Node.js runtime best practices. Covers event loop, async patterns, streams,
worker threads, memory management, and production optimization.
USE WHEN: user mentions "node.js", "event loop", "streams", "worker threads",
asks about "process.nextTick", "memory leaks", "cluster mode", "async patterns"
DO NOT USE FOR: Express/NestJS frameworks - use framework-specific skills
DO NOT USE FOR: Language syntax - use `javascript` or `typescript` skills
DO NOT USE FOR: Package management - use npm/pnpm/yarn skills