Dropdown header links in the existing Header

I’d really like a Theme Component where a dropdown menu can be placed in the standard Discourse header adjacent to the icons on the right.

We’ve got two good Theme Components (by the awesome Joe) that do 1/2 of this each:

Would it be possible to achieve this by extending one or the other of these TCs or by combining them together?


The awesome @keegan has delivered the goods on this one: