docs: translate full Chinese docs to English — match structure and content
- Rewrite index.mdx as proper getting started guide
- New: chat.mdx (modes, permissions, context management)
- New: skills.mdx (categories, marketplace, local skills)
- New: design-agent.mdx (single/batch image generation)
- New: gallery.mdx (browsing, filtering, detail view)
- Rewrite providers.mdx — CLI env auth, cc switch caveat, API Key vs
Auth Token, Chinese provider presets, model mapping, priority chain
- Rewrite mcp.mdx — three transport types, dual view modes
- Rewrite assistant-workspace.mdx — align with Settings > Assistant tab
- Rewrite faq.mdx — comprehensive Q&A
- Bridge split into 5 pages: overview + Telegram + Discord + Feishu + QQ
- Flatten single-page folders to remove sidebar expand arrows
- Update meta.json with new pages
Co-Authored-By: Claude Opus 4.6 <noreply@anthropic.com>
