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/backend/src/services/admin/admin-read-service.ts

@@ -24,6 +24,7 @@ import { createHttpError } from '../../utils/http.js'
 import { formatFenToAmount, normalizeFen } from '../../utils/money.js'
 import {
   normalizeDateQuery,
+  normalizeDateString,
   normalizePage,
   normalizePageSize,
   safeParseJson,
@@ -94,8 +95,8 @@ export async function getAdminOrders(
     payStatus: String(query.payStatus || '').trim(),
     taskStatus: String(query.taskStatus || '').trim(),
     skuCode: String(query.skuCode || '').trim(),
-    dateFrom: normalizeDateQuery(query.dateFrom),
-    dateTo: normalizeDateQuery(query.dateTo, true),
+    dateFrom: normalizeDateString(query.dateFrom),
+    dateTo: normalizeDateString(query.dateTo),
   })
 
   const orderIds = items.map((item) => Number(item.id)).filter((id) => id > 0)

apps/backend/src/services/order/order-service.ts

@@ -156,7 +156,8 @@ export async function upsertOrderFromSource(
       : await createOrderWithExecutor(executor, {
           ...basePayload,
           ...mergedPayload,
-          createdAt: now,
+          // 优先用平台支付/成团时间，避免积压同步把历史单排成「刚刚入库」。
+          createdAt: String(event.paidAt || now).trim() || now,
           updatedAt: now,
         })