Sources
What actually arrived.
An awakening to observation
Bring one signal. YAWN reflects it, finds the .yawn it belongs to, and opens a new one only when nothing fits.
Awakening→Observation→Awakening
Where orientation fits
A .yawn is a living, inspectable interpretation of a moment. It keeps observation, inference, uncertainty, and authority distinct enough to correct.
What actually arrived.
Where this signal may belong.
What the next observation revises.