Alright, thanks. My case seems a bit unique or at least not mentioned very often. I'll be sure to give a thorough report once I've received my extension (or not!).
The ask:thailand community, consisting of multiple Q/A groups with over 100,000 members, powers this platform. It is not an official government resource. Our members actively contribute to this resource, and while we strive for accuracy, we cannot guarantee its complete reliability. Assistance to travelers is provided as a community service.