Domain Modeling Actively build and sharpen the project's domain model as you design. This is the active discipline — challenging terms, inventing edge-case scenarios, and writing the glossary and decisions down the moment they crystallise. (Merely reading the glossary for vocabulary is not this skill — that's a one-line habit any skill can do. This skill is for when you're changing the model, not just consuming it.) The domain model lives in two places: - Glossary — , one markdown file per term, in the format expects (see below). Never a root . - Decisions — ADRs in , per the skill. Glossary…