During November 2024, the developer focused on enhancing the robustness of the SAT extractor within the kendryte/nncase repository. By refactoring the EGraph-based extraction logic in C#, they addressed issues related to cycle and constraint handling, which previously led to unreliable expression extraction. Their work involved updating unit tests to reflect the new logic, shifting from multiplication to addition to ensure alignment with the revised approach. Leveraging skills in code refactoring, constraint solving, and graph algorithms, the developer improved the stability of the optimization pipeline. This targeted bug fix contributed to more reliable downstream optimization and reduced flaky behavior.