AI 不会拯救你的开发流程。重建它才会。
The entire modern software lifecycle was built around one fundamental solution: writing code is extremely slow and expensive. So every habit that followed made sense. Design before building. Specs before coding—stakeholder alignment before a developer writes a single line. Protect the code from uncertainty at all costs.
整个现代软件生命周期都是围绕一个基本解决方案构建的：编写代码极其缓慢且昂贵。因此，随之而来的每一个习惯都合情合理。在构建前设计。在编码前写规格说明—利益相关者对齐在开发者写一行代码之前。不惜一切代价保护代码免受不确定性影响。
Then you ship. Adoption misses. Features that seemed obvious in a PRD confuse real users. You gather feedback, replan, and run the loop again. The process didn't fail you. It did exactly what it was designed to do: minimize the risk of writing wrong code in a world where code was expensive. That world no longer exists.
然后你发布。采用率未达预期。在 PRD 中看似明显的功能让真实用户困惑。你收集反馈，重新规划，并再次运行循环。该过程并没有让你失望。它完全按照设计那样做：在代码昂贵的时代最小化编写错误代码的风险。那个时代已经不复存在。
The bottleneck was never the code
瓶颈从来不是代码
AI systems can now turn ideas into working code in seconds. Anyone can direct them, though today, mostly only developers do so on real production systems.
AI 系统现在可以将想法在几秒钟内转化为可工作的代码。任何人都可以指导它们，尽管目前主要只有开发者在真实的生产系统中这样做。
The step that used to limit everything now moves faster than the rest of the workflow. And yet most teams changed almost nothing. They inserted AI into the coding phase and left the surrounding process intact. The flow still looks familiar: plan, design, spec, meet, then code.
曾经限制一切的步骤现在比工作流程的其他部分更快。然而，大多数团队几乎没有改变任何东西。他们将 AI 插入编码阶段，并保持周围过程不变。流程仍然看起来很熟悉：计划、设计、规格、会议，然后编码。
Here's what the data says about that approach:
数据对这种方法有何说法：
- AI coding makes developers about 26% faster (MIT)
- AI 编码让开发者快约 26%（MIT）
- Coding is only 16% of a developer's week (IDC/Atlassian)
- 编码仅占开发者一周时间的 16%（IDC/Atlassian）
- Active work is only 15 to 25% of the idea-to-production timeline; the rest is waiting in queues and handoffs (Scrum)
- 实际工作仅占从想法到生产的 timeline 的 15% 到 25%；其余是等待队列和交接（Scrum）
You're speeding up a fraction of the process. Delivery barely moves. The constraint shifted. The workflow did not.
你只是在加速过程的一小部分。交付几乎没有进步。约束发生了变化。工作流程没有。