feat: Introduce a comprehensive set of AI agent skills, agents, and workflows, along with new UI components and application structure.

app/_layout.tsx

@@ -0,0 +1,37 @@
+import { DarkTheme, DefaultTheme, ThemeProvider } from '@react-navigation/native';
+import { Stack } from 'expo-router';
+import * as SplashScreen from 'expo-splash-screen';
+import { StatusBar } from 'expo-status-bar';
+import { useEffect } from 'react';
+import 'react-native-reanimated';
+
+import { useColorScheme } from '@/hooks/useColorScheme';
+import { useAppStore } from '@/store/useAppStore';
+
+// Prevent the splash screen from auto-hiding before asset loading is complete.
+SplashScreen.preventAutoHideAsync();
+
+export default function RootLayout() {
+  const systemColorScheme = useColorScheme();
+  const themePreference = useAppStore((state) => state.theme);
+
+  useEffect(() => {
+    SplashScreen.hideAsync();
+  }, []);
+
+  const isDark = themePreference === 'system'
+    ? systemColorScheme === 'dark'
+    : themePreference === 'dark';
+
+  return (
+    <ThemeProvider value={isDark ? DarkTheme : DefaultTheme}>
+      <Stack>
+        <Stack.Screen name="index" options={{ headerShown: false }} />
+        <Stack.Screen name="chat" options={{ headerShown: false }} />
+        <Stack.Screen name="settings" options={{ presentation: 'modal', title: 'Settings' }} />
+        <Stack.Screen name="+not-found" />
+      </Stack>
+      <StatusBar style={isDark ? 'light' : 'dark'} />
+    </ThemeProvider>
+  );
+}