Ideas for a Lego Room?

Hey y’all. My wife and I are preparing to buy a new house, and she’s given me permission to take over the home’s old reading room as my office/Lego room. She told me—and I quote—“It’s your room. You can do whatever you want (within reason).” So now I’m looking for ideas. I’ve included pictures of the room (not my furniture) as well as photos of my current Lego room for reference. My wife and I are still choosing flooring options, but everything else—paint, shelving, lighting, and layout—is up...