There's no reason to model folding wings, since we don't have to deal with limited storage space on the carriers, and the needs of moving and spotting aircraft. Keep in mind, you also wouldn't taxi on a carrier deck, you'd have deck crew manhandle aircraft to where they needed to be, though maybe something to simulate that instead.
I'd also already like to see multiple carrier types (Lexington, Yorktown, Essex, etc.) modeled for Special Events purposes, with the ability to use the "Country" decals to instead show hull numbers. This can be independent of the catapult idea.
ESPECIALLY like this for adding CVLs/CVEs, which could be used towards removing LVTs from the CV groups and creating separate, specialized "Invasion Groups."