Krishanu worked on stabilizing the Export Schema workflow in the yugabyte/yb-voyager repository, focusing on backend development and testing using Go. He addressed a bug in the migration assessment logic, ensuring that when the --start-clean flag is used, the internal migration assessment re-runs correctly. To support this, he introduced a utility function to clear the migration assessment status, which prevents unnecessary re-runs when the assessment has already completed. This targeted fix improved the reliability and predictability of schema migrations, reduced resource usage, and accelerated feedback loops, demonstrating a thoughtful approach to maintaining robust backend workflows in Go.