查询 AI 自动翻译偏好 / Get AI auto-translation preferences
GET
/ugc/preferences
返回当前用户开启 AI 翻译的内容类型与首次使用提示状态。未登录时返回 loggedIn=false 且不翻译任何内容。Returns the caller's opted-in translation content types and first-use prompt state. For anonymous callers, loggedIn=false and nothing is translated.