Update public/index.html, public/sounds/click.mp3

public/index.html

@@ -285,6 +285,9 @@
     </div>
   </div>
 
+  <!-- Audio-Element für Button-Klick -->
+  <audio id="button-sound" src="click.mp3" preload="auto"></audio>
+
   <script>
     // Variablen
     let selectedModel = 'robot';
@@ -318,6 +321,12 @@
 
     window.onload = () => {
       initializeAddMenu();
+
+      // Fügt Sound zu allen Buttons hinzu
+      const buttons = document.querySelectorAll("button, .menu-item");
+      buttons.forEach(button => {
+        button.addEventListener("click", playButtonSound);
+      });
     };
 
     function initializeAddMenu() {
@@ -443,6 +452,7 @@
 
     function completeEditing() {
       removeHighlightFromSelectedModel();
+      closeDynamicMenu();
       selectedPlacedModel = null;
       document.getElementById('edit-menu').style.display = 'none';
       document.getElementById('menu-bar').style.display = 'flex';
@@ -636,6 +646,22 @@
       document.getElementById('confirmation-dialog').style.display = 'none';
     }
 
+    let soundTimeout = false;
+
+    function playButtonSound() {
+      if (!soundTimeout) {
+        const sound = document.getElementById("button-sound");
+        sound.currentTime = 0;
+        sound.play();
+
+        soundTimeout = true;
+        setTimeout(() => {
+          soundTimeout = false;
+        }, 200); // Verzögerung von 200ms
+      }
+    }
+
+
     if (navigator.xr) {
       const startButton = document.createElement('button');
       startButton.textContent = 'Start AR';