openai/gpt-chat-latest → B (4:1)

Side B restores substantial web functionality by wiring browser session cookies, login/logout, room-aware thread routing, authenticated posting, and integrating these into the application's router, creating lasting infrastructure for the web UI. Side A improves the garden experience with pairwise vote counts, an unpin HUD action, styling, and tests, but these are incremental UI enhancements rather than foundational capabilities.