I'm not sure about cameras, but I certainly wouldn't assume you're not being eavesdropped even in your own room. Our hosts seem to have a remarkable amount of control over the hotel, judging by what I've heard from some people who've crossed them.

[She hasn't done it personally, which is likely obvious from her deliberately distant tone from the topic of people getting into it with the hosts, but that's mostly just because she wants to look trustworthy. Until the moment it stops being potentially useful.] They also have something of a habit of toying with us around once a month, usually for a few days or a week. So be prepared for that.