douyin-viral-content 是做什么的？
A smart Douyin viral copy generator. Automatically triggered when users say "generate new copy", "create Douyin content", or "write short video copy". It automatically performs: (1) reads historical data analysis (2) applies 9 viral element optimizations (3) multi-dimensional scoring evaluation (4) iteratively optimizes until 5-star standard is reached (5) intelligently estimates view counts (6) outputs fully optimized copy. Fully automated, no manual specification of analysis or optimization tasks required.