feat(admin,api,player): 结算预览分页、统计图表与返水限额

完善结算计算与预览 API（含后端分页），加强管理端结算/返水/权限，并优化玩家端投注单与队徽展示。

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

apps/admin/src/views/Users.vue

@@ -47,14 +47,48 @@ const editingId = ref('');
 
 const depositForm = ref({ userId: '', amount: 100, remark: '' });
 const playerSettings = ref({ allowPasswordChange: true, allowUsernameChange: false });
+const bettingLimits = ref({
+  minStake: 1,
+  maxStakeSingle: 50000,
+  maxStakeParlay: 20000,
+  maxPayoutSingle: 500000,
+  maxPayoutParlay: 1000000,
+  dailyStakeLimit: 200000,
+});
 const settingsSaving = ref(false);
+const limitsSaving = ref(false);
 
 onMounted(() => {
   loadAgentOptions();
   loadPlayerSettings();
+  loadBettingLimits();
   load();
 });
 
+async function loadBettingLimits() {
+  try {
+    const { data } = await api.get('/admin/settings/betting-limits');
+    bettingLimits.value = data.data;
+  } catch {
+    /* 使用默认值 */
+  }
+}
+
+async function saveBettingLimits() {
+  limitsSaving.value = true;
+  try {
+    const { data } = await api.put('/admin/settings/betting-limits', bettingLimits.value);
+    bettingLimits.value = data.data;
+    ElMessage.success(t('msg.saved'));
+  } catch (e: unknown) {
+    const err = e as { response?: { data?: { error?: string } } };
+    ElMessage.error(err.response?.data?.error ?? t('msg.save_failed'));
+    loadBettingLimits();
+  } finally {
+    limitsSaving.value = false;
+  }
+}
+
 async function loadPlayerSettings() {
   try {
     const { data } = await api.get('/admin/users/settings/account');
@@ -312,6 +346,38 @@ function statusLabel(s: string) {
     </div>
   </el-card>
 
+  <el-card class="settings-card" shadow="never">
+    <div class="global-settings">
+      <span class="settings-title">{{ t('user.betting_limits') }}</span>
+      <span class="settings-desc">{{ t('user.betting_limits_hint') }}</span>
+      <el-form inline size="small" class="settings-form limits-form">
+        <el-form-item :label="t('user.limit.min_stake')">
+          <el-input-number v-model="bettingLimits.minStake" :min="0" :step="1" controls-position="right" />
+        </el-form-item>
+        <el-form-item :label="t('user.limit.max_stake_single')">
+          <el-input-number v-model="bettingLimits.maxStakeSingle" :min="0" :step="100" controls-position="right" />
+        </el-form-item>
+        <el-form-item :label="t('user.limit.max_stake_parlay')">
+          <el-input-number v-model="bettingLimits.maxStakeParlay" :min="0" :step="100" controls-position="right" />
+        </el-form-item>
+        <el-form-item :label="t('user.limit.max_payout_single')">
+          <el-input-number v-model="bettingLimits.maxPayoutSingle" :min="0" :step="1000" controls-position="right" />
+        </el-form-item>
+        <el-form-item :label="t('user.limit.max_payout_parlay')">
+          <el-input-number v-model="bettingLimits.maxPayoutParlay" :min="0" :step="1000" controls-position="right" />
+        </el-form-item>
+        <el-form-item :label="t('user.limit.daily_stake')">
+          <el-input-number v-model="bettingLimits.dailyStakeLimit" :min="0" :step="1000" controls-position="right" />
+        </el-form-item>
+        <el-form-item>
+          <el-button type="primary" :loading="limitsSaving" @click="saveBettingLimits">
+            {{ t('common.save') }}
+          </el-button>
+        </el-form-item>
+      </el-form>
+    </div>
+  </el-card>
+
   <el-card class="filter-card" shadow="never">
     <el-form inline>
       <el-form-item :label="t('common.keyword')">