20260625:很多新内容
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concepts/skill-evolution.md
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concepts/skill-evolution.md
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---
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title: "Skill 演化 — 修订→验证→治理"
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created: 2026-06-19
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updated: 2026-06-19
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type: concept
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tags: [agent-skills, evolution, governance, revision]
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sources:
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- https://arxiv.org/abs/2605.07358
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---
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# Skill 演化(Evolution)
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## 定义
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Skill evolution 关注**已形成的 skill artifact 如何被修订、验证、优化、共享和治理**。它与 acquisition 的区别:acquisition 解释 skill 最初如何获得,evolution 关注获得之后如何持续改进。
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## 五阶段细化管线
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```
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Skill Revision → Skill Validation → Policy Coupling → Repository Evolution → Runtime Governance
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↑ |
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└──────────────────────────────────────────────────────────────────────────┘
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(governed reuse feedback)
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```
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### 1. Skill Revision(修订)
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- 反馈改变持久 skill 对象的内容
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- 关键操作:创建、重写、合并、丢弃
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- 必需条件:修订必须可追溯、可版本化、可回滚
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- 代表:EvoSkill, Memento-Skills, AutoSkill, XSkill
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### 2. Skill Validation(验证)
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- 将演化转为**生存问题**:修订后的 skill 必须通过检查才能被信任
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- 检查形式:执行测试、一致性验证、替代验证、回滚验证
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- 代表:SkillWeaver, ASI, CoEvoSkills, TroVE, PSN, Audited Skill-Graph
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### 3. Policy Coupling(策略耦合)
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- Skill 基底成为控制器训练状态的一部分
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- RL 中 skill 库随策略共同演化——策略优化改变 skill 基底,改变后的基底影响动作空间
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- 代表:SkillRL, ARISE
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### 4. Repository Evolution(仓库演化)
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- 将接受的变更扩展到单个 artifact 之外
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- 核心挑战:同步、去重、关系一致性、安全分发
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- 代表:Uni-Skill, SkillX, SkillNet, SkillClaw
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### 5. Runtime Governance(运行时治理)
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- 演化后的 skill 只有在运行时被正确检索、路由、信任检查后才真正改变行为
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- 治理闭环:检索 → 路由 → 信任检查 → 执行 → 退役
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- 安全侧:防止污染 skill、恶意文档、过度信任
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- → [[runtime-governance|运行时治理]]
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## 非对称性挑战
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当前系统**添加 artifact 远强于安全重写或退役**。增长比清理更好理解。
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## 参考
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- [[zhou-agent-skills-survey-2026|Zhou et al. 2026]]
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- [[skill-lifecycle|Skill 生命周期]]
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- [[skill-acquisition|Skill 获取]](获取 vs 演化)
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- [[runtime-governance|运行时治理]]
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