I like the glass balcony above the extension. Also like the sliding doors and inside to outside concept. I think I'm going off sliding folding doors - towardstriple sliders, I think it gives the best of both.
LR window seat inspiration--but with thick cushion. (Note how backrest plane and then seat plane expand overall width without having to thicken the wall.) Napa Valley House by Steven Harris Architecture (Architect: Eliot Lee)