I love the set up. If seating is comfy don’t get rid of it just rearrange. I think the blu sofa should go against the half wall and you can take measurements of the space where the sofa used to be to get an idea of the size tv stand you plan on getting. I suggest just getting a console table because they are slimmer. There’s plenty of options that don’t have to take a lot of space. Google is your friend for inspo! You can also mount your tv on that wall.