That's pretty neat. So you are controlling imessage software on a physical device? You haven't had control synchronization problems or stability issues?
Yes. There's a mac mini running which directly interfaces with the Messages app and underlying data storage. There's been a few synchronization problems, but for the most part the Messages platform is fairly robust. Unfortunately, there's a couple sleep statements that I had to write in for the short term, but there's a path to removing them in the long term.