During November 2025, Micro6947 focused on enhancing the safety and reliability of temporary file deletion in the jarun/nnn repository. They addressed a bug by introducing robust error handling in C, validating the return value of the unlink function, and enforcing user confirmation before file removal. Their approach included comprehensive error logging to improve observability when cleanup operations failed, reducing the risk of accidental data loss. By fixing a compile warning in the cleanup path, Micro6947 also contributed to better build hygiene and maintainability. Their work demonstrated depth in system programming and error handling, emphasizing reliability and code quality.