fix

public/index.html

@@ -89,6 +89,7 @@
           <h2>No active screen shares</h2>
           <p>When someone shares their screen, it will appear here. Click the screen button below or press <b>S</b> to share.</p>
         </div>
+        <button id="btn-spatial-expand" title="Show spatial audio"><span class="material-symbols-outlined">keyboard_arrow_up</span></button>
       </div>
 
       <div id="spatial-resizer" title="Drag to resize"></div>
@@ -97,6 +98,7 @@
           <span>SPATIAL AUDIO</span>
           <span class="hint">drag your avatar to move; drag peers for local positioning &bull; scroll to zoom</span>
           <button id="btn-spatial-fit" class="spatial-action-btn" title="Fit all users in view"><span class="material-symbols-outlined">fit_screen</span> Fit View</button>
+          <button id="btn-spatial-collapse" class="spatial-action-btn" title="Hide spatial audio pane"><span class="material-symbols-outlined">keyboard_arrow_down</span> Hide</button>
         </div>
         <div id="spatial"></div>
       </div>