console

type ConsoleBackend interface {
	Input(prompt string, env *object.Environment) (string, error)
	Print(text string, env *object.Environment)
	PrintAs(label, text string, env *object.Environment)
	StreamStart()
	StreamStartAs(label string)
	StreamChunk(chunk string)
	StreamEnd()
	SpinnerStart(text string)
	SpinnerStop()
	SetProgress(label string, pct float64)
	SetLabels(user, assistant, system string)
	SetStatus(left, right string)
	SetStatusLeft(left string)
	SetStatusRight(right string)
	RegisterCommand(name, description string, handler func(args string))
	RemoveCommand(name string)
	OnSubmit(fn func(ctx context.Context, text string))
	OnEscape(fn func())
	ClearOutput()
	Run() error
}