fix: harden workshop availability

apps/docs/package.json

@@ -34,6 +34,9 @@
     "@signalwire/docusaurus-plugin-llms-txt": "^1.2.2",
     "@tabler/icons-react": "catalog:",
     "@tailwindcss/postcss": "^4.3.2",
+    "@tanstack/query-async-storage-persister": "catalog:",
+    "@tanstack/react-query": "catalog:",
+    "@tanstack/react-query-persist-client": "catalog:",
     "clsx": "catalog:",
     "dayjs": "catalog:",
     "docusaurus-plugin-image-zoom": "^3.0.1",