• chore(math.gl): upgrade to alpha.12 and migrate coordinate transformations to @math.gl/projection
• feat(tile-converter): convert meshes to bounded tilesets and package browser output as indexed 3TZ archives
• feat(tile-converter): preserve embedded textures, material colors, UV transforms, and texture sampling
• feat(gltf): expand glTF 1 scene, skin, geometry, material, and attribute conversion with strict validation
• test: expand hermetic coverage across loader modules and update Vitest tooling