Huma has a concept of transformers that allow you to modify the response before it's sent to the client.
In Huma, Transformers are defined in Config upon huma.API creation and get applied to all responses.
The library allows you to define transformers per APIGen instance:
hureg.Get(api, "/mouse", ...) // no transformers applied
trGr := api.AddTransformers(tr1) // transformers will be applied only to the operations
// registered in this group
hureg.Get(trGr, "/crocodile", ...) // tr1 will be applied