fix billing and 2fa admin

apps/admin/src/app/dashboard/admin-users/page.tsx

@@ -9,6 +9,7 @@ interface AdminUser {
   lastName: string
   email: string
   role: string
+  preferredLocale: 'ar' | 'en' | 'fr'
   isActive: boolean
   createdAt: string
   permissions?: { id: string; resource: string; actions: string[] }[]
@@ -21,6 +22,7 @@ const EMPTY_FORM = {
   email: '',
   password: '',
   role: 'SUPPORT',
+  preferredLocale: 'en',
   isActive: true,
 }
 
@@ -68,6 +70,7 @@ export default function AdminUsersPage() {
       email: admin.email,
       password: '',
       role: admin.role,
+      preferredLocale: admin.preferredLocale,
       isActive: admin.isActive,
     })
     setError(null)
@@ -92,6 +95,7 @@ export default function AdminUsersPage() {
         lastName: form.lastName,
         email: form.email,
         role: form.role,
+        preferredLocale: form.preferredLocale,
         isActive: form.isActive,
         ...(form.password ? { password: form.password } : {}),
       }
@@ -273,6 +277,18 @@ export default function AdminUsersPage() {
                   {ROLES.map((r) => <option key={r} value={r}>{r}</option>)}
                 </select>
               </div>
+              <div>
+                <label className="block text-xs font-medium text-zinc-400 mb-1">Notification language</label>
+                <select
+                  className="w-full px-3 py-2 rounded-xl bg-zinc-800 border border-zinc-700 text-zinc-100 text-sm focus:outline-none focus:ring-2 focus:ring-emerald-500"
+                  value={form.preferredLocale}
+                  onChange={(e) => setForm({ ...form, preferredLocale: e.target.value as 'ar' | 'en' | 'fr' })}
+                >
+                  <option value="en">English</option>
+                  <option value="fr">Français</option>
+                  <option value="ar">العربية</option>
+                </select>
+              </div>
               <div>
                 <label className="block text-xs font-medium text-zinc-400 mb-1">Status</label>
                 <select