Worked on the openclaw/openclaw repository to enhance the reliability of configuration loading during application startup. Addressed a bug where environment variables were not consistently applied before provider discovery, which could lead to misconfigurations across deployments. The solution involved invoking applyConfigEnvVars within the ensureOpenClawModelsJson function, ensuring that all relevant environment variables were loaded prior to provider discovery. This adjustment improved the startup sequence and reduced the risk of configuration errors. The work demonstrated skills in configuration management and environment variable handling, utilizing Node.js and TypeScript to implement and document the change with clear commit traceability for future reference.