During November 2024, Dan Pu focused on backend development and refactoring within the LiU-SeeGoals/controller repository, specifically targeting the FastBrainGO instruction handling logic. He improved the reliability and maintainability of the codebase by removing unimplemented instruction types from the instructionToAction function, which reduced dead code paths and simplified control flow. Working primarily in Go, Dan also addressed excessive log output by eliminating unused instruction paths, making production monitoring and debugging more manageable. Although no new features were introduced, his targeted cleanup enhanced the system’s stability and set a solid foundation for future feature integration and easier ongoing maintenance.