Editorial context编辑说明
What this briefing adds本期解读价值
An interactive editorial on Anthropic's harness-design essay: why long-running app agents drift, when planner-generator-evaluator loops help, and how to keep only the scaffolding that still matters.
Echo adds source selection, synthesis, bilingual framing, and interaction design. This briefing is an independent editorial layer and does not replace the original work.
围绕 Anthropic 这篇 harness 文章做的交互式专题：为什么长运行应用 agent 会跑偏，planner-generator-evaluator 三角循环何时真正有用，以及该如何只保留仍然关键的脚手架。
Echo 在原始材料之上补充选题、信息综合、双语语境与交互设计。本页是独立编辑解读，不能替代原文。