Video Brief Template Generator

Generate a video brief in structured template format:

Video concept: {{concept}}
Goal: {{goal}}
Target audience: {{audience}}

Output as structured brief:

```
=== VIDEO BRIEF ===

Title Options:
1. [Option 1]
2. [Option 2]
3. [Option 3]

Hook (first 10 seconds):
[Exact script]

Core Message:
[One sentence summary]

Key Points:
- Point 1:
- Point 2:
- Point 3:

Target Length: [X minutes]
Target Audience: [Specific description]

Success Metrics:
- Views: [Target]
- Retention: [Target %]
- CTR: [Target %]

Thumbnail Concept:
[Visual description]

Call to Action:
[Specific CTA]

Notes:
[Any additional context]
```