Apply tenant theme on business login and polish login branding.

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

apps/customer/src/context/TenantBrandingContext.tsx

@@ -16,6 +16,7 @@ import { resolveTenantByDomain } from '../services/tenantService'
 
 interface TenantBrandingContextValue {
   businessName: string
+  businessNameEn: string
   logoUrl: string | null
   faviconUrl: string | null
 }
@@ -35,6 +36,7 @@ function pickBusinessName(
 export function TenantBrandingProvider({ children }: { children: ReactNode }) {
   const { setLocale } = useLocale()
   const [businessName, setBusinessName] = useState('')
+  const [businessNameEn, setBusinessNameEn] = useState('')
   const [logoUrl, setLogoUrl] = useState<string | null>(null)
   const [faviconUrl, setFaviconUrl] = useState<string | null>(null)
   const defaultLocaleAppliedRef = useRef(false)
@@ -59,6 +61,7 @@ export function TenantBrandingProvider({ children }: { children: ReactNode }) {
           tenant.name,
           domain,
         )
+        const nameEn = pickBusinessName(info?.name, tenant.name, domain)
 
         const nextLogo =
           info?.logoUrl?.trim() || tenant.logoUrl?.trim() || null
@@ -69,6 +72,7 @@ export function TenantBrandingProvider({ children }: { children: ReactNode }) {
           null
 
         setBusinessName(name || domain)
+        setBusinessNameEn(nameEn || domain)
         setLogoUrl(nextLogo)
         setFaviconUrl(nextFavicon)
         applyDocumentFavicon(nextFavicon)
@@ -84,6 +88,7 @@ export function TenantBrandingProvider({ children }: { children: ReactNode }) {
       } catch (err) {
         if (isAbortError(err) || controller.signal.aborted) return
         setBusinessName(domain)
+        setBusinessNameEn(domain)
         setLogoUrl(null)
         setFaviconUrl(null)
         applyDocumentFavicon(null)
@@ -98,8 +103,8 @@ export function TenantBrandingProvider({ children }: { children: ReactNode }) {
   }, [domain, setLocale])
 
   const value = useMemo(
-    () => ({ businessName, logoUrl, faviconUrl }),
-    [businessName, logoUrl, faviconUrl],
+    () => ({ businessName, businessNameEn, logoUrl, faviconUrl }),
+    [businessName, businessNameEn, logoUrl, faviconUrl],
   )
 
   return (