openai/gpt-chat-latest → B (5:1)

Side B makes a substantial architectural change: it removes the persistent EntityStore and EntityImported event, moves Reddit display data into ephemeral projection storage with TTL-based eviction, updates replay/journaling paths accordingly, and adds tests verifying rebuild and eviction behavior. Side A is a well-scoped UI improvement that changes row color gradients from list position to per-group score normalization with supporting tests, but its impact is limited to presentation rather than core system design and data handling.