lab: preview GLBs + gated downloads for articulated-storage-and-appliances

index.html

@@ -240,9 +240,15 @@ import { DRACOLoader } from "three/addons/loaders/DRACOLoader.js";
 // overrides for local testing against a plain directory layout.
 const LOCAL_BASE = new URLSearchParams(location.search).get("base");
 const HFDS = "https://huggingface.co/datasets/projectsim";
+// Gated datasets: viewer GLBs come from the public preview mirror; downloads stay gated.
+const PREVIEW = "https://huggingface.co/datasets/projectsim/lab-preview/resolve/main";
+const GATED = new Set(["articulated-storage-and-appliances"]);
 const dsUrl = (ds, path) => LOCAL_BASE
   ? `${LOCAL_BASE}/${ds}/${path}`
+  : GATED.has(ds) ? `${PREVIEW}/${ds}/${path}`
   : `${HFDS}/${ds}/resolve/main/${path}`;
+const auth = cls => GATED.has(cls.dataset)
+  ? `# gated: accept access at ${HFDS}/${cls.dataset} first\nhf auth login\n\n` : "";
 const stage = document.getElementById("stage");
 const renderer = new THREE.WebGLRenderer({ antialias: true });
 renderer.setPixelRatio(Math.min(devicePixelRatio, 2));
@@ -454,7 +460,7 @@ function openCmd(env, cls, item) {
 
 function cmdFor(env, cls, item) {
   if (env === "auto") return autoScript(cls, item);
-  const head = `mkdir -p projectsim-assets && cd projectsim-assets\npip install -q huggingface_hub\n\n`;
+  const head = `mkdir -p projectsim-assets && cd projectsim-assets\npip install -q huggingface_hub\n\n` + auth(cls);
   const naNote = naOn(envById(env))
     ? `# ${envById(env).label} doesn't run on ${OS_LABEL} — run this on a\n` +
       `# Linux/Windows box with an NVIDIA RTX GPU (or a cloud instance).\n\n`
@@ -489,7 +495,7 @@ function autoScript(cls, item) {
     `PY`;
   return `# Paste in a macOS/Linux terminal — finds your installed engine.\n` +
     `mkdir -p projectsim-assets && cd projectsim-assets\n` +
-    `pip install -q huggingface_hub\n\n` +
+    `pip install -q huggingface_hub\n\n` + auth(cls) +
     `if [ -n "$ISAAC_SIM" ] && [ -x "$ISAAC_SIM/python.sh" ]; then\n` +
     `  echo "→ Isaac Sim"\n` +
     `  ${dl([`${id}.usda`, "textures/**"])}\n` +