feat: implement lazy loading for LoginPage and add Suspense to IntranetLayout

nest-intra/src/App.tsx

@@ -20,35 +20,40 @@ const IntranetModeration   = lazy(() => import('./pages/intranet/IntranetModerat
 export default function App() {
   return (
     <AuthProvider>
-      <Suspense fallback={<PageLoader />}>
-        <Routes>
-          {/* Login */}
-          <Route path="/login" element={<LoginPage />} />
+      <Routes>
+        {/* Login — own Suspense so the full-page loader only shows here */}
+        <Route
+          path="/login"
+          element={
+            <Suspense fallback={<PageLoader />}>
+              <LoginPage />
+            </Suspense>
+          }
+        />
 
-          {/* Intranet (staff only) */}
-          <Route
-            path="/intranet"
-            element={
-              <ProtectedRoute staffOnly redirectTo="/login">
-                <IntranetLayout />
-              </ProtectedRoute>
-            }
-          >
-            <Route index element={<IntranetDashboard />} />
-            <Route path="bugs" element={<IntranetBugs />} />
-            <Route path="feed" element={<IntranetFeed />} />
-            <Route path="events" element={<IntranetEvents />} />
-            <Route path="users" element={<IntranetUsers />} />
-            <Route path="moderation" element={<IntranetModeration />} />
-          </Route>
+        {/* Intranet (staff only) — Suspense is inside IntranetLayout */}
+        <Route
+          path="/intranet"
+          element={
+            <ProtectedRoute staffOnly redirectTo="/login">
+              <IntranetLayout />
+            </ProtectedRoute>
+          }
+        >
+          <Route index element={<IntranetDashboard />} />
+          <Route path="bugs" element={<IntranetBugs />} />
+          <Route path="feed" element={<IntranetFeed />} />
+          <Route path="events" element={<IntranetEvents />} />
+          <Route path="users" element={<IntranetUsers />} />
+          <Route path="moderation" element={<IntranetModeration />} />
+        </Route>
 
-          {/* Redirect root to intranet */}
-          <Route path="/" element={<Navigate to="/intranet" replace />} />
+        {/* Redirect root to intranet */}
+        <Route path="/" element={<Navigate to="/intranet" replace />} />
 
-          {/* Catch-all: redirect to intranet */}
-          <Route path="*" element={<Navigate to="/intranet" replace />} />
-        </Routes>
-      </Suspense>
+        {/* Catch-all: redirect to intranet */}
+        <Route path="*" element={<Navigate to="/intranet" replace />} />
+      </Routes>
     </AuthProvider>
   );
 }