Defined a JSON converter for the EncryptedText type

app/MindWork AI Studio/Tools/EncryptedText.cs

@@ -1,7 +1,9 @@
 using System.Security;
+using System.Text.Json.Serialization;
 
 namespace AIStudio.Tools;
 
+[JsonConverter(typeof(EncryptedTextJsonConverter))]
 public readonly record struct EncryptedText(string EncryptedData)
 {
     public EncryptedText() : this(string.Empty)

app/MindWork AI Studio/Tools/EncryptedTextJsonConverter.cs

@@ -0,0 +1,27 @@
+using System.Text.Json;
+using System.Text.Json.Serialization;
+
+namespace AIStudio.Tools;
+
+public sealed class EncryptedTextJsonConverter : JsonConverter<EncryptedText>
+{
+    #region Overrides of JsonConverter<EncryptedText>
+
+    public override EncryptedText Read(ref Utf8JsonReader reader, Type typeToConvert, JsonSerializerOptions options)
+    {
+        if (reader.TokenType is JsonTokenType.String)
+        {
+            var value = reader.GetString()!;
+            return new EncryptedText(value);
+        }
+        
+        throw new JsonException($"Unexpected token type when parsing EncryptedText. Expected {JsonTokenType.String}, but got {reader.TokenType}.");
+    }
+
+    public override void Write(Utf8JsonWriter writer, EncryptedText value, JsonSerializerOptions options)
+    {
+        writer.WriteStringValue(value.EncryptedData);
+    }
+
+    #endregion
+}