frontend: skip landing page

zettelkasten-front/src/App.tsx

@@ -1,4 +1,4 @@
-import React from "react";
+import React, { useEffect } from "react";
 import { Admin } from "./pages/admin/AdminPage";
 import LandingPage from "./landing/LandingPage";
 import LoginForm from "./pages/LoginPage";
@@ -7,8 +7,19 @@ import RegisterPage from "./pages/RegisterPage";
 import { Routes, Route } from "react-router-dom";
 import PasswordReset from "./pages/PasswordReset";
 import EmailValidation from "./pages/EmailValidation";
+import { useAuth } from "./contexts/AuthContext";
+
+import { useNavigate } from "react-router-dom";
 
 function App() {
+  const navigate = useNavigate();
+  const { isAuthenticated } = useAuth();
+  useEffect(() => {
+    if (isAuthenticated && location.pathname === "/") {
+      navigate("/app");
+    }
+  }, [isAuthenticated, navigate]); // Add dependencies
+
   return (
     <div>
       <Routes>