Usually you would get a touch up kit.. or it would be avail from the maker….theres a funny look to a couple of them. what warranty is on the cabs? find that out.

Finger nail polish. Zillions of colors to match.

The top of the trash pullout and sink base cabinets are two very vulnerable areas. Wipe up any drips immediately and don't use any chemicals. A damp rag wrung out completely should handle most issues, then dry completely.

I have a stainless guard on the top of my trash pullout that was offered by the cabinet company. Contact your cabinet maker for a touch up kit and ask if they offer guards. If not, check out Cabinet Hero. They offer several styles.

https://cabinethero.com/products/slimline-cabinet-hero-door-edge-protector