优化相册管理与指定上传弹层展示逻辑。

相册详情网格仅对已购买素材显示角标；指定上传 Sheet 改用 NavigationStack 与系统 navigationTitle。

Co-authored-by: Cursor <cursoragent@cursor.com>

suixinkan/Features/TravelAlbum/TravelAlbum.md

@@ -25,7 +25,7 @@ Android 对照：`zhiflyfollow/.../TravelAlbumDetailScreen.kt`
 ```
 TravelAlbumDetailInfoCard        # 信息卡片：手机号 + 创建时间 + 拨号
 TravelAlbumDetailPhotoManageCard # 白卡片：Tab / 排序 / 批量选择 + 网格
-TravelAlbumDetailMaterialGridItem# 缩略图 + 已上传角标 + 文件名 + 大小
+TravelAlbumDetailMaterialGridItem# 缩略图 + 已购买角标（条件显示）+ 文件名 + 大小
 BottomBar                        # 上传照片 + 条件删除选中
 ```
 

suixinkan/Features/TravelAlbum/Views/TravelAlbumDetail/TravelAlbumDetailMaterialGridItem.swift

@@ -57,15 +57,17 @@ struct TravelAlbumDetailMaterialGridItem: View {
             }
             .clipShape(RoundedRectangle(cornerRadius: TravelAlbumDetailDesign.thumbnailCornerRadius))
             .overlay(alignment: .topLeading) {
-                Text("已上传")
+                if material.isPurchased {
+                    Text("已购买")
                         .font(.system(size: 10))
                         .foregroundStyle(.white)
                         .padding(.horizontal, 4)
                         .padding(.vertical, 2)
-                    .background(TravelAlbumDetailDesign.uploadedGreen)
+                        .background(AppDesign.primary)
                         .clipShape(RoundedRectangle(cornerRadius: TravelAlbumDetailDesign.uploadedBadgeCornerRadius))
                         .padding(4)
                 }
+            }
             .overlay(alignment: .topTrailing) {
                 if isSelectionMode {
                     Image(systemName: isSelected ? "checkmark.circle.fill" : "circle")

suixinkan/Features/TravelAlbum/Views/WiredCameraTransferView.swift

@@ -141,7 +141,7 @@ struct WiredCameraTransferView: View {
                     )
                 }
             }
-            .presentationDetents([.height(340)])
+            .presentationDetents([.height(360)])
             .presentationDragIndicator(.hidden)
         }
         .sheet(isPresented: $viewModel.showHelpDoc) {

suixinkan/Features/TravelAlbum/Views/WiredTransfer/SpecifyUploadBottomSheet.swift

@@ -18,25 +18,15 @@ struct SpecifyUploadBottomSheet: View {
     ]
 
     var body: some View {
+        NavigationStack {
             VStack(spacing: 0) {
-            ZStack {
-                Button("取消") { isPresented = false }
-                    .font(.system(size: 16))
-                    .foregroundStyle(AppDesign.primary)
-                    .frame(maxWidth: .infinity, alignment: .leading)
-                Text("指定上传")
-                    .font(.system(size: 17, weight: .semibold))
-                    .foregroundStyle(WiredTransferDesign.text333)
-            }
-            .padding(.horizontal, 16)
-            .frame(height: 52)
-
                 VStack(spacing: 12) {
                     ForEach(options, id: \.self) { option in
                         optionRow(option)
                     }
                 }
                 .padding(.horizontal, 16)
+                .padding(.top, 12)
 
                 Spacer(minLength: 20)
 
@@ -66,6 +56,9 @@ struct SpecifyUploadBottomSheet: View {
                 .padding(.vertical, 12)
             }
             .background(WiredTransferDesign.pageBackground)
+            .navigationTitle("指定上传")
+            .navigationBarTitleDisplayMode(.inline)
+        }
         .onAppear {
             selectedOption = options.first ?? WiredCameraTransferViewModel.specifyUploadAllPending
         }