oprava konvertoru

Program.cs

@@ -1,5 +1,6 @@
 using Microsoft.OpenApi.Models;
 using Newtonsoft.Json;
+using Newtonsoft.Json.Serialization;
 using Idoklad.Client;
 using Idoklad.Configuration;
 using Idoklad.Credentials;
@@ -47,6 +48,18 @@ builder.Services
     .AddNewtonsoftJson(options =>
     {
         options.SerializerSettings.NullValueHandling = NullValueHandling.Ignore;
+
+        // Some IdokladSdk converters attached to model members only support reading (their
+        // WriteJson throws NotImplementedException), which makes responses carrying such models
+        // fail. The resolver bypasses them on the write path; the existing naming strategy is
+        // preserved so property names in responses do not change.
+        var contractResolver = new SdkContractResolver();
+        if (options.SerializerSettings.ContractResolver is DefaultContractResolver defaultResolver)
+        {
+            contractResolver.NamingStrategy = defaultResolver.NamingStrategy;
+        }
+
+        options.SerializerSettings.ContractResolver = contractResolver;
     });
 
 builder.Services.AddEndpointsApiExplorer();