During May 2025, Tan Hoang focused on improving the model export workflow for the google-ai-edge/ai-edge-torch repository. He addressed a critical bug in the export process by refining how directory paths are handled, ensuring directories are only created when explicitly specified. Using Python and leveraging skills in error handling and file I/O, Tan corrected the logic for TfLiteModel directory checks, which reduced unintended directory creation and export-time failures. This targeted fix enhanced the reliability of CI and deployment pipelines for edge devices. The work demonstrated careful attention to deployment robustness, though it was limited in scope to a single bug fix.