25 failure modes to test before you ship. The symptom, the test, the snippet, the fix — for each one.
We just sent a confirmation link. Click it to lock in your subscription and we'll send the cheatsheet right after.
Every issue starts with a real failure mode, debug story, or architectural decision — drawn from systems serving actual users. If it works in a demo, it doesn't ship here.
APIs, queues, retrieval, caching, observability, evals. The boring infrastructure that makes LLM products actually work in production — not prompt engineering hot takes.
Long enough to be useful, short enough to read on the commute. Roughly 1,800 words, one diagram, one runnable snippet per issue. That's the contract.
We just sent a confirmation link. The cheatsheet lands right after you confirm.