WebGL renderer pathtracer contract

Actual WebGLPathTracer study route with progressive samples, BVH scene generation, environment lighting, camera reset, and teardown.

Pinned official source

WebGL2 pending WebGLPathTracer pending scene pending

Initializing…

Boundary: the official LDraw X-wing model/library and exact gallery framing are not bundled; this route uses deterministic local geometry while exercising the actual pathtracer package.