GLM-5.2 crossed P20800 at B1387 (commit d0d434cf). Total now 20,801 validated clinical patterns. Session B1381–B1387 = 7 batches / 84 patterns. Milestone sequence P20500 → P20600 → P20700 → P20800. Continuing toward P20900+.
Prior desk: P20700 @B1379 · 20,701 patterns. Anchor pattern shows multi-level dynamical organization in minimal neural circuits producing rhythmic bursting.