ICRUDProxyTEntity Interface

[NotUseDI]
public interface ICRUDProxy<TEntity> : ICRUDProxy
where TEntity : IEntity

public class MyEntityACRUDProxy : CRUDProxy, ICRUDProxy<MyEntityA>
{
    ...
}
public class MyEntityBCRUDProxy : CRUDProxy, ICRUDProxy<MyEntityB>
{
    ...
}

builder.Services.AddTransient(typeof(ICRUDProxy<MyEntityA>), typeof(MyEntityACRUDProxy));
builder.Services.AddSingleton(typeof(ICRUDProxy<MyEntityB>), typeof(MyEntityBCRUDProxy));