/**
         * Email Notification Configuration
         * ===============================
         * SMTP settings for system alerts and notifications
         *
         * Core Settings:
         * -------------
         * - alert      : Enable/disable email alerts [true/false] (default: false)
         * - host       : SMTP server address (default: 'smtp.gmail.com')
         * - port       : SMTP port (default: 587 for TLS)
         * - username   : SMTP auth username
         * - password   : SMTP auth password (store ONLY in .env)
         * - sendTo     : Recipient email for alerts
         *
         * Common Providers:
         * ----------------
         * Gmail:
         * - host: smtp.gmail.com
         * - port: 587
         *
         * Office365:
         * - host: smtp.office365.com
         * - port: 587
         *
         * SendGrid:
         * - host: smtp.sendgrid.net
         * - port: 587
         */
        email: {
            alert: process.env.EMAIL_ALERTS_ENABLED === 'true',
            host: process.env.EMAIL_HOST || 'smtp.gmail.com',
            port: parseInt(process.env.EMAIL_PORT) || 587,
            username: process.env.EMAIL_USERNAME || 'your_username',
            password: process.env.EMAIL_PASSWORD || 'your_password',
            sendTo: process.env.EMAIL_SEND_TO || 'sfu.mirotalk@gmail.com',
        },