Ah Frank what in life isn't complicated lol
I bought an RV framed door with screen off of Ebay a few years back when I enclosed the pilot house on my motor sailor. They come in varieties of width and height...and for a larger price could be made to exact size. The hinges would have to be removed but it would look like a door on the egg camper
.... the screen door would open outward so you could always get into the closet easily.
I like the way the fiberglass door works and looks, but if ParkLiner ever went out of business and I couldn't find replacement hinges that's the route I would be looking at.