docs: call out Node 22 prerequisite in installation guide (#512)

docs/interpret/installation-guide.ipynb

@@ -26,6 +26,24 @@
     "\n",
     "conda activate ENV_NAME\n",
     "```\n",
+    "<h2>Prerequisites</h2>\n",
+    "\n",
+    "The visualization bundle is built with Node.js. **Use Node 22**, which\n",
+    "matches what CI uses (`.github/workflows/ci.yml`); older Node versions\n",
+    "(e.g. the Node 8 that ships as the default `nodejs` package on older\n",
+    "Ubuntu LTS releases) fail to install the JS dependencies. The easiest\n",
+    "way to get a recent Node is via [nvm](https://github.com/nvm-sh/nvm):\n",
+    "\n",
+    "```sh\n",
+    "nvm install 22\n",
+    "nvm use 22\n",
+    "node --version  # should report v22.x\n",
+    "npm --version\n",
+    "```\n",
+    "\n",
+    "On Windows, the C++ build (`build.bat`) requires Visual Studio 2022\n",
+    "and the `vcvars64.bat` environment. On Linux/macOS, `build.sh` calls\n",
+    "the system C++ compiler \u2014 any reasonably recent `g++`/`clang++` works.\n",
     "<h2>Install `interpret` with every dependency</h2>\n",
     "\n",
     "```sh\n",