Over a two-month period, Chi contributed targeted improvements to the JetBrains/Avalonia and AvaloniaUI/avalonia-docs repositories, focusing on error handling and documentation quality. In JetBrains/Avalonia, Chi enhanced file picker reliability by implementing existence checks for file paths, ensuring that only valid files are processed and reducing runtime exceptions. This approach improved the stability of file selection workflows using C# and robust file handling techniques. In AvaloniaUI/avalonia-docs, Chi addressed documentation inconsistencies by correcting syntax and formatting in Container Queries examples, leveraging Markdown and XML skills. The work demonstrated attention to detail and a methodical approach to both code and documentation quality.