During November 2024, Ishida contributed to the openai/openai-cookbook repository by upgrading the knowledge base example to enhance performance and stability. Ishida replaced the previous gpt-3.5-turbo-0613 model with gpt-4o-mini, ensuring the example reflected current best practices in LLM integration. The update also incorporated a new academic reference, aligning the documentation with recent research. Ishida refined the execution progress output for greater clarity and traceability, and updated authorship and registry entries to maintain accurate project records. The work, implemented in Python, Jupyter Notebook, and YAML, demonstrated careful attention to documentation quality and reproducibility within a focused feature scope.