fix(camera): matrix-based zoom for pinch/double-tap, tap-to-focus AE/AF lock, library letterbox smear fix, export raw JPEG bytes q95, resume isActive fixes, dark theme polish

index.ts

@@ -1,8 +1,21 @@
 import { registerRootComponent } from 'expo';
+import React from 'react';
+import { SafeAreaProvider } from 'react-native-safe-area-context';
 
 import App from './App';
 
-// registerRootComponent calls AppRegistry.registerComponent('main', () => App);
+// SafeAreaProvider: root overlays (TopBar / CameraControls) read insets so the
+// fullscreen viewfinder can run edge-to-edge under the system bars.
+// (index.ts is plain TS — no JSX here.)
+function Root() {
+  return React.createElement(
+    SafeAreaProvider,
+    null,
+    React.createElement(App)
+  );
+}
+
+// registerRootComponent calls AppRegistry.registerComponent('main', () => Root);
 // It also ensures that whether you load the app in Expo Go or in a native build,
 // the environment is set up appropriately
-registerRootComponent(App);
+registerRootComponent(Root);