Generate GitHub Pages for the workflow-builder skill, its cs-workflow-architect
agent, and the /cs:workflow-build command (via generate-docs.py), and wire all
three into mkdocs.yml nav (Engineering - POWERFUL, Agents, Commands sections).
Updated section index pages. Build verified clean (551 pages).
Aggregate skill counts unchanged — workflow-builder was already included in
dev's 338-skill / engineering-advanced-78 header.
https://claude.ai/code/session_01Q1kXbgMRodzhdTpgbCqVgx
