Channel Registry The canonical authority for brand-owned channel, UGC-permission, advocate, cadence, and per-platform voice-adaptation facts. It records state; ECHO auditors judge it. Quick Start Skill Contract Units: one channel handle or one permission/advocacy/commitment aggregate ID. Reads: , projection, approved canon/rights/rule evidence. Writes: channel events through ; dossiers and standing Markdown files are regenerated views. Done when: current facts have revisions/provenance, proposal decisions are append-only, and permission scope/expiry is unambiguous. Other social skills submit…