During February 2025, Mohammad Salem focused on enhancing application reliability for the microsoft/PhiCookBook repository by addressing resource management issues. He implemented explicit disposal patterns in C# to ensure models, tokenizers, generators, and handles were properly released on application exit, targeting Labs 1 and 4. This approach reduced potential memory leaks and improved application stability, particularly in long-running scenarios. By introducing deterministic teardown and refining object disposal, Mohammad lowered the risk of crashes and simplified future maintenance. His work demonstrated depth in application stability and resource management, contributing to a more robust lifecycle for the PhiCookBook codebase during this period.