fix: add delay for flash rendering

src/screens/CameraScreen.tsx

@@ -317,6 +317,9 @@ export default function CameraScreen({
 
     try {
       turnFlashOn();
+      
+      // Wait for UI to render the flash before blocking main thread with capture
+      await new Promise(resolve => setTimeout(resolve, 50));
 
       let capturedUri: string;