Add dark-mode business logo, payment order steps, and Arvan DNS diagnostics.

Store logo_dark_media_id on businesses, expose logoDarkUrl on tenant/website APIs, prepend awaiting-payment steps to order workflows, and surface clearer Arvan API network errors.

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

src/business-settings/business-settings.util.ts

@@ -320,6 +320,19 @@ export function listPublicPaymentGateways(settings: EPaymentSettings) {
   };
 }
 
+const PAYMENT_PROCESS_STEP_IDS = ['awaiting-payment', 'payment-successful'] as const;
+
+/** Prepend default payment steps when an older store settings JSON omits them. */
+function ensurePaymentProcessSteps(steps: OrderProcessStep[]): OrderProcessStep[] {
+  const missing = DEFAULT_ORDER_PROCESS_STEPS.filter(
+    (defaults) =>
+      PAYMENT_PROCESS_STEP_IDS.includes(
+        defaults.id as (typeof PAYMENT_PROCESS_STEP_IDS)[number],
+      ) && !steps.some((step) => step.id === defaults.id),
+  );
+  return missing.length ? [...missing, ...steps] : steps;
+}
+
 function readOrderProcessSteps(value: unknown): OrderProcessStep[] {
   if (!Array.isArray(value)) {
     return DEFAULT_ORDER_PROCESS_STEPS;
@@ -351,7 +364,9 @@ function readOrderProcessSteps(value: unknown): OrderProcessStep[] {
     })
     .filter((step): step is OrderProcessStep => step !== null);
 
-  return steps.length ? steps : DEFAULT_ORDER_PROCESS_STEPS;
+  return steps.length
+    ? ensurePaymentProcessSteps(steps)
+    : DEFAULT_ORDER_PROCESS_STEPS;
 }
 
 export function normalizeBusinessSettings(raw: unknown): BusinessSettings {