INTERACTION FLOW · CUSTOMER × SYSTEM × VENDOR
Sound draws attention; visual prompts and gestures carry the order; both sides confirm before moving on.
Initiates and selects
Detects, prompts and confirms
Notices, observes and responds
The customer approaches the stall and speaks or makes a short sound.
The microphone detects nearby speech without storing a recording.
The vendor feels the haptic alert and turns toward the customer.
The customer sees a simple instruction for the next gesture.
The display presents clear pictograms and large selectable options.
The vendor can follow the same prompt and anticipate the response.
Select the soup base, spice level and quantity using prompted gestures.
The camera recognizes the gesture, records the choice and switches interface.
The vendor can repeat or clarify a gesture when the customer hesitates.
The customer checks the visible summary and confirms with a simple gesture.
The screen shows the final order so both people see the same result.
The vendor confirms the order and begins preparation.
交互流程 · 顾客 × 系统 × 摊贩
声音用于吸引注意，视觉提示与手势完成点单，最后由双方共同确认。
发起沟通并完成选择
感知、引导并确认
注意、观察并回应
顾客走近摊位，通过说话或简短声音发起沟通。
麦克风感知附近语音，但不保存录音。
摊贩感受到振动，并将注意力转向顾客。
顾客看到简单说明，了解下一步需要做出的手势。
屏幕展示清晰图形和尺寸较大的选项。
摊贩同步看到提示，并提前理解顾客即将回应的内容。
按照提示选择汤底、辣度与数量。
系统识别手势、记录选择，并进入下一项。
顾客犹豫时，摊贩可以重复手势或进一步解释。
顾客查看可视化订单摘要，并使用简单手势确认。
屏幕展示最终订单，确保双方看到同一信息。
摊贩确认订单，并开始准备商品。