feat(admin,api,player): 赛事分组管理、盘口独立页与多语言展示优化

- 管理端按联赛展示单场，新增赛事/单场流程与列表展开状态保持

- 盘口赔率迁至独立页面，保存按钮仅在有修改时高亮

- API 新增联赛列表与子场查询，按 locale 返回队名并修复编译

- 波胆其它选项与促销标签等 i18n 补齐，文案更易懂

apps/player/src/components/LeagueAccordionItem.vue

@@ -5,6 +5,7 @@ import saishiImg from '../assets/images/saishi.png';
 defineProps<{
   leagueId: string;
   leagueName: string;
+  leagueLogoUrl?: string | null;
   expanded: boolean;
   matches: {
     id: string;
@@ -12,6 +13,8 @@ defineProps<{
     awayTeamName: string;
     homeTeamCode?: string;
     awayTeamCode?: string;
+    homeTeamLogoUrl?: string | null;
+    awayTeamLogoUrl?: string | null;
     startTime: string;
   }[];
 }>();
@@ -26,7 +29,11 @@ const emit = defineEmits<{ toggle: []; bet: [id: string] }>();
         <span class="toggle-mark">{{ expanded ? '−' : '+' }}</span>
       </span>
       <span class="league-title">*{{ leagueName }}</span>
-      <img :src="saishiImg" alt="" class="league-saishi" />
+      <img
+        :src="leagueLogoUrl || saishiImg"
+        alt=""
+        class="league-saishi"
+      />
     </button>
 
     <div v-show="expanded" class="match-panel">