As you mention above, the only way to view the LEM Console within Orion is via the external URL option.
As you can see from the What We're Working On page, better integration with LEM & Orion is listed.
Oddly enough, when I was sitting on Santa's lap a few weeks ago I asked for the very same thing. He said he would get back to me. I gave him @jhynds name as a POC. So get ready for a call @jhynds. You'll want to stay off the naughty list.