sdd-process.html 43 KB
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    <header class="page-head">
      <div class="crumb"><span class="pill">03 · SDD</span><span class="sep">/</span><span>P · Process</span></div>
      <h1>Process · 长进程与状态机</h1>
      <p class="deck">所有「不是即时响应」的代码:三个 Loop 的状态机详尽转换表、Agent 生命周期、SSE 心跳与 replay、retryWithReflection、清理与归档。</p>
    </header>
    <article class="body">

      <section data-def-name="Process.L1" data-mvcp="process">
        <h2>P-1 · L1 Unit Loop 状态机</h2>
        <code class="path mono" style="color:var(--ink-soft)">loop-controller.js → runUnit()</code>

        <h3>转换表(完整)</h3>
        <table class="dense">
          <thead><tr><th>from</th><th>to</th><th>触发</th><th>副作用</th></tr></thead>
          <tbody>
            <tr><td>pending</td><td>coding</td><td>LoopController 调度到 wave</td><td>markCoding + SSE unit.state</td></tr>
            <tr><td>coding</td><td>testing</td><td>Coder 返回 success</td><td>markTesting + SSE</td></tr>
            <tr><td>coding</td><td>failed</td><td>Coder 抛错(沙箱越权 / 超时)</td><td>fail · reason=coder_error</td></tr>
            <tr><td>testing</td><td>passed</td><td>Tester result.ok = true</td><td>pass + 写 contract_hash + SSE</td></tr>
            <tr><td>testing</td><td>failed</td><td>Tester result.ok = false</td><td>fail · 写 result.json</td></tr>
            <tr><td>failed</td><td>coding</td><td>retries &lt; retry_budget</td><td>retries++ · 调 Coder 带 history</td></tr>
            <tr><td>failed</td><td>blocked</td><td>retries ≥ retry_budget</td><td>block + SSE human_intervention_needed</td></tr>
            <tr><td>passed</td><td>pending</td><td>L2 触发 reset</td><td>retries 重置 · 旧代码归档</td></tr>
            <tr><td>blocked</td><td>pending</td><td>人类显式 resume</td><td>retries 重置</td></tr>
          </tbody>
        </table>

        <h3>伪代码</h3>
<pre class="code shape"><span class="k">async function</span> <span class="n">runUnit</span>(pid, unitId) <span class="p">{</span>
  <span class="k">const</span> unit = unitRegistry.<span class="n">list</span>(pid).<span class="n">find</span>(u =&gt; u.<span class="n">id</span> === unitId);
  <span class="k">let</span> failures = <span class="p">[]</span>;

  <span class="k">for</span> (<span class="k">let</span> i = unit.<span class="n">retries</span>; i &lt; unit.<span class="n">retry_budget</span>; i++) <span class="p">{</span>
    unitRegistry.<span class="n">markCoding</span>(pid, unitId);
    <span class="k">const</span> coderRes = <span class="k">await</span> agentManager.<span class="n">callAgent</span>(<span class="s">'coder'</span>, <span class="p">{</span>
      pid, unit_id: unitId, history: failures
    <span class="p">}</span>);
    <span class="k">if</span> (!coderRes.<span class="n">ok</span>) <span class="p">{</span> unitRegistry.<span class="n">fail</span>(pid, unitId, <span class="s">'coder_error'</span>); <span class="k">continue</span>; <span class="p">}</span>

    unitRegistry.<span class="n">markTesting</span>(pid, unitId);
    <span class="k">const</span> testerRes = <span class="k">await</span> agentManager.<span class="n">callAgent</span>(<span class="s">'tester'</span>, <span class="p">{</span> pid, unit_id: unitId <span class="p">}</span>);
    <span class="k">if</span> (testerRes.<span class="n">ok</span>) <span class="p">{</span>
      <span class="k">const</span> hash = docStore.<span class="n">hashContract</span>(<span class="k">await</span> readContract(pid, unitId));
      unitRegistry.<span class="n">pass</span>(pid, unitId, hash);
      <span class="k">return</span> <span class="p">{</span> ok: <span class="v">true</span>, retries: i <span class="p">}</span>;
    <span class="p">}</span>
    failures.<span class="n">push</span>(testerRes.<span class="n">failures</span>);
    unitRegistry.<span class="n">fail</span>(pid, unitId, <span class="s">'test_red'</span>);
  <span class="p">}</span>

  unitRegistry.<span class="n">block</span>(pid, unitId, <span class="s">'budget_exceeded'</span>);
  <span class="k">return</span> <span class="p">{</span> ok: <span class="v">false</span> <span class="p">}</span>;
<span class="p">}</span></pre>
        <ul class="contract">
          <li>同一 Unit 任何时刻只允许一个 runUnit 实例(用 Map&lt;unitId, Promise&gt; 去重)</li>
          <li>retry 之间不复用 Agent session(每次新 ACP session,保证干净)</li>
        </ul>
      </section>

      <section data-def-name="Process.L2" data-mvcp="process">
        <h2>P-2 · L2 Integration Loop 状态机</h2>
        <code class="path mono" style="color:var(--ink-soft)">loop-controller.js → onL2Failure() · runProject() L2 段</code>

        <h3>L2 闸门判定</h3>
<pre class="code shape"><span class="k">function</span> <span class="n">l2GateOpen</span>(pid) <span class="p">{</span>
  <span class="k">const</span> units = unitRegistry.<span class="n">list</span>(pid);
  <span class="k">const</span> sdd   = docStore.<span class="n">readSDD</span>(pid);
  <span class="k">return</span> units.<span class="n">every</span>(u =&gt; <span class="p">{</span>
    <span class="k">if</span> (u.<span class="n">status</span> !== <span class="s">'passed'</span>) <span class="k">return</span> <span class="v">false</span>;
    <span class="k">const</span> expectedHash = contractHashFromSDD(sdd, u.<span class="n">id</span>);
    <span class="k">return</span> u.<span class="n">contract_hash</span> === expectedHash;
  <span class="p">}</span>);
<span class="p">}</span></pre>

        <h3>L2 主循环</h3>
<pre class="code shape"><span class="k">async function</span> <span class="n">runL2</span>(pid) <span class="p">{</span>
  <span class="k">const</span> intRes = <span class="k">await</span> agentManager.<span class="n">callAgent</span>(<span class="s">'integrator'</span>, <span class="p">{</span> pid <span class="p">}</span>);
  <span class="k">if</span> (intRes.<span class="n">ok</span>) <span class="p">{</span>
    sseBroker.<span class="n">emit</span>(pid, <span class="s">'project.shipped'</span>, <span class="p">{</span>}); <span class="k">return</span> <span class="s">'shipped'</span>;
  <span class="p">}</span>

  <span class="k">const</span> tri = <span class="k">await</span> agentManager.<span class="n">callAgent</span>(<span class="s">'bug-triager'</span>, <span class="p">{</span>
    pid, run_id: intRes.<span class="n">run_id</span>
  <span class="p">}</span>);

  <span class="k">if</span> (tri.<span class="n">confidence</span> &lt; <span class="v">0.5</span> || tri.<span class="n">category</span> === <span class="s">'spec_ambiguous'</span>) <span class="p">{</span>
    sseBroker.<span class="n">emit</span>(pid, <span class="s">'human_intervention_needed'</span>, tri);
    <span class="k">return</span> <span class="s">'l2_blocked'</span>;
  <span class="p">}</span>

  <span class="k">if</span> (tri.<span class="n">category</span> === <span class="s">'infra_flake'</span>) <span class="p">{</span>
    <span class="k">return</span> <span class="n">runL2</span>(pid);                           <span class="c">// 直接重跑,不动 Unit</span>
  <span class="p">}</span>

  <span class="k">if</span> (tri.<span class="n">category</span> === <span class="s">'impl_bug'</span>) <span class="p">{</span>
    <span class="c">// 不改 SDD,只 reset 受影响 Unit</span>
    unitRegistry.<span class="n">reset</span>(pid, tri.<span class="n">affected_units</span>);
    <span class="k">return</span> <span class="s">'retry_l1'</span>;
  <span class="p">}</span>

  <span class="c">// contract_mismatch → patch SDD + reset</span>
  <span class="k">await</span> agentManager.<span class="n">callAgent</span>(<span class="s">'architect'</span>, <span class="p">{</span>
    pid, mode: <span class="s">'patch'</span>, patch: tri.<span class="n">proposed_sdd_patch</span>
  <span class="p">}</span>);
  unitRegistry.<span class="n">reset</span>(pid, tri.<span class="n">affected_units</span>);

  <span class="k">const</span> project = <span class="n">getProjectMeta</span>(pid);
  <span class="k">if</span> (++project.<span class="n">l2_rounds</span> &gt;= project.<span class="n">l2_budget</span>) <span class="p">{</span>
    sseBroker.<span class="n">emit</span>(pid, <span class="s">'project.exhausted'</span>, <span class="p">{</span> last_triage: tri <span class="p">}</span>);
    <span class="k">return</span> <span class="s">'l2_exhausted'</span>;
  <span class="p">}</span>
  <span class="k">return</span> <span class="s">'retry_l1'</span>;
<span class="p">}</span></pre>

        <h3>四种 triage 类别的分支</h3>
        <table class="dense">
          <thead><tr><th>category</th><th>是否改 SDD</th><th>是否 reset Unit</th><th>是否计入 l2_rounds</th></tr></thead>
          <tbody>
            <tr><td>contract_mismatch</td><td>是</td><td>是</td><td>是</td></tr>
            <tr><td>impl_bug</td><td>否</td><td>是</td><td>否(不烧预算)</td></tr>
            <tr><td>spec_ambiguous</td><td>否(升 L3)</td><td>否</td><td>否</td></tr>
            <tr><td>infra_flake</td><td>否</td><td>否</td><td>否</td></tr>
          </tbody>
        </table>
      </section>

      <section data-def-name="Process.L3" data-mvcp="process">
        <h2>P-3 · L3 Human Feedback 队列</h2>
        <code class="path mono" style="color:var(--ink-soft)">loop-controller.js → onHumanFeedback()</code>

<pre class="code shape"><span class="c">// 每个项目维护一个反馈队列,串行消费</span>
<span class="k">const</span> feedbackQueues = <span class="k">new</span> <span class="n">Map</span>&lt;<span class="n">string</span>, Feedback[]&gt;();

<span class="k">function</span> <span class="n">onHumanFeedback</span>(pid, feedback) <span class="p">{</span>
  <span class="k">if</span> (!feedbackQueues.<span class="n">has</span>(pid)) feedbackQueues.<span class="n">set</span>(pid, <span class="p">[]</span>);
  feedbackQueues.<span class="n">get</span>(pid).<span class="n">push</span>(feedback);

  <span class="c">// 单 worker per pid</span>
  <span class="k">if</span> (!isWorking(pid)) drainFeedback(pid);
<span class="p">}</span>

<span class="k">async function</span> <span class="n">drainFeedback</span>(pid) <span class="p">{</span>
  <span class="k">while</span> (feedbackQueues.<span class="n">get</span>(pid).<span class="n">length</span>) <span class="p">{</span>
    <span class="k">const</span> fb = feedbackQueues.<span class="n">get</span>(pid).<span class="n">shift</span>();

    <span class="c">// 1. 等当前 L1 / L2 跑完(不打断)</span>
    <span class="k">await</span> waitForCurrentLoop(pid);

    <span class="c">// 2. PM 增量补 PRD</span>
    <span class="k">await</span> agentManager.<span class="n">callAgent</span>(<span class="s">'pm'</span>, <span class="p">{</span> pid, feedback: fb <span class="p">}</span>);

    <span class="c">// 3. Architect 重算 SDD + units.json (mode=generate)</span>
    <span class="k">await</span> agentManager.<span class="n">callAgent</span>(<span class="s">'architect'</span>, <span class="p">{</span> pid, mode: <span class="s">'generate'</span> <span class="p">}</span>);

    <span class="c">// 4. UnitRegistry.diffWithSDD → reset changed/removed</span>
    <span class="k">const</span> diff = unitRegistry.<span class="n">diffWithSDD</span>(pid);
    unitRegistry.<span class="n">reset</span>(pid, [...diff.<span class="n">changed</span>, ...diff.<span class="n">removed</span>]);

    <span class="c">// 5. 触发 runProject(增量 L1 + L2)</span>
    runProject(pid);
  <span class="p">}</span>
<span class="p">}</span></pre>
        <ul class="contract">
          <li>同一 pid 永远只有一个 worker 在 drain(保证文档一致性)</li>
          <li>多 pid 之间互不阻塞</li>
          <li>worker 崩了,重启 server 后会自动 resume(从 stream.log 反推队列状态)</li>
        </ul>
      </section>

      <section data-def-name="Process.AgentLifecycle" data-mvcp="process">
        <h2>P-4 · Agent 生命周期</h2>
        <code class="path mono" style="color:var(--ink-soft)">server/src/core/session-pool.js · packages/acp-core/protocol/ClaudeCliProtocol.js · 复用既有</code>
<pre class="code shape"><span class="c">// 复用 LemonBoss SessionPool</span>
<span class="c">// key = (agentName, cid, pid)</span>

<span class="c">// 1. 首次 callAgent</span>
<span class="c">//    ↓ SessionPool 检查无该 key</span>
<span class="c">//    ↓ 通过 ProcessLauncher 起一个 claude CLI 子进程</span>
<span class="c">//    ↓ 走 ClaudeCliProtocol.initialize() + newSession()</span>
<span class="c">//    ↓ 注入 system prompt (system/agents/devloop-*/prompt.md)</span>
<span class="c">//    ↓ sendPrompt(input)</span>
<span class="c">//    ↓ 流式累积 → AgentResult</span>

<span class="c">// 2. 第二次同 key 的 callAgent</span>
<span class="c">//    ↓ SessionPool 命中,复用 session</span>
<span class="c">//    ↓ sendPrompt(input)  ← 上下文延续</span>

<span class="c">// 3. 项目结束(shipped/abandoned)</span>
<span class="c">//    ↓ SessionPool.closeProject(pid)</span>
<span class="c">//    ↓ 杀掉所有该 pid 的 claude 进程</span>

<span class="c">// 4. 项目空闲 30 分钟</span>
<span class="c">//    ↓ 自动 sweep 该 pid 的 session(省内存)</span>
<span class="c">//    ↓ 下次 callAgent 重启冷启 OK</span></pre>
        <ul class="contract">
          <li>每个 Agent 进程绑死自己的 cwd(沙箱)</li>
          <li>Bash 工具受 jsonGuard 中间件保护(防 inline JSON)</li>
          <li>process-guard 看护:5s SIGTERM → 10s SIGKILL</li>
        </ul>
      </section>

      <section data-def-name="Process.SSE" data-mvcp="process">
        <h2>P-5 · SSE Broker 心跳与 Replay</h2>
        <code class="path mono" style="color:var(--ink-soft)">server/services/sse-broker.js</code>
<pre class="code shape"><span class="c">// 每订阅一个 pid,open 一份连接列表</span>
<span class="c">// subscriptions: Map&lt;pid, Set&lt;ServerResponse&gt;&gt;</span>

<span class="k">function</span> <span class="n">subscribe</span>(pid, res, opts) <span class="p">{</span>
  subscriptions.<span class="n">get</span>(pid)?.<span class="n">add</span>(res) || subscriptions.<span class="n">set</span>(pid, <span class="k">new</span> <span class="n">Set</span>([res]));

  <span class="c">// Replay:从 stream.log 重放给当前订阅者</span>
  <span class="k">if</span> (opts?.<span class="n">replayFromOffset</span>) replayTo(res, pid, opts.<span class="n">replayFromOffset</span>);

  <span class="c">// 心跳</span>
  <span class="k">const</span> heartbeat = <span class="n">setInterval</span>(() =&gt; res.<span class="n">write</span>(<span class="s">':keepalive\n\n'</span>), <span class="v">25_000</span>);
  res.<span class="n">on</span>(<span class="s">'close'</span>, () =&gt; <span class="p">{</span> <span class="n">clearInterval</span>(heartbeat); subscriptions.<span class="n">get</span>(pid).<span class="n">delete</span>(res); <span class="p">}</span>);
<span class="p">}</span>

<span class="k">function</span> <span class="n">emit</span>(pid, event, data) <span class="p">{</span>
  <span class="k">const</span> id = ++eventCounter;
  <span class="k">const</span> line = <span class="s">`id: </span><span class="v">${id}</span><span class="s">\nevent: </span><span class="v">${event}</span><span class="s">\ndata: </span><span class="v">${JSON.stringify(data)}</span><span class="s">\n\n`</span>;

  <span class="c">// 1. 落盘 stream.log</span>
  fs.<span class="n">appendFileSync</span>(streamLogPath(pid), line);
  <span class="c">// 2. 广播给所有订阅者</span>
  <span class="k">for</span> (<span class="k">const</span> res <span class="k">of</span> subscriptions.<span class="n">get</span>(pid) || <span class="p">[]</span>) res.<span class="n">write</span>(line);
<span class="p">}</span></pre>
        <ul class="contract">
          <li>stream.log 保留 7 天,期间任何时刻 replay 都能精确</li>
          <li>同事件不重复广播(去重以 event id 为准)</li>
        </ul>
      </section>

      <section data-def-name="Process.Cleanup" data-mvcp="process">
        <h2>P-6 · 清理与归档</h2>
        <code class="path mono" style="color:var(--ink-soft)">分布在 doc-store.js · unit-registry.js · sse-broker.js · scripts/devloop-cleanup-cron.js (NEW)</code>
<pre class="code shape"><span class="c">// 清理钩子标准签名(被各服务调用 + 一个日 cron)</span>
<span class="k">type</span> CleanupHook = (pid: <span class="n">string</span>) =&gt; <span class="n">Promise</span>&lt;<span class="n">void</span>&gt;;
<span class="c">// cron: scripts/devloop-cleanup-cron.js · 每日 04:00 跑</span></pre>
        <table class="dense">
          <thead><tr><th>触发</th><th>动作</th><th>实现位置</th></tr></thead>
          <tbody>
            <tr><td>DocStore.write*</td><td>旧版本 → history/</td><td>doc-store.js</td></tr>
            <tr><td>UnitRegistry.reset</td><td>units/{id}/code 旧版 → history/removed/{id}-{ts}/</td><td>unit-registry.js</td></tr>
            <tr><td>project.shipped 30 天后</td><td>项目目录置 .archived 标记</td><td>日 cron 脚本</td></tr>
            <tr><td>project.json.compressOldRuns=true</td><td>runs/ 14 天前的 stdout.txt → .gz</td><td>同上</td></tr>
            <tr><td>SSE close</td><td>清 subscriptions 项</td><td>sse-broker.js</td></tr>
            <tr><td>Server SIGTERM</td><td>kill 所有 ACP 子进程</td><td>process-guard 既有</td></tr>
          </tbody>
        </table>
      </section>

      <section data-def-name="Process.Budget" data-mvcp="process">
        <h2>P-7 · 预算守护</h2>
        <code class="path mono" style="color:var(--ink-soft)">server/middleware/token-accountant.js (NEW) · 阈值嵌入 loop-controller.js</code>
<pre class="code shape"><span class="c">// 预算配置 schema(落在 project.json)</span>
<span class="k">type</span> ProjectBudgets = <span class="p">{</span>
  retry_budget:      <span class="n">number</span>;   <span class="c">// 默认 5 · 每 Unit</span>
  l2_budget:         <span class="n">number</span>;   <span class="c">// 默认 3 · 每 PRD rev</span>
  token_budget:      <span class="n">number</span>;   <span class="c">// 默认 5_000_000 · 项目</span>
  agent_wallclock_ms:<span class="n">number</span>;   <span class="c">// 默认 600_000 · 单 Agent 调用</span>
  integrator_wallclock_ms: <span class="n">number</span>; <span class="c">// 默认 300_000 · 单 L2 run</span>
<span class="p">}</span>;</pre>
        <table class="dense">
          <thead><tr><th>预算</th><th>阈值</th><th>超出后</th></tr></thead>
          <tbody>
            <tr><td>retry_budget(每 Unit)</td><td>默认 5</td><td>该 Unit → blocked</td></tr>
            <tr><td>l2_budget(每 PRD rev)</td><td>默认 3</td><td>项目 → l2_exhausted</td></tr>
            <tr><td>token_budget(每项目)</td><td>默认 5_000_000</td><td>项目 → blocked + SSE 告警</td></tr>
            <tr><td>Agent 单次墙钟</td><td>默认 10 min</td><td>kill + 计 fail 一次</td></tr>
            <tr><td>Integrator 总墙钟</td><td>默认 5 min</td><td>kill + 算 infra_flake</td></tr>
          </tbody>
        </table>
        <p class="sig">所有阈值在 <code>project.json</code> 可覆盖。生产建议保持默认。</p>
      </section>

      <section data-def-name="Process.StatePersistence" data-mvcp="process">
        <h2>P-8 · Agent State 持久化 + 崩溃恢复</h2>
        <code class="path mono" style="color:var(--ink-soft)">loop-controller.js · agent-state/*.json · timeline.ndjson</code>

        <h3>调用前 / 中 / 后三阶段</h3>
<pre class="code shape"><span class="c">// LoopController.callAgent 的完整包裹流程</span>
<span class="k">async function</span> <span class="n">callAgentWithPersistence</span>(name, input) <span class="p">{</span>
  <span class="k">const</span> call_id  = <span class="n">genCallId</span>();
  <span class="k">const</span> statePath = <span class="s">`</span><span class="v">${pidDir}</span><span class="s">/agent-state/</span><span class="v">${name}</span><span class="s">.json`</span>;

  <span class="c">// ── 调用前 ──</span>
  <span class="k">const</span> inputSnap = <span class="k">await</span> <span class="n">snapshot</span>(input);   <span class="c">// → agent-state/snapshots/{call_id}-in.json</span>
  fs.<span class="n">writeFileSync</span>(statePath, <span class="n">JSON.stringify</span>(<span class="p">{</span>
    agent: name, call_id, status: <span class="s">'running'</span>,
    current_step: <span class="v">0</span>, total_steps: <span class="v">0</span>,   <span class="c">// Agent 自己稍后会写</span>
    last_input_ref: inputSnap,
    started_at: now(), updated_at: now(),
  <span class="p">}</span>));
  timelineLogger.<span class="n">append</span>(pid, <span class="p">{</span>
    source: <span class="s">'system'</span>, kind: <span class="s">'agent_started'</span>,
    ref: <span class="s">`agent/</span><span class="v">${name}</span><span class="s">/</span><span class="v">${call_id}</span><span class="s">`</span>,
    summary: <span class="s">`</span><span class="v">${name}</span><span class="s"> started (unit=</span><span class="v">${input.unit_id || '-'}</span><span class="s">)`</span>
  <span class="p">}</span>);

  <span class="k">try</span> <span class="p">{</span>
    <span class="c">// ── 调用中 ── (Agent 自己通过工具更新)</span>
    <span class="c">//   - record_memory(topic, content, relevance)</span>
    <span class="c">//   - write_todolist(items)              → agent-state/{agent}-todo.json</span>
    <span class="c">//   - update_todo_item(id, status, ref)  → 更新单条 item + 同步 progress_pct</span>
    <span class="c">//   - update_runtime_state(current_step) → 修 agent-state/{agent}.json</span>
    <span class="c">//   - timeline_append(kind, ref, summary)→ 写 timeline.ndjson</span>
    <span class="k">const</span> result = <span class="k">await</span> agentManager.<span class="n">callAgent</span>(name, input);

    <span class="c">// ── 调用后 (成功) ──</span>
    <span class="k">const</span> outSnap = <span class="k">await</span> <span class="n">snapshot</span>(result);
    fs.<span class="n">writeFileSync</span>(statePath, <span class="n">JSON.stringify</span>(<span class="p">{</span>
      ...readState(statePath),
      status: <span class="s">'done'</span>,
      last_output_ref: outSnap,
      updated_at: now(),
    <span class="p">}</span>));
    timelineLogger.<span class="n">append</span>(pid, <span class="p">{</span>
      source: name, kind: <span class="s">'agent_done'</span>,
      ref: <span class="s">`agent/</span><span class="v">${name}</span><span class="s">/</span><span class="v">${call_id}</span><span class="s">`</span>,
      summary: <span class="s">`</span><span class="v">${name}</span><span class="s"> done in </span><span class="v">${result.duration_ms}</span><span class="s">ms`</span>,
      payload: <span class="p">{</span> tokens: result.tokens_used <span class="p">}</span>
    <span class="p">}</span>);
    <span class="k">return</span> result;
  <span class="p">}</span> <span class="k">catch</span> (e) <span class="p">{</span>
    <span class="c">// ── 调用后 (失败) ──</span>
    fs.<span class="n">writeFileSync</span>(statePath, <span class="n">JSON.stringify</span>(<span class="p">{</span>
      ...readState(statePath),
      status: <span class="s">'error'</span>,
      error: <span class="p">{</span> code: e.code, message: e.message, stack: e.stack <span class="p">}</span>,
      updated_at: now(),
    <span class="p">}</span>));
    timelineLogger.<span class="n">append</span>(pid, <span class="p">{</span>
      source: <span class="s">'system'</span>, kind: <span class="s">'agent_error'</span>,
      ref: <span class="s">`agent/</span><span class="v">${name}</span><span class="s">/</span><span class="v">${call_id}</span><span class="s">`</span>,
      summary: e.message
    <span class="p">}</span>);
    <span class="k">throw</span> e;
  <span class="p">}</span>
<span class="p">}</span></pre>

        <h3>崩溃恢复流程</h3>
<pre class="code shape"><span class="c">// server 启动时调用一次</span>
<span class="k">async function</span> <span class="n">recoverOnBoot</span>() <span class="p">{</span>
  <span class="k">const</span> projects = <span class="n">listAllProjects</span>();   <span class="c">// 扫 data/companies/*/projects/*/</span>
  <span class="k">for</span> (<span class="k">const</span> pid <span class="k">of</span> projects) <span class="p">{</span>
    <span class="k">const</span> states = <span class="n">readAgentStates</span>(pid);  <span class="c">// 读全部 agent-state/*.json</span>
    <span class="k">for</span> (<span class="k">const</span> s <span class="k">of</span> states) <span class="p">{</span>
      <span class="k">if</span> (s.status === <span class="s">'running'</span>) <span class="p">{</span>
        <span class="c">// 之前的进程被杀,改 paused 等待人决策</span>
        <span class="n">writeState</span>(s.agent, <span class="p">{</span>
          ...s,
          status: <span class="s">'paused'</span>,
          resume_token: <span class="n">genResumeToken</span>(),
          updated_at: now()
        <span class="p">}</span>);
        timelineLogger.<span class="n">append</span>(pid, <span class="p">{</span>
          source: <span class="s">'system'</span>, kind: <span class="s">'agent_paused_by_recovery'</span>,
          ref: <span class="s">`agent/</span><span class="v">${s.agent}</span><span class="s">/</span><span class="v">${s.call_id}</span><span class="s">`</span>,
          summary: <span class="s">'Server 重启,Agent 已挂起等待决策'</span>
        <span class="p">}</span>);
        sseBroker.<span class="n">emit</span>(pid, <span class="s">'resume_decision_needed'</span>, <span class="p">{</span>
          agent: s.agent, call_id: s.call_id,
          last_step: s.current_step, total: s.total_steps,
          options: <span class="p">[</span><span class="s">'resume_from_step'</span>, <span class="s">'restart_fresh'</span>, <span class="s">'abort'</span><span class="p">]</span>
        <span class="p">}</span>);
      <span class="p">}</span>
    <span class="p">}</span>
  <span class="p">}</span>
<span class="p">}</span></pre>

        <h3>恢复决策三态</h3>
        <table class="dense">
          <thead><tr><th>option</th><th>含义</th><th>动作</th></tr></thead>
          <tbody>
            <tr><td><code>resume_from_step</code></td><td>从 current_step 继续</td><td>读 last_input_ref + todolist,重新 callAgent,input 携带 history</td></tr>
            <tr><td><code>restart_fresh</code></td><td>整个 Unit 重写</td><td>UnitRegistry.reset 该 unit,清 todolist,回 L1 队列</td></tr>
            <tr><td><code>abort</code></td><td>放弃</td><td>UnitRegistry.block 该 unit,等下一轮人类反馈</td></tr>
          </tbody>
        </table>

        <h3>Memory 注入流程</h3>
<pre class="code shape"><span class="c">// 每次 Agent 启动前,把相关 memory 注入 system prompt</span>
<span class="k">function</span> <span class="n">buildPromptWithMemory</span>(agent, basePrompt) <span class="p">{</span>
  <span class="k">const</span> memDir = <span class="s">`</span><span class="v">${companyDir}</span><span class="s">/memory/devloop/</span><span class="v">${agent}</span><span class="s">/`</span>;
  <span class="k">if</span> (!fs.<span class="n">existsSync</span>(memDir)) <span class="k">return</span> basePrompt;

  <span class="k">const</span> memories = fs.<span class="n">readdirSync</span>(memDir)
    .<span class="n">map</span>(f =&gt; <span class="n">parseMemory</span>(path.<span class="n">join</span>(memDir, f)))
    .<span class="n">filter</span>(m =&gt; m.relevance_score &gt;= <span class="v">0.5</span>)
    .<span class="n">sort</span>((a, b) =&gt; b.relevance_score - a.relevance_score)
    .<span class="n">slice</span>(<span class="v">0</span>, <span class="v">5</span>);

  <span class="k">if</span> (memories.length === <span class="v">0</span>) <span class="k">return</span> basePrompt;

  <span class="k">const</span> memSection = <span class="s">`## Memory (from prior projects)\n`</span> +
    memories.<span class="n">map</span>(m =&gt; <span class="s">`### </span><span class="v">${m.topic}</span><span class="s">\n</span><span class="v">${m.content}</span><span class="s">`</span>).<span class="n">join</span>(<span class="s">'\n\n'</span>);

  <span class="k">return</span> basePrompt + <span class="s">'\n\n'</span> + memSection;
<span class="p">}</span></pre>

        <ul class="contract">
          <li>statePath 写入是<b>原子的</b>(fs.writeFileSync + sync flag)</li>
          <li>resume_token 有效期 24 小时,过期视同 restart_fresh</li>
          <li>memory 注入不超过 5 条,避免 prompt 膨胀</li>
          <li>relevance &lt; 0.5 的 memory 不注入但保留文件</li>
          <li>同一 (pid, agent) 任意时刻只允许一个 status=running</li>
        </ul>

        <h3>触发 SSE 事件</h3>
        <table class="dense">
          <thead><tr><th>事件</th><th>何时</th></tr></thead>
          <tbody>
            <tr><td><code>agent.started</code></td><td>callAgentWithPersistence 进入</td></tr>
            <tr><td><code>agent.todolist</code></td><td>Agent write_todolist 后</td></tr>
            <tr><td><code>agent.step</code></td><td>Agent update_todo_item 后(前端用于 「3/5」)</td></tr>
            <tr><td><code>agent.done</code></td><td>成功结束</td></tr>
            <tr><td><code>agent.error</code></td><td>抛错</td></tr>
            <tr><td><code>resume_decision_needed</code></td><td>recoverOnBoot 检测到 paused</td></tr>
          </tbody>
        </table>
      </section>

      <section data-def-name="Process.BugLifecycle" data-mvcp="process">
        <h2>P-9 · Bug 状态机</h2>
        <code class="path mono" style="color:var(--ink-soft)">server/services/bug-tracker.js → transition()</code>

        <h3>状态机</h3>
        <svg viewBox="0 0 1100 240" width="100%" role="img">
          <defs><marker id="arrBL" viewBox="0 0 10 10" refX="9" refY="5" markerWidth="8" markerHeight="8" orient="auto"><path d="M0,0 L10,5 L0,10 Z" fill="#0E0E10"/></marker></defs>
          <g font-family="JetBrains Mono" font-size="12" fill="#0E0E10">
            <rect x="20"  y="90" width="120" height="50" rx="4" fill="#FCE7E2" stroke="#C7341A"/><text x="80" y="120" text-anchor="middle">open</text>
            <rect x="200" y="90" width="120" height="50" rx="4" fill="#FFF6CC" stroke="#8a6b00"/><text x="260" y="120" text-anchor="middle">fixing</text>
            <rect x="380" y="90" width="120" height="50" rx="4" fill="#E2F2EA" stroke="#0E8C5A"/><text x="440" y="120" text-anchor="middle">fixed</text>
            <rect x="560" y="90" width="120" height="50" rx="4" fill="#fff" stroke="#0E8C5A" stroke-width="2"/><text x="620" y="120" text-anchor="middle">verified</text>
            <rect x="200" y="20" width="120" height="50" rx="4" fill="#EAEAEA" stroke="#666"/><text x="260" y="50" text-anchor="middle">wontfix</text>
            <rect x="380" y="20" width="120" height="50" rx="4" fill="#EAEAEA" stroke="#666"/><text x="440" y="50" text-anchor="middle">duplicate</text>
            <rect x="380" y="170" width="160" height="50" rx="4" fill="#FCE7E2" stroke="#C7341A"/><text x="460" y="200" text-anchor="middle">reopened → open</text>
            <g stroke="#0E0E10" fill="none" marker-end="url(#arrBL)">
              <line x1="140" y1="115" x2="195" y2="115"/>
              <line x1="320" y1="115" x2="375" y2="115"/>
              <line x1="500" y1="115" x2="555" y2="115"/>
              <line x1="140" y1="100" x2="195" y2="50"/>
              <line x1="140" y1="100" x2="375" y2="50"/>
              <line x1="500" y1="140" x2="460" y2="165"/>
              <line x1="460" y1="220" x2="80" y2="140"/>
            </g>
          </g>
        </svg>

        <h3>合法转换</h3>
        <table class="dense">
          <thead><tr><th>from</th><th>to</th><th>触发</th><th>副作用</th></tr></thead>
          <tbody>
            <tr><td>(none)</td><td>open</td><td>Tester / Integrator 失败 → bugTracker.open</td><td>+ timeline · + SSE bug.opened</td></tr>
            <tr><td>open</td><td>fixing</td><td>Coder 进入 coding 态(关联同 unit)</td><td>+ status_history · + SSE</td></tr>
            <tr><td>open</td><td>wontfix</td><td>人类决策</td><td>需带 note</td></tr>
            <tr><td>open</td><td>duplicate</td><td>BugTracker dedupKey 命中 + 人裁决</td><td>需填 duplicate_of</td></tr>
            <tr><td>fixing</td><td>fixed</td><td>同 unit Tester 绿且 fix_refs 含新 run_id</td><td>+ SSE bug.fixed</td></tr>
            <tr><td>fixing</td><td>open</td><td>Coder 退出但未通过</td><td>retries++</td></tr>
            <tr><td>fixed</td><td>verified</td><td>L2 Integration 全部通过</td><td>+ SSE bug.verified</td></tr>
            <tr><td>fixed</td><td>open</td><td>L2 失败且 BugTriager 归因到同一 root_cause</td><td>reopened</td></tr>
            <tr><td>verified</td><td>open</td><td>新 L3 反馈引入回归</td><td>reopened</td></tr>
          </tbody>
        </table>

        <h3>自动转换 vs 人为转换</h3>
        <ul>
          <li><b>自动:</b>open → fixing → fixed → verified 主链由 LoopController + Tester + Integrator 触发</li>
          <li><b>人为:</b>wontfix / duplicate 必须人类显式调 API + 带 note</li>
          <li><b>重开:</b>fixed/verified → open 由系统自动触发但<b>必须</b>关联到具体 run_id + triage_id 证据</li>
        </ul>

        <h3>与 L1/L2 的耦合</h3>
        <pre class="code shape"><span class="c">// L1 内:Tester 失败 → 开 bug + 设 unit failed</span>
testerResult.failures.<span class="n">forEach</span>(f =&gt; <span class="p">{</span>
  bugTracker.<span class="n">open</span>(pid, <span class="p">{</span>
    source: <span class="s">'unit_test'</span>, unit_id: unit.id, run_id: runId,
    test_name: f.test, category: <span class="s">'unknown'</span>,
    severity: <span class="s">'high'</span>, title: f.test + <span class="s">' '</span> + <span class="n">brief</span>(f),
    detail: <span class="n">JSON.stringify</span>(f), affected_units: [unit.id]
  <span class="p">}</span>);
<span class="p">}</span>);

<span class="c">// 下一轮 Coder 进入 → 关联 bug 状态转 fixing</span>
bugTracker.<span class="n">list</span>(pid, <span class="p">{</span> unit_id: unit.id, status: [<span class="s">'open'</span>] <span class="p">}</span>)
  .<span class="n">forEach</span>(b =&gt; bugTracker.<span class="n">transition</span>(pid, b.id, <span class="p">{</span> to:<span class="s">'fixing'</span>, by:<span class="s">'coder'</span> <span class="p">}</span>));

<span class="c">// L2 通过 → 所有 fixed → verified</span>
<span class="k">if</span> (integratorResult.ok) <span class="p">{</span>
  bugTracker.<span class="n">list</span>(pid, <span class="p">{</span> status: [<span class="s">'fixed'</span>] <span class="p">}</span>)
    .<span class="n">forEach</span>(b =&gt; bugTracker.<span class="n">transition</span>(pid, b.id, <span class="p">{</span> to:<span class="s">'verified'</span>, by:<span class="s">'system'</span> <span class="p">}</span>));
<span class="p">}</span></pre>

        <h3>新增 SSE 事件</h3>
        <table class="dense">
          <thead><tr><th>event</th><th>触发</th></tr></thead>
          <tbody>
            <tr><td><code>bug.opened</code></td><td>bugTracker.open</td></tr>
            <tr><td><code>bug.transitioned</code></td><td>任何状态转换</td></tr>
            <tr><td><code>bug.reopened</code></td><td>verified → open 特化事件</td></tr>
          </tbody>
        </table>
      </section>

      <section data-def-name="Process.GitCommit" data-mvcp="process">
        <h2>P-10 · 自动 git commit 流程</h2>
        <code class="path mono" style="color:var(--ink-soft)">server/src/core/loop-controller.js · callAgentWithPersistence 的 success 分支扩展</code>
<pre class="code shape"><span class="c">// 完整设计见 arch-git-versioning.html · 此处只放骨架</span>

<span class="k">async function</span> <span class="n">commitAfterAgent</span>(pid, name, result, input) <span class="p">{</span>
  <span class="k">const</span> spec = <span class="n">buildCommitSpec</span>(name, result, input);
  <span class="k">if</span> (!spec) <span class="k">return</span>;       <span class="c">// 某些情况不 commit (Coder 等 Tester 绿,Tester 红不 commit)</span>

  <span class="k">const</span> <span class="p">{</span> ok, sha, skipped <span class="p">}</span> = <span class="k">await</span> gitVault.<span class="n">commit</span>(pid, spec);

  <span class="k">if</span> (ok &amp;&amp; !skipped) <span class="p">{</span>
    timelineLogger.<span class="n">append</span>(pid, <span class="p">{</span> source:<span class="s">'system'</span>, kind:<span class="s">'git_committed'</span>,
      ref: sha.<span class="n">slice</span>(<span class="v">0</span>,<span class="v">7</span>), summary: spec.summary <span class="p">}</span>);
    sseBroker.<span class="n">emit</span>(pid, <span class="s">'git.committed'</span>, <span class="p">{</span> sha, kind: spec.kind, summary: spec.summary <span class="p">}</span>);
  <span class="p">}</span>
<span class="p">}</span>

<span class="c">// Commit 时机表</span>
PM 完成 prd        → kind:'prd',    msg: 'prd: rev N · {summary}'
Architect generate → kind:'sdd',    msg: 'sdd: rev N · X units · ...'
Architect patch    → kind:'sdd',    msg: 'sdd: patch · {affected_units}'
Coder + Tester 绿  → kind:'code',   msg: 'code(unit-id): implement|retry · attempt N'
Coder 单独完成     → 不 commit (等 Tester 验证)
Tester 红          → 不 commit (避免噪音)
BugTriager         → kind:'triage', msg: 'triage(run-id): {category} · confidence {n}'
Integrator         → kind:'integ',  msg: 'integ(run-id): pass|fail · X/Y'
shipped            → tag:'shipped-v{prd_rev}-{sdd_rev}'
sign-off           → tag:'final-v{prd_rev}'
abandon            → tag:'abandoned'</pre>
        <ul class="contract">
          <li>Coder commit 推迟到 Tester 绿(避免红色代码进 main)</li>
          <li>所有 commit author 标 Agent 名</li>
          <li>nothing-to-commit 返 skipped=true,不抛错</li>
          <li>commit 失败 → 记 warning 但不阻塞 Agent 返回</li>
          <li>shipped/sign-off/abandon 用 tag 而非 commit,commit 是文件变化,tag 是项目里程碑</li>
        </ul>
        <ul class="tests">
          <li>项目创建后 git log 含 init commit + .gitignore</li>
          <li>PM 完成后多 1 个 prd: rev 1 commit</li>
          <li>Coder retry 3 次但只 Tester 绿一次 → 仅 1 个 code commit</li>
          <li>shipped → tag shipped-v1-1 存在</li>
        </ul>

        <h3>recoverOnBoot 加 git 清理</h3>
<pre class="code shape"><span class="k">async function</span> <span class="n">recoverOnBoot</span>() <span class="p">{</span>
  <span class="k">for</span> (<span class="k">const</span> pid <span class="k">of</span> <span class="n">listAllProjects</span>()) <span class="p">{</span>
    <span class="c">// P-8 既有:扫 agent-state running → paused (见 P-8)</span>
    <span class="n">recoverAgentStates</span>(pid);

    <span class="c">// P-10 新增:扫 git 工作区脏文件</span>
    <span class="k">const</span> status = <span class="k">await</span> gitVault.<span class="n">status</span>(pid);
    <span class="k">if</span> (status.<span class="n">dirty</span>) <span class="p">{</span>
      sseBroker.<span class="n">emit</span>(pid, <span class="s">'recovery_dirty_tree'</span>, <span class="p">{</span>
        files: status.<span class="n">files</span>,
        options: [<span class="s">'commit_as_wip'</span>, <span class="s">'reset_hard'</span>, <span class="s">'manual_inspect'</span>],
      <span class="p">}</span>);
    <span class="p">}</span>
  <span class="p">}</span>
<span class="p">}</span></pre>

        <h3>新增 SSE 事件</h3>
        <table class="dense">
          <thead><tr><th>event</th><th>何时</th></tr></thead>
          <tbody>
            <tr><td><code>git.committed</code></td><td>commitAfterAgent 成功后</td></tr>
            <tr><td><code>git.tagged</code></td><td>tag 操作后(shipped/sign-off/abandon)</td></tr>
            <tr><td><code>recovery_dirty_tree</code></td><td>recoverOnBoot 检测到上次 crash 留下的脏文件</td></tr>
          </tbody>
        </table>
      </section>

      <section>
        <h2>三层 Loop 嵌套伪代码(最终版)</h2>
<pre class="code shape"><span class="c">// 完整调度循环(runProject 核心)</span>
<span class="k">async function</span> <span class="n">runProject</span>(pid) <span class="p">{</span>
  <span class="k">while</span> (<span class="v">true</span>) <span class="p">{</span>
    <span class="c">// ===== L1 =====</span>
    <span class="k">const</span> waves = scheduler.<span class="n">getExecutionGroups</span>(unitRegistry.<span class="n">pending</span>(pid));
    <span class="k">for</span> (<span class="k">const</span> wave <span class="k">of</span> waves) <span class="p">{</span>
      <span class="k">await</span> Promise.<span class="n">all</span>(wave.<span class="n">map</span>(u =&gt; runUnit(pid, u.<span class="n">id</span>)));
    <span class="p">}</span>
    <span class="k">if</span> (unitRegistry.<span class="n">anyBlocked</span>(pid)) <span class="k">return</span> <span class="s">'blocked'</span>;

    <span class="c">// ===== L2 =====</span>
    <span class="k">if</span> (!unitRegistry.<span class="n">l2GateOpen</span>(pid)) <span class="k">continue</span>;
    <span class="k">const</span> r = <span class="k">await</span> runL2(pid);
    <span class="k">if</span> (r === <span class="s">'shipped'</span>)        <span class="k">return</span> <span class="s">'shipped'</span>;
    <span class="k">if</span> (r === <span class="s">'l2_blocked'</span>)     <span class="k">return</span> <span class="s">'blocked'</span>;
    <span class="k">if</span> (r === <span class="s">'l2_exhausted'</span>)   <span class="k">return</span> <span class="s">'l2_exhausted'</span>;
    <span class="c">// r === 'retry_l1' → 继续外 while</span>
  <span class="p">}</span>
  <span class="c">// L3 入口 onHumanFeedback() 异步入队,由 drainFeedback 串行调用 runProject</span>
<span class="p">}</span></pre>
      </section>

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