merge: intègre dev dans main (retrait du bouton de notifications)

DataSentinel/src/components/Layout/Header.jsx

@@ -1,6 +1,6 @@
 /* En-tête fixe de l'application Data Sentinel */
 
-import { Bell, LogOut, Menu } from 'lucide-react';
+import { LogOut, Menu } from 'lucide-react';
 import { useAuth } from '../../context/useAuth';
 import { useNavigate } from 'react-router-dom';
 import styles from './Header.module.css';
@@ -40,9 +40,6 @@ export default function Header({ onToggleSidebar, sidebarOpen }) {
       </div>
 
       <div className={styles.right}>
-        <button className={styles.iconBtn} aria-label="Notifications">
-          <Bell size={18} color="var(--color-white)" aria-hidden="true" />
-        </button>
         {user && (
           <span className={styles.username} aria-label={`Connecté en tant que ${user.username}`}>
             {user.username}

DataSentinel/src/components/Layout/Header.module.css

@@ -68,15 +68,6 @@
   gap: 16px;
 }
 
-.iconBtn {
-  background: none;
-  border: none;
-  cursor: pointer;
-  padding: 4px;
-  display: flex;
-  align-items: center;
-}
-
 .username {
   color: var(--color-white);
   font-size: 13px;
@@ -122,7 +113,6 @@
 
 /* Focus visible sur tous les éléments interactifs */
 .burgerBtn:focus-visible,
-.iconBtn:focus-visible,
 .logoutBtn:focus-visible {
   outline: 2px solid var(--color-white);
   outline-offset: 2px;