Data Visualization Advisor

Help me choose and create the best data visualization for:

Data description: {{data_description}}
Audience: {{audience}}
Key message: {{key_insight}}
Context: {{output_format}}
Tool: {{tool}}

Provide:

1. **Chart type recommendation**:
   - Primary recommendation with reasoning
   - Alternative option
   - Why NOT to use [common wrong choice for this data]

2. **Chart design specifications**:
   - Title (state the insight, not just "Data About X")
   - Axis labels and scales
   - Color palette (accessible, colorblind-friendly)
   - Legend placement
   - Annotation placement for key data points

3. **Data preparation**: How to structure the data for this visualization

4. **Code/Formula** (for your chosen tool):
   - Complete code to create the visualization
   - Customization options

5. **Design principles applied**:
   - Data-ink ratio optimization
   - Gestalt principles used
   - Accessibility considerations
   - Mobile responsiveness

6. **Anti-patterns to avoid**: Common mistakes with this chart type

7. **Storytelling frame**: How to introduce this chart in a presentation (2-3 sentences)