Refactor logging

[daniel-richter]

Refactor PR summary logging to group diff retrieval for better readability

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This change updates the logging output when retrieving PR diffs by replacing a simple info message with a collapsible group format, making the log output more organized and easier to read in GitHub Actions workflows.

Walkthrough

• Chore: Enhanced logging structure by wrapping diff retrieval information in a collapsible group format instead of a plain info message, improving readability of GitHub Actions output for developers reviewing workflow logs.

_{Model: anthropic--claude-4-sonnet | Prompt Tokens: 444 | Completion Tokens: 93}

[github-actions]

This change updates how PR diff logs are grouped in the Actions UI by replacing a standalone info message with a startGroup call, improving readability of related logs.

Walkthrough

• Refactor: Replace core.info with core.startGroup when fetching PR diffs to group subsequent log lines in the GitHub Actions console.
• Style: Remove extraneous blank line for cleaner code.

_{Model: o4-mini | Prompt Tokens: 383 | Completion Tokens: 229}

[github-actions]

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_{Model: o4-mini | Prompt Tokens: 805 | Completion Tokens: 3047}

[github-actions]

Here's a supportive code review enhanced by AI assistance. These observations offer suggestions and insights that may help improve your work. Please consider them as guidance rather than absolute requirements, and feel free to apply what feels most valuable to your project. You remain in complete control of your code decisions—AI simply provides additional perspective to support your development process.
_{Model: anthropic--claude-4-sonnet | Prompt Tokens: 916 | Completion Tokens: 581}