公告增加每次显示模式

src/lib/admin.types.ts

@@ -8,6 +8,8 @@ export interface AdminConfig {
   SiteConfig: {
     SiteName: string;
     Announcement: string;
+    // 公告显示模式：once=单次显示（每个用户每条公告仅显示一次，换公告则重新显示）；every=每次显示（每次打开首页都显示）
+    AnnouncementDisplayMode?: 'once' | 'every';
     SearchDownstreamMaxPage: number;
     SiteInterfaceCacheTime: number;
     DoubanProxyType: string;

src/lib/config.ts

@@ -265,6 +265,10 @@ async function getInitConfig(
       Announcement:
         process.env.ANNOUNCEMENT ||
         '本网站仅提供影视信息搜索服务，所有内容均来自第三方网站。本站不存储任何视频资源，不对任何内容的准确性、合法性、完整性负责。',
+      AnnouncementDisplayMode:
+        process.env.ANNOUNCEMENT_DISPLAY_MODE === 'every'
+          ? 'every'
+          : 'once',
       SearchDownstreamMaxPage:
         Number(process.env.NEXT_PUBLIC_SEARCH_MAX_PAGE) || 5,
       SiteInterfaceCacheTime: cfgFile.cache_time || 7200,
@@ -555,6 +559,11 @@ export function configSelfCheck(adminConfig: AdminConfig): AdminConfig {
   if (adminConfig.SiteConfig.EnableComments === undefined) {
     adminConfig.SiteConfig.EnableComments = false;
   }
+  // 确保公告显示模式存在
+  if (adminConfig.SiteConfig.AnnouncementDisplayMode === undefined) {
+    adminConfig.SiteConfig.AnnouncementDisplayMode =
+      process.env.ANNOUNCEMENT_DISPLAY_MODE === 'every' ? 'every' : 'once';
+  }
   if (adminConfig.SiteConfig.EnableRegistration === undefined) {
     adminConfig.SiteConfig.EnableRegistration = false;
   }