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wangdequan 9a7c4f0335 Save FreeCAD Web workspace sources and user validation evidence

IFC native binding remains incomplete; preserve accurate test results.

2026-09-15 22:01:58 +08:00

Web Document Undo 合同

FW-P2-002B-U

提交 Resize Box 事务后调用 Document::undo()。Undo 返回 1，Box 体积从 48 恢复为 24，redo 栈计数为 1。证据：freecad-undo-build.log、freecad-undo-smoke.log。

边界：Redo 和中断事务恢复在 FW-P2-002B-R。