NIS Network Reachability Analysis / NIS 网络可达性分析 Language / 语言 : Respond in the same language the user uses. If the user speaks Chinese, use the Chinese (zh-CN) prompts below. If the user speaks English, use the English (en) prompts below. Guides an agent through interactive network reachability analysis using Alibaba Cloud NIS. Covers forward/reverse path analysis, topology visualization (Mermaid), and monitoring diagnostics for resources along the path. Architecture : ⚠️ CRITICAL / 关键 : READ-ONLY OPERATIONS ONLY This skill performs read-only network diagnostics. DO NOT create, modify, or del…