Brand Guideline Compliance Checker

## Brand Compliance Checker
This workflow analyzes uploaded design assets using AI Vision.

**Setup:**
1. Configure the **Webhook** to receive a JSON body with `url` and `mimeType`.
2. Add your **OpenAI API Key** (GPT-4 Vision required).
3. Connect **Slack** for notifications.

**Logic:**
- Checks file type first.
- AI analyzes colors, logo placement, and fonts.
- Routes based on compliance score.