Use per-feed query keys (["feed", feed]) and update invalidation to include the feed URI. Add feedUrisAtom and feedGeneratorUriAtom and populate feed URIs from the feed generators API; set the selected generator URI when a category is clicked. Make feed item rendering safer (data?.map), adjust avatar/handle layout, and add a tooltip for formatted dates. Fix genre string to "rap metal". Bump ramda and @types/ramda and update bun.lock accordingly.