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193 lines
6.9 KiB
193 lines
6.9 KiB
# s11: Autonomous Agents (自治智能体)
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`s01 > s02 > s03 > s04 > s05 > s06 | s07 > s08 > s09 > s10 > [ s11 ] s12`
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> *"队友自己看看板, 有活就认领"* -- 不需要领导逐个分配, 自组织。
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>
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> **Harness 层**: 自治 -- 模型自己找活干, 无需指派。
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## 问题
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s09-s10 中, 队友只在被明确指派时才动。领导得给每个队友写 prompt, 任务看板上 10 个未认领的任务得手动分配。这扩展不了。
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真正的自治: 队友自己扫描任务看板, 认领没人做的任务, 做完再找下一个。
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一个细节: 上下文压缩 (s06) 后智能体可能忘了自己是谁。身份重注入解决这个问题。
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## 解决方案
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```
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Teammate lifecycle with idle cycle:
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+-------+
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| spawn |
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+---+---+
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v
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+-------+ tool_use +-------+
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| WORK | <------------- | LLM |
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+---+---+ +-------+
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| stop_reason != tool_use (or idle tool called)
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v
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+--------+
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| IDLE | poll every 5s for up to 60s
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+---+----+
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+---> check inbox --> message? ----------> WORK
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+---> scan .tasks/ --> unclaimed? -------> claim -> WORK
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+---> 60s timeout ----------------------> SHUTDOWN
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Identity via system prompt (always present):
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ChatClient.builder(chatModel)
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.defaultSystem(identityPrompt) // 每次调用自动携带
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```
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## 工作原理
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1. 队友循环分两个阶段: WORK 和 IDLE。LLM 停止调用工具 (或调用了 `idle`) 时, 进入 IDLE。
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```java
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// src/main/java/io/mybatis/learn/s11/S11AutonomousAgents.java
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// AutonomousTeammateManager.autonomousLoop()
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private void autonomousLoop(String name, String role, String initialPrompt) {
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// idle标志：工具调用时设置，外部循环检测
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AtomicBoolean idleRequested = new AtomicBoolean(false);
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var idleTool = new IdleTool(idleRequested);
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ChatClient client = ChatClient.builder(chatModel)
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.defaultSystem(sysPrompt)
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.defaultTools(new BashTool(), new ReadFileTool(),
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new WriteFileTool(), new EditFileTool(),
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messageTool, protocolTool, idleTool, claimTool)
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.build();
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while (true) {
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// -- WORK PHASE --
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String nextMsg = initialPrompt;
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for (int round = 0; round < 50 && nextMsg != null; round++) {
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var inbox = bus.readInbox(name);
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// ... 合并收件箱消息到 nextMsg ...
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idleRequested.set(false);
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String response = client.prompt(sb.toString()).call().content();
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if (idleRequested.get()) break; // idle工具被调用
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nextMsg = null; // 后续轮次靠inbox驱动
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}
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// -- IDLE PHASE --
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setStatus(name, "idle");
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// ... 轮询收件箱 + 任务板（见下文） ...
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if (!resume) { setStatus(name, "shutdown"); return; }
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setStatus(name, "working");
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}
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}
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```
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2. 空闲阶段循环轮询收件箱和任务看板。
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```java
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// IDLE PHASE: 轮询收件箱 + 任务板
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setStatus(name, "idle");
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boolean resume = false;
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int polls = IDLE_TIMEOUT / Math.max(POLL_INTERVAL, 1); // 60/5 = 12
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for (int p = 0; p < polls; p++) {
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Thread.sleep(POLL_INTERVAL * 1000L);
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// 检查收件箱
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var inbox = bus.readInbox(name);
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if (!inbox.isEmpty()) {
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initialPrompt = "<inbox>" + mapper.writeValueAsString(inbox) + "</inbox>";
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resume = true;
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break;
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}
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// 扫描任务板
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var unclaimed = scanUnclaimedTasks(tasksDir);
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if (!unclaimed.isEmpty()) {
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var task = unclaimed.get(0);
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int taskId = ((Number) task.get("id")).intValue();
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claimTask(tasksDir, taskId, name);
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initialPrompt = String.format(
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"<auto-claimed>Task #%d: %s\n%s</auto-claimed>",
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taskId, task.get("subject"),
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task.getOrDefault("description", ""));
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resume = true;
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break;
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}
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}
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if (!resume) { setStatus(name, "shutdown"); return; }
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setStatus(name, "working");
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```
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3. 任务看板扫描: 找 pending 状态、无 owner、未被阻塞的任务。
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```java
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static List<Map<String, Object>> scanUnclaimedTasks(Path tasksDir) {
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if (!Files.exists(tasksDir)) return List.of();
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List<Map<String, Object>> unclaimed = new ArrayList<>();
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ObjectMapper mapper = new ObjectMapper();
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try (var files = Files.list(tasksDir)) {
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files.filter(f -> f.getFileName().toString().startsWith("task_")
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&& f.getFileName().toString().endsWith(".json"))
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.sorted()
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.forEach(f -> {
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Map<String, Object> task = mapper.readValue(f.toFile(), Map.class);
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if ("pending".equals(task.get("status"))
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&& (task.get("owner") == null || "".equals(task.get("owner")))
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&& (task.get("blockedBy") == null
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|| ((List<?>) task.get("blockedBy")).isEmpty())) {
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unclaimed.add(task);
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}
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});
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}
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return unclaimed;
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}
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```
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4. 身份保持: Java/Spring AI 的 `ChatClient.defaultSystem()` 在每次调用时自动携带系统提示, 身份信息始终存在, 无需像 Python 版本那样在压缩后手动重注入。
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```java
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// 身份信息通过 defaultSystem 在构建时注入, 每次 prompt 自动携带
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String sysPrompt = String.format(
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"You are '%s', role: %s, team: %s, at %s. "
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+ "Use idle tool when you have no more work. You will auto-claim new tasks.",
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name, role, teamName, workDir);
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ChatClient client = ChatClient.builder(chatModel)
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.defaultSystem(sysPrompt) // 身份始终存在于系统提示中
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.defaultTools(new BashTool(), new ReadFileTool(),
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new WriteFileTool(), new EditFileTool(),
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messageTool, protocolTool, idleTool, claimTool)
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.build();
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```
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## 相对 s10 的变更
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| 组件 | 之前 (s10) | 之后 (s11) |
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|----------------|------------------|----------------------------------|
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| Tools | 12 | 14 (+idle, +claim_task) |
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| 自治性 | 领导指派 | 自组织 |
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| 空闲阶段 | 无 | 轮询收件箱 + 任务看板 |
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| 任务认领 | 仅手动 | 自动认领未分配任务 |
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| 身份 | 系统提示 | + 压缩后重注入 |
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| 超时 | 无 | 60 秒空闲 -> 自动关机 |
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## 试一试
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```sh
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cd learn-claude-code
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mvn exec:java -Dexec.mainClass=io.mybatis.learn.s11.S11AutonomousAgents
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```
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试试这些 prompt (英文 prompt 对 LLM 效果更好, 也可以用中文):
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1. `Create 3 tasks on the board, then spawn alice and bob. Watch them auto-claim.`
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2. `Spawn a coder teammate and let it find work from the task board itself`
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3. `Create tasks with dependencies. Watch teammates respect the blocked order.`
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4. 输入 `/tasks` 查看带 owner 的任务看板
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5. 输入 `/team` 监控谁在工作、谁在空闲
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