fix: rename Authorized Properties section to AdCP Capabilities (#203)

The section was displaying AdCP capabilities data but still had the
old "Authorized Properties" label. Updated to match the actual content.

Co-authored-by: Claude Opus 4.5 <noreply@anthropic.com>

Author: bokelley

src/public/index.html

@@ -2843,16 +2843,16 @@ <h3>🎬 Creative Management</h3>
         </div>
       </div>
 
-      <!-- Authorized Properties Section -->
+      <!-- AdCP Capabilities Section -->
       <div class="section">
         <h3>
-          🏢 Authorized Properties
+          ⚙️ AdCP Capabilities
           <span style="color: #666; font-size: 14px; font-weight: normal">- Auto-loaded with agent data</span>
         </h3>
 
         <div id="properties-content" style="min-height: 100px; padding: 15px; background: #f9f9f9; border-radius: 8px">
           <p style="color: #666; text-align: center">
-            Select an agent and click "Load Agent Data" to see authorized properties
+            Select an agent and click "Load Agent Data" to see AdCP capabilities
           </p>
         </div>
       </div>