voicebox/mobile/app/_layout.tsx

import '../global.css';

import { QueryClient, QueryClientProvider } from '@tanstack/react-query';
import { Stack } from 'expo-router';
import { StatusBar } from 'expo-status-bar';
import { useEffect, useState } from 'react';
import { GestureHandlerRootView } from 'react-native-gesture-handler';
import { SafeAreaProvider } from 'react-native-safe-area-context';
import { colors } from '@/lib/colors';
import { useSession } from '@/lib/session';

export default function RootLayout() {
  const hydrate = useSession((s) => s.hydrate);
  const [queryClient] = useState(
    () =>
      new QueryClient({
        defaultOptions: {
          queries: {
            staleTime: 5_000,
            retry: 1,
          },
        },
      }),
  );

  useEffect(() => {
    void hydrate();
  }, [hydrate]);

  return (
    <QueryClientProvider client={queryClient}>
      <GestureHandlerRootView style={{ flex: 1, backgroundColor: colors.background }}>
        <SafeAreaProvider>
          <StatusBar style="light" />
          <Stack
            screenOptions={{
              headerShown: false,
              contentStyle: { backgroundColor: colors.background },
              animation: 'fade',
            }}
          />
        </SafeAreaProvider>
      </GestureHandlerRootView>
    </QueryClientProvider>
  );
}