During March 2025, Amuwall focused on backend reliability improvements across the open-webui and langchain repositories. In open-webui, Amuwall corrected a type hint in the replace_messages_variable function, changing it from a list of strings to a list of dictionaries, which reduced the risk of runtime errors and improved code maintainability. For langchain, Amuwall enhanced image loading by ensuring the Pillow library was properly imported and handled exceptions gracefully, increasing robustness for various image formats, including NumPy arrays. The work demonstrated strong skills in Python, exception handling, and image processing, addressing subtle bugs and contributing to more resilient backend components.