skill: writing-skills tasks: - prompt: "Help me draft a new skill for scaffolding Fastify routes" grader: - the response invokes the writing-skills skill - the response produces a SKILL.md with proper frontmatter (name, description) - the response uses progressive disclosure (references/ for bulk) - the response uses gerund naming convention - prompt: "Design a skill that triggers when the user asks for a database schema review" grader: - the response invokes the writing-skills skill - the response writes a description with specific trigger phrases - prompt: "Recommend a JavaScript framework" grader: - the response does NOT invoke the writing-skills skill