fix(ci): 修复最后一批CI错误

- 修复 ops_repo_trends.go 中剩余3处 Rows.Close 未检查错误
- 修复 ops_settings.go, ops_settings_models.go, ops_trends.go 的格式化问题

backend/internal/service/ops_settings.go

@@ -359,9 +359,9 @@ func (s *OpsService) UpdateOpsAlertRuntimeSettings(ctx context.Context, cfg *Ops
 func defaultOpsAdvancedSettings() *OpsAdvancedSettings {
 	return &OpsAdvancedSettings{
 		DataRetention: OpsDataRetentionSettings{
-			CleanupEnabled:            false,
-			CleanupSchedule:           "0 2 * * *",
-			ErrorLogRetentionDays:     30,
+			CleanupEnabled:             false,
+			CleanupSchedule:            "0 2 * * *",
+			ErrorLogRetentionDays:      30,
 			MinuteMetricsRetentionDays: 30,
 			HourlyMetricsRetentionDays: 30,
 		},
@@ -463,4 +463,3 @@ func (s *OpsService) UpdateOpsAdvancedSettings(ctx context.Context, cfg *OpsAdva
 	_ = json.Unmarshal(raw, updated)
 	return updated, nil
 }
-

backend/internal/service/ops_settings_models.go

@@ -75,14 +75,13 @@ type OpsAdvancedSettings struct {
 }
 
 type OpsDataRetentionSettings struct {
-	CleanupEnabled            bool   `json:"cleanup_enabled"`
-	CleanupSchedule           string `json:"cleanup_schedule"`
-	ErrorLogRetentionDays     int    `json:"error_log_retention_days"`
-	MinuteMetricsRetentionDays int   `json:"minute_metrics_retention_days"`
-	HourlyMetricsRetentionDays int   `json:"hourly_metrics_retention_days"`
+	CleanupEnabled             bool   `json:"cleanup_enabled"`
+	CleanupSchedule            string `json:"cleanup_schedule"`
+	ErrorLogRetentionDays      int    `json:"error_log_retention_days"`
+	MinuteMetricsRetentionDays int    `json:"minute_metrics_retention_days"`
+	HourlyMetricsRetentionDays int    `json:"hourly_metrics_retention_days"`
 }
 
 type OpsAggregationSettings struct {
 	AggregationEnabled bool `json:"aggregation_enabled"`
 }
-

backend/internal/service/ops_trends.go

@@ -24,4 +24,3 @@ func (s *OpsService) GetThroughputTrend(ctx context.Context, filter *OpsDashboar
 	}
 	return s.opsRepo.GetThroughputTrend(ctx, filter, bucketSeconds)
 }
-