Constraint-Driven Development Overview Other skills in this pack describe what good looks like. gives you five axes. gives you a cycle. gives you a threat list. All of that lives in prose the agent reads and may or may not follow, and none of it survives the end of the session. This skill produces something different: a written record of this project's bar, with numbers, that outlives the conversation and can be checked mechanically. The reason matters. When you wrote the code, reading it told you whether it was any good. An agent writes more in an afternoon than you will read that week, so t…