Version stable, aprelic, connexion CFRS et autres corrections

public/includes/header.php

@@ -292,9 +292,14 @@
              <li onclick="closeMenu(); openContactAdmin()">
                   <?php echo htmlspecialchars($translations['contact_admin']) ?>
                 </li>
-            <li onclick="location.href='/public/deconnexion.php'">
-              <?php echo htmlspecialchars($translations['menu_deconnexion']) ?>
-            </li>
+            <li class="menu-item-form">
+  <form method="POST" action="/public/deconnexion.php" class="menu-logout-form">
+    <input type="hidden" name="csrf_token" value="<?php echo htmlspecialchars(ensure_csrf_token(), ENT_QUOTES, 'UTF-8') ?>">
+    <button type="submit" class="menu-logout-btn">
+      <?php echo htmlspecialchars($translations['menu_deconnexion'] ?? 'Déconnexion') ?>
+    </button>
+  </form>
+</li>
           </ul>
         </div>
       </nav>