feat(image): 이미지 선택 후 크롭 편집 흐름을 안정화한다

SodaLive/Sources/Live/Room/V2/LiveRoomViewV2.swift

@@ -17,6 +17,10 @@ struct LiveRoomViewV2: View {
     
     @State private var textHeight: CGFloat = .zero
     @State private var menuTextHeight: CGFloat = .zero
+    @State private var selectedPickedImage: UIImage?
+    @State private var cropSourceImage: UIImage?
+    @State private var isShowImageCropper = false
+    @State private var isImageLoading = false
     
     // 롱프레스 하트 물 채우기 상태
     @State private var isLongPressingHeart: Bool = false
@@ -764,6 +768,10 @@ struct LiveRoomViewV2: View {
             if viewModel.isV2VLoading {
                 LoadingView()
             }
+
+            if isImageLoading {
+                LoadingView()
+            }
         }
         .overlay(alignment: .center) {
             ZStack {
@@ -840,10 +848,47 @@ struct LiveRoomViewV2: View {
         .sheet(isPresented: $viewModel.isShowPhotoPicker) {
             ImagePicker(
                 isShowing: $viewModel.isShowPhotoPicker,
-                selectedImage: $viewModel.coverImage,
+                selectedImage: $selectedPickedImage,
                 sourceType: .photoLibrary
             )
         }
+        .onChange(of: selectedPickedImage, perform: { newImage in
+            guard let newImage else {
+                return
+            }
+
+            isImageLoading = true
+
+            DispatchQueue.global(qos: .userInitiated).async {
+                let normalizedImage = newImage.normalizedForCrop()
+                DispatchQueue.main.async {
+                    isImageLoading = false
+                    selectedPickedImage = nil
+                    cropSourceImage = normalizedImage
+                    isShowImageCropper = true
+                }
+            }
+        })
+        .onDisappear {
+            isImageLoading = false
+        }
+        .sheet(isPresented: $isShowImageCropper, onDismiss: {
+            cropSourceImage = nil
+        }) {
+            if let cropSourceImage {
+                ImageCropEditorView(
+                    image: cropSourceImage,
+                    aspectPolicy: .free,
+                    onCancel: {
+                        isShowImageCropper = false
+                    },
+                    onComplete: { croppedImage in
+                        viewModel.coverImage = croppedImage
+                        isShowImageCropper = false
+                    }
+                )
+            }
+        }
         .sheet(isPresented: $viewModel.isShowEditRoomInfoDialog) {
             if let liveRoomInfo = viewModel.liveRoomInfo {
                 LiveRoomInfoEditDialog(