Fix 401: force logout si token expiré (Dashboard)

frontend/src/App.jsx

@@ -27,7 +27,7 @@ function App() {
     <BrowserRouter>
       <Layout user={user} onLogout={handleLogout}>
         <Routes>
-          <Route path='/' element={<Dashboard token={token} user={user} />} />
+          <Route path='/' element={<Dashboard token={token} user={user} onLogout={handleLogout} />} />
           <Route path='*' element={<Navigate to='/' />} />
         </Routes>
       </Layout>

frontend/src/components/Dashboard.jsx

@@ -14,7 +14,7 @@ function getCosts(d) {
   return { nbUsers, doms, ksuite, site, extra, domCost, total: ksuite + site + extra + domCost }
 }
 
-export default function Dashboard({ token, user }) {
+export default function Dashboard({ token, user, onLogout }) {
   const [domains, setDomains] = useState([])
   const [activeTab, setActiveTab] = useState(-1)
   const [loading, setLoading] = useState(true)
@@ -23,7 +23,12 @@ export default function Dashboard({ token, user }) {
 
   useEffect(() => {
     fetch('/api/domains', { headers: { Authorization: 'Bearer ' + token } })
-      .then(r => r.json()).then(d => {
+      .then(r => {
+        if (r.status === 401) { onLogout && onLogout(); return null }
+        return r.json()
+      })
+      .then(d => {
+        if (!d) return
         const all = d.parent ? [d.parent, ...d.children] : d.children
         setDomains(all)
         setLoading(false)