I 'smoke' in my garage around my ferrets and they are perfectly fine (I got a lounge, fridge, tv and gaming console out there)
although I try not to get too much smoke in their direction lol
And I have smoked around pets for years and nothing bad has happened, YET! (I always try and avoid blowing smoke at the pet, because I don't like the idea of my animals getting baked)
BUT in saying that, each time the animal was outside - or in the ferrets case, in a wire cage, right next to a garage door with PLENTY of ventilation
And your enclosure won't have much ventilation, so if any smoke was to get into the enclosure and dutch it out....THAT is what could be dangerous
So I probably wouldn't risk that
FACT
Weed has been proven to be the least harmful drug, including cigarettes and alcohol
And the main reason people get health issues is because they either do it from a plastic bong, or because of the tobacco they mix it with
And there is also no record of anyone ever over-dosing from pot
-My health teacher actually confirmed this a few years back (I don't go to school anymore)
I'm definitely not trying to push it on anyone, I just thought I would state that for anyone that wants to flame a pot smoker.