Sections 6 (apply pipeline), 7 (failures and retry), 8 (multi-tenancy
and security tenant resolution), 9 (listener chain) populated from
session 2 implementation. Each subsection 200-400 words referencing
RFC-WS-6.md sections by number.
§8.2 (IDOR class tests) and frontend-specific sections in §3 admin UI
remain pending session 3.
Refs: RFC-WS-6.md
Co-Authored-By: Claude Opus 4.7 (1M context) <noreply@anthropic.com>