Yeah, I was under the mistaken assumption that this is meant to be used in MediaWiki code, in production, and not as a mockup tool. ...
It seems that the goal was to bring Bootstrap as close to OOjs UI MediaWiki theme as possible,
- ...
- The kinds of controls that can be expressed in plain HTML/CSS is a fraction of what can be expressed using OOjs UI or any other JavaScript-based approach. Even simple things, like designing a type-ahead feature, can't be done using HTML/CSS alone.
This leads me to feel strongly that this while it might be cool for the production library (OOjs UI) to be used in some way to make the designer's work easier, it's not required ...