// session.js function getSessionId() { let sessionId = localStorage.getItem('session_id'); if (!sessionId) { try { sessionId = 'xxxxxxxx-xxxx-4xxx-yxxx-xxxxxxxxxxxx'.replace(/[xy]/g, function(c) { const r = Math.random() * 16 | 0, v = c == 'x' ? r : (r & 0x3 | 0x8); return v.toString(16); }); localStorage.setItem('session_id', sessionId); } catch (error) { console.error('Error generating session ID:', error); } } return sessionId; }