完善站点运营设置：分路由管理、登录可见评论、邮件模板内联与关闭注册 SSR。

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

frontend/lib/brand.ts

@@ -4,8 +4,25 @@ export type FooterLink = {
   label: string;
   url: string;
   new_tab: boolean;
+  /** 所属栏位：left / center / right；缺省 right */
+  align: FooterLinksAlign;
 };
 
+/** 页脚链接栏位 */
+export type FooterLinksAlign = "left" | "center" | "right";
+
+export const FOOTER_LINKS_ALIGNS: { id: FooterLinksAlign; label: string }[] = [
+  { id: "left", label: "左" },
+  { id: "center", label: "中" },
+  { id: "right", label: "右" },
+];
+
+export function normalizeFooterLinksAlign(raw: unknown): FooterLinksAlign {
+  const s = String(raw ?? "").trim();
+  if (s === "left" || s === "center" || s === "right") return s;
+  return "right";
+}
+
 export type BrandSlot = "logo_light" | "logo_dark" | "favicon";
 
 /** 页眉品牌形式 */
@@ -135,7 +152,8 @@ export function normalizeFooterLinks(raw: unknown): FooterLink[] {
     if (!footerURLAllowed(url)) continue;
     const omitted = rec.new_tab === undefined || rec.new_tab === null;
     const newTab = omitted ? isExternalFooterURL(url) : rec.new_tab !== false;
-    out.push({ label, url, new_tab: newTab });
+    const align = normalizeFooterLinksAlign((rec as { align?: unknown }).align);
+    out.push({ label, url, new_tab: newTab, align });
     if (out.length >= BRAND_LIMITS.footerLinks) break;
   }
   return out;