prepare combo qr login

src/Snap.Hutao/Snap.Hutao/View/Dialog/UserQRCodeDialog.xaml.cs

@@ -145,6 +145,14 @@ internal sealed partial class UserQRCodeDialog : ContentDialog, IDisposable
                     ArgumentNullException.ThrowIfNull(uidGameToken);
                     return uidGameToken;
                 }
+
+                // only available when game id is 4
+                else if (query is { ReturnCode: 0, Data: { Stat: "Confirmed", Payload.Proto: "Combo" } })
+                {
+                    ComboTokenWrapper? comboTokenWrapper = JsonSerializer.Deserialize<ComboTokenWrapper>(query.Data.Payload.Raw);
+                    ArgumentNullException.ThrowIfNull(comboTokenWrapper);
+                    return UidGameToken.From(comboTokenWrapper);
+                }
                 else if (query.ReturnCode == (int)KnownReturnCode.QrCodeExpired)
                 {
                     break;

src/Snap.Hutao/Snap.Hutao/Web/Hoyolab/Passport/ComboTokenWrapper.cs

@@ -0,0 +1,13 @@
+// Copyright (c) DGP Studio. All rights reserved.
+// Licensed under the MIT license.
+
+namespace Snap.Hutao.Web.Hoyolab.Passport;
+
+internal sealed class ComboTokenWrapper
+{
+    [JsonPropertyName("open_id")]
+    public string OpenId { get; set; } = default!;
+
+    [JsonPropertyName("open_token")]
+    public string OpenToken { get; set; } = default!;
+}

src/Snap.Hutao/Snap.Hutao/Web/Hoyolab/Passport/UidGameToken.cs

@@ -1,14 +1,22 @@
 // Copyright (c) DGP Studio. All rights reserved.
 // Licensed under the MIT license.
 
+using Snap.Hutao.Core.Abstraction;
+
 namespace Snap.Hutao.Web.Hoyolab.Passport;
 
 [HighQuality]
-internal sealed class UidGameToken
+internal sealed class UidGameToken : IMappingFrom<UidGameToken, ComboTokenWrapper>
 {
     [JsonPropertyName("uid")]
     public string Uid { get; set; } = default!;
 
     [JsonPropertyName("token")]
     public string GameToken { get; set; } = default!;
+
+    public static UidGameToken From(ComboTokenWrapper wrapper) => new()
+    {
+        Uid = wrapper.OpenId,
+        GameToken = wrapper.OpenToken,
+    };
 }