feat(admin+api+player): 优胜赛结算态、禁止新增单场与钱包流水展示优化

- API/管理端：优胜赛 SETTLED 后禁止新增单场，列表与子页展示结算状态
- 玩家端：已结算 outright 只读展示并高亮冠军
- 管理端：结算后 stale 标记驱动列表刷新；财务流水时间与备注 i18n 优化
- shared：txDisplayAmount 与 LEAGUE_OUTRIGHT_SETTLED 错误码

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

@@ -114,6 +114,7 @@ function toggle(id: string) {
 }
 
 function openBet(event: OutrightEvent, sel: OutrightSelection) {
+  if (event.bettingOpen === false || event.status === 'SETTLED') return;
   if (!auth.token) {
     goLogin();
     return;
@@ -144,6 +145,9 @@ function closeModal() {
       <p v-if="eventCount > 1" class="panel-summary">
         {{ t('bet.outright_events_summary', { events: eventCount, teams: totalSelections }) }}
       </p>
+      <p v-if="events.some((e) => e.bettingOpen === false || e.status === 'SETTLED')" class="panel-settled-hint">
+        {{ t('bet.outright_settled_hint') }}
+      </p>
 
       <div class="event-list">
         <OutrightEventSection
@@ -182,6 +186,18 @@ function closeModal() {
   line-height: 1.4;
 }
 
+.panel-settled-hint {
+  margin: 0 0 12px;
+  padding: 8px 10px;
+  border-radius: 8px;
+  background: rgba(201, 162, 39, 0.08);
+  border: 1px solid rgba(201, 162, 39, 0.22);
+  font-size: 12px;
+  font-weight: 600;
+  color: #c9a227;
+  line-height: 1.45;
+}
+
 .event-list {
   padding-bottom: 8px;
 }