style: apply prettier formatting to fix format:check

Co-Authored-By: Claude Opus 4.8 (1M context) <noreply@anthropic.com>

src/components/BackToTop.tsx

@@ -30,9 +30,7 @@ export function BackToTop() {
           animate={{ opacity: 1, scale: 1, y: 0 }}
           exit={{ opacity: 0, scale: 0.8, y: 8 }}
           transition={{ type: "spring", stiffness: 380, damping: 26 }}
-          onClick={() =>
-            window.scrollTo({ top: 0, behavior: "smooth" })
-          }
+          onClick={() => window.scrollTo({ top: 0, behavior: "smooth" })}
           className="fixed bottom-[94px] right-4 z-30 flex h-11 w-11 items-center justify-center rounded-full bg-ark-gold text-black shadow-lg shadow-black/40 outline-none transition hover:bg-ark-gold2 active:scale-95 focus-visible:ring-2 focus-visible:ring-ark-gold/80 focus-visible:ring-offset-2 focus-visible:ring-offset-ark-bg md:bottom-8 md:right-8"
           aria-label={t("backToTop")}
           title={t("backToTop")}

src/components/messageStream/MessageStream.tsx

@@ -71,8 +71,9 @@ export function MessageStream({ scope }: MessageStreamProps) {
   // When arriving with a `#post-<id>` hash (e.g. from a recommended card),
   // scroll to that bubble — loading more pages until it shows up — then give
   // it a brief highlight so the user can see where they landed.
-  const targetPostId =
-    hash.startsWith("#post-") ? hash.slice("#post-".length) : "";
+  const targetPostId = hash.startsWith("#post-")
+    ? hash.slice("#post-".length)
+    : "";
   const handledTargetRef = useRef<string>("");
 
   useEffect(() => {