Output-Format-by-Model — 让格式服务于任务，而不是反过来 One-liner : Different output formats carry different cognitive load for the model. Code-in-JSON is the canonical proof: the same model writes worse code when wrapped in a JSON tool-call than when emitted as plain text + diff. The reverse failure (asking for prose when you need a typed object) is just as common. Pick format per (task × consumer), not by reflex. --- 1. 何时激活 (When to activate) Activate this skill before committing to an output schema in any of these situations: | Trigger | Signal | |---|---| | Designing a coder-agent | "should the model r…