Security-first wrapper for installing agent skills. Scans for malware, prompt injection, and suspicious patterns before installation. Use instead of `clawhub install` for safer skill management.

以安全为先的代理技能安装封装工具，在安装前扫描恶意软件、提示注入和可疑模式。建议替代 `clawhub install` 以实现更安全的技能管理。