{"status":"online","service":"Markov.Engine Backend (MongoDB)","endpoints":{"health":"/api/health","auth_register":"POST /api/auth/register","auth_login":"POST /api/auth/login","auth_google":"POST /api/auth/google","auth_me":"GET /api/auth/me","projects":"GET /api/projects","create_project":"POST /api/projects","sync":"POST /api/sync","run":"POST /api/run"}}