Server card: add email/messaging as typical user interface

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

Author: rmdevpro

open-source/blueprint-agentic-workbench.html

@@ -264,7 +264,7 @@ <h2>Connected.</h2>
       </div>
       <div class="deploy-card">
         <h2>Server.</h2>
-        <p>Agent teams serve organizations and multiple users more broadly.</p>
+        <p>Agent teams serve organizations and multiple users more broadly. Often uses email or messaging apps/services as the primary interface between users and the agents.</p>
         <div class="tag">Custom deployment · pay-per-use accounts</div>
       </div>
     </div>