// js/background.js
chrome.runtime.onMessage.addListener((request, sender, sendResponse) => {
    if (request.type === 'mostrarNotificacao') {
        chrome.notifications.create('', {
            type: 'basic',
            iconUrl: chrome.runtime.getURL(request.options.iconUrl),
            title: request.options.title,
            message: request.options.message,
            priority: 2
        });
    }
});