openai/gpt-chat-latest → A (3:2)

Side A changes vote URL generation to use `display_path()` instead of storage URLs for left/right/pool parameters, aligning links with the user-facing path format, and substantially strengthens the browser test by exercising all 45 pairwise votes and verifying the final `GetGardenRank` ordering. Side B adds a useful UI improvement by making pinned icons in ranked child lists submit the existing unpin flow and covers it with browser tests, but its impact is narrower and primarily affects one interaction path.