/build-skill Build one strong skill draft on purpose. This skill writes skills as operational briefs for capable senior engineers with no local context. Favor invariants, decision boundaries, evidence, and stop rules over shell choreography or ceremony. Args The args string should include: - the skill name - what the skill does - any modes, commands, or repo context that materially change the design If the request is underspecified, ask one clarifying question before proceeding. Core principles - Write for a capable senior engineer, not a shell automaton. - Frontmatter descriptions are for di…