Replace blind GitHub Search API topic-based discovery with a curated list of
7 high-quality skill repositories. Fetch SKILL.md frontmatter for real names
and descriptions, deduplicate by slug, and cap output at 300 skills.
- Rewrite fetch-featured-skills.mjs: curated repos list, Repos API + Trees API
+ Contents API, .env auto-loading, SKILL.md name/description extraction
- Add empty-result fallback in featured_skills.rs (skip to bundled JSON)
- Add .env.example for GITHUB_TOKEN
- Move requirements doc to docs/releases/v0.3.1/
API calls reduced from ~412 to ~314, output quality significantly improved.
Co-Authored-By: Claude Opus 4.6 <noreply@anthropic.com>