When AI Meets Reality: Why “Hello World” Isn’t Enough for LLM Systems

Most AI tutorials stop at “Hello World.” You wire up a model, send a prompt, get a response, and feel like you’ve built something. But the moment you try to ship that into production, the ground shifts beneath your feet. I learned this the hard way. After years of building fraud detection and pricing platforms, I’ve seen what happens when AI systems collide with real‑world state changes, concurrency, and regulatory scrutiny. Spoiler: it’s not pretty. The Mirage of Staging Staging en...