[basch]

it flies in the face of "chronological feed culture" (twitter, rivers) and "algo popularity" to have people clicking the same story multiple time for updates. chron/ai feeds are meant to let you ever feast on the new without ever going back to the old. that philosophy you are looking for has a hard time competing with out of context constantly breaking news blips. (short answer to your q, I cant think of a good one off the top of my head.) Does wikinews have that sort of metastructure above stories? https://en.wikinews.org/wiki/Main_Page

personally id love a menu in a news app that says "updates to stories youve clicked" without having to follow a story. then separately i would have "followed/starred" stories as a different menu entry. they might sort differently, such as, since last clicked vs since most recent update.