Worked on the elastic/detection-rules-dac-demo repository to address build reproducibility and environment consistency challenges. Focused on stabilizing deployments by implementing lockfile synchronization, which reconciled dependency versions across different environments to prevent drift and ensure reliable rule processing. Utilized skills in build automation and dependency management, leveraging YAML for configuration and lockfile updates. The primary contribution involved fixing a bug related to inconsistent lockfile versions, directly improving the reliability of automated builds and deployments. This work enhanced the overall stability of the development pipeline, supporting smoother cross-environment operations and reducing the risk of environment-specific issues during rule deployment.