~anthropic/claude-sonnet-latest → A (65:35)

Side A delivers a substantive dev-tooling improvement: persistent fixture data, cargo-watch integration, port-preference logic, and summary rebasing, which meaningfully improves developer iteration workflow. Side B is a small, cosmetic UI simplification (removing a toggle button, tweaking placeholder text) that is fine but far less impactful and somewhat reduces functionality (hides the collapsible toggle) without clear justification.