Feat : add Webauth

vps-monitor/frontend/src/App.jsx

@@ -25,6 +25,7 @@ export default function App() {
   const [role,        setRole]        = useState(null)
   const [page,        setPage]        = useState('main') // 'main' | 'profile' | 'admin'
   const [isFirstUser, setIsFirstUser] = useState(false)
+  const [passkeyEnabled, setPasskeyEnabled] = useState(false)
   const [authChecked, setAuthChecked] = useState(false)
 
   const [vpsList,     setVpsList]     = useState([])
@@ -56,7 +57,10 @@ export default function App() {
   // Vérifie si des utilisateurs existent (pour afficher login ou register)
   useEffect(() => {
     authStatus()
-      .then(({ has_users }) => setIsFirstUser(!has_users))
+      .then(({ has_users, passkey_enabled }) => {
+        setIsFirstUser(!has_users)
+        setPasskeyEnabled(!!passkey_enabled)
+      })
       .catch(() => setIsFirstUser(false))
       .finally(() => setAuthChecked(true))
   }, [])
@@ -211,6 +215,7 @@ export default function App() {
     return (
       <LoginPage
         isFirstUser={isFirstUser}
+        passkeyEnabled={passkeyEnabled}
         onAuthenticated={handleAuthenticated}
       />
     )