During January 2025, contributed to the Effect-TS/effect repository by designing and implementing a new API that enables conditional execution of effects based on log level. This feature, Effect.whenLogLevel, allows developers to control logging granularity and reduce unnecessary effect executions when certain log levels are disabled, thereby improving both observability and application performance. The work demonstrated strong skills in functional programming, library development, and TypeScript, with careful integration into the existing effects framework. No major bugs were addressed during this period, as the focus remained on feature development and enhancing logging control for more efficient and maintainable codebases.