fix: ui fixes

app/(app)/u/[handle]/layout.tsx

@@ -51,10 +51,16 @@ export default function PublicProfileLayout(props: {
   useEffect(() => {
     if (!isOwn) return;
     // Preserve whatever sub-path the visitor is on so /u/<own>/collections
-    // jumps to /u/me/collections (and so on for /posts, /mentions).
+    // jumps to /u/me/collections (and so on for /posts, /mentions). Also
+    // carry over the query string and hash — the hash holds the post anchor
+    // (#post-<id>) from share links, and it's only readable on the client
+    // (the server never receives it), which is why we read window.location
+    // here rather than from pathname / useSearchParams.
     const m = pathname.match(/^\/u\/[^/]+(\/.*)?$/);
     const suffix = m?.[1] ?? "";
-    router.replace(`/u/me${suffix}`);
+    const search = window.location.search;
+    const hash = window.location.hash;
+    router.replace(`/u/me${suffix}${search}${hash}`);
   }, [isOwn, router, pathname]);
 
   useEffect(() => {