I think Jumble's feed approach would be perfect to implement one of these types of approaches for sure.
I would love to have custom feeds on Jumble.
cc nostr:npub1syjmjy0dp62dhccq3g97fr87tngvpvzey08llyt6ul58m2zqpzps9wf6wl
Discussion
It’s really challenging to design an easy-to-use interaction. Configuring a custom feed requires understanding a lot of concepts.