feat(admin,player,api): 公共管理与优胜冠军国旗、玩家端内容对接

新增公共内容 CRUD 与批量操作；公告滚动合并管理；优胜冠军内置国家选择与单行保存；玩家端统一 usePlayerHome 对接轮播与跑马灯。

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

apps/api/src/applications/player/player.controller.ts

@@ -109,17 +109,19 @@ export class PlayerController {
 
   @Get('home')
   async home(@CurrentUser('locale') locale: string) {
-    const [banners, notices, ticker, hotMatches, todayMatches] = await Promise.all([
+    const [banners, announcements, hotMatches, todayMatches] = await Promise.all([
       this.content.listActive('BANNER', locale),
-      this.content.listActive('NOTICE', locale),
-      this.content.listActive('TICKER', locale),
+      this.content.listActiveAnnouncements(locale),
       this.matches.listPublished(locale),
       this.matches.listPublished(locale),
     ]);
     return jsonResponse({
       banners,
-      notices,
-      ticker,
+      announcements,
+      /** @deprecated 使用 announcements */
+      ticker: announcements,
+      /** @deprecated 使用 announcements */
+      notices: announcements,
       hotMatches: (hotMatches as Array<{ isHot?: boolean }>).filter((m) => m.isHot),
       todayMatches,
     });