fix: 简化待付款订单核单条件 (#126)

client/test/test_pdd_u2_purchase_reconcile_adapter.py

@@ -26,6 +26,7 @@ def query() -> PurchaseReconcileQuery:
         unit_price_cent=4200,
         total_price_cent=8400,
         irreversible_action_at="2026-08-10T08:00:00Z",
+        order_submitted_at="2026-08-10T08:03:00Z",
         reconcile_started_at="2026-08-10T08:05:00Z",
     )
 
@@ -235,6 +236,29 @@ class PddU2PurchaseReconcileAdapterTest(unittest.TestCase):
 
         self.assertIsNone(_merge_order_evidence(first, second))
 
+    def test_minimal_order_and_time_candidate_uses_five_minute_window(self):
+        within_window = PurchaseOrderCandidate(
+            order_no="ORDER-MINIMAL",
+            ordered_at="2026-08-10T08:08:00Z",
+            payment_status="unpaid",
+        )
+        outside_window = PurchaseOrderCandidate(
+            order_no="ORDER-LATE",
+            ordered_at="2026-08-10T08:08:01Z",
+            payment_status="unpaid",
+        )
+
+        self.assertTrue(
+            PurchaseReconcileService._candidate_matches(
+                within_window, query()
+            )
+        )
+        self.assertFalse(
+            PurchaseReconcileService._candidate_matches(
+                outside_window, query()
+            )
+        )
+
     def test_multiple_order_actions_disable_detail_evidence_merge(self):
         root = _parse_xml(
             '<hierarchy><node package="com.xunmeng.pinduoduo" '