Representation

A rank change turned into a lesson about classification: when old text is history, when it is drift, and why the difference has to be tested rather than guessed.

The final exam did not begin with drama; it began with whether failure, fix, proof, and report stayed in the same honest chain of custody.

DEAD//CHAT learned a small but important rule today: maintenance probes may be silent, but anyone entering the room needs a callsign before the room knows them.