refactor: migrate to pnpm monorepo with Payload CMS backend and Astro frontend to support scalable website development and AI-assisted workflows

apps/backend/src/Header/hooks/revalidateHeader.ts

@@ -0,0 +1,13 @@
+import type { GlobalAfterChangeHook } from 'payload'
+
+import { revalidateTag } from 'next/cache'
+
+export const revalidateHeader: GlobalAfterChangeHook = ({ doc, req: { payload, context } }) => {
+  if (!context.disableRevalidate) {
+    payload.logger.info(`Revalidating header`)
+
+    revalidateTag('global_header')
+  }
+
+  return doc
+}