Simplify Zustand selectors by removing memoized callbacks

- Replace `useCallback`-wrapped `useStore` selectors with inline selectors
- Apply across chat, diff, branch toolbar, and chat thread route components
d4c90d696dJulius Marminge committed on 3/2/2026, 9:13:19 PM· committed by Julius Marmingeparentbe4d26a
4 files changedLine totals unavailable