Looks like standard.site is adding a recommend type to their lexicon: https://pdsls.dev/at://did:plc:re3ebnp5v7ffagz6rb6xfei4/com.atproto.lexicon.schema/site.standard.graph.recommend
We could add a component to add/remove the record. Pckt looks like they are implementing it as a star based on https://bsky.app/profile/standard.site/post/3mkkrqfrq5k2q