feat(v2): reconcile Runner 骨架 + 订单级过期清理(超 TTL pending 单/零尝试孤儿单自动关闭)

internal/store/order_query_test.go

@@ -49,3 +49,48 @@ func TestListPendingAndExpire(t *testing.T) {
 	}
 	_ = time.Now
 }
+
+func TestExpireStaleOrders(t *testing.T) {
+	db := model.OpenTestDB(t)
+	s := store.NewOrderStore(db)
+	now := time.Date(2026, 7, 10, 12, 0, 0, 0, time.UTC)
+
+	// 三张单:旧 pending(应过期)、新 pending(未到点)、旧 paid(不动)。
+	mk := func(no string, st model.OrderStatusV2, createdAgo time.Duration) {
+		o := &model.OrderV2{OutTradeNo: no, AmountMinor: 100, Currency: "USDT", Status: st}
+		if err := s.CreateOrder(o); err != nil {
+			t.Fatalf("create %s: %v", no, err)
+		}
+		// 直接回填 created_at 制造账龄(GORM 默认写 now)。
+		if err := db.Model(&model.OrderV2{}).Where("out_trade_no = ?", no).
+			Update("created_at", now.Add(-createdAgo)).Error; err != nil {
+			t.Fatalf("backdate %s: %v", no, err)
+		}
+	}
+	mk("STALE", model.OrderPendingV2, 2*time.Hour)   // 旧 pending
+	mk("FRESH", model.OrderPendingV2, 5*time.Minute) // 新 pending
+	mk("PAID", model.OrderPaidV2, 2*time.Hour)       // 旧 paid
+
+	cutoff := now.Add(-time.Hour) // TTL=1h
+	n, err := s.ExpireStaleOrders(cutoff, 500)
+	if err != nil {
+		t.Fatalf("expire: %v", err)
+	}
+	if n != 1 {
+		t.Fatalf("应关闭 1 张(仅 STALE), got %d", n)
+	}
+	assertStatus := func(no string, want model.OrderStatusV2) {
+		o, _ := s.GetOrder(no)
+		if o.Status != want {
+			t.Fatalf("%s status = %v, want %v", no, o.Status, want)
+		}
+	}
+	assertStatus("STALE", model.OrderExpiredV2)
+	assertStatus("FRESH", model.OrderPendingV2)
+	assertStatus("PAID", model.OrderPaidV2)
+
+	// 幂等:再跑一次不再关闭(STALE 已非 pending)。
+	if n2, _ := s.ExpireStaleOrders(cutoff, 500); n2 != 0 {
+		t.Fatalf("重跑应 0, got %d", n2)
+	}
+}