Every elevator has a load plate. Tests are supposed to kill fear, not feed it. (opens in new tab)

Every elevator has a small metal plate near the doors: 8 persons — 630 kg. It doesn't mean the car snaps at the ninth person. It means an engineer loaded it, measured it, and signed an envelope: this is what I guarantee, within these limits, with margin. The plate isn't a confession of weakness. It's the exact thing that lets you step in without a second thought. I build Lithair — a small, memory-first Rust web framework. This post isn't about its API; it stands on its own. It's about a sente...