legeling

按风险编写和维护项目规范，保留有效功能约定与关键决策。用于明确要求整理 spec、补齐项目文档、更新需求设计或迁移旧文档流程；普通代码修改不自动启动完整文档流程。

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PromptHub release update skill. Use for `/update-readme`, version bumps, changelog updates, website sync, GUI screenshot/doc refresh, and multilingual release/documentation alignment.

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