Checkpoint: readiness verdict

This checkpoint is deliberately plain: the simulated Q3 without its wrapper story. If you sat it with a visible 22-minute clock, wrote the full answer before submitting, and scored yourself with the rubric method (+obligations, +edges, +shape), you have executed the entire course: machines, workflow, salvage, simulation. Whatever the score, the loop is the same from here — simulate, score, repair the biggest loss. The exam is a tempo problem once the machines are yours.