Fix static data volume mount and add global hover-to-translate mode

index.html

@@ -45,6 +45,9 @@
       </nav>
 
       <div class="header-actions">
+        <button id="hover-translate-toggle" class="hover-toggle-btn active" onclick="app.toggleHoverTranslate()" title="Wörter beim Drüberfahren (Hover) automatisch ins Englische übersetzen">
+          🔍 Hover-Übersetzer: <span id="hover-translate-status">AN</span>
+        </button>
         <div class="streak-chip" title="1400+ Days Foundation + Active Recall Streak">
           🔥 <span id="streak-count">1401</span> Tage
         </div>
@@ -398,6 +401,9 @@
     </div>
   </div>
 
+  <!-- HOVER TRANSLATE TOOLTIP -->
+  <div id="hover-translate-tooltip" class="hover-translate-tooltip"></div>
+
   <!-- TOAST NOTIFICATION -->
   <div id="toast" class="toast-notification"></div>
 
@@ -405,6 +411,7 @@
   <script src="data/vocabulary.js"></script>
   <script src="data/stories.js"></script>
   <script src="data/scenarios.js"></script>
+  <script src="data/hover_dict.js"></script>
   <script src="app.js"></script>
 </body>
 </html>