Surprise : desactiver en mode strip/multi (photo simple uniquement)

Co-Authored-By: Claude Opus 4.6 <noreply@anthropic.com>

frontend/index.html

@@ -1146,7 +1146,7 @@
 
   <script src="/js/websocket.js?v=16"></script>
   <script src="/js/app.js?v=25"></script>
-  <script src="/js/camera.js?v=21"></script>
+  <script src="/js/camera.js?v=22"></script>
   <script src="/js/effects.js?v=4"></script>
   <script src="/js/gallery.js?v=5"></script>
   <script src="/js/share.js?v=9"></script>

frontend/js/camera.js

@@ -318,8 +318,8 @@ async function lancerCapture() {
     const avecPreMessages = (i === 0);
     await compteARebours(avecPreMessages);
 
-    // Surprise : afficher media juste avant capture
-    await afficherSurprise();
+    // Surprise : seulement en photo simple (pas strip/multi)
+    if (modeActuel === 'simple') await afficherSurprise();
 
     // Flash blanc immédiat + lancer capture en parallèle
     const flash = document.getElementById('flash-blanc');