analysis_claude_code/s05_todo_write/images/todo-overview.svg

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  <!-- 背景 -->
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  <!-- 标题 -->
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  <text x="400" y="31" fill="#fff" font-size="16" font-weight="700" text-anchor="middle">TodoWrite — 循环不变，多一个工具自动分发</text>

  <!-- ===== s04 保留（灰色） ===== -->
  <text x="50" y="76" fill="#94a3b8" font-size="11" font-weight="600">s04 保留</text>

  <!-- messages -->
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  <text x="90" y="117" fill="#1e3a5f" font-size="12" font-weight="600" text-anchor="middle">messages[]</text>

  <!-- → LLM -->
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  <!-- LLM -->
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  <text x="245" y="126" fill="#64748b" font-size="9" text-anchor="middle">stop_reason=tool_use?</text>

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  <!-- PreToolUse (s04) -->
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  <!-- → TOOL_HANDLERS -->
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  <!-- ===== s05 新增：todo_write ===== -->
  <!-- TOOL_HANDLERS 框（扩大，包含 todo_write） -->
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  <!-- s04 保留的工具 -->
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  <text x="560" y="117" fill="#1e3a5f" font-size="9" text-anchor="middle">bash · read · write</text>

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  <!-- s05 新增：todo_write -->
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  <text x="560" y="232" fill="#16a34a" font-size="11" font-weight="600" text-anchor="middle">s05 新增</text>

  <text x="560" y="196" fill="#64748b" font-size="8" text-anchor="middle">→ 进程内 TODO 列表</text>

  <!-- 回环 -->
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  <text x="370" y="280" fill="#64748b" font-size="10" text-anchor="middle">结果追加到 messages[]，循环继续</text>

  <!-- ===== Nag Reminder ===== -->
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  <text x="120" y="332" fill="#92400e" font-size="11" font-weight="700">Nag Reminder（催更机制）</text>
  <text x="120" y="352" fill="#92400e" font-size="10">模型连续 3 轮没调 todo_write → 自动注入 &lt;reminder&gt;Update your todos.&lt;/reminder&gt;</text>

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  <text x="140" y="402" fill="#334155" font-size="10">s04 保留（循环、钩子、5 个基础工具）</text>
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  <text x="420" y="402" fill="#334155" font-size="10">s05 新增（todo_write + nag reminder）</text>
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