Generalize distributor report path rendering

internal/config/reports.go

@@ -123,26 +123,8 @@ func traverseReportDistributorPathOverrides(cfg Config) (map[report.ID][]string,
 
 func validateReportDistributorPathTemplates(reportKey string, templates []string) error {
 	name := fmt.Sprintf("reports.%s.distributor.path_templates", reportKey)
-	if len(templates) == 0 {
-		return fmt.Errorf("%s must contain at least one entry", name)
-	}
-	values := sampleDistributorTemplateValues()
-	seen := map[string]struct{}{}
-	for i, template := range templates {
-		itemName := fmt.Sprintf("%s[%d]", name, i)
-		rendered, err := renderDistributorTemplate(itemName, template, values, distributorTemplateVariables)
-		if err != nil {
-			return err
-		}
-		if err := ValidateDistributorReportPath(itemName, rendered); err != nil {
-			return err
-		}
-		if _, ok := seen[rendered]; ok {
-			return fmt.Errorf("%s renders duplicate path %q", name, rendered)
-		}
-		seen[rendered] = struct{}{}
-	}
-	return nil
+	_, err := RenderDistributorReportPaths(name, templates, sampleDistributorTemplateValues())
+	return err
 }
 
 func sampleDistributorTemplateValues() DistributorTemplateValues {
@@ -158,6 +140,7 @@ func sampleDistributorTemplateValues() DistributorTemplateValues {
 		ValidEndTime:    "0000",
 		ValidStartStamp: "2026-05-29T0000",
 		ValidEndStamp:   "2026-05-30T0000",
+		StormID:         "2026-05-29T0000-2026-05-30T0000",
 	}
 }