Fix sharing

App.tsx

@@ -147,7 +147,7 @@ function App() {
       <div className="h-screen text-white relative overflow-hidden">
         <FloatingShapes />
         <div className="relative z-10 h-full">
-          <SharedQuizView onHostQuiz={(sharedQuiz) => loadSavedQuiz(sharedQuiz)} />
+          <SharedQuizView onHostQuiz={(sharedQuiz) => loadSavedQuiz(sharedQuiz)} shareToken={sharedMatch![1]} />
         </div>
       </div>
     );

components/SharedQuizView.tsx

@@ -1,5 +1,5 @@
 import React, { useState, useEffect } from 'react';
-import { useParams, useNavigate } from 'react-router-dom';
+import { useNavigate } from 'react-router-dom';
 import { useAuth } from 'react-oidc-context';
 import { motion } from 'framer-motion';
 import { BrainCircuit, Play, Loader2, BookmarkPlus, ChevronDown, ChevronUp, AlertCircle, LogIn } from 'lucide-react';
@@ -20,10 +20,11 @@ interface SharedQuizData {
 
 interface SharedQuizViewProps {
   onHostQuiz: (quiz: Quiz) => void;
+  shareToken: string;
 }
 
-export const SharedQuizView: React.FC<SharedQuizViewProps> = ({ onHostQuiz }) => {
-  const { token } = useParams<{ token: string }>();
+export const SharedQuizView: React.FC<SharedQuizViewProps> = ({ onHostQuiz, shareToken }) => {
+  const token = shareToken;
   const navigate = useNavigate();
   const auth = useAuth();
   const { authFetch } = useAuthenticatedFetch();

hooks/useGame.ts

@@ -124,8 +124,8 @@ export const useGame = () => {
     if (auth.isLoading) return;
     
     const getTargetPath = () => {
-      if (location.pathname === '/callback') {
-        return '/';
+      if (location.pathname === '/callback' || location.pathname.startsWith('/shared/')) {
+        return null;
       }
       
       switch (gameState) {
@@ -162,7 +162,7 @@ export const useGame = () => {
     };
     
     const targetPath = getTargetPath();
-    if (location.pathname !== targetPath) {
+    if (targetPath !== null && location.pathname !== targetPath) {
       const useReplace = ['COUNTDOWN', 'QUESTION', 'REVEAL', 'SCOREBOARD'].includes(gameState);
       navigate(targetPath + location.search, { replace: useReplace });
     }
@@ -519,7 +519,7 @@ export const useGame = () => {
     const initializeFromUrl = async () => {
       const path = location.pathname;
       
-      if (path === '/callback') {
+      if (path === '/callback' || path.startsWith('/shared/')) {
         return;
       }
       

index.tsx

@@ -31,6 +31,8 @@ if (!rootElement) {
   throw new Error("Could not find root element to mount to");
 }
 
+const shouldSkipSigninCallback = !window.location.pathname.startsWith('/callback');
+
 const onSigninCallback = () => {
   window.history.replaceState({}, document.title, '/');
 };
@@ -41,6 +43,7 @@ root.render(
     <BrowserRouter>
       <AuthProvider 
         {...oidcConfig}
+        skipSigninCallback={shouldSkipSigninCallback}
         onSigninCallback={onSigninCallback}
         onRemoveUser={() => {
           localStorage.removeItem('kaboot_session');

tests/components/SharedQuizView.test.tsx

@@ -3,7 +3,7 @@ import { render, screen, waitFor } from '@testing-library/react';
 import userEvent from '@testing-library/user-event';
 import { describe, it, expect, vi, beforeEach, afterEach } from 'vitest';
 import { SharedQuizView } from '../../components/SharedQuizView';
-import { MemoryRouter, Routes, Route } from 'react-router-dom';
+import { MemoryRouter } from 'react-router-dom';
 
 const mockNavigate = vi.fn();
 vi.mock('react-router-dom', async () => {
@@ -71,9 +71,7 @@ const renderWithRouter = (token: string = 'valid-token') => {
   
   render(
     <MemoryRouter initialEntries={[`/shared/${token}`]}>
-      <Routes>
-        <Route path="/shared/:token" element={<SharedQuizView onHostQuiz={onHostQuiz} />} />
-      </Routes>
+      <SharedQuizView onHostQuiz={onHostQuiz} shareToken={token} />
     </MemoryRouter>
   );
   

tests/hooks/useGame.navigation.test.tsx

@@ -8,7 +8,11 @@ describe('URL Routing and Navigation', () => {
       role: 'HOST' | 'CLIENT',
       currentPath: string,
       sourceQuizId: string | null = null
-    ): string => {
+    ): string | null => {
+      if (currentPath === '/callback' || currentPath.startsWith('/shared/')) {
+        return null;
+      }
+      
       switch (gameState) {
         case 'LANDING':
           if (gamePin && currentPath.startsWith('/play/')) {
@@ -42,6 +46,26 @@ describe('URL Routing and Navigation', () => {
       }
     };
 
+    describe('Shared quiz routes', () => {
+      it('should return null for /shared/:token routes to skip navigation', () => {
+        expect(getTargetPath('LANDING', null, 'HOST', '/shared/abc123')).toBeNull();
+      });
+
+      it('should return null for /shared/:token with complex token', () => {
+        expect(getTargetPath('LANDING', null, 'HOST', '/shared/6yC50NixzVuA-E_Z0JhEUA')).toBeNull();
+      });
+
+      it('should return null for /shared/:token regardless of gameState', () => {
+        expect(getTargetPath('LOBBY', '123456', 'HOST', '/shared/test-token')).toBeNull();
+        expect(getTargetPath('EDITING', null, 'HOST', '/shared/test-token')).toBeNull();
+        expect(getTargetPath('PODIUM', '123456', 'HOST', '/shared/test-token')).toBeNull();
+      });
+
+      it('should return null for /callback route', () => {
+        expect(getTargetPath('LANDING', null, 'HOST', '/callback')).toBeNull();
+      });
+    });
+
     describe('LANDING state', () => {
       it('should return "/" for LANDING state without gamePin', () => {
         expect(getTargetPath('LANDING', null, 'HOST', '/')).toBe('/');
@@ -139,6 +163,10 @@ describe('URL Routing and Navigation', () => {
       path: string,
       storedSession: StoredSession | null
     ): { action: string; gamePin?: string; quizId?: string; shouldReconnect?: boolean } => {
+      if (path === '/callback' || path.startsWith('/shared/')) {
+        return { action: 'skipInit' };
+      }
+      
       const hostMatch = path.match(/^\/host\/(\d+)$/);
       const playMatch = path.match(/^\/play\/(\d+)$/);
 
@@ -182,6 +210,29 @@ describe('URL Routing and Navigation', () => {
       return { action: 'showLanding' };
     };
 
+    describe('/shared/:token URL', () => {
+      it('should skip initialization for shared quiz routes', () => {
+        const result = simulateUrlInit('/shared/abc123', null);
+        expect(result.action).toBe('skipInit');
+      });
+
+      it('should skip initialization for shared routes with complex tokens', () => {
+        const result = simulateUrlInit('/shared/6yC50NixzVuA-E_Z0JhEUA', null);
+        expect(result.action).toBe('skipInit');
+      });
+
+      it('should skip initialization for shared routes even with existing session', () => {
+        const session: StoredSession = { pin: '123456', role: 'HOST', hostSecret: 'secret' };
+        const result = simulateUrlInit('/shared/test-token', session);
+        expect(result.action).toBe('skipInit');
+      });
+
+      it('should skip initialization for /callback route', () => {
+        const result = simulateUrlInit('/callback', null);
+        expect(result.action).toBe('skipInit');
+      });
+    });
+
     describe('/host/:pin URL', () => {
       it('should reconnect as host when session matches', () => {
         const session: StoredSession = { pin: '123456', role: 'HOST', hostSecret: 'secret' };
@@ -551,6 +602,28 @@ describe('URL Routing and Navigation', () => {
         expect(navigatedTo).toBe('/');
       });
 
+      it('should NOT redirect /shared/:token to "/" (regression test)', () => {
+        const currentPath = '/shared/6yC50NixzVuA-E_Z0JhEUA';
+        const gameState = 'LANDING';
+        const gamePin: string | null = null;
+        
+        const getTargetPath = () => {
+          if (currentPath.startsWith('/shared/')) {
+            return null;
+          }
+          if (gameState === 'LANDING' && !gamePin) {
+            return '/';
+          }
+          return currentPath;
+        };
+        
+        const targetPath = getTargetPath();
+        const shouldNavigate = targetPath !== null && currentPath !== targetPath;
+        
+        expect(targetPath).toBeNull();
+        expect(shouldNavigate).toBe(false);
+      });
+
       it('should NOT get stuck on /play/:pin after goHomeFromDisconnected (regression test)', () => {
         let gameState = 'DISCONNECTED';
         let gamePin: string | null = '123456';