Less is more. I don’t see the need for anything additional in a traffic area.

Nothing.

No furniture. You could get rid of that clock though and hang some alive art at eye level.

Looks like you've hung a lot of stuff willy nilly all over the walls, Take it all down. Then give us a wider shot of that corner of the room so we can see the wall on the right with the "A" as well.

Since there's nothing in your ideabooks, I had to just pick something I liked. Choose something you like instead. About this big. Then hang it here: