实现方案是三重降级：优先用 CDP（真实浏览器已登录账号的 cookie、指纹、人类随机浏览行为，降低 403 风险），然后降级到 yt-dlp（免费，功能强大），最后降级到 TikHub API（稳定，不受限流影响，每次约 0.002 美元）。加上 TLS 指纹模拟和 PO Token 机制来绕过风控。还有智能熔断器保护——下载器级别和 IP 级别各有独立的熔断机制，被动探测分级熔断，避免被彻底封掉。
The PLR website updates its product list daily. It currently offers over 10,000 products.
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Officially, Google says that the new schedule reflects the ever-changing web platform, and it wants to ensure developers have immediate access to the latest tools and improvements. However, the move comes at a time when Chrome is finally facing what could one day become real competition from AI model providers, who are trying to rebuild the browser for an agentic web, where more tasks are automated on users’ behalf.