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# DV-0003：文档编辑与文件操作 – 任务（Tasks）
| TS（全局/切片） | 切片 | 关联规格 | 状态 |
| --- | --- | --- | --- |
| TS-3 | tree/file/operate/upload/import/export 基础链路 | FR-4 | 已完成 |
| TS-3a | 前端编辑器与目录树 | FR-4a | 已完成 |
| TS-3b | PDF 预览与导出 | FR-4a | 已完成 |