BigQuery Select * Cost Guard

About

**Save money and avoid accidental high-cost queries in BigQuery!**
    > BigQuery Cost Guard is a must-have tool for data engineers and analysts. It acts as a safety net, warning you before you run expensive queries.
   
**Features:**
    > *   **⚠️ Smart Warnings**: Detects `SELECT *` and warns you immediately.
    > *   **💰 Cost Threshold**: Set your own budget (e.g., 100 MB). You'll only be warned if the query cost exceeds this limit.
    > *   **🛑 Run Confirmation**: Blocks the "Run" button and shows a confirmation dialog if the cost is too high.
    > *   **⚡️ Real-time Cost Flashing**: Highlights the query cost in red to grab your attention.
    > *   **🔒 Privacy Focused**: Runs entirely locally in your browser. No data is sent to any server.