feat: 赛事管理页面状态根据时间自动计算

- 添加 calculateStatus 方法根据报名时间和比赛时间计算状态
- 状态显示不再依赖数据库字段，而是实时计算

Co-authored-by: factory-droid[bot] <138933559+factory-droid[bot]@users.noreply.github.com>

src/views/martial/order/index.vue

@@ -60,8 +60,8 @@
         </el-table-column>
         <el-table-column prop="status" label="状态" width="90" align="center">
           <template #default="scope">
-            <el-tag :type="getStatusType(scope.row.status)" size="small">
-              {{ getStatusText(scope.row.status) }}
+            <el-tag :type="getStatusType(calculateStatus(scope.row))" size="small">
+              {{ getStatusText(calculateStatus(scope.row)) }}
             </el-tag>
           </template>
         </el-table-column>
@@ -252,6 +252,19 @@ export default {
       return `${start} ~ ${end}`
     },
 
+    // 根据时间计算赛事状态
+    calculateStatus(row) {
+      const now = new Date()
+      const regStart = row.registrationStartTime ? new Date(row.registrationStartTime) : null
+      const regEnd = row.registrationEndTime ? new Date(row.registrationEndTime) : null
+      const compStart = row.competitionStartTime ? new Date(row.competitionStartTime) : null
+      const compEnd = row.competitionEndTime ? new Date(row.competitionEndTime) : null
+      if (compEnd && now > compEnd) return 4
+      if (compStart && now >= compStart) return 3
+      if (regStart && regEnd && now >= regStart && now <= regEnd) return 2
+      return 1
+    },
+
     getStatusType(status) {
       const statusMap = {
         1: 'info',     // 未开始