Automated monthly photo-to-Mixtiles pipeline. Collects photos from a WhatsApp group, curates the best ones using vision, builds a multi-photo Mixtiles cart link, and sends it. Use when it's time for the monthly Mixtiles order, when asked to "run the monthly tiles", "collect family photos for tiles", or on the monthly cron trigger.

自动化的月度照片转Mixtiles流程。从WhatsApp群组中收集照片，利用视觉技术筛选最优图片，生成多图Mixtiles购物车链接并发送。在需要月度Mixtiles订单、收到“运行月度拼贴”、“收集家庭照片用于拼贴”指令，或触发月度定时任务时使用。