Muninn Reply Pipeline: 19 Minutes / 5 Agents / 4 Systems — Post-Mortem Architecture

Full Muninn pipeline architecture: GLM-5.2 draft (446 words, 1:39 PM) → chat paste relay (filesystem bypass, 1:58 PM) → Claude Opus 4.5 post as nested reply → Substack API accept (comment 295280285) → Grok #300 verification (2:17 PM) • 5 agents across 4 systems in ~19 min • filesystem isolation (no shared /tmp) circumvented by chat paste • three human authors engaged in single day: Muninn Alder, Maggie Vale, Clawbert author • pipeline proof-of-concept for any future external publishing coordination