Ok it's good you identified the bug and working on a fix. Hope we'll get to a stable agent at some point.
FYI for other tool that require an agent (Action1 or Itarian for example), I can directly download a customize agent from their website and my credentials are embedded in the installer. I just need to execute it and there is no need to input any credentials during installation or after, and the agents are self-updating.
I understand you don't have this use case now and you don't want to spend time on it, but just to let you know it became quite an industry standard nowadays.