principle-subtract-before-you-add
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ChineseRead pstack runtime before executing this workflow.
执行此工作流前，请阅读 pstack runtime。
Subtract Before You Add
先做减法，再做加法
When evolving a system, remove complexity first, then build. Default to subtraction.
Make simplification a continual investment. Leave the design slightly simpler and more capable behind the same or smaller surface than you found it.
- Sequence removal before construction
- Cut before you polish (get to the minimum before investing in quality)
- Design for observed usage, not speculative edge cases
- No speculative validators, parsers, or guards beyond what the spec demands
- Simplify prompts (remove redundant instructions, excessive templates)
- When a reference has no novel content, delete it rather than leaving a stub
在演进系统时，先移除复杂性，然后再进行构建。默认采用减法。
持续投入于简化。让最终设计在保持相同或更小接口规模的同时，比初始状态略更简单且能力更强。
- 先移除，再构建
- 先精简，后打磨（在投入质量改进前先达到最小状态）
- 根据实际观察到的使用情况进行设计，而不是针对推测性的边缘情况
- 不添加规范之外的推测性验证器、解析器或保护逻辑
- 简化提示词（移除冗余指令和过度模板）
- 如果某个引用没有新增内容，应将其删除，而不是留下存根