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/website/website-business-info.service.ts

@@ -21,6 +21,7 @@ export class WebsiteBusinessInfoService {
       where: { id: business.id },
       include: {
         logoMedia: true,
+        logoDarkMedia: true,
         faviconMedia: true,
         addresses: { orderBy: { createdAt: 'asc' } },
       },
@@ -37,6 +38,7 @@ export class WebsiteBusinessInfoService {
       about: record.about ?? '',
       vision: record.vision ?? '',
       logoUrl: record.logoMedia?.publicUrl ?? null,
+      logoDarkUrl: record.logoDarkMedia?.publicUrl ?? null,
       faviconUrl:
         record.faviconMedia?.publicUrl ?? record.logoMedia?.publicUrl ?? null,
       emails: normalizeEmails(record.emails),