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title: "模型-脚手架协同演化 (Model-Harness Co-Evolution)"
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created: 2026-07-13
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updated: 2026-07-13
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type: concept
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tags: [agent, harness, coevolution, self-improvement]
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sources:
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- arxiv:2606.20683
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---
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# 模型-脚手架协同演化
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## 定义
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Agent 工程第四范式(Phase 4)的第二方向。**模型-脚手架协同演化**将 Agent 工程从一次性训练扩展到全栈持续改进——模型、脚手架和改进策略在部署过程中可能全部更新,利用执行反馈决定哪些更改保留、修正或回滚。
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## 三层区分
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Agent Harness Survey 将常被混为一谈的"自我进化"拆解为三层:
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| 层次 | 定义 | 代表系统 |
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|------|------|----------|
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| [[multi-model-harness|多模型脚手架]] | 谁执行每个运行时角色 | OpenHands, MagenticOne |
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| [[learnable-harness|可学习脚手架]] | 运行时策略如何被优化 | NLAH, Meta-Harness, AHE |
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| **协同演化** | 模型+脚手架+改进循环何时及如何联合更新 | EvolveR, Hyperagents, Darwin Gödel Machine |
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## 关键系统
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- **EvolveR / AgentEvolver**:将交互轨迹作为可重用学习信号(self-questioning, navigation, attribution)
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- **Continual Harness**:在线适应,不依赖推理时的稠密外部奖励
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- **AHE(Agentic Harness Engineering)**:脚手架侧演化——固定基座模型下,运行时组件从 observability-driven 反馈中演化
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- **SICA / Darwin Gödel Machine / Hyperagents**:递归自我改进——改进机制本身可能随时间可修改
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## 核心命题
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行为内部化([[agent-native-training|Agent 原生训练]])不消除脚手架——它改变了分工:
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- 更多短视界行为移入模型参数
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- 运行时仍提供环境访问、状态和安全控制
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- 开放问题:如何安全地让模型+脚手架+改进策略联合演化,不牺牲可检视性和安全性
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## 参考
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- [[agent-harness-survey-2026|Agent Harness Survey (2026)]]
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- [[agent-native-training|Agent 原生训练]]
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- [[learnable-harness|可学习脚手架]]
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- [[four-paradigms-agent-engineering|Agent 工程四范式]]
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