Remake

Добавил авторизацию в приложение, сделал регистарцию, добавил мидлы

frontend/src/App.jsx

@@ -1,15 +1,48 @@
-import { BrowserRouter, Routes, Route } from "react-router-dom";
+import { BrowserRouter, Routes, Route, Navigate } from "react-router-dom";
 import Dashboard from "./pages/Dashboard";
 import PartDetail from "./pages/PartDetail";
 import AddPartPage from "./pages/AddPartPage";
+import AuthForm from "./components/AuthForm";
+
+const PrivateRoute = ({ children }) => {
+  const token = localStorage.getItem("token");
+
+  if (!token) {
+    return <Navigate to="/login" replace />;
+  }
+
+  return children;
+};
 
 export default function App() {
   return (
     <BrowserRouter>
       <Routes>
-        <Route path="/" element={<Dashboard />} />
-        <Route path="/part/:id" element={<PartDetail />} />
-        <Route path="/add" element={<AddPartPage />} />
+        <Route path="/login" element={<AuthForm />} />
+        <Route
+          path="/"
+          element={
+            <PrivateRoute>
+              <Dashboard />
+            </PrivateRoute>
+          }
+        />
+        <Route
+          path="/part/:id"
+          element={
+            <PrivateRoute>
+              <PartDetail />
+            </PrivateRoute>
+          }
+        />
+        <Route
+          path="/add"
+          element={
+            <PrivateRoute>
+              <AddPartPage />
+            </PrivateRoute>
+          }
+        />
       </Routes>
     </BrowserRouter>
   );