Customize audit scope to compare branches or commit hashes

[jajanet]

Currently, /analyze only supports comparing the main branch to the current branch. This PR adds flexibility to also compare any given 2 branches or commits -- these changes are backwards-compatible

[github-actions]

🤖 Hi @jajanet, I've received your request, and I'm working on it now! You can track my progress in the logs for more details.

[github-actions]

📋 Review Summary

This Pull Request introduces the ability to customize the audit scope for the /analyze command, allowing users to compare specific branches or commit hashes. The changes are well-implemented, backward-compatible, and enhance the flexibility of the security analysis.

🔍 General Feedback

• The code changes are clean and adhere to the project's coding style.
• The addition of optional base and head parameters to getAuditScope and its corresponding tool definition is well-handled.
• The update to analyze.toml effectively communicates the new functionality to the LLM.

[github-actions]

📋 Security Analysis Summary

No security vulnerabilities were found in this pull request. The changes were reviewed and appear to be safe.

🔍 General Feedback

• The changes in this pull request are well-structured and easy to understand.
• The use of spawnSync with an array of arguments is a good security practice to prevent command injection.