while (iteration < MAX_ITERATIONS) {
    ChatResponse response = llmClient.chat(history, tools);
    
    if (response.hasToolCalls()) {
        // Action faza
        for (ToolCall call : response.toolCalls()) {
            String result = executeTool(call);
            history.add(Message.tool(call.id(), result));
        }
        // Observation faza: rezultat se dodaje u istoriju
        continue;
    } else {
        // Thought faza: LLM donosi odluku
        return response.content();
    }
}