Hide payment steps from the admin order status modal.

Admins can only choose fulfillment steps; payment status stays gateway-driven.

Co-authored-by: Cursor <cursoragent@cursor.com>

apps/business/src/services/settingsService.ts

@@ -146,6 +146,16 @@ export interface SettingsResponse {
   settings: BusinessSettings
 }
 
+/** Set by payment gateway only — not selectable in admin status change. */
+export const SYSTEM_PAYMENT_PROCESS_STEP_IDS = [
+  'awaiting-payment',
+  'payment-successful',
+] as const
+
+export function isSystemPaymentProcessStep(stepId: string): boolean {
+  return (SYSTEM_PAYMENT_PROCESS_STEP_IDS as readonly string[]).includes(stepId)
+}
+
 export const DEFAULT_ORDER_PROCESS_STEPS: OrderProcessStep[] = [
   {
     id: 'awaiting-payment',