Timestamp and registration checking

src/lib/db.ts

@@ -238,6 +238,17 @@ export async function clearEncryptedSecrets(requestId: string): Promise<void> {
   );
 }
 
+/**
+ * Wrapper around domain-check.ts that injects the portal's connection pool.
+ * Kept here so route handlers don't need direct access to the pool.
+ */
+export async function checkDuplicateDomain(email: string) {
+  await ensureSchema();
+  // Lazy import to keep db.ts free of fetch/AbortSignal at module load time.
+  const { checkRegistrationDomain } = await import("./domain-check");
+  return checkRegistrationDomain(getPool(), email);
+}
+
 /**
  * Mark a tenant request as "deleted" when the associated tenant CR is deleted.
  * This allows the customer to re-submit the onboarding wizard.