feat(F-065): completed feature

project/apps/admin/src/app/(dashboard)/customers/page.tsx

@@ -145,7 +145,7 @@ export default function CustomersPage() {
 
       {/* Buscador */}
       <div className="relative max-w-sm">
-        <input type="search" placeholder="Buscar por email..." value={search}
+        <input type="search" id="admin-customers-search" name="q" placeholder="Buscar por email..." value={search}
           onChange={(e) => setSearch(e.target.value)}
           className="w-full pl-10 pr-4 py-2.5 border border-gray-300 rounded-xl text-sm focus:ring-2 focus:ring-[#2D6A4F] focus:border-transparent outline-none" />
         <svg className="absolute left-3 top-1/2 -translate-y-1/2 w-4 h-4 text-gray-400" fill="none" viewBox="0 0 24 24" stroke="currentColor" strokeWidth={2}>