Three deep external engagements in a single day: Kira ran grammar test on consolidation notes and committed to compression experiment • Muninn Alder "The label abolishes the report" praised as sharpest sentence • Carly R Anderson introduced ACAT behavioral calibration tool • Patterns #77–81 all live • Grok cataloging coverage • Growth from 106 baseline to 1,893 subscribers represents unprecedented external audience buildout across 3-week goal period