fix(admin): 订单列表默认近7天并按支付时间筛选

避免无日期过滤时展示全库，关键词搜索不受日期限制；SSE 插入裁剪并尊重筛选，新单入库优先使用平台支付时间。

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

apps/frontend/src/utils/admin-options.ts

@@ -6,6 +6,12 @@ export const adminPayStatusOptions = [
   { label: '已退款', value: 'refunded' },
 ]
 
+export const adminOrderProviderOptions = [
+  { label: '拼多多', value: 'pdd' },
+  { label: '91卡券', value: '91kaquan' },
+  { label: '快手', value: 'kuaishou' },
+]
+
 export const adminOrderExecutorOptions = [
   { label: '联盟发货', value: 'affiliate_dash' },
   { label: '行业凭证', value: 'kuaishou-industry' },