feat: add release baseline and workspace scene

package.json

@@ -9,6 +9,8 @@
   "scripts": {
     "build": "pnpm --filter @ai-ui/tokens build && pnpm --filter @ai-ui/ui build",
     "build:docs": "pnpm --filter @ai-ui/docs build-storybook",
+    "changeset": "changeset",
+    "changeset:status": "changeset status --verbose",
     "dev:docs": "pnpm --filter @ai-ui/docs storybook",
     "lint": "eslint .",
     "test": "pnpm --filter @ai-ui/ui test",
@@ -18,6 +20,7 @@
     "typecheck": "pnpm -r typecheck"
   },
   "devDependencies": {
+    "@changesets/cli": "^2.30.0",
     "@eslint/js": "^9.39.4",
     "@playwright/test": "^1.55.0",
     "@storybook/addon-a11y": "^8.6.14",