{"service":"SAT 词汇自适应学习 API v2.0","endpoints":{"auth":["POST /api/auth/register","POST /api/auth/login","GET /api/auth/verify-email","POST /api/auth/resend-verify","POST /api/auth/forgot-password","POST /api/auth/reset-password","POST /api/auth/refresh-token"],"test":["GET /api/initial-test/words","GET /api/test/status","POST /api/test/submit"],"review":["GET /api/review/due","POST /api/review/grade","GET /api/review/stats","GET /api/review/heatmap","POST /api/review/start-new","POST /api/review/daily-checkin"],"user":["PUT /api/user/settings","GET /api/user/words","GET /api/user/me","DELETE /api/user/account","GET /api/user/export"],"payment":["GET /api/payment/status","POST /api/payment/create-checkout","POST /api/payment/webhook","POST /api/payment/cancel"],"push":["GET /api/push/vapid-public-key","POST /api/push/subscribe","POST /api/push/unsubscribe","POST /api/push/test"],"words":["GET /api/words/:word"],"system":["GET /health","GET /test-db"]}}