We need to produce a 2-3 sentence plain-text summary, objective, factual, no marketing language, no bullet points, no headings, no markdown formatting. At most 60 words. Must be plain text, no quotes. Must not wrap answer in quotes. So just output the summary. We need to explain what the skill does, what problem it solves, when to use it. The skill is about having consecutive hyphens in the name which should fail validation. So it's a skill that demonstrates validation failure? Probably it's a skill that checks that names with consecutive hyphens are invalid.