Skills（SKILL.md）は、AIエージェント（Claude Code、Cursor、Codexなど）に特定の能力を追加するための設定ファイルです。
詳しく見る →Check Document Renewal Requirements. Use when the user wants a lifecycle diagnosis for an existing asset library at the lifecycle stage, including “看未来 60 天续办”“查缺件”“判断能不能提交某个目标场景”. Prefer caixu-skill when the user asks for the full end-to-end mainline or is unsure which stage to run. This skill loads assets and a versioned RuleProfileBundle, asks an agent to produce a complete CheckLifecycleData decision, validates readiness and asset references with shared rules helpers, records an audit sidecar, and persists the lifecycle run only when the decision is structurally valid.