Implement Auth0 migration

src/App.tsx

@@ -8,6 +8,7 @@ import { ReactQueryDevtools } from "@tanstack/react-query-devtools";
 import { CacheMonitor } from "@/components/dev/CacheMonitor";
 import { BrowserRouter, Routes, Route } from "react-router-dom";
 import { AuthProvider } from "@/hooks/useAuth";
+import { Auth0Provider } from "@/contexts/Auth0Provider";
 import { AuthModalProvider } from "@/contexts/AuthModalContext";
 import { LocationAutoDetectProvider } from "@/components/providers/LocationAutoDetectProvider";
 import { Analytics } from "@vercel/analytics/react";
@@ -62,6 +63,7 @@ const AdminEmailSettings = lazy(() => import("./pages/admin/AdminEmailSettings")
 const Profile = lazy(() => import("./pages/Profile"));
 const UserSettings = lazy(() => import("./pages/UserSettings"));
 const AuthCallback = lazy(() => import("./pages/AuthCallback"));
+const Auth0Callback = lazy(() => import("./pages/Auth0Callback"));
 
 // Utility routes (lazy-loaded)
 const NotFound = lazy(() => import("./pages/NotFound"));
@@ -159,6 +161,7 @@ function AppContent(): React.JSX.Element {
                 
                 {/* User routes - lazy loaded */}
                 <Route path="/auth/callback" element={<AuthCallback />} />
+                <Route path="/auth/auth0-callback" element={<Auth0Callback />} />
                 <Route path="/profile" element={<Profile />} />
                 <Route path="/profile/:username" element={<Profile />} />
                 <Route path="/settings" element={<UserSettings />} />
@@ -190,11 +193,13 @@ function AppContent(): React.JSX.Element {
 
 const App = (): React.JSX.Element => (
   <QueryClientProvider client={queryClient}>
-    <AuthProvider>
-      <AuthModalProvider>
-        <AppContent />
-      </AuthModalProvider>
-    </AuthProvider>
+    <Auth0Provider>
+      <AuthProvider>
+        <AuthModalProvider>
+          <AppContent />
+        </AuthModalProvider>
+      </AuthProvider>
+    </Auth0Provider>
     {import.meta.env.DEV && (
       <>
         <ReactQueryDevtools initialIsOpen={false} position="bottom" />