<% for (let c = 0; c < numCols; c++) {
const cell = row[c];
const isEmpty = !cell || Object.keys(cell).length === 0;
const colClass = '<%= colWidth ? "col-' + colWidth + '" : "col" %>'; // placeholder for layout below
%>
<% if (isEmpty) { %>
<% } else {
// build data attributes from context if present
const ctx = cell.context || {};
const dataAttrs = [];
if (ctx.context) dataAttrs.push('data-context="' + ctx.context + '"');
if (ctx.timeout) dataAttrs.push('data-timeout="' + ctx.timeout + '"');
if (ctx.cid) dataAttrs.push('data-cid="' + ctx.cid + '"');
if (ctx.dial) dataAttrs.push('data-dial="' + ctx.dial + '"');
%>
<% } %>
<% } %>