Build an HTML section element for displaying intelligence items as a list.
All title, className, and item strings are HTML-escaped to prevent XSS.
Returns an empty string when the items array is empty.
Parameters
title: string
Section heading text (will be HTML-escaped)
items: string[]
Array of text items to display as list entries (will be HTML-escaped)
className: string
CSS class name for the section element (will be HTML-escaped)
Returns string
HTML string for the intelligence section, or empty string if no items
Build an HTML section element for displaying intelligence items as a list. All title, className, and item strings are HTML-escaped to prevent XSS. Returns an empty string when the items array is empty.