Fix expo-camera corrupting JPEG files on Android by using skipProcessing, lowering quality, and adding file flush delay

src/screens/CameraScreen.tsx

@@ -235,12 +235,16 @@ export default function CameraScreen({
         console.log('Capturing from built-in camera fallback...');
         if (expoCameraRef.current) {
           const photo = await expoCameraRef.current.takePictureAsync({
-            quality: 0.95,
-            skipProcessing: false,
+            quality: 0.7, // Lower quality slightly to reduce file size and OOM risk
+            skipProcessing: true, // Crucial for Android tablets: prevents internal OOM that corrupts the image file
           });
           capturedUri = photo.uri;
           rawWidth = photo.width;
           rawHeight = photo.height;
+          
+          // Wait 500ms to ensure the OS has completely flushed the file to disk.
+          // This prevents "Loading bitmap failed" when ImageManipulator reads it too fast.
+          await new Promise((resolve) => setTimeout(resolve, 500));
         } else {
           throw new Error('Kamera-Referenz ist nicht verfügbar.');
         }