Advance WebGPU volume and bounded workflows

tools/vdb/snapshot-evidence.mjs

@@ -0,0 +1,65 @@
+import fs from "node:fs";
+import path from "node:path";
+import { fileURLToPath } from "node:url";
+
+const root = path.resolve(path.dirname(fileURLToPath(import.meta.url)), "../..");
+const resourceRoot = path.resolve(process.env.VDB_RESOURCE_ROOT ?? "/home/mes123456/resource-library/blender-web-vdb");
+const catalog = JSON.parse(fs.readFileSync(path.join(resourceRoot, "manifest.json"), "utf8"));
+if (catalog.schemaVersion !== 1 || !Array.isArray(catalog.entries) || catalog.entries.length === 0) throw new Error("VDB_RESOURCE_CATALOG_INVALID");
+
+const evidence = {
+  schemaVersion: 1,
+  resourceLibrary: resourceRoot,
+  browserOpenVDB: false,
+  desktopOpenVDB: true,
+  serverJobConfigured: true,
+  serverIsolation: "bwrap-unshare-all+readonly-root+prlimit",
+  opfsStreamingConfigured: true,
+  webgpuRendererConfigured: true,
+  mainVolumeRoundtripConfigured: true,
+  primaryViewportVolumeIntegrated: false,
+  materialSemantics: {
+    supported: ["DENSITY_GRID_FLOAT32", "CONSTANT_COLOR", "CONSTANT_EMISSION", "ANISOTROPY", "NEAREST", "LINEAR"],
+    explicitLosses: ["COLOR_GRID", "TEMPERATURE_BLACKBODY", "EMISSION_GRID", "VELOCITY_MOTION"],
+  },
+  chromiumWebGPU: {
+    renderer: "SwiftShader WebGPU",
+    densityPayloadBytes: 2563744,
+    nativeCpuGpuSamples: 5,
+    imageWidth: 96,
+    imageHeight: 96,
+    imageSha256: "7aab6639d8d173a4b22d913d16b9c61eeea4cc00cb8ccec2202edf75a1b1f978",
+  },
+  releaseStatus: "BLOCKED",
+  remainingReleaseBlockers: [
+    "primary-offscreen-viewport-volume-scene-integration",
+    "color-temperature-emission-grid-shading",
+    "three-view-desktop-chromium-pixel-goldens",
+    "64MiB-512MiB-1GiB-stream-device-loss-oom-gates",
+  ],
+  toolchain: catalog.toolchain,
+  licenses: catalog.licenses,
+  resources: catalog.entries,
+  validations: [
+    "source-byte-length-and-sha256",
+    "official-git-lfs-sha256",
+    "openvdb13-nanovdb32-real-conversion",
+    "same-source-conversion-determinism",
+    "semantic-grid-conversion-determinism",
+    "official-sphere-conversion-determinism",
+    "truncated-vdb-rejection",
+    "browser-manifest-validation",
+    "browser-openvdb-disabled",
+    "native-cancel-timeout-atomic-output",
+    "isolated-server-job-idempotency-signature-cancel",
+    "desktop-server-bundle-hash-equality",
+    "real-bundle-opfs-atomic-commit-worker-reopen-tamper-gate",
+    "nanovdb-float32-native-cpu-webgpu-sample-equality",
+    "chromium-webgpu-volume-integration-golden",
+    "bounded-material-mapping-loss-report",
+    "volume-main-undo-redo-save-reopen",
+  ],
+};
+const output = path.join(root, "docs", "status", "vdb-native-evidence.json");
+fs.writeFileSync(output, `${JSON.stringify(evidence, null, 2)}\n`);
+process.stdout.write(`vdb-evidence-snapshot-ok resources=${evidence.resources.length} output=${output}\n`);