functionality. Utilizing TypeScript and full stack development skills, the work improved the precision of code diffs and streamlined the review process by reducing ambiguity around whitespace changes. The focus on testing ensured reliability and alignment with code-review requirements.