curl --request POST \
  --url https://zeus-api.agentspro.cn/scheduled-task/sync \
  --header 'X-Internal-Secret: your-secret' \
  --header 'Content-Type: application/json' \
  --data '{
    "action": "add",
    "task_id": "task_123",
    "task": {
      "id": "task_123",
      "user_id": "user_456",
      "title": "每日邮件摘要",
      "prompt": "检查收件箱并生成今日邮件摘要",
      "repeat_type": "daily",
      "scheduled_time": "09:00",
      "timezone": "Asia/Shanghai"
    }
  }'

{
  "success": true,
  "action": "add",
  "task_id": "task_123"
}