独立性能巡检 skill。不在 x-dev → x-verify → x-qa-gate 主流程内，由用户手动触发或在大里程碑后调用。 调子 agent 做全项目视角的性能审查：N² 嵌套、不必要循环、大对象拷贝、同步阻塞、数据库 N+1、缓存失效、不必要的 await。 触发：用户说"性能巡检"、"audit perf"、"看看有没有性能问题"、"perf review"，或大版本发布前。
How to install x-audit-perf?
ktkid/x-dev-pipeline/x-audit-perf
$npx -y skills add ktkid/x-dev-pipeline --skill x-audit-perfInstalls into the current project.
›Prefer a prompt? Paste this to your agent
Run `npx skills use "https://github.com/ktkid/x-dev-pipeline" --skill "ktkid/x-dev-pipeline/x-audit-perf"` and follow the generated skill instructions now. Read its complete output, redirecting it to a temporary file first if necessary. Resolve relative paths from the supporting-files directory it provides.
Use the skills in "https://github.com/ktkid/x-dev-pipeline" that are relevant to the current task. Run `npx skills add "https://github.com/ktkid/x-dev-pipeline"` and select the relevant skills, then follow their instructions.
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