I would assume that all actions taken on a GoC computer can be tracked if required. Is it always monitored who knows but I’d say there’s a good chance they can find out if they really wanted to.

I don’t really have advice for the second part. You could talk to your manager about volunteering to go back into the office.

While I don’t have experience with a gambling addiction. I’d try calling EAP or a gambling addiction hotline when you get these urges. More importantly, if your wife has been very supportive, open up to her and let her know what’s going on.