Worked on the temporalio/sdk-go repository to deliver a usability enhancement for workflow orchestration by introducing a Side Effects Summary feature. This addition allows developers to attach descriptive summaries to side effects and mutable side effects, which are then displayed in the Temporal SDK UI and CLI, improving workflow traceability and clarity. The work involved backend development and testing in Go, including the implementation of interceptor-based tests and refinement of integration tests to stabilize the codebase. Collaboration with other contributors focused on clarifying experimental flag semantics and improving documentation, resulting in a more reliable release process and enhanced developer experience.