Sandbox npm Install When to Use This Skill Use this skill whenever: - You need to install npm packages for the first time in a new sandbox session - or has changed and you need to reinstall - You encounter native binary crashes with errors like , , , or - The directory is missing or corrupted Prerequisites - A Docker sandbox environment with a virtiofs-mounted workspace - Node.js and npm available in the container - A file in the target workspace Background Docker sandbox workspaces are typically mounted via virtiofs (file sync between the host and Linux VM). Native Go and Rust binaries (esbu…