SPDX license update

examples/Sponza/closesthit.glsl

@@ -1,3 +1,6 @@
+//SPDX-License-Identifier: MIT
+//SPDX-FileCopyrightText: Copyright (C) 2026 Catcrafts®
+
 #version 460
 #extension GL_EXT_ray_tracing : enable
 #extension GL_EXT_shader_image_load_formatted : enable

examples/Sponza/closesthit.wgsl

@@ -1,3 +1,6 @@
+//SPDX-License-Identifier: MIT
+//SPDX-FileCopyrightText: Copyright (C) 2026 Catcrafts®
+
 // Sponza closest-hit (runs in SHADE). In the wavefront model the lighting
 // + shadow trace that used to live in raygen happens here: gather surface
 // data, accumulate ambient, and emit a shadow ray toward the sun carrying

examples/Sponza/main.cpp

@@ -1,3 +1,6 @@
+//SPDX-License-Identifier: MIT
+//SPDX-FileCopyrightText: Copyright (C) 2026 Catcrafts®
+
 // Sponza on Vulkan + WebGPU. Same example source, two backends — picked
 // by CRAFTER_GRAPHICS_WINDOW_DOM. Both paths:
 //   1. Load a Sponza .cmesh (positions + indices, optional per-vertex

examples/Sponza/miss.glsl

@@ -1,3 +1,6 @@
+//SPDX-License-Identifier: MIT
+//SPDX-FileCopyrightText: Copyright (C) 2026 Catcrafts®
+
 #version 460
 #extension GL_EXT_ray_tracing : enable
 

examples/Sponza/miss.wgsl

@@ -1,3 +1,6 @@
+//SPDX-License-Identifier: MIT
+//SPDX-FileCopyrightText: Copyright (C) 2026 Catcrafts®
+
 // Sponza miss (runs in SHADE). Primary miss → two-stop sky gradient.
 // Shadow miss → the sun is unoccluded, so add the pending direct term.
 fn miss_main(ray: RayDesc, payload: ptr<function, Payload>) {

examples/Sponza/project.cpp

@@ -1,3 +1,6 @@
+//SPDX-License-Identifier: MIT
+//SPDX-FileCopyrightText: Copyright (C) 2026 Catcrafts®
+
 import std;
 import Crafter.Build;
 namespace fs = std::filesystem;

examples/Sponza/raygen.glsl

@@ -1,3 +1,6 @@
+//SPDX-License-Identifier: MIT
+//SPDX-FileCopyrightText: Copyright (C) 2026 Catcrafts®
+
 #version 460
 #extension GL_EXT_ray_tracing : enable
 #extension GL_EXT_shader_image_load_formatted : enable

examples/Sponza/raygen.wgsl

@@ -1,3 +1,6 @@
+//SPDX-License-Identifier: MIT
+//SPDX-FileCopyrightText: Copyright (C) 2026 Catcrafts®
+
 // Sponza raygen (runs in GENERATE). Emits the pixel's primary ray; all
 // shading + the shadow trace now happen in SHADE (closesthit/miss). Camera
 // state comes from the host each frame via a storage buffer at

examples/Sponza/resolve.wgsl

@@ -1,3 +1,6 @@
+//SPDX-License-Identifier: MIT
+//SPDX-FileCopyrightText: Copyright (C) 2026 Catcrafts®
+
 // Sponza RESOLVE-stage tonemap: Reinhard + gamma 2.2 over the linear
 // accumulator — matches the tonemap the megakernel raygen applied inline.
 fn resolve_main(coord: vec2<u32>, hdr: vec4<f32>) -> vec4<f32> {