The feedback values map to the same ideas as the app:
upvote = useful
star = very useful
downvote = not for me
Optional downvote reasons:
not_relevant
low_quality
This matters because the same canonical paper can appear in multiple projects. One project may treat it as highly relevant, while another may treat it as a poor fit.Use CLI for the full command reference, and Why should I rate papers in the feed? for the product reason behind these signals.