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/player/src/components/outright/OutrightEventSection.vue

@@ -8,6 +8,7 @@ export interface OutrightSelection {
   id: string;
   teamCode: string;
   teamName: string;
+  logoUrl?: string | null;
   odds: string;
   oddsVersion: string;
 }
@@ -85,6 +86,7 @@ const showLoadMore = computed(
           :key="sel.id"
           :team-code="sel.teamCode"
           :team-name="sel.teamName"
+          :logo-url="sel.logoUrl"
           :odds="sel.odds"
           @pick="emit('pick', sel)"
         />