fix(web): redact invite analytics URLs

apps/web/app/PostHogPageView.tsx

@@ -7,10 +7,14 @@ import { usePostHog } from 'posthog-js/react'
 function PostHogPageViewInner() {
   const pathname = usePathname()
   const searchParams = useSearchParams()
-  const posthog = usePostHog()
-
-  useEffect(() => {
-    if (pathname && posthog) {
+  const posthog = usePostHog()
+
+  useEffect(() => {
+    // Invite codes are bearer-like tokens. The join route emits its own
+    // aggregate-only event, so it must never produce a URL-bearing page view.
+    if (pathname?.startsWith('/join/')) return
+
+    if (pathname && posthog) {
       let url = window.origin + pathname
       if (searchParams.toString()) {
         url = url + '?' + searchParams.toString()