完成UR46后端任务收口

internal/query/packageexpiry/query_test.go

@@ -92,6 +92,38 @@ func TestCalculate(t *testing.T) {
 				return []*model.PackageUsage{current, queued}
 			}(), wantStatus: constants.PackageExpiryEstimateStatusInvalidData,
 		},
+		{
+			name: "已过期退款软删除加油包均排除", usages: func() []*model.PackageUsage {
+				expired := newUsage(1, constants.PackageUsageStatusExpired, 1)
+				invalidated := newUsage(2, constants.PackageUsageStatusInvalidated, 2)
+				refundID := uint(3)
+				refunded := newUsage(3, constants.PackageUsageStatusActive, 3)
+				refunded.RefundID = &refundID
+				deleted := newUsage(4, constants.PackageUsageStatusActive, 4)
+				deleted.DeletedAt = gorm.DeletedAt{Time: now, Valid: true}
+				masterID := uint(1)
+				addon := newUsage(5, constants.PackageUsageStatusActive, 5)
+				addon.MasterUsageID = &masterID
+				return []*model.PackageUsage{expired, invalidated, refunded, deleted, addon}
+			}(), wantStatus: constants.PackageExpiryEstimateStatusNone,
+		},
+		{
+			name: "多个当前套餐为异常数据", usages: func() []*model.PackageUsage {
+				first := newUsage(1, constants.PackageUsageStatusActive, 1)
+				first.ExpiresAt = &currentExpiry
+				second := newUsage(2, constants.PackageUsageStatusDepleted, 2)
+				second.ExpiresAt = &currentExpiry
+				return []*model.PackageUsage{first, second}
+			}(), wantStatus: constants.PackageExpiryEstimateStatusInvalidData,
+		},
+		{
+			name: "已过期当前套餐返回负数自然日", usages: func() []*model.PackageUsage {
+				expiry := time.Date(2026, 7, 20, 23, 59, 59, 0, location)
+				u := newUsage(1, constants.PackageUsageStatusActive, 1)
+				u.ExpiresAt = &expiry
+				return []*model.PackageUsage{u}
+			}(), wantStatus: constants.PackageExpiryEstimateStatusExact, wantDays: intPointer(-3),
+		},
 	}
 	for _, tt := range tests {
 		t.Run(tt.name, func(t *testing.T) {
@@ -158,6 +190,25 @@ func TestQueryResolveBatchUsesOneBatchLoad(t *testing.T) {
 	}
 }
 
+// TestQueryIndexesExplainAnalyze 验证开发 PostgreSQL 为两类资产队列查询选择 UR46 部分索引。
+func TestQueryIndexesExplainAnalyze(t *testing.T) {
+	tx := testutil.NewPostgresTransaction(t)
+	queries := []string{
+		"EXPLAIN ANALYZE SELECT id FROM tb_package_usage WHERE iot_card_id = 970001 AND master_usage_id IS NULL AND refund_id IS NULL AND status IN (0, 1, 2) ORDER BY priority ASC, created_at ASC, id ASC",
+		"EXPLAIN ANALYZE SELECT id FROM tb_package_usage WHERE device_id = 970001 AND master_usage_id IS NULL AND refund_id IS NULL AND status IN (0, 1, 2) ORDER BY priority ASC, created_at ASC, id ASC",
+	}
+	for _, query := range queries {
+		var lines []string
+		if err := tx.Raw(query).Scan(&lines).Error; err != nil {
+			t.Fatalf("执行 EXPLAIN ANALYZE 失败：%v", err)
+		}
+		if len(lines) == 0 {
+			t.Fatal("EXPLAIN ANALYZE 未返回执行计划")
+		}
+		t.Logf("%s", lines)
+	}
+}
+
 func modelBase(id uint, createdAt time.Time) gorm.Model {
 	return gorm.Model{ID: id, CreatedAt: createdAt}
 }