Sentiment Shift Detector Identify stocks where blogger sentiment has changed significantly. Triggers - "情绪变化最大的股票" - "谁转向了" - "sentiment shift" - "who changed their mind" - "态度转变" - Instructions When the user wants to find sentiment shifts, follow these steps: 1. Get Multi-Day Summaries Call for recent dates (today, yesterday, a few days ago) to compare sentiment over time. 2. Identify Changed Tickers Compare the summaries to find: - Stocks that moved from bullish to bearish - Stocks that moved from bearish to bullish - Stocks with increased/decreased mentions 3. Get Detailed Sentiment For ti…