First version

src/app/groups/[groupId]/save-recent-group.tsx

@@ -0,0 +1,18 @@
+'use client'
+import {
+  RecentGroup,
+  saveRecentGroup,
+} from '@/app/groups/recent-groups-helpers'
+import { useEffect } from 'react'
+
+type Props = {
+  group: RecentGroup
+}
+
+export function SaveGroupLocally({ group }: Props) {
+  useEffect(() => {
+    saveRecentGroup(group)
+  }, [])
+
+  return null
+}