Fix SerializerContext for lambda

Author: reakaleek

src/api/Elastic.Documentation.Api.Lambda/Program.cs

@@ -2,9 +2,11 @@
 // Elasticsearch B.V licenses this file to you under the Apache 2.0 License.
 // See the LICENSE file in the project root for more information
 
+using System.Text.Json;
 using System.Text.Json.Serialization;
 using Amazon.Lambda.APIGatewayEvents;
 using Amazon.Lambda.Serialization.SystemTextJson;
+using Elastic.Documentation.Api.Core.AskAi;
 using Elastic.Documentation.Api.Infrastructure;
 
 var builder = WebApplication.CreateSlimBuilder(args);
@@ -19,6 +21,7 @@
 
 app.Run();
 
-[JsonSerializable(typeof(APIGatewayHttpApiV2ProxyRequest), GenerationMode = JsonSourceGenerationMode.Metadata)]
-[JsonSerializable(typeof(APIGatewayHttpApiV2ProxyResponse), GenerationMode = JsonSourceGenerationMode.Default)]
+[JsonSerializable(typeof(APIGatewayProxyRequest))]
+[JsonSerializable(typeof(APIGatewayProxyResponse))]
+[JsonSerializable(typeof(AskAiRequest))]
 internal sealed partial class LambdaJsonSerializerContext : JsonSerializerContext;