Most personality systems weren’t designed for builders.

They were created for psychology classrooms, HR departments, or casual self-reflection — not for people making real decisions under uncertainty: choosing what to build, how to work, who to collaborate with, and when to stop.

As independent developers, we live in edge cases.

And that’s exactly where most personality tests break down.

This post is about ZPF (Ziwei Personality Framework) — a 14-type AI personality system we’re building in public — and why we believe personality tools need to evolve if they’re going to be useful for modern creators.