campaign sending prototype

webui/src/features/admin/adminUtils.ts

@@ -1,3 +1,5 @@
+import { formatDateTime as formatPlatformDateTime } from "../../utils/datetime";
+
 export function adminErrorMessage(error: unknown): string {
   if (!(error instanceof Error)) return "The administrative operation failed.";
   const message = error.message;
@@ -17,9 +19,7 @@ export function adminErrorMessage(error: unknown): string {
 }
 
 export function formatDateTime(value?: string | null): string {
-  if (!value) return "Never";
-  const date = new Date(value);
-  return Number.isNaN(date.getTime()) ? value : date.toLocaleString();
+  return formatPlatformDateTime(value, { fallback: "Never" });
 }
 
 export function joinLabels(values: Array<{ name: string }>): string {