AGR https://0xandres.dev/blog/ Production-grade AI engineering: evals that block bad merges, guardrails, prompt-injection defense and observability. en-US A Prompt Edit Broke 9 Test Cases. The Merge Gate Caught It. https://0xandres.dev/blog/blocking-prompt-regressions-in-ci/ https://0xandres.dev/blog/blocking-prompt-regressions-in-ci/ A one-paragraph prompt edit looked harmless and broke 9 test cases. How I built a CI gate that treats prompts like code and blocks the merge. Mon, 26 Oct 2026 00:00:00 GMT