<h4>Admin Accounts — DataTable Rebuild + Performance Fix</h4>
<ul>
<li>Replaced server-side tablesorter (600+ PHP-rendered rows) with client-side v7 DataTable</li>
<li>Eliminated N+1 query problem: was 1800+ queries (3 per account × 600), now 3 total queries with batch lookups</li>
<li>Page load: from Puppeteer timeout to 373KB in ~10s</li>
<li>v7 table: <code>table-custom table-centered table-hover table-sm</code></li>
<li>Columns: ID, Online Status (badge), Date, Type (badge), Name, Username, Email, Account Status (soft badge), Actions</li>
<li>DataTable features: instant search, column sorting, pagination (25 per page), length menu</li>
<li>Zero PHP/JS errors</li>
</ul>