Fix Sppass which uses GET instead of POST

Core/Server/Models/Response/KeepAlivePcbTrackerResponse.cs

@@ -0,0 +1,10 @@
+using System.Xml.Serialization;
+
+namespace Server.Models.Response;
+
+[XmlRoot("pcbtracker")]
+public class KeepAlivePcbTrackerResponse
+{
+    [XmlAttribute("status")]
+    public required int Status { get; set; }
+}

Core/Server/Models/Response/SppassLookupResponse.cs

@@ -1,4 +1,5 @@
 using System.Xml.Serialization;
+using Abstractions.SerializationTypes;
 
 namespace Server.Models.Response;
 
@@ -8,15 +9,15 @@ public class SppassLookupResponse
     [XmlAttribute("status")]
     public required int Status { get; set; }
 
-    [XmlAttribute("url")]
-    public required string Url { get; set; }
+    [XmlElement("url")]
+    public required XrpcString Url { get; set; }
 
-    [XmlAttribute("interval")]
-    public required int Interval { get; set; }
+    [XmlElement("interval")]
+    public required XrpcInt Interval { get; set; }
 
-    [XmlAttribute("card_type")]
-    public string CardType { get; set; } = "";
+    [XmlElement("card_type")]
+    public XrpcString CardType { get; set; } = "";
 
-    [XmlAttribute("card_id")]
-    public string CardId { get; set; } = "";
+    [XmlElement("card_id")]
+    public XrpcString CardId { get; set; } = "";
 }

Core/Server/Models/Response/SppassOpenResponse.cs

@@ -1,4 +1,5 @@
 using System.Xml.Serialization;
+using Abstractions.SerializationTypes;
 
 namespace Server.Models.Response;
 
@@ -8,15 +9,15 @@ public class SppassOpenResponse
     [XmlAttribute("status")]
     public required int Status { get; set; }
 
-    [XmlAttribute("token")]
-    public required string Token { get; set; }
+    [XmlElement("token")]
+    public required XrpcString Token { get; set; }
 
-    [XmlAttribute("expire_datetime")]
-    public required string ExpireDatetime { get; set; }
+    [XmlElement("expire_datetime")]
+    public required XrpcString ExpireDatetime { get; set; }
 
-    [XmlAttribute("url")]
-    public required string Url { get; set; }
+    [XmlElement("url")]
+    public required XrpcString Url { get; set; }
 
-    [XmlAttribute("interval")]
-    public required int Interval { get; set; }
+    [XmlElement("interval")]
+    public required XrpcInt Interval { get; set; }
 }