完善 OTG 相机有线传图：支持 Sony/Canon 自动识别，页面 detach 保持会话以便再次进入复连。

引入进程级 CameraTetheringSession 与共享 USB Browser；离开传图页仅取消 UI 回调，App 终止时再完整 shutdown 释放 PTP 与 Browser 资源。

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

suixinkan/Features/TravelAlbum/Views/WiredCameraTransferView.swift

@@ -16,6 +16,7 @@ struct WiredCameraTransferView: View {
     @Environment(\.ossUploadService) private var ossUploadService
     @EnvironmentObject private var toastCenter: ToastCenter
     @Environment(\.dismiss) private var dismiss
+    @Environment(\.scenePhase) private var scenePhase
 
     @StateObject private var viewModel: WiredCameraTransferViewModel
     @State private var previewSources: [String]?
@@ -26,7 +27,7 @@ struct WiredCameraTransferView: View {
         _viewModel = StateObject(
             wrappedValue: WiredCameraTransferViewModel(
                 context: context,
-                cameraService: CameraServiceFactory.make(brand: .sony)
+                cameraService: CameraServiceFactory.makeAutoDetect()
             )
         )
     }
@@ -50,6 +51,7 @@ struct WiredCameraTransferView: View {
                 deviceStorageInfo: viewModel.deviceStorageInfo,
                 isCameraConnected: viewModel.isCameraConnected,
                 isRefreshingCameraFiles: viewModel.isRefreshingCameraFiles,
+                isSearchingCamera: viewModel.isSearchingCamera,
                 cameraDeviceName: viewModel.cameraDeviceName,
                 transferModeOption: viewModel.transferModeOption,
                 tabTitles: tabTitles,
@@ -103,7 +105,11 @@ struct WiredCameraTransferView: View {
             )
         }
         .onDisappear {
-            Task { await viewModel.stop() }
+            viewModel.detachFromUI()
+        }
+        .onChange(of: scenePhase) { phase in
+            guard phase == .active, !viewModel.isCameraConnected else { return }
+            Task { await viewModel.restartCameraSearch() }
         }
         .onChange(of: viewModel.errorMessage) { message in
             guard let message, !message.isEmpty else { return }

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

@@ -11,6 +11,7 @@ struct WiredTransferControlCard: View {
     let deviceStorageInfo: DeviceStorageSnapshot
     let isCameraConnected: Bool
     let isRefreshingCameraFiles: Bool
+    let isSearchingCamera: Bool
     let cameraDeviceName: String
     let transferModeOption: String
     let tabTitles: [String]
@@ -130,19 +131,20 @@ struct WiredTransferControlCard: View {
                 .clipShape(RoundedRectangle(cornerRadius: 8))
         }
         .buttonStyle(.plain)
-        .disabled(!isCameraConnected || isRefreshingCameraFiles)
-        .opacity(isCameraConnected && !isRefreshingCameraFiles ? 1 : 0.85)
+        .disabled(isRefreshingCameraFiles || isSearchingCamera)
+        .opacity(isRefreshingCameraFiles || isSearchingCamera ? 0.85 : 1)
     }
 
     private var refreshButtonTitle: String {
+        if isSearchingCamera { return "搜索中" }
         if isRefreshingCameraFiles { return "读取中" }
         if isCameraConnected { return "刷新" }
-        return "等待连接"
+        return "重新搜索"
     }
 
     private var refreshButtonColor: Color {
-        if !isCameraConnected { return WiredTransferDesign.danger }
-        if isRefreshingCameraFiles { return WiredTransferDesign.text999 }
+        if isSearchingCamera || isRefreshingCameraFiles { return WiredTransferDesign.text999 }
+        if !isCameraConnected { return AppDesign.primary }
         return AppDesign.primary
     }