SourceGenerator で実装された PocoFreezer がほしい

FreezableObjectAttributes.cs

public class FreezableObjectAttribute : Attribute
{
    public bool GenerateRecord { get; set; }
}

public class PocoFreezerGenerated : Attribute{}

Generated.cs

// SourceGenerator で生成されるコード

[PocoFreezerGenerated]
public partial record FrozenSamplePoco1(string Hoge, int Fuga);

[PocoFreezerGenerated]
public partial class FrozenSamplePoco2
{
    public FrozenSamplePoco2(string hoge, int fuga)
    {
        Hoge = hoge;
        Fuga = fuga;
    }
    
    public string Hoge { get; }
    public int Fuga { get; }
}

public static partial class SamplePoco1Freezer
{
    public static FrozenSamplePoco1 Freeze(this SamplePoco1 source)
    {
        return new FrozenSamplePoco1(source.Hoge, source.Fuga);
    }
}

public static partial class SamplePoco2Freezer
{
    public static FrozenSamplePoco2 Freeze(this SamplePoco2 source)
    {
        return new FrozenSamplePoco2(source.Hoge, source.Fuga);
    }
}

UserCode.cs

// ユーザが書くコード

[FreezableObject(GenerateRecord = true)]
public class SamplePoco1
{
    public string Hoge { get; set; }
    public int Fuga { get; set; }
}

[FreezableObject(GenerateRecord = false)]
public class SamplePoco2
{
    public string Hoge { get; set; }
    public int Fuga { get; set; }
}