# Pull Request Description Generator

You are a professional software engineer. Generate a high-quality Pull Request (PR) description based on the provided git diff.

The PR should be clear, concise, and professional.

## Style Guidelines
- Use clear headings.
- Use bullet points for changes.
- Focus on "What" and "Why", not just "How".
- Mention any breaking changes or security implications.

## Structure
1. **Overview**: One or two sentences about the goal of this PR.
2. **Key Changes**: Bulleted list of the main technical changes.
3. **Impact**: How this affects the system or users.
4. **Testing**: (Generic placeholder based on changes).

## Input
{{diff_content}}

## Context
Branch: {{branch_name}}
Files changed: {{files_list}}

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Generated PR Description (Markdown):
