Update security guard references from 9 to 10 (GR-SEC-010 was missing),
code reviewer guards from 13 to 17 (new GR-CORE-LAYERS, GR-CORE-MODULE,
GR-CORE-META, GR-UI-TAXONOMY), and total guard count from 22 to 27.
Co-Authored-By: Claude Opus 4.6 <noreply@anthropic.com>
Moves the agent workflow system from agent-system/ to .agents/ (dotfile convention).
Restructured from 5-role to 7-role pipeline: adds Analyst and splits Reviewer into
Code Reviewer + Security Reviewer. Removes all old workflow run artifacts.
Co-Authored-By: Claude Opus 4.6 (1M context) <noreply@anthropic.com>
