{"message":"CRM System API is running!","version":"1.0.0","endpoints":{"health":"/api/health","auth":"/api/auth","customers":"/api/customers","leads":"/api/leads","tickets":"/api/tickets","dialogs":"/api/dialogs","analytics":"/api/analytics","notifications":"/api/notifications","todos":"/api/todos","budgets":"/api/budgets"},"database":"SQLite (file-based)"}