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title: "控制循环 (Control Loop, L)"
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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, orchestration]
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sources:
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- arxiv:2606.20683
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---
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# 控制循环 (L)
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## 定义
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脚手架六组件之一。**控制循环**组织跨步骤、跨工具和可能交接的执行。它将观测、推理、行动和反馈转化为可运行的过程。
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## 设计空间
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- 执行模式:简单 perceive-act 循环 vs. ReAct-style vs. plan-execute-verify
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- 控制分权:多少控制由模型主导 vs. 运行时主导
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- 规划时机:何时创建/修订计划
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- 委托:何时引入子 Agent
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- 协调:顺序 vs. 并行
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- 终止条件:何时停止执行
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## 核心权衡
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**适应性 vs. 稳定性**:
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- 更自由的循环可响应意外状态,但更易漂移、重复失败和产生协调开销
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- 更强的编排提高可靠性,但可能降低效率或过度约束探索
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## 多模型控制循环
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当 |M| > 1 时,控制循环从"一个模型迭代至完成"变为"运行时决定哪个模型接下来行动、带什么上下文、在什么约束下"。典型模式:
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- Planner-Executor-Verifier 分解
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- Specialist routing
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- Debate/committee-style validation
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- Sub-agent handoff
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## 代表系统
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- **NLAH**:将脚手架逻辑视为可编辑产物
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- **Meta-Harness**:将脚手架配置视为可搜索的设计空间
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- 轻量级迭代循环 vs. 显式 plan-execute-verify vs. 多 Agent 协调——占据设计空间的不同位置
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## 参考
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- [[agent-harness-survey-2026|Agent Harness Survey (2026)]]
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- [[harness-six-components|脚手架六组件模型]]
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- [[multi-model-harness|多模型脚手架]]
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- [[learnable-harness|可学习脚手架]]
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