Worked on the OpenWrt Luci project, focusing on improving the reliability of the luci-app-acme interface. Addressed a user-facing issue where certificate files were not displayed correctly by refining the JavaScript file-type check, ensuring accurate rendering and reducing potential support requests. The approach involved diagnosing the root cause, implementing a targeted code adjustment, and validating the fix locally before submitting a well-documented pull request. Emphasized disciplined release practices by anchoring the change to a single, traceable commit. Utilized JavaScript and front end development skills to enhance stability, prioritizing user experience and maintainability within the openwrt/luci repository.