- Add USER node directive to Dockerfile for non-root container execution
- Update SECURITY.md with Node.js version requirements (CVE-2025-59466, CVE-2026-21636)
- Add Docker security best practices documentation
- Document detect-secrets usage for local security scanning
Reviewed-by: Agents Council (5/5 approval)
Security-Score: 8.8/10
Watchdog-Verdict: SAFE WITH CONDITIONS
Co-Authored-By: Claude Sonnet 4.5 <noreply@anthropic.com>