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P6: add Bitbybit STEP and STL export boundary

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wangdequan
2026-08-02 10:41:24 -04:00
parent 64b7369918
commit 022a5dde2f
6 changed files with 32 additions and 3 deletions
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docs/web-cad-implementation-plan.zh-CN.md
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@@ -1712,6 +1712,7 @@ DocumentSnapshot 现在区分模型树投影与 `DocumentObjectSnapshot` 真值
| 子形状签名 | `PASS` | 面签名不使用 transient `faceIndex`；重复签名标记 `ambiguous`，唯一候选可匹配 |
| Sketcher 领域模型 | `PASS` | Sketch 几何/约束快照、基础求解器、DOF/冲突诊断和 Facade 事务已接入，SQLite schema v4 保存 `sketch_json` |
| OCCT Fillet/Chamfer | `PASS` | Facade 调用 Bitbybit `filletEdges`/`chamferEdges`，半径/距离和边索引在边界校验；真实稳定 TopoRef 选边仍待 TSN |
| STEP/STL 几何导出 | `PASS` | Facade 通过 Bitbybit IO Worker 导出 STEP 和 ASCII STL；FCStd 参数化文档读写仍未完成 |
尚未完成的 TSN 工作：OCCT `Generated/Modified/Deleted` 历史捕获、跨布尔/特征的真实拓扑映射、面/边/顶点统一命名、附着和 `TopoRef` 文件迁移。当前签名是可审计的基础候选层，不能单独宣称 FreeCAD 稳定拓扑命名已完成。