feat(admin,player,api): 优胜冠军通用管理与界面精简

管理端新增冠军盘列表/编辑、展开懒加载与 ECharts 修复；各列表页去掉重复标题。玩家端支持多赛事冠军盘、分批加载与语言切换刷新。API 扩展 outright CRUD 与列表性能优化。

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

apps/player/src/components/outright/OutrightOptionCard.vue

@@ -1,5 +1,5 @@
 <script setup lang="ts">
-import { computed } from 'vue';
+import { computed, ref, watch } from 'vue';
 import { teamFlagUrl } from '../../utils/teamFlag';
 
 const props = defineProps<{
@@ -11,6 +11,18 @@ const props = defineProps<{
 const emit = defineEmits<{ pick: [] }>();
 
 const flag = computed(() => teamFlagUrl(props.teamCode, props.teamName));
+const flagFailed = ref(false);
+
+function onFlagError() {
+  flagFailed.value = true;
+}
+
+watch(
+  () => [props.teamCode, props.teamName] as const,
+  () => {
+    flagFailed.value = false;
+  },
+);
 
 function formatOdds(odds: string) {
   const n = parseFloat(odds);
@@ -20,7 +32,15 @@ function formatOdds(odds: string) {
 
 <template>
   <button type="button" class="option-card" @click="emit('pick')">
-    <img v-if="flag" :src="flag" alt="" class="flag" />
+    <img
+      v-if="flag && !flagFailed"
+      :src="flag"
+      alt=""
+      class="flag"
+      loading="lazy"
+      @error="onFlagError"
+    />
+    <span v-else class="flag-placeholder" aria-hidden="true">⚽</span>
     <span class="name">{{ teamName }}</span>
     <span class="odds">[ {{ formatOdds(odds) }} ]</span>
   </button>
@@ -53,6 +73,16 @@ function formatOdds(odds: string) {
   border-radius: 2px;
 }
 
+.flag-placeholder {
+  width: 28px;
+  height: 19px;
+  display: flex;
+  align-items: center;
+  justify-content: center;
+  font-size: 14px;
+  opacity: 0.55;
+}
+
 .name {
   font-size: 11px;
   font-weight: 800;