Turns rough ideas into approved, decision-complete plans with validated structure before coding. Use when users ask 出方案/给方案/深入分析/怎么设计/有没有必要/值不值得/plan this/how should I/should we keep this for features, architecture, or value judgments. Not for bug fixes or small edits.
This skill does not declare a tool allowlist. The agent host applies whatever default tools are available at runtime.
Registry
github (via claudemarketplaces.com)