Tian Pengfei contributed to the affaan-m/ECC repository by performing a targeted codebase cleanup focused on user experience and maintainability. He identified and removed an obsolete manual compaction suggestion script, which previously introduced unnecessary complexity during tool usage. By leveraging his skills in bash scripting, Tian streamlined the workflow, reducing potential confusion for users and minimizing future maintenance overhead. This change improved codebase hygiene and clarified the tool’s automation paths, making future development more efficient. Although the scope was limited to a single feature and did not involve bug fixes, the work demonstrated careful attention to long-term reliability and developer velocity.