Exporters emit fa-solid/fa-brands/fa-regular classes through utils/fa-icon.ts; SocialLinks gets X/TikTok/Bluesky/Threads/Discord/Mastodon/Reddit/Telegram; the editor loads all.min.css + v4-shims (SRI) so editor chrome FA4 names work. Co-Authored-By: Claude Sonnet 5.5 <noreply@anthropic.com> Claude-Session: https://claude.ai/code/session_0185ukXgKV8v9BUrQWXSUW4P