Worked on stabilizing diagram generation workflows in the github/awesome-copilot repository by addressing cross-platform encoding issues in the Excalidraw Diagram Generator. Focused on Python scripting to resolve Windows-specific UTF-8 output problems in the add-arrow and add-icon scripts, ensuring consistent behavior across both Windows and UNIX-like systems. The solution involved forcing UTF-8 encoding for standard output, which eliminated crashes caused by cp1252 encoding mismatches and improved the reliability of automated diagram creation. This targeted bug fix reduced support incidents and troubleshooting time, contributing to a smoother user experience and more dependable scripting for diagram generation tasks in Python environments.