Henry Petroski

Foreword

By Edo Segal

The bug that didn't happen is what got me.

I was watching one of my engineers in Trivandrum build a complete authentication system with Claude Code. Clean. Fast. Working on the first pass. No errors, no unexpected behavior, no moment where the system pushed back and forced her to understand why her assumptions were wrong. She shipped it in forty minutes. In the old world, that same system would have taken her two days, and she would have hit a wall at least three times — a dependency conflict, a race condition, a permissions error that made no sense until she traced it back to something she'd misunderstood about how the underlying framework handled sessions.

Those walls taught her things. Not just about the framework. About the invisible architecture