A standalone, RenderJS-only Agent Skill that reviews gadget code against the
Nexedi RenderJS guidelines (GUIDE-RJS-001..006 + the 14-point anti-pattern
checklist). Packaged as a Claude Code plugin + marketplace and as an
agentskill.sh-importable SKILL.md. Independent of any single project.

Co-Authored-By: Claude Opus 4.8 <noreply@anthropic.com>