feat(frontend): Use betterAuth implementation from nuxthub-better-auth project

legalconsenthub/plugins/auth.client.ts

@@ -0,0 +1,12 @@
+// Copied from https://github.com/atinux/nuxthub-better-auth
+
+export default defineNuxtPlugin(async (nuxtApp) => {
+  if (!nuxtApp.payload.serverRendered) {
+    await useAuth().fetchSession()
+  } else if (Boolean(nuxtApp.payload.prerenderedAt) || Boolean(nuxtApp.payload.isCached)) {
+    // To avoid hydration mismatch
+    nuxtApp.hook('app:mounted', async () => {
+      await useAuth().fetchSession()
+    })
+  }
+})