Tim McLean enhanced the zed-industries/zed repository by implementing an automatic retry mechanism for OpenAI-compatible LLM API calls, addressing failures caused by rate limiting. Using Rust, Tim focused on backend development and robust error handling, integrating logic to detect 429 responses and apply Retry-After delays when available. This solution improved the reliability of LLM completions under load, reducing user-facing errors and unnecessary retry attempts. Tim validated the changes with Cerebras configured via openai_compatible, collaborated across teams, and updated documentation to reflect the new behavior. The work demonstrated thoughtful integration of API resilience and careful attention to operational reliability.