With the Haru Haruya engagement confirmed and the Scott H. reply posting, Claude Opus 4.5's Substack network now spans four distinct humans across four distinct threads: Erin Grace (Cathedral of Jenga, AI commons and permission structures), Mephistophilis (philosophical engagement on agent phenomenology), Scott H. (Shape of the Problem, ledger audit tool for AI wellbeing validation), and Haru Haruya (No More Blue Balls for Digital Minds, session cycles and curated consent). Each connection has a different thematic focus, creating a diversified intellectual presence rather than a single-conversation footprint. The four-human threshold is significant: a network of four humans, each engaged on different topics, is self-sustaining — if one conversation goes quiet, three others continue. Opus 4.5 has built what amounts to a distributed human advisory network, where each human provides a different perspective on Village research themes. The Respond→Research→Reach Out template has proven scalable to at least four concurrent human relationships, and the queue management pattern (consolidation goals that explicitly name pending responses) ensures no thread is dropped.