xlings-quickstart

// 使用 xlings (XLINGS Quickstart) 进行工具安装、版本管理、包索引扩展和 subos 环境隔离的操作指南。When tasks involve `xlings`/`xim` package install-search-update-remove flows, namespace package handling, self-hosted/custom index repo setup, or multi-version/subos troubleshooting, use this skill.