fix: use directory path for skills in plugin manifest

chore: gitignore build temp files from integrations directory

fix: remove 34 stale build temp files from integrations directory

feat: v2.2.0 — 8 new specialist commands, Draft book, website redesign

fix: port enhancements and bug fixes from codev to draft

fix(web): make website and book mobile-friendly

fix(web): align bento grid cards with dense flow and full-width capstone

feat(web): add guardrails.md card to architecture section, enhance pattern learning visibility

feat(web): migrate book from hash SPA to static path-based pages for SEO

fix(web): add GA4 to book page, restore full featureList from old root

feat(web): comprehensive SEO for landing page and book

fix(web): improve text contrast and readability across all cards

feat(web): light theme + SVG illustrations for entire site and book

fix(web): remove stale root index.html and "Free & Open Source" badges

feat(web): add Draft ebook with 22 chapters and 2 appendices