Barbossh4ck worked on the simplex-chat/simplex-chat repository, delivering a build reliability enhancement focused on CI/CD stability. They addressed recurring build failures by implementing a shell script that frees up disk space before running reproducible scripts, directly targeting issues caused by disk-space constraints during the build process. Using Bash and YAML, Barbossh4ck adopted a cleanup script template to standardize pre-build housekeeping across the CI pipeline, ensuring consistent and reproducible builds. This work improved CI throughput and reduced flaky builds, laying a more stable foundation for future reproducibility improvements. The contribution demonstrated thoughtful problem-solving and a methodical approach to CI reliability.