{"success":true,"message":"ReadyE9 API running","note":"Backend server is active. Use the React frontend for pages, and /api/* for API requests.","endpoints":{"health":"/api/health","login":"POST /api/auth/login","register":"POST /api/auth/register","papers":"GET /api/papers","admin":"GET /api/admin/stats","paperAdmin":"POST/PUT/DELETE /api/papers","questions":"POST/PUT/DELETE /api/papers/:paperId/questions","reports":"GET /api/admin/reports/attempts|papers|coins|certificates","wallet":"GET /api/student/wallet","payments":"GET/POST /api/admin/coin-packages, GET /api/admin/payment-requests","chat":"GET/POST /api/chat/conversations","onepay":"POST /api/student/onepay/checkout, POST /api/payments/onepay/callback"}}