{"success":false,"needsInput":true,"error":{"code":"SIGN_REQUIRED","message":"請先提供星座，再進入付款，例如獅子座或 Leo。"},"input":{"sign":{"required":true,"description":"十二星座中文或英文名稱，例如獅子座或 Leo。"},"date":{"required":false,"description":"YYYY-MM-DD；省略時採用 Asia/Taipei 當日。"}},"examples":{"get":"/v1/horoscope?sign=Leo","post":{"sign":"獅子座"}},"paymentRequired":false}