Source code generation not working with partial record, only with partial class

[Generators.Pkt]
public partial record/class ChatMsgReq
{
    public int Ticks { get; set; }
    public required string Msg { get; set; }
    public bool OnlyBalloon { get; set; }
}

// <auto-generated/>

using System;
using System.Collections.Generic;

using A.Net;

namespace A.Proto;

public partial record ChatMsgReq : IDecodePacket<ChatMsgReq>, IEncodePacket
{
    public static ChatMsgReq DecodePacket(ref PacketReader r)
    {
        return new ChatMsgReq
        {
            Ticks = r.ReadInt(),
            Msg = r.ReadString(),
            OnlyBalloon = r.ReadBool(),
        };
    }

    public void EncodePacket(ref PacketWriter w)
    {
        w.WriteInt(Ticks);
        w.WriteString(Msg);
        w.WriteBool(OnlyBalloon);
    }
}

// <auto-generated/>

using System;
using System.Collections.Generic;

using A.Net;

namespace A.Proto;

public partial class ChatMsgReq : IDecodePacket<ChatMsgReq>, IEncodePacket
{
    public static ChatMsgReq DecodePacket(ref PacketReader r)
    {
        return new ChatMsgReq
        {
            Ticks = r.ReadInt(),
            Msg = r.ReadString(),
            OnlyBalloon = r.ReadBool(),
        };
    }

    public void EncodePacket(ref PacketWriter w)
    {
        w.WriteInt(Ticks);
        w.WriteString(Msg);
        w.WriteBool(OnlyBalloon);
    }
}