[开源] Alpha-Park/genpark-rag-semantic-boundary-chunker-skill：保留语义边界的文本分块工具，维护 Markdown 标题、代码围栏

语义边界保留文本分块器开源，维护Markdown结构

原文：[开源] Alpha-Park/genpark-rag-semantic-boundary-chunker-skill: Semantic boundary preserving text chunker maintaining markdown headers, code fen