Show HN: GitHub "Lines Viewed" extension to keep you sane reviewing long AI PRs

I was frustrated with how bad a signal of progress through a big PR "Files viewed" was, so I made a "Lines viewed" indicator to complement it.

Designed to look like a stock Github UI element - even respects light/dark theme. Runs fully locally, no API calls.

Splits insertions and deletions by default, but you can also merge them into a single "lines" figure in the settings.

Sure, it looks neat, but why would you ever want this? What happened to closing PRs like thise with a short and simple "This is unreadable. Split it into smaller self-contained commits, and write proper commit messages explaining what they do and why" comment?

Massive walls of code have always been rejected simply for being unreviewable. Why would you suddenly allow this for AI PRs - where you should be even more strict with your reviews?

I'm reviewing PRs I wrote myself. Valid concern in a real org though.

Related to this, how do you get your comments that you add in the review back into your agent (Claude Code, Cursor, Codex etc.)? Everybody talks about AI doing the code review, but I want a solution for the inverse - I review AI code and it should then go away and fix all the comments, and then update the PR.

There’s a bunch of versions of this out there. This one’s mine, but it’s based on other ones. It works really well. It assesses the validity and importance of each comment, then handles it appropriately, creating issues, fixing the code, adding comments, updating the GH Copilot instructions file, etc.

https://github.com/cboone/cboone-cc-plugins/blob/main/plugin...

I suspect you don't need anything special for this. The GH API has support for reading comments from PRs. Maybe have it maintain a small local store to remember the IDs of the comments it's already read so it doesn't try to re-implement already-implemented fixes. Another similar thing you can do is a hook that reminds it to start a subagent to monitor the CI/autofix errors after it creates/updates a PR.

GitHub API is actually quite tricky here because there is a different between “comment” and “review” and “review comment” (paraphrasing, I don’t remember the details). So it’s not as simple as one API call that grabs the markdown. Of course you can write a creative one-liner to extract what you need, though.

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I don't use it, but you can tag @copilot on GitHub comments and it will do so.

I don't do it because the chances of me reviewing vomited code are close to 0.

I tell claude code “review the comments on this PR” and give it the url, and that’s enough. It then uses the gh cli tool and fetches the PR and individual comments.

Was this vibe coded? Did you test it on itself?