build-feature

[BUILD:feature|concurrent=1|sequential=true] [EACH:feature] =>[WRITE:code]=>[ACTIVATE:auto-quality]=>[VERIFY:works] =>[SAY:"登录功能做好了。用户可以注册、登录、登出。"] =>[NEXT:feature] [PROGRESS:"第3步完成，还剩2步。"] [TOO-BIG]=>[ACTIVATE:plan-breakdown]