refactor: restructure

monorepo with apps/ and services/
  directories

apps/nutriphi/apps/mobile/components/camera/PhotoButton.tsx

@@ -0,0 +1,75 @@
+import React from 'react';
+import { TouchableOpacity, View, Text } from 'react-native';
+import Animated, {
+  useSharedValue,
+  useAnimatedStyle,
+  withSpring,
+  interpolate,
+} from 'react-native-reanimated';
+
+interface PhotoButtonProps {
+  onPress: () => void;
+  disabled?: boolean;
+  isCapturing?: boolean;
+}
+
+const AnimatedTouchableOpacity = Animated.createAnimatedComponent(TouchableOpacity);
+
+export const PhotoButton: React.FC<PhotoButtonProps> = ({
+  onPress,
+  disabled = false,
+  isCapturing = false,
+}) => {
+  const pressed = useSharedValue(false);
+
+  const animatedStyle = useAnimatedStyle(() => {
+    const scale = interpolate(pressed.value ? 1 : 0, [0, 1], [1, 0.9]);
+
+    return {
+      transform: [{ scale: withSpring(scale) }],
+    };
+  });
+
+  const handlePressIn = () => {
+    if (!disabled) {
+      pressed.value = true;
+    }
+  };
+
+  const handlePressOut = () => {
+    pressed.value = false;
+  };
+
+  return (
+    <AnimatedTouchableOpacity
+      onPress={onPress}
+      onPressIn={handlePressIn}
+      onPressOut={handlePressOut}
+      disabled={disabled || isCapturing}
+      activeOpacity={0.8}
+      style={animatedStyle}
+      className="items-center justify-center">
+      {/* Outer Ring */}
+      <View
+        className={`
+        h-20 w-20 items-center justify-center rounded-full border-4
+        ${disabled || isCapturing ? 'border-gray-400' : 'border-white'}
+      `}>
+        {/* Inner Circle */}
+        <View
+          className={`
+          h-16 w-16 rounded-full
+          ${disabled || isCapturing ? 'bg-gray-400' : 'bg-white'}
+        `}>
+          {isCapturing && (
+            <View className="h-full w-full items-center justify-center rounded-full bg-red-500">
+              <View className="h-8 w-8 rounded bg-white" />
+            </View>
+          )}
+        </View>
+      </View>
+
+      {isCapturing && <Text className="mt-2 text-sm font-medium text-white">Capturing...</Text>}
+    </AnimatedTouchableOpacity>
+  );
+};