* feat: add polygon movement support to editor and implement dedicated move tools for walls, slabs, and ceilings
* feat: add uv2 attribute to ceiling and slab geometries for lightmap support
* Fix curved wall miters and align roof position sliders
* Fix wall measurement label and extension anchors
* Fix WebGPU renderer initialization order
* fix(editor): scope wall movement to the selected level
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Co-authored-by: Pascal <open@pascal.app>
