Worked on stabilizing sourcemap generation in the DataDog/datadog-ci repository by addressing a regression that affected path integrity during builds. Using TypeScript and full stack development skills, implemented a robust solution that replaced fragile string manipulation with upath.relative to handle basePath removal, ensuring correct sourcemap paths even when the basePath was set to the current directory. This fix prevented filename corruption and unminification failures, directly improving the reliability of continuous integration workflows. Focused on testing and cross-platform compatibility, the work reduced deployment risks and enhanced the debugging experience for users relying on accurate sourcemap generation in their CI pipelines.