import (
	"github.com/danielgtaylor/huma"
	humav2 "github.com/danielgtaylor/huma/v2"
	"github.com/danielgtaylor/huma/v2/adapters/humachi"
)

// ...

mux := chi.NewRouter()

app := huma.NewWithMux("My API", "1.0.0", mux)
// ... register v1 routes

// Set up v2 to use the same mux & register v2 routes
api := humachi.New(mux, humav2.DefaultConfig("My API", "1.0.0"))
humav2.Register(/* ... */)

app.Run()