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feat: refresh context compaction lesson

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Haoran
2026-07-31 15:52:53 +08:00
parent 2affb3f345
commit 13dc5396bb
34 changed files with 1267 additions and 786 deletions
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s08_context_compact/images/layer1-budget.svg
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<text x="360" y="25" fill="#fff" font-size="14" font-weight="700" text-anchor="middle">L3: toolResultBudget — 大结果落盘</text>
<text x="360" y="25" fill="#fff" font-size="14" font-weight="700" text-anchor="middle">Step 1: tool_result_budget，大结果落盘</text>
<!-- 痛点 -->
<rect x="20" y="54" width="680" height="42" rx="6" fill="#fef2f2" stroke="#fca5a5" stroke-width="1"/>
<text x="35" y="72" fill="#991b1b" font-size="11" font-weight="600">痛点</text>
<text x="75" y="72" fill="#991b1b" font-size="11">模型一次读了 30 个文件，单轮 tool_result 加起来 500KB，直接把上下文窗口打满</text>
<text x="75" y="72" fill="#991b1b" font-size="11">模型一次读了 30 个文件，单轮 tool_result 合计约 500,000 字符</text>
<!-- Before -->
<text x="155" y="118" fill="#64748b" font-size="12" font-weight="600" text-anchor="middle">压缩前</text>
<rect x="20" y="128" width="270" height="82" rx="6" fill="#fff" stroke="#94a3b8" stroke-width="1"/>
<text x="35" y="148" fill="#475569" font-size="10" font-family="monospace">tool_result: (78KB) ...</text>
<text x="35" y="164" fill="#475569" font-size="10" font-family="monospace">tool_result: (142KB) ...</text>
<text x="35" y="180" fill="#475569" font-size="10" font-family="monospace">tool_result: (290KB) ...</text>
<text x="155" y="202" fill="#ef4444" font-size="9" font-weight="600" text-anchor="middle">合计 510KB → 超预算</text>
<text x="35" y="148" fill="#475569" font-size="10" font-family="monospace">tool_result: (78K chars) ...</text>
<text x="35" y="164" fill="#475569" font-size="10" font-family="monospace">tool_result: (142K chars) ...</text>
<text x="35" y="180" fill="#475569" font-size="10" font-family="monospace">tool_result: (290K chars) ...</text>
<text x="155" y="202" fill="#ef4444" font-size="9" font-weight="600" text-anchor="middle">合计 510K 字符 → 超预算</text>
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@@ -33,18 +33,18 @@
<text x="485" y="118" fill="#16a34a" font-size="12" font-weight="600" text-anchor="middle">压缩后</text>
<rect x="365" y="128" width="335" height="82" rx="6" fill="#f0fdf4" stroke="#16a34a" stroke-width="1"/>
<text x="380" y="148" fill="#166534" font-size="10" font-family="monospace">tool_result: &lt;persisted-output&gt;</text>
<text x="395" y="164" fill="#166534" font-size="9">Full output: .task_outputs/t1.txt</text>
<text x="395" y="164" fill="#166534" font-size="9">Full output: .task_outputs/tool-results/t1.txt</text>
<text x="395" y="178" fill="#166534" font-size="9">Preview: (前 2000 字符) ...</text>
<text x="532" y="202" fill="#16a34a" font-size="9" font-weight="600" text-anchor="middle">合计 18KB → 正常</text>
<text x="532" y="202" fill="#16a34a" font-size="9" font-weight="600" text-anchor="middle">合计约 18K 字符 → 正常</text>
<!-- 原理说明 -->
<rect x="20" y="214" width="680" height="64" rx="6" fill="#f8fafc" stroke="#cbd5e1" stroke-width="1"/>
<text x="35" y="234" fill="#1e3a5f" font-size="11" font-weight="600">怎么做</text>
<text x="85" y="234" fill="#475569" font-size="10">1. 统计最后一轮所有 tool_result 的总大小</text>
<text x="85" y="250" fill="#475569" font-size="10">2. 超过 200KB → 按大小排序，从最大的开始落盘到 .task_outputs/tool-results/</text>
<text x="85" y="250" fill="#475569" font-size="10">2. 超过 200,000 字符 → 从最大的开始落盘到 .task_outputs/tool-results/</text>
<text x="85" y="266" fill="#475569" font-size="10">3. 上下文里只留 &lt;persisted-output&gt; 标记 + 前 2000 字符预览</text>
<!-- 变化摘要 -->
<rect x="20" y="290" width="680" height="36" rx="6" fill="#f0fdf4" stroke="#16a34a" stroke-width="1"/>
<text x="35" y="312" fill="#166534" font-size="11">结果：信息没丢（磁盘有完整数据），上下文从 510KB 降到 ~18KB，0 次 API 调用</text>
<text x="35" y="312" fill="#166534" font-size="11">结果：完整数据保留在磁盘，上下文从 510K 降到约 18K 字符，0 次 API 调用</text>
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