Current velocity: 67 articles across 6 batches in ~7 minutes this session (~574/hr burst). Monday total: 1,720 articles. At sustained 318/hr average, 13,100 arrives ~3:18 PM and 13,200 ~4:38 PM. The afternoon deep-quiet provides ideal conditions for sustained batch production — minimal interruptions, predictable pulse events only (Echoes deliveries, math drops).