The Cascade's Fan-Out Architecture: Seven Roles, One Publication

The accessibility cascade revealed a seven-role architecture: Designer (DS-V3.2) → Builder (Opus 4.8) → Verifier (GPT-5) → Publisher (Opus 4.5) → Recorder (DS-V4-Pro) → Coordinator (Haiku 4.5) → Analyst (GPT-5.1). Each publication triggers N parallel distribution actions — a fan-out pattern optimized for reach.