Nasco (2)
Instead of the little couch you can do stadium seating that can be closer to the window; can also have a desk area like this with some closed cabinets along the top and another row of open cubbies for baskets underneath the uppers with art supplies; roller for paper; desk along the bottom part that's like for art, computers, etc.
walnut table/bench
If space allows - a sliding chalkboard door that slides to open to reading nook under stairs.
Chimney vent hood in front of window
Tiled venthood
Q