feat(auth): protect Collab, Community Q&A, and Leetcode routes behind Google Sign-In

src/App.tsx

@@ -2,6 +2,7 @@ import { useEffect } from 'react';
 import { BrowserRouter, Routes, Route, useLocation } from 'react-router-dom';
 import { QueryClient, QueryClientProvider } from '@tanstack/react-query';
 import { AuthProvider } from '@/context/AuthContext';
+import ProtectedRoute from '@/components/Auth/ProtectedRoute';
 import MainLayout from '@/layouts/MainLayout';
 import Home from '@/pages/Home/Home';
 import Notes from '@/pages/Notes/Notes';
@@ -48,9 +49,42 @@ function App() {
               <Route path="/bus-routes" element={<BusRoutes />} />
               <Route path="/faculty" element={<Faculty />} />
               <Route path="/events" element={<Events />} />
-              <Route path="/community" element={<Community />} />
-              <Route path="/collab" element={<DevCollab />} />
-              <Route path="/leetcode" element={<LeetcodeLeaderboard />} />
+
+              {/* Protected Routes — Require Google Sign-In */}
+              <Route
+                path="/community"
+                element={
+                  <ProtectedRoute
+                    title="RIT Q&A Community"
+                    description="Connect with fellow RIT students and ask senior helpers any question about campus life and academics."
+                  >
+                    <Community />
+                  </ProtectedRoute>
+                }
+              />
+              <Route
+                path="/collab"
+                element={
+                  <ProtectedRoute
+                    title="Developer Collab Hub"
+                    description="Post open-source projects, search for co-developers, and connect with fellow programmers."
+                    requireVerifiedStudent={true}
+                  >
+                    <DevCollab />
+                  </ProtectedRoute>
+                }
+              />
+              <Route
+                path="/leetcode"
+                element={
+                  <ProtectedRoute
+                    title="RIT LeetCode Leaderboard"
+                    description="Track campus competitive programming rankings and see top RIT coders."
+                  >
+                    <LeetcodeLeaderboard />
+                  </ProtectedRoute>
+                }
+              />
             </Route>
           </Routes>
         </AuthProvider>