Use compound json serializer context

src/pdns-dhcp/PowerDns/Methods.cs

@@ -9,13 +9,6 @@ public interface IMethod;
 [JsonDerivedType(typeof(LookupMethod), "lookup")]
 public class Method;
 
-[JsonSerializable(typeof(Method)), JsonSourceGenerationOptions(
-	GenerationMode = JsonSourceGenerationMode.Metadata,
-	NumberHandling = JsonNumberHandling.AllowReadingFromString,
-	UseStringEnumConverter = true
-)]
-internal partial class MethodContext : JsonSerializerContext;
-
 public abstract class Method<TParam>(TParam parameters) : Method
 	where TParam : MethodParameters
 {

src/pdns-dhcp/PowerDns/Parameters.cs

@@ -3,6 +3,8 @@ using System.Text.Json.Serialization;
 
 namespace pdns_dhcp.PowerDns;
 
+[JsonDerivedType(typeof(InitializeParameters))]
+[JsonDerivedType(typeof(LookupParameters))]
 public record class Parameters;
 
 public record class MethodParameters : Parameters

src/pdns-dhcp/PowerDns/PowerDnsHandler.cs

@@ -42,7 +42,7 @@ public class PowerDnsHandler : ConnectionHandler
 				buffer.Write(memory.Span);
 				if (ConsumeJson(buffer, json, ref state))
 				{
-					var method = JsonSerializer.Deserialize(json.WrittenSpan, MethodContext.Default.Method)!;
+					var method = JsonSerializer.Deserialize(json.WrittenSpan, PowerDnsSerializerContext.Default.Method)!;
 					json.Clear();
 					state = default;
 
@@ -53,7 +53,7 @@ public class PowerDnsHandler : ConnectionHandler
 					}
 					catch (Exception e) { }
 
-					await JsonSerializer.SerializeAsync(writer, reply, ReplyContext.Default.Reply, connection.ConnectionClosed)
+					await JsonSerializer.SerializeAsync(writer, reply, PowerDnsSerializerContext.Default.Reply, connection.ConnectionClosed)
 						.ConfigureAwait(continueOnCapturedContext: false);
 				}
 			}

src/pdns-dhcp/PowerDns/PowerDnsSerializerContext.cs

@@ -0,0 +1,14 @@
+using System.Text.Json.Serialization;
+
+namespace pdns_dhcp.PowerDns;
+
+[JsonSerializable(typeof(Reply))]
+[JsonSerializable(typeof(Method))]
+[JsonSerializable(typeof(Parameters))]
+[JsonSourceGenerationOptions(
+	DefaultIgnoreCondition = JsonIgnoreCondition.WhenWritingNull,
+	NumberHandling = JsonNumberHandling.AllowReadingFromString,
+	UseStringEnumConverter = true,
+	WriteIndented = false
+)]
+internal partial class PowerDnsSerializerContext : JsonSerializerContext;

src/pdns-dhcp/PowerDns/Replies.cs

@@ -6,13 +6,6 @@ namespace pdns_dhcp.PowerDns;
 [JsonDerivedType(typeof(LookupReply))]
 public abstract class Reply;
 
-[JsonSerializable(typeof(Reply)), JsonSourceGenerationOptions(
-	GenerationMode = JsonSourceGenerationMode.Metadata,
-	DefaultIgnoreCondition = JsonIgnoreCondition.WhenWritingNull,
-	WriteIndented = false
-)]
-internal partial class ReplyContext : JsonSerializerContext;
-
 public abstract class Reply<T>(T result) : Reply
 {
 	[JsonPropertyName("result")]