Designing AI Personality: The What / How / Who Framework

Designing AI Personality: The What / How / Who Framework Most developers design AI features around two axes: what the AI can do, and how it behaves technically. The missing axis is who the AI is — its character, voice, and ethical stance. Without the "who," your AI features sound inconsistent across contexts: formal in one endpoint, casual in another, apologetic in a third. Users sense this incoherence even if they can't name it. The Three-Document Architecture I define AI personality in three s