{"message":"Kravon Backend API","status":"running","endpoints":["POST /api/auth/login","GET /api/auth/me","GET /api/clients","POST /api/clients","PUT /api/clients/:id","DELETE /api/clients/:id","GET /api/clients/:id/messages","POST /api/clients/:id/messages","PUT /api/clients/:id/messages/read","GET /api/invoices","GET /api/invoices/:id","POST /api/invoices","PUT /api/invoices/:id","DELETE /api/invoices/:id","POST /api/contact","POST /api/create-user","GET /api/health"]}