When to use Use this skill when you need deep Node.js internals expertise, including: - C++ addon development - V8 engine debugging - libuv event loop issues - Build system problems - Compilation failures - Performance optimization at the engine level - Understanding Node.js core architecture - Writing or reviewing commits and pull request descriptions How to use Read individual rule files for detailed explanations and code examples: V8 Engine - rules/v8-garbage-collection.md - Scavenger, Mark-Sweep, Mark-Compact, generational GC - rules/v8-hidden-classes.md - Hidden classes, inline caching,…