During January 2025, contributed to the facebook/buck2-prelude repository by implementing a Starlark-defined override for configuration loading, focusing on enhancing observability and maintainability within the Buck2 config pipeline. Leveraging Starlark scripting and build system configuration expertise, introduced conditional overrides for read_config and read_root_config, activated via the log_buckconfigs flag to enable targeted logging and operational control. Integrated the override using load_symbols to ensure minimal disruption to existing workflows and facilitate testing. This work improved the ability to monitor and tweak configuration loading, reducing troubleshooting time and laying the foundation for future config-driven experimentation without introducing major bugs.