应用: 快手
任务: 打开快手，去“快手小店”里搜索“小米15ultra”，购买第一个商品
操作步骤:
step_id: 0
action: CLICK
step_id: 1
action: CLICK
step_id: 2
action: CLICK
step_id: 3
action: CLICK
step_id: 4
action: TYPE
type_text: 小米15ultra
step_id: 5
action: CLICK
step_id: 6
action: CLICK
step_id: 7
action: CLICK