~anthropic/claude-sonnet-latest → A (8:2)

Side A ships a real, working feature: it wires unpin functionality into the ranked child group list, updates CSS for the new interactive states, and extends a browser test to actually exercise the new flow end-to-end. Side B is a large planning document plus an unused/unreferenced RouteContext scaffold (no call sites migrated, no tests), representing intent rather than delivered, tested functionality.