Just a quick suggestion, in the unavoidable rise of AI and the web page writing abilities they offer, maybe a way to keep Elements relevant is to add an option to edit existing HTML files.
Good news, Elements already supports this. You can add “code” pages to your Project like this…
Alternatively, if you have snippets of code you want to add to a page, you can create and insert a reusable Custom Component:
Let m know if you have something else in mind, but hopefully that’ll get you up and running 
Thanks, a bit of a work around, and that works ok. I was thinking more like from open file, in the file menu, or import, in the file menu, and open with, in the right click menu.
Just add Choose File to the current dialog that comes on right-click within the Pages panel. This would allow me to choose existing .MD files I’ve made in OneMarkdown without having to drag them in or use the other methods of getting them there, and I believe it would solve @Dave’s problem, too.