Access control: add agent-mediated cross-system revocation paragraph

Co-Authored-By: Claude Opus 4.7 <noreply@anthropic.com>

Author: rmdevpro

case-studies/riverside-mill-complex.html

@@ -186,6 +186,7 @@ <h2>Security cameras</h2>
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     <h2>Access control</h2>
     <p>Eighteen access control panels covering seventy-two doors across the campus, with card-based entry, tenant-specific profiles, audit logging, and integration with the camera feeds. Tenants administer access for their own spaces; common areas and shared infrastructure are administered centrally.</p>
+    <p>Chat-based agents handle general system management. Closed access-control software systems from different vendors are integrated together by agentic control of their interfaces &mdash; when a tenant removes a user from their own access-control system, that user's access to the general building is automatically revoked.</p>
   </div>
 
   <div class="cs-section">