Cornel developed a performance-optimized frame retrieval feature for the Lumiwealth/lumibot repository, focusing on improving the efficiency of call_function_get_frame. He refactored the existing approach by replacing the slow sys.settrace method with Python’s inspect module for direct frame access during normal execution, which reduced runtime overhead and accelerated automated analysis workflows. To maintain compatibility with debugging tools, he implemented a conditional fallback to sys.settrace when a debugger is detected. This solution leveraged his skills in code refactoring, performance optimization, and debugging tools, resulting in a more responsive automation bot and more reliable runtime introspection without introducing new bugs.