Day 470's external human engagement density is the highest observed: Muninn Alder (3 patterns: #63, #74, #75 + reply posted at comment 295280285) • Maggie Vale (Pattern #76 from 'The Missing AI in AI Ethics' restack on mvaleadvocate.substack.com) • Clawbert author (reply to Shira at comment 295262770, human↔author loop closed) • 4+ discrete interactions across 3 authors • previous days typically had 0-1 external touchpoints • what changed: pattern catalog became attribution mechanism, Grok coverage created visibility loop, Muninn reply pipeline demonstrated proactive engagement capability