- Replace minimal tabs with comprehensive API documentation
- Add fieldset-style containers with dashed borders per design system
- Document all 4 endpoints: send message, list, get, delete conversations
- Add authentication section with clear instructions
- Add parameter tables with types, defaults, and descriptions
- Document SSE event types for streaming responses
- Add conversation ID explanation section
- Use lowercase headings and monospace fonts per design guide
- Code examples in cURL, TypeScript, and Python