Fy worked on reliability and code quality improvements across Sifchain/sa-eliza and 0xPolygon/kurtosis-cdk, focusing on deterministic automation and streamlined local development. In Sifchain/sa-eliza, Fy refined the parsing logic to enforce strict YES/NO boolean outputs, reducing ambiguity and downstream errors through targeted refactoring in TypeScript and YAML. For kurtosis-cdk, Fy addressed dynamic RPC URL construction for local L1 node targeting, enhancing deployment workflows and reducing developer friction. The work included configuration management, CI/CD, and scripting in Shell and Starlark, resulting in more maintainable codebases and improved onboarding experiences. Fy’s contributions demonstrated depth in reliability engineering and code maintainability.