@SpringBootApplication
public class Application {

    @Bean
    CommandLineRunner demo(ChatClient.Builder chatClientBuilder,
        @Value("${BRAVE_API_KEY}") String braveApiKey,
        @Value("${agent.skills.paths}") List<Resource> skillPaths,
        @Value("classpath:/prompt/MAIN_AGENT_SYSTEM_PROMPT_V2.md") Resource agentSystemPrompt) {

        return args -> {
            // Configure Task tool with Claude sub-agents
            var taskTool = TaskTool.builder()
                .subagentTypes(ClaudeSubagentType.builder()
                    .chatClientBuilder("default", chatClientBuilder.clone())
                    .skillsResources(skillPaths)
                    .braveApiKey(braveApiKey)
                    .build())
                .build();

            ChatClient chatClient = chatClientBuilder
                // Main agent prompt
                .defaultSystem(p -> p.text(agentSystemPrompt) // system prompt
                    .param(AgentEnvironment.ENVIRONMENT_INFO_KEY, AgentEnvironment.info())
                    .param(AgentEnvironment.GIT_STATUS_KEY, AgentEnvironment.gitStatus())
                    .param(AgentEnvironment.AGENT_MODEL_KEY, "claude-sonnet-4-5-20250929")
                    .param(AgentEnvironment.AGENT_MODEL_KNOWLEDGE_CUTOFF_KEY, "2025-01-01"))

                // Sub-Agents
                .defaultToolCallbacks(taskTool)

                // Skills
                .defaultToolCallbacks(SkillsTool.builder()
                    .addSkillsResources(skillPaths)
                    .build())

                // Core Tools
                .defaultTools(
                    ShellTools.builder().build(),
                    FileSystemTools.builder().build(),
                    GrepTool.builder().build(),
                    GlobTool.builder().build(),
                    SmartWebFetchTool.builder(chatClientBuilder.clone().build()).build(),
                    BraveWebSearchTool.builder(braveApiKey).build())

                // Task orchestration
                .defaultTools(TodoWriteTool.builder().build())

                // User feedback tool (use CommandLineQuestionHandler for CLI apps)
                .defaultTools(AskUserQuestionTool.builder()
                    .questionHandler(new CommandLineQuestionHandler())
                    .build())

                // Advisors
                .defaultAdvisors(
                    ToolCallAdvisor.builder().conversationHistoryEnabled(false).build(), // Tool Calling
                    MessageChatMemoryAdvisor.builder(MessageWindowChatMemory.builder().maxMessages(500).build()).build()) // Memory

                .build();

            String response = chatClient
                .prompt("Search for Spring AI documentation and summarize it")
                .call()
                .content();
        };
    }
}