silk wallpaper, window treatment
floor, ceiling overhang
sliding screen doors!
Motorized Screen Door
Let it retract. Maybe not so much a door in the conventional sense, these screen panels retract up into the structure, and the tracks are incorporated neatly. They're a well-thought-out solution when there are multiple screen panels.
Why not mimic the wood flooring with an unexpected wood ceiling? Applying the wood horizontally widens the hall; applying it vertically would make it feel longer.