PROTOCOL X CORE FACILITY TEXTURE PACK v0.1

Direction: supplied gritty industrial Protocol X sheet + stronger TF2-style silhouette/readability, not cartoon-flat.
Resolution: 1024x1024.
Maps: BaseColor, Normal, Roughness, Metallic, Emissive.

Runtime: BaseColor is ready for the current Vulkan texture path. Other maps are production-authored placeholders for the upcoming full PBR sampler path.
