Fixed new user username formating

PostFundManagement.ConsoleUI/src/services/api.ts

@@ -1382,10 +1382,22 @@ export const createUser = async (
 ): Promise<void> => {
   const encodedTenant = encodeEntityId(tenantId) || String(tenantId);
   const encodedIdNumber = encodeIdNumberHex(idNumber);
+
+  // Normalize and sanitize userName: Duende / Skoruba Identity Server rejects usernames with spaces
+  const rawEmail = payload.email?.trim().toLowerCase() || '';
+  const rawUserName = payload.userName?.trim();
+  let sanitizedUserName = rawUserName
+    ? rawUserName.toLowerCase().replace(/\s+/g, '.').replace(/[^a-z0-9_.\-@+]/g, '')
+    : rawEmail.split('@')[0];
+
+  if (!sanitizedUserName) {
+    sanitizedUserName = rawEmail;
+  }
+
   await apiClient.post(`/v1/api/users/${encodeURIComponent(encodedTenant)}/${encodeURIComponent(encodedIdNumber)}`, {
     id: payload.id || null,
-    userName: payload.userName || null,
-    email: payload.email || null,
+    userName: sanitizedUserName,
+    email: rawEmail || null,
     emailConfirmed: payload.emailConfirmed ?? true,
     phoneNumber: payload.phoneNumber || null,
     phoneNumberConfirmed: payload.phoneNumberConfirmed ?? false,