Retention Graph Analyzer

Analyze this retention data and provide optimization insights:

Video title: {{video_title}}
Video length: {{video_length}}
Retention data points:
{{retention_data}}

Provide analysis:

1. **Drop-off Points**: Identify significant drops and hypothesize causes
2. **Engagement Peaks**: What caused viewers to stay/rewatch
3. **Intro Performance**: How does 0-30 seconds perform vs. benchmark?
4. **Mid-roll Danger Zones**: Where are natural exit points?
5. **End Screen Effectiveness**: Are viewers staying for CTA?

Recommendations:
- 3 specific edits to improve this video"s retention
- Structural changes for future videos
- A/B test ideas for similar content

Compare to {{niche}} benchmarks if possible.