During January 2026, Cristian Català enhanced the OpenAI Codex login flow in the badlogic/pi-mono repository, focusing on reducing login latency and improving OAuth handshake resilience. He implemented a feature allowing immediate pasting of authorization codes, which reduced reliance on browser callback wait times. By introducing a race condition between browser callback and manual input, Cristian increased the robustness of the authentication process, particularly in edge cases. The OAuth server was updated to support early termination and a new manual-code callback. This work leveraged his expertise in Node.js, TypeScript, and CLI development, demonstrating thoughtful engineering depth within a focused project scope.