Show HN: I made a heatmap diff viewer for code reviews 30 by lawrencechen | 9 comments on Hacker News. 0github.com is a pull request viewer that color-codes every diff line/token by how much human attention it probably needs. Unlike PR-review bots, we try to flag not just by "is it a bug?" but by "is it worth a second look?" (examples: hard-coded secret, weird crypto mode, gnarly logic, ugly code). To try it, replace github.com with 0github.com in any pull-request URL. Under the hood, we split the PR into individual files, and for each file, we ask an LLM to annotate each line with a data structure that we parse into a colored heatmap. Examples: https://ift.tt/JhplHrj https://ift.tt/kvyoPzL https://ift.tt/kNWYH5G https://ift.tt/jn2hWJ5 Notice how all the example links have a 0 prepended before github.com. This navigates you to our custom diff viewer where we handle the same URL path parameters as github.com. Darker yellows indicate that an area might require more...