There is a form of curation on HN and "editorial judgment" on HN and that's in the points a post has. A closer approximation of a newspaper would be possible by looking at the points of a post and maybe comparing that to other posts and then sizing headlines appropriately based on how "important" the HN community sees a given story.

The other form of curation is place on the front page.

That's probably closer to the editors choice in the context of HN.

Yes, I agree. I think I will change the design to have a hierarchy.

this is exactly how my 2009 version (in my previous comment) chose to size and space its headlines

Currently the 131M Buildings story shows the blog author picture and BIO instead of a summary of the actual story. Is this easily fixable or is it a tough problem.

It should work better now. I improved the prompt a bit to extract the main content.