I'm not sure what I'm supposed to see there. From my point of view, this is a low-effort, vibe coded app that doesn't solve the problem the OP had but it's solving a different one. You'd need to at least train a small classifier based on something like BERT to actually address the issue.
What I showed in my comment just demonstrates that this doesn't solve the problem OP had.
Huge respect for all your articles and work on llms, but this example should have been using AI to create a tool that uses AI to intelligently filter hacker news :)