- Install @tanstack/react-query
- Create queryClient with MutationCache for global toast on success/error
- QueryToastBridge component bridges module-level handlers to ToastProvider
- Wrap App in QueryClientProvider
- Create domain hook files: budgets, incomes, outgos, shares, summary
- Update all 5 pages to use hooks; remove inline useEffect/useState fetch logic
- DnD reorder pages use local displayItems state synced from query data
Spencer Twaddle
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