优化有线传图页设备展示，并缓存传输模式选项。

未连接状态改为「未连接相机」；设备型号映射为可读名称而非 iPhone12,1 等内部代号；边拍边传/拍后传输按账号持久化并在下次进入时恢复。

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

suixinkan/Features/TravelAlbum/Services/DeviceStorageHelper.swift

@@ -27,19 +27,7 @@ enum DeviceStorageHelper {
     }
 
     private static func buildModelName() -> String {
-        var systemInfo = utsname()
-        uname(&systemInfo)
-        let machine = withUnsafePointer(to: &systemInfo.machine) {
-            $0.withMemoryRebound(to: CChar.self, capacity: 1) {
-                String(cString: $0)
-            }
-        }
-        let marketingName = UIDevice.current.name.trimmingCharacters(in: .whitespacesAndNewlines)
-        if !marketingName.isEmpty, marketingName != "iPhone", !marketingName.hasPrefix("iPad") {
-            return marketingName
-        }
-        if !machine.isEmpty { return machine }
-        return UIDevice.current.model
+        DeviceModelNameResolver.marketingName()
     }
 
     private static func availableDocumentsBytes() -> Int64 {