Hi,
The Context Reverso output is very curious. The presence of some system is obvious; unfortunately, I can't tell what it is
Okay, let's go to the cape as agreed.
Vale, vamos al cabo como acordamos.
Shoot him in the head and let's go.
Dispárale en la cabeza y vámonos.
Okay, soldier boy, let's go roust some muggers.
De acuerdo, soldado, vayamos a atrapar algunos ladrones.
Well, then let's go hunting elks.
Bueno, vayamos a cazar alces.
So we have
vamos, vamonos, and
vayamos a in very similar sentences. What's the subtle difference?