Worked on the first run. I mean, the second, because the first run was by default a dry run printing a beautiful table, and the actual run requires a CLI arg, and it also makes a backup.
It was a complete solution.
I kid you not. Took between a week and ten days. Cost about €10 . After that I became a firm convert.
I'm still getting my head around how incredible that is. I tell friends and family and they're like "ok, so?"
I'll use these tools, and at times they give good results. But I would not trust it to work that much on a problem by itself.
One of the first thing you learn in CS 101 is "computers are impeccable at math and logic but have zero common sense, and can easily understand megabytes of code but not two sentences of instructions in plain English."
LLMs break that old fundamental assumption. How people can claim that it's not a ground-shattering breakthrough is beyond me.
first it built the Cosmo Make tooling integration and then we (ha "we" !) started iterating and iterating compiling Ruby with the Cosmo compiler … every time we hit some snag Claude Code would figure it out
I would have completed it sooner but I kept hitting the 5 hourly session token limits on my Pro account