The whole store is far in the future x3
(Well, time wise, proper nostr dev on my end probably won't start until good-margin profit comes along or investors comes in, or bug enough grants.
Though in my free time, when I can, and until the nostr and backend dev start, I'd start designing the site (already have), which would make everything most ready and clear for a speedier development.
When those conditions are met, probably at least 6 months later to 12, and when it starts, an initial version would come out in two months probably.
Wishlist, just a list, would be added relatively fast, but added functionality, similar to what you mentioned, would take a bit of time.