Replace raw axios promise returns with async functions that unwrap
response data, providing stronger type guarantees at call sites.
- Unwrap `res.data.data` in all API functions instead of exposing
AxiosResponse to consumers
- Add missing return types (LoginVo, BorrowInfoVo, Book, etc.)
- Convert all exported functions to async syntax
- Replace Vite boilerplate with React Router for page navigation
- Add React Query for server state and cache management
- Integrate shadcn/ui component library with Tailwind CSS v4
- Configure @/ path alias for clean module imports
- Set up Vite dev proxy to API backend
- Remove default App.css, App.tsx, and react.svg assets
msksbr