export function getAdminDeviceId(): string { const key = 'admin-device-id'; let id = localStorage.getItem(key); if (!id) { id = generateId(); localStorage.setItem(key, id); } return id; } function generateId(): string { return 'xxxxxxxx-xxxx-4xxx-yxxx-xxxxxxxxxxxx'.replace(/[xy]/g, (c) => { const r = (crypto.getRandomValues(new Uint8Array(1))[0] & 0xf) >> 0; const v = c === 'x' ? r : (r & 0x3) | 0x8; return v.toString(16); }); }