Function parseSkillPaths

src/skills/loadSkillsDir.ts:159–178

* Parse paths frontmatter from a skill, using the same format as CLAUDE.md rules. * Returns undefined if no paths are specified or if all patterns are match-all.

(frontmatter: FrontmatterData)

 * Returns undefined if no paths are specified or if all patterns are match-all.
 */
function parseSkillPaths(frontmatter: FrontmatterData): string[] | undefined {
  if (!frontmatter.paths) {
    return undefined
  }

  const patterns = splitPathInFrontmatter(frontmatter.paths)
    .map(pattern => {
      // Remove /** suffix - ignore library treats 'path' as matching both
      // the path itself and everything inside it
      return pattern.endsWith('/**') ? pattern.slice(0, -3) : pattern
    })
    .filter((p: string) => p.length > 0)

  // If all patterns are ** (match-all), treat as no paths (undefined)
  if (patterns.length === 0 || patterns.every((p: string) => p === '**')) {
    return undefined
  }

  return patterns
}

/**
 * Parses all skill frontmatter fields that are shared between file-based and