Steinberger：用量化雄心目标让 Agent 清理不再半途而废
模糊指令让 Agent 过早收工，给出带量化指标与约束的高目标才能驱动深度清理。
If you just tell the agent to clean up, it will stop far too early. Give it an ambitious goal. Try "remove 20% of the least useful tests while maintaining code coverage within 2%"