TypeSafe 官方 Claude Code 技能：教 agent 正确写 Jev
一份教 Claude Code 按「文档→行为→判断→单次请求→代码决策」顺序写 Jev 的官方技能，含 11 条规则和 Choice/Noul/Score 选择指南，cookbook 里 13 个问题合并成一次调用后账单降到 1/12.2。
this is pure f*cking gold for anyone doing Jev engineering the skill that teaches Claude Code to build on Jev the right way, from TypeSafe themselves without it, coding agents send Jev one question at a time and guess the field names with it, the order is set before a single line gets written: docs -> behaviour -> judgments -> one request -> code decides the two-page breakdown of every rule: > the failure each of its 11 instructions is there to prevent > Choice, Noul or Score, picked at a glance > a prompt skeleton you paste straight into your agent 12.2x that's how far the bill fell in TypeSafe's cookbook when 13 questions went out in one call one short file, and your agent stops paying for decisions it should have batched
这条是引用着另一条写的：x.com/polydao/status/2104783226833186920