Function renderFrontmatterTable

server/utils/readme.ts:450–462

* Render YAML frontmatter as a GitHub-style key-value table.

(data: Record<string, unknown>)

 * Render YAML frontmatter as a GitHub-style key-value table.
 */
function renderFrontmatterTable(data: Record<string, unknown>): string {
  const entries = Object.entries(data)
  if (entries.length === 0) return ''

  const rows = entries
    .map(([key, value]) => {
      const displayValue =
        typeof value === 'object' && value !== null ? JSON.stringify(value) : String(value ?? '')
      return `<tr><th>${escapeHtml(key)}</th><td>${escapeHtml(displayValue)}</td></tr>`
    })
    .join('\n')
  return `<table><thead><tr><th>Key</th><th>Value</th></tr></thead><tbody>\n${rows}\n</tbody></table>\n`
}

// Extract and preserve allowed attributes from HTML heading tags
function extractHeadingAttrs(attrsString: string): string {