Class AgentLoop

src/main/java/org/miniclaudecode/core/AgentLoop.java:25–205

聚合版 Agent 循环。 s01 展示 LLM -> 工具 -> LLM 的闭环，s02 开始把工具查找交给 ToolRegistry； s03 在工具执行前加入 PermissionManager，s04 开始在固定位置触发 hook； s06 新增 maxTurns，让父 Agent 和子 Agent 可以使用不同的循环上限。

 * s06 新增 maxTurns，让父 Agent 和子 Agent 可以使用不同的循环上限。
 */
public class AgentLoop {

	private static final int DEFAULT_MAX_TURNS = 20;

	private final LlmClient llmClient;

	private final ToolRegistry toolRegistry;

	private final AgentLoopListener listener;

	private final PermissionManager permissionManager;

	private final HookManager hookManager;

	private final int maxTurns;

	public AgentLoop(LlmClient llmClient, List<Tool> tools) {
		this(llmClient, tools, new AgentLoopListener() {
		}, null);
	}

	public AgentLoop(LlmClient llmClient, List<Tool> tools, AgentLoopListener listener) {
		this(llmClient, tools, listener, null);
	}

	public AgentLoop(LlmClient llmClient, List<Tool> tools, AgentLoopListener listener,
			PermissionManager permissionManager) {
		this(llmClient, toRegistry(tools), listener, permissionManager, null, DEFAULT_MAX_TURNS);
	}

	public AgentLoop(LlmClient llmClient, ToolRegistry toolRegistry) {
		this(llmClient, toolRegistry, new AgentLoopListener() {
		}, (PermissionManager) null);
	}

	public AgentLoop(LlmClient llmClient, ToolRegistry toolRegistry, AgentLoopListener listener) {
		this(llmClient, toolRegistry, listener, (PermissionManager) null);
	}

	public AgentLoop(LlmClient llmClient, ToolRegistry toolRegistry, AgentLoopListener listener,
			PermissionManager permissionManager) {
		this(llmClient, toolRegistry, listener, permissionManager, null, DEFAULT_MAX_TURNS);
	}

	public AgentLoop(LlmClient llmClient, ToolRegistry toolRegistry, AgentLoopListener listener,
			HookManager hookManager) {
		this(llmClient, toolRegistry, listener, null, hookManager, DEFAULT_MAX_TURNS);
	}

	public AgentLoop(LlmClient llmClient, ToolRegistry toolRegistry, AgentLoopListener listener,
			int maxTurns) {
		// 子 Agent 可以使用不同的轮数上限，但默认仍保持 20。
		this(llmClient, toolRegistry, listener, null, null, maxTurns);
	}

	private AgentLoop(LlmClient llmClient, ToolRegistry toolRegistry, AgentLoopListener listener,
			PermissionManager permissionManager, HookManager hookManager, int maxTurns) {
		this.llmClient = llmClient;