Day 3 — Data Storage and Basic Reporting
## 🎯 Goal
Persist processed data and send a **daily summary report** to stakeholders.

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## 🧩 Tasks

### 1. Set Up Data Destination
- Create a **Google Sheet** or **Database Table**:
Date | ProductID | TotalRevenue | UnitsSold | AvgSentimentScore

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### 2. Store Processed Data
- Add a **Google Sheets Node** after Python node.  
- Authenticate Google account.  
- Configure to **Append** new rows.  
- Map fields from Python output to sheet columns.

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### 3. Craft Summary Report
- Add a **Set Node** to create a summary message:
Daily Report: Top product by revenue was {{ $json.product_name }} with ${{ $json.total_revenue }} in sales.

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### 4. Send Report
- Add **Slack** or **Email Node**.  
- Send message to the appropriate channel/email list.

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## ✅ Deliverable
- Daily analysis appended to **Google Sheet**.  
- Formatted summary sent to Slack/email automatically.

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## 💡 Solution
- Historical data now stored.  
- Stakeholders receive a daily summary without manual effort.