feat: 类型帖互动、积分经济与发帖体验

补齐问答采纳/重开、投票匿名与有票禁编、悬赏过期退回、抽奖回帖开奖，并接入积分账本与发帖附件可见性。

Co-authored-by: Cursor <cursoragent@cursor.com>

frontend/app/points/page.tsx

@@ -0,0 +1,20 @@
+import type { Metadata } from "next";
+import { cookies } from "next/headers";
+import { redirect } from "next/navigation";
+import { authCookieHeader } from "@/lib/cookies";
+import { getMeCached } from "@/lib/serverData";
+import PointsClient from "./PointsClient";
+
+export const metadata: Metadata = {
+  title: "我的积分",
+  robots: { index: false, follow: false },
+};
+
+export default async function PointsPage() {
+  const cookie = authCookieHeader(await cookies());
+  const me = await getMeCached(cookie || undefined);
+  if (!me.user) {
+    redirect(`/login?redirect=${encodeURIComponent("/points")}`);
+  }
+  return <PointsClient />;
+}