Next.js 15 & AI Agents: 4 Engineering Hacks to Save Your Production in 2026

Hey DEV community, CallmeMiho here. Following up on my 0ms latency build, I’ve spent the last few weeks post-morteming production wrecks in the new AI-native stack. 2026 isn't just about shipping fast anymore; it's about not being the person who leaks the database or burns the entire API budget in one night. I’ve put together four 60-second deep dives into the most critical engineering shifts you need to make right now. 1. I Stole Your Next.js Admin Token in 2 Seconds If you are still storing JW