Function formatDate

script.js:260–274

(isoString)

    }

    function formatDate(isoString) {
        const date = new Date(isoString);
        const now = new Date();
        const diffMs = now - date;
        const diffMins = Math.floor(diffMs / 60000);
        const diffHours = Math.floor(diffMs / 3600000);
        const diffDays = Math.floor(diffMs / 86400000);

        if (diffMins < 1) return 'Just now';
        if (diffMins < 60) return `${diffMins}m ago`;
        if (diffHours < 24) return `${diffHours}h ago`;
        if (diffDays < 7) return `${diffDays}d ago`;
        
        return date.toLocaleDateString();
    }

    function createHistoryDeleteButton(itemId) {
        const btn = document.createElement('button');