<h4>Module Icon Upgrade</h4><p>Updated all 82 active module icons in <code>domain_controlpanel.ItemIcon</code> from FA4/placeholder icons to proper FA6 icons.</p><h5>Notable Fixes</h5><ul><li>About Us: <code>fa-adn</code> (brand) → <code>fa-address-card</code></li><li>AI: <code>fa-odnoklassniki</code> (Russian social) → <code>fa-robot</code></li><li>Pet Registry: <code>fa-github-alt</code> (brand) → <code>fa-paw</code></li><li>Testimonials: <code>fa-tumblr</code> (brand) → <code>fa-quote-left</code></li><li>Coupons: <code>fa-contao</code> (brand) → <code>fa-ticket</code></li><li>Associate: <code>fa-ra</code> (brand) → <code>fa-handshake</code></li><li>Project Manager: <code>fa-angellist</code> (brand) → <code>fa-diagram-project</code></li><li>Writing Assistant: <code>fa-pencil-square-o</code> → <code>fa-wand-magic-sparkles</code></li><li>5 modules had empty icons — now filled</li></ul><p>All icons use <code>fa fa-{name}</code> format compatible with FA6 + v4-shims.</p>