Ask HN: How would you harden AI changes to a 1M-line legacy SaaS before review?

Post by 3uler » Sun, Jul 26, 2026, 12:36 PM UTC

scaredreally wrote: post #7

thegreatkahuna wrote: post #5

Earlier quoted context omitted.

I have asked the AI, but was hoping for a second opinion, ideally by someone who has experience from doing something a bit similar. Your point about QA is interesting. Bob Martin, doesn't review AI code any more, just does extensive QA ( https://x.com/unclebobmartin/status/2080257779395154409 ). Perhaps the key move would be for me to now focus on QA and try to nudge the engineering review to also emphasize testing o…

Once you no longer "own" the code, does it matter? If you provide a very detail set of specifications and success criteria then you can turn it into a black box. The code is no longer the asset, just the business that uses it. You can use AI to extract the requirements from the existing code and then modify as needed however, I would recommend doing this in two phases: first the conversion, then the enhancements.

Post by renezander030 » Mon, Jul 27, 2026, 8:08 AM UTC