[#69] 원본 이미지 디스크 기반 저장으로 메모리 최적화

Author: Hrepay

Codive/Features/Feed/Presentation/Add/ViewModel/RecordDetailViewModel.swift

@@ -149,7 +149,6 @@ final class RecordDetailViewModel: ObservableObject {
             if let image = await downloadImage(from: feedImage.imageUrl) {
                 var selectedPhoto = SelectedPhoto(
                     id: UUID().uuidString,
-                    originalImage: image,
                     croppedImage: image,
                     order: index,
                     clothTags: [] // 기존 태그는 나중에 로드됨

Codive/Features/Home/Presentation/ViewModel/HomeViewModel.swift

@@ -379,7 +379,6 @@ extension HomeViewModel {
 
                 let selectedPhoto = SelectedPhoto(
                     id: UUID().uuidString,
-                    originalImage: recordImage,
                     croppedImage: recordImage,
                     order: 1
                 )

Codive/Shared/Services/Photo/Domain/Entities/PhotoAlbum.swift

@@ -28,13 +28,36 @@ struct PhotoAsset: Identifiable {
 // MARK: - SelectedPhoto Entity
 struct SelectedPhoto: Identifiable, Equatable, Hashable {
     let id: String
-    let originalImage: UIImage
+    private(set) var originalImagePath: URL?
     var croppedImage: UIImage
     var order: Int
     var clothTags: [ClothTag] = []
     var imageUrl: String? // 수정 모드에서 기존 이미지 URL 저장
     var aiImageUrl: String? // AI 누끼 이미지 URL
 
+    /// 원본 이미지를 tmp 디스크에 저장하고 경로만 보관 (메모리 절약)
+    mutating func saveOriginalToDisk(_ image: UIImage) {
+        let path = FileManager.default.temporaryDirectory
+            .appendingPathComponent("original_\(id).jpg")
+        if let data = image.jpegData(compressionQuality: 0.9) {
+            try? data.write(to: path)
+            originalImagePath = path
+        }
+    }
+
+    /// 재크롭 시에만 디스크에서 원본 이미지 로드
+    func loadOriginalImage() -> UIImage? {
+        guard let path = originalImagePath,
+              let data = try? Data(contentsOf: path) else { return nil }
+        return UIImage(data: data)
+    }
+
+    /// tmp 파일 정리
+    func cleanupOriginal() {
+        guard let path = originalImagePath else { return }
+        try? FileManager.default.removeItem(at: path)
+    }
+
     func hash(into hasher: inout Hasher) {
         hasher.combine(id)
         hasher.combine(order)

Codive/Shared/Services/Photo/Presentation/PhotoEditView.swift

@@ -112,7 +112,7 @@ struct PhotoEditView: View {
         .fullScreenCover(isPresented: $viewModel.isEditingMode) {
             if let currentPhoto = viewModel.currentPhoto {
                 ImageCropView(
-                    image: currentPhoto.originalImage,
+                    image: currentPhoto.loadOriginalImage() ?? currentPhoto.croppedImage,
                     aspectRatio: viewModel.aspectRatio,
                     allowZoomOut: viewModel.allowZoomOut,
                     onComplete: { croppedImage in

Codive/Shared/Services/Photo/Presentation/ViewModel/PhotoEditViewModel.swift

@@ -105,6 +105,7 @@ final class PhotoEditViewModel: ObservableObject {
     }
 
     func completeEditing() {
+        cleanupOriginalImages()
         switch flowType {
         case .record:
             navigationRouter.navigate(to: .recordDetail(photos: selectedPhotos))
@@ -118,6 +119,15 @@ final class PhotoEditViewModel: ObservableObject {
     }
 
     func confirmExit() {
+        cleanupOriginalImages()
         navigationRouter.navigateBack()
     }
+
+    // MARK: - Private Methods
+
+    private func cleanupOriginalImages() {
+        for photo in selectedPhotos {
+            photo.cleanupOriginal()
+        }
+    }
 }

Codive/Shared/Services/Photo/Presentation/ViewModel/RecordAddViewModel.swift

@@ -192,12 +192,12 @@ final class RecordAddViewModel: ObservableObject {
                         croppedImage = processImageUseCase.cropTo1_1Ratio(image)
                     }
 
-                    let selectedPhoto = SelectedPhoto(
+                    var selectedPhoto = SelectedPhoto(
                         id: photo.id,
-                        originalImage: image,
                         croppedImage: croppedImage,
                         order: index + 1
                     )
+                    selectedPhoto.saveOriginalToDisk(image)
                     selectedPhotoItems.append(selectedPhoto)
                 }
             }