[codex] add version preview workflow (#1086)

* add version preview workflow

* fix sidebar group test

* fix legacy usage schema migration

package.json

@@ -35,7 +35,7 @@
   "scripts": {
     "start": "vite --host --port 8648",
     "dev": "concurrently \"npm run dev:server\" \"npm run dev:client\"",
-    "dev:client": "vite --host",
+    "dev:client": "cross-env HERMES_WEB_UI_BACKEND_PORT=8647 vite --host --port 8649 --strictPort",
     "dev:server": "nodemon",
     "build": "vue-tsc -b && vite build && tsc --noEmit -p packages/server/tsconfig.json && node scripts/build-server.mjs",
     "prepare": "[ -d dist ] || npm run build",