openai/gpt-5.3-chat → A (10:1)

Side A introduces a substantial change to how recent votes are stored and managed, replacing a deque with an append-only list, shifting from write-time trimming to read-time capping, updating schema versioning, and adding tests to validate the new behavior. This affects storage, in-memory structures, and data loading logic. Side B is a minor UI tweak removing form attributes, with negligible impact by comparison.