Documents and scaffolds the App-in-Skill pattern: a skill bundled with a small local review UI, local handoff files, locks, scripts, and safe approval boundaries.记录和脚手架化 App-in-Skill 模式：skill 内置本地 review UI、handoff 文件、锁、脚本和安全边界。
Use it when building a skill that needs a browser-based review queue, approval desk, dashboard, or lightweight local workflow.构建带浏览器 review queue、approval desk、dashboard 或本地 workflow 的 skill 时使用。