netx/web/src/main.tsx

import { StrictMode } from "react";
import { createRoot } from "react-dom/client";
import { BrowserRouter } from "react-router-dom";
import { QueryClient, QueryClientProvider } from "@tanstack/react-query";
import "./index.css";
import App from "./App.tsx";
import { ErrorBoundary } from "./layout/ErrorBoundary";
import { I18nProvider } from "./i18n";
import { ToastProvider } from "./hooks/useToast";
import { AuthProvider } from "./auth/AuthContext";

const queryClient = new QueryClient({
  defaultOptions: {
    queries: {
      // Avoid remount flash/jank on every navigation (default staleTime is 0).
      staleTime: 30_000,
      refetchOnWindowFocus: false,
      retry: 1,
    },
  },
});

createRoot(document.getElementById("root")!).render(
  <StrictMode>
    <ErrorBoundary>
      <QueryClientProvider client={queryClient}>
        <I18nProvider>
          <ToastProvider>
            <BrowserRouter>
              <AuthProvider>
                <App />
              </AuthProvider>
            </BrowserRouter>
          </ToastProvider>
        </I18nProvider>
      </QueryClientProvider>
    </ErrorBoundary>
  </StrictMode>,
);