Train a WhatsApp Support Bot from Product Pages

## 🔴 STEP 2 – Product Data Training (Triggered by train:) Triggered when the message starts with train:. OpenAI API keys : Here 1. Extract URL from Message Uses regex to detect and extract the product link. 2. Fetch HTML Content Sends an HTTP request to retrieve the full page content. 3. Clean HTML Data Strips HTML tags, scripts, and formats the text. 4. Save Raw Product Info Appends the cleaned content and URL into Google Sheets. 5. AI: Enhance Product Details - Extracts Product Name - Detects Price (subscription or one-time) - Identifies Product Topic - Generates FAQs 6. Update Product Sheet Enriches the row in Sheets with structured product data.