fix(settlement): align winery bill T+3 window to order completedAt

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

server/dukang-api/src/modules/settlement/settlement.service.ts

@@ -1581,13 +1581,15 @@ export class SettlementService {
       return { billDate: billDate.toISOString().slice(0, 10), skipped: true, reason: '已打款' };
     }
 
+    // T+3：纳入「账单日」当天完成的同城/跨城订单（完成日 = 今天 − lagDays）
     const orders = await this.prisma.order.findMany({
       where: {
+        status: 'COMPLETED',
         payStatus: 'PAID',
         deliveryType: { in: ['LOCAL', 'CROSS_CITY'] },
-        paidAt: { gte: start, lt: end },
+        completedAt: { gte: start, lt: end },
       },
-      orderBy: { paidAt: 'asc' },
+      orderBy: { completedAt: 'asc' },
     });
 
     if (orders.length === 0 && !existing) {
@@ -1633,7 +1635,8 @@ export class SettlementService {
             deliveryType: o.deliveryType,
             payAmount: o.payAmount,
             wineryAmount: round2(Number(o.payAmount) * rate),
-            paidAt: o.paidAt!,
+            // 明细仍保留支付时间；账期窗口按 completedAt 归属
+            paidAt: o.paidAt ?? o.completedAt!,
           })),
         });
       }