=== VAPID Keys generate con successo === Copia questi valori in backend/api/config.php: VAPID_PUBLIC_KEY: 'BOgNJ559_MKhi_T7_HD6sJQkJNagXeBB-5hcSyOd_OJETH1vUqlI7ePgnP_a7bqGDyEKY4Im2ibWQvn70QLJOOU' VAPID_PRIVATE_KEY: 'YkWD_Z9qS-1wPTgVmDLcZJB__ORO8glhkIMrtg_VzhI' Copia VAPID_PUBLIC_KEY anche in frontend/src/lib/push.ts -> VAPID_PUBLIC_KEY