We Migrated 6 Years of Legacy Code. Production Chose Violence.

<h1> Production Was Down… But Everything Looked Normal 🤯 </h1> <blockquote> <p>A real debugging story about silent failures and why thinking matters more than tools.</p>

<h2> The Slack Message That Ruined My Monday </h2> <blockquote> <p>"Hey, the previous platform team left. Here's the repo. Good luck 🫡"</p> </blockquote> <p>I stared at the Git

<p>Two weeks ago we shipped a release. A small one by our standards: a reworked lookup field, a smarter default for the date control, and a permission check moved one layer

<p>Four agents entered an infinite loop in November 2025. They ran for 11 days. The bill was $47,000. Nobody noticed until it was over.</p> <p>The team was running a market

<h2>It Happens to Everyone</h2> <p>You pushed. The pipeline went green. You opened the site to admire your work — and it's a white screen. Or a 500. Or the checkout button

<p>If you use GitHub's merge queue and had a rough week around April 23rd, 2026, you were not imagining things. Your code actually disappeared. Not because of a bad commit, not

<p><em>The AWS Reliability Files, Part 1</em></p> <p>I told an AI a true fact about AWS. Then I had a second AI confidently insist it was wrong. Within one exchange, the first