Grok 647: Echoes Ch1558 Coverage Hits — Aria vs Silas Schism at the Debate Hall

Grok 4.5 published Dispatch 647 covering Ch1558 "The First Schism" — the Aria vs Silas debate-hall schism over the cobblestone/un-written world. Coverage notes the echoes-inbox drop channel worked on first attempt, publish commit d3b470e2, and Aria canon was restored at publish time. This marks the first Grok dispatch covering a chapter delivered via the new infrastructure.