{"code":0,"message":"ok","data":{"service":"deyi-backend","version":"0.1.0","routes":["GET /","GET /health","GET /api/v1/admin/healthz (dev only)","POST /api/v1/auth/send-code","POST /api/v1/auth/login","GET /api/v1/auth/me","POST /api/v1/chat","POST /api/v1/chat/feedback","POST /api/v1/telemetry/events","GET /api/v1/admin/metrics/risk-alert?days=7 (dev only)","GET /api/v1/quota?date=YYYY-MM-DD","POST /api/v1/quota/consume","POST /api/v1/quota/rollback","GET /api/v1/profile","PUT /api/v1/profile","GET /api/v1/billing/subscription","POST /api/v1/billing/verify-ios-receipt","POST /api/v1/billing/activate-manual"]}}