02 · ARCHITECTURE 03 / 12

What the interface reveals

1
Control is not a feature
Every system boundary doubles as an input channel.
2
Glass that remembers
Interface state persists across cold restarts without a save.
3
Precision we pay for
0.3ms overhead per trace. The observability tax we absorb.
4
The deliberate exception
One warm surface in a room of cold concrete.
This is the Ex Machina design system, applied by Curio Design — a design-style library for AI agents. Full Ex Machina guide → designbycurio.com/learn/ex-machina-2014-ava