{"message":"Backend API is running","version":"1.0.0","endpoints":{"POST \/api\/v1\/auth\/login":"Login","POST \/api\/v1\/auth\/register":"Register","GET \/api\/v1\/auth\/user-profile":"Get user profile (auth required)","POST \/api\/v1\/auth\/logout":"Logout (auth required)","GET \/api\/v1\/tenants":"List tenants","POST \/api\/v1\/tenants":"Create tenant"}}