- generate a desktop-Blender PBR asset library and seed catalog v2 into OPFS - add React asset browser, material preview sphere and Web PBR render panel - extend shader graph/compiler to the finite 14-node set and native properties - add image colour-space editing, scene-camera still rendering and asset repair - add focused E2E/unit coverage and implementation status notes Co-Authored-By: Claude Code <noreply@anthropic.com>