// backend surface
api.davidwu.com
| GET | /api/stats | visitor stats |
| GET | /api/usage | llm token usage |
| POST | /api/chat | assistant ยท sse stream |
| GET | /api/chat/health | assistant readiness |
| GET | /api/health | service health |
api assistant
// backend surface
| GET | /api/stats | visitor stats |
| GET | /api/usage | llm token usage |
| POST | /api/chat | assistant ยท sse stream |
| GET | /api/chat/health | assistant readiness |
| GET | /api/health | service health |
api assistant