批量修改知识条目所属文件夹。文件夹由路径推导而来,因此目标路径不存在时会自动创建;空路径表示知识库顶层。仅调整归类,不会重新解析文档
FolderPath is the destination folder; the empty string is the knowledge base top level. It is deliberately not binding:"required" so documents can be moved back out of every folder.
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