made some changes to the UI, removed leaderboards. updated gamesaves

src/main.tsx

@@ -1,9 +1,10 @@
 import { StrictMode } from 'react'
 import { createRoot } from 'react-dom/client'
+import { Capacitor } from '@capacitor/core'
 import './index.css'
 import App from './App.tsx'
 import { InputProvider } from './input.tsx'
-import { DualScreenBottomDisplay, DualScreenProvider } from './dualScreen.tsx'
+import { DualScreenBottomDisplay, DualScreenProvider, DualScreenStartupPrompt } from './dualScreen.tsx'
 
 createRoot(document.getElementById('root')!).render(
   <StrictMode>
@@ -11,6 +12,7 @@ createRoot(document.getElementById('root')!).render(
       <DualScreenBottomDisplay />
     ) : (
       <DualScreenProvider>
+        <DualScreenStartupPrompt />
         <InputProvider>
           <App />
         </InputProvider>
@@ -19,7 +21,19 @@ createRoot(document.getElementById('root')!).render(
   </StrictMode>,
 )
 
-if (import.meta.env.PROD && 'serviceWorker' in navigator) {
+const isNativeApp = Capacitor.isNativePlatform()
+
+if (import.meta.env.PROD && isNativeApp && 'serviceWorker' in navigator) {
+  navigator.serviceWorker.getRegistrations()
+    .then((registrations) => Promise.all(registrations.map((registration) => registration.unregister())))
+    .then(() => caches.keys())
+    .then((keys) => Promise.all(keys.filter((key) => key.startsWith('chronicle-')).map((key) => caches.delete(key))))
+    .catch(() => {
+      // Native app assets should come directly from the APK when cache cleanup is unavailable.
+    })
+}
+
+if (import.meta.env.PROD && !isNativeApp && 'serviceWorker' in navigator) {
   window.addEventListener('load', () => {
     navigator.serviceWorker.register('/service-worker.js').catch(() => {
       // Offline launch remains optional when registration is unavailable.