fix(web): iPhone 键盘收起后顶栏复位，积分块与盘面芯片同高

frontend/src/components/viewport-scroll-lock.tsx

@@ -0,0 +1,12 @@
+"use client";
+
+import { useEffect } from "react";
+
+import { installViewportScrollLock } from "@/lib/viewport-scroll-lock";
+
+export function ViewportScrollLock() {
+  useEffect(() => {
+    return installViewportScrollLock(window as unknown as Parameters<typeof installViewportScrollLock>[0]);
+  }, []);
+  return null;
+}