What's New
- cameraUpdate: New camera control element (replaces viewportUpdate, backward compatible)
- 4:3 viewport sizes: 5 standard sizes (S 400x300 → XXL 1600x1200) with font size warnings
- Rich examples: Photosynthesis diagram + full Claude.ai connector storyboard in cheat sheet
- Common mistakes guide: 5 tips distilled from iterative testing
- Dual endpoints: Supports both /mcp and /api/mcp
- Improved prompts: Camera-before-elements rule, padding guidance, flat camera size list