openai/gpt-chat-latest → A (20:1)

Side A adds substantial, lasting functionality: a versioned append-only evidence ledger, idempotent persistence with resumable ranking, content-addressed evidence records, HTML evidence browsing endpoints, richer audit links, API enhancements, and extensive integration/unit tests. Side B is primarily repository cleanup, deleting legacy files and replacing one ideas document, with little evidence of new project functionality or bug fixes.