- Add complete system architecture with Mermaid diagrams
- Document XEP Extension System architecture and lifecycle
- Include XEP-0077 In-Band Registration implementation details
- Cover bridge system, message flow, and data persistence
- Document XMPP client doctor tool with XEP testing capabilities
- Provide extension points and development workflow guidance
- Add comprehensive component documentation and code organization
🤖 Generated with [Claude Code](https://claude.ai/code)
Co-Authored-By: Claude <noreply@anthropic.com>
