New documentation pages:
- Authentication: API keys, JWT tokens, session auth, custom exceptions
- WebSocket Tutorial: echo server, chat room, HTML client, data formats
- Writing Middleware: hooks vs middleware, Starlette integration, ordering
- Configuration: env vars, .env files, secret keys, debug mode, production setup
Also:
- Complete working example at end of quickstart with cross-references
- Three new example files: rest_api.py, websocket_chat.py, sse_stream.py
- Changelog updated for v3.2.0
Co-Authored-By: Claude Opus 4.6 (1M context) <noreply@anthropic.com>
