* 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 --------- Co-authored-by: Pascal <open@pascal.app>