github-review

The server correctly uses environment variables for the GITHUB_TOKEN, which is good practice. No 'eval' or direct code execution vulnerabilities from user input were found. However, there is a significant functional flaw in `src/services/CodeAnalyzer.ts`: it attempts to authenticate with `https://api.githubcopilot.com` using the `GITHUB_TOKEN` which is intended for the standard GitHub API. GitHub Personal Access Tokens (PATs) are generally not valid for GitHub Copilot's API, meaning the core AI-powered analysis features will likely fail unless a different, compatible authentication method is manually configured or the code is modified. This is not a direct security vulnerability of the server's code, but a critical functional bug regarding authentication for a key feature. Additionally, if the AI generates malicious or incorrect recommendations, applying them to the codebase could introduce risks, though the server itself only generates comments and does not automatically apply fixes.