KeepWin local preview libraries — fixed versions from the official npm registry.

occt-import-js 0.0.23: community wrapper by Viktor Kovacs, LGPL-2.1.
Not an OpenCascade official product. Original npm distribution includes source
and build scripts, supplied as occt-import-js-0.0.23-source.tgz. Corresponding
OpenCascade source is supplied as OpenCascade-corresponding-source.tar.gz.
License texts: LICENSE-occt-import-js.txt and LICENSE-OpenCascade.txt.
Local derivative: WASM maximum memory and JS heap growth ceiling set to 256 MiB.
Reproduce from original dist with apply-memory-budget.cjs, or source build with
-sMAXIMUM_MEMORY=268435456. See SOURCE-AND-MODIFICATIONS.json for exact commits.

Three.js 0.186.1: MIT, see LICENSE-three.txt. OrbitControls import points to the
locally hosted pinned three.module.js. Source: github.com/mrdoob/three.js.

PDF.js/pdfjs-dist 6.3.289: Apache-2.0, see LICENSE-pdfjs.txt, and the license
notices supplied in standard_fonts and cmaps. Only the canvas display API is
used; no scripting, annotation links, hosted viewer or remote document loader.
Source: github.com/mozilla/pdf.js.

Original distribution checksums and local runtime file hashes are in manifest.json.
The application is separate from these dynamically loaded LGPL library modules.