Claude PR Assistant workflow

[Matejkob]

🤖 Installing Claude Code GitHub App

This PR adds a GitHub Actions workflow that enables Claude Code integration in our repository.

What is Claude Code?

Claude Code is an AI coding agent that can help with:

• Bug fixes and improvements
• Documentation updates
• Implementing new features
• Code reviews and suggestions
• Writing tests
• And more!

How it works

Once this PR is merged, we'll be able to interact with Claude by mentioning @claude in a pull request or issue comment.
Once the workflow is triggered, Claude will analyze the comment and surrounding context, and execute on the request in a GitHub action.

Important Notes

• This workflow won't take effect until this PR is merged
• @claude mentions won't work until after the merge is complete
• The workflow runs automatically whenever Claude is mentioned in PR or issue comments
• Claude gets access to the entire PR or issue context including files, diffs, and previous comments

Security

• Our Anthropic API key is securely stored as a GitHub Actions secret
• Only users with write access to the repository can trigger the workflow
• All Claude runs are stored in the GitHub Actions run history
• Claude's default tools are limited to reading/writing files and interacting with our repo by creating comments, branches, and commits.
• We can add more allowed tools by adding them to the workflow file like:

allowed_tools: Bash(npm install),Bash(npm run build),Bash(npm run lint),Bash(npm run test)

There's more information in the Claude Code action repo.

After merging this PR, let's try mentioning @claude in a comment on any PR to get started!

[claude]

Claude finished @Matejkob's task —— View job

---

PR Review Complete ✅

I've reviewed the GitHub Actions workflows for Claude Code integration. Here's my comprehensive feedback:

Todo List:

• Read and analyze .github/workflows/claude-code-review.yml
• Read and analyze .github/workflows/claude.yml
• Evaluate code quality and best practices
• Check for security concerns
• Assess performance considerations
• Provide comprehensive review feedback

---

🔍 Code Quality & Best Practices

Strengths:

• Clean, well-structured YAML with proper indentation
• Appropriate use of official actions (actions/checkout@v4, anthropics/claude-code-action@beta)
• Clear naming conventions for jobs and steps
• Good separation of concerns between automated reviews and interactive Claude

Recommendations:

• Consider adding workflow-level timeout-minutes to prevent stuck jobs
• Add name fields to all steps for better logging visibility

🔒 Security Review

Strong Security Posture:

• ✅ Proper use of secrets via ${{ secrets.CLAUDE_CODE_OAUTH_TOKEN }}
• ✅ Well-scoped permissions (read-only for most, id-token: write for auth)
• ✅ Uses pinned action versions
• ✅ No hardcoded secrets or sensitive data

Minor Security Considerations:

• The actions: read permission in claude.yml:26 is correctly documented as needed for CI results
• Both workflows appropriately limit permissions to minimum required

⚡ Performance Considerations

Optimizations in Place:

• ✅ fetch-depth: 1 for efficient shallow clones
• ✅ Well-defined triggers to avoid unnecessary runs
• ✅ Conditional logic in claude.yml prevents accidental executions

Suggestions:

• Consider adding paths filter to claude-code-review.yml for Swift-specific changes:

  paths:
    - "Sources/**/*.swift"
    - "Tests/**/*.swift"
    - "Package.swift"

🐛 Potential Issues

Configuration Concerns:

1. Missing Swift-specific tools (claude.yml:53): Consider uncommenting and adding:

   allowed_tools: "Bash(swift build),Bash(swift test),Bash(swift format)"

2. Commented configurations: While the extensive comments are educational, consider:

   • Moving complex examples to documentation
   • Keeping only relevant commented options

Technical Issues:

• No significant bugs detected
• Trigger conditions are properly structured
• Event handling logic is sound

📝 Swift-Spyable Specific Recommendations

Based on the CLAUDE.md file, consider:

1. Add Swift-specific allowed tools:

   allowed_tools: "Bash(swift build),Bash(swift test),Bash(swift format --recursive --in-place ./Package.swift ./Sources ./Tests ./Examples)"

2. Custom instructions for the project:

   custom_instructions: |
     This is a Swift macro library. When reviewing code:
     - Focus on macro implementation correctness
     - Check for proper SwiftSyntax usage
     - Verify generated code compiles and follows Swift conventions
     - Ensure polymorphism support works correctly

3. Consider filtering paths in claude-code-review.yml:

   paths:
     - "Sources/**"
     - "Tests/**"
     - "Package.swift"
     - "Examples/**"

💡 Overall Assessment

This is a well-implemented Claude Code integration that follows GitHub Actions best practices. The workflows are secure, performant, and properly configured. The separation between automated reviews and interactive Claude is smart.

Recommendation: ✅ Approve with minor enhancements

The workflows are production-ready as-is, but would benefit from the Swift-specific customizations mentioned above for optimal performance in this codebase.

---

[codecov]

Codecov Report

✅ All modified and coverable lines are covered by tests.
✅ Project coverage is 95.58%. Comparing base (ed93fe6) to head (59f68ad).
⚠️ Report is 2 commits behind head on main.

Additional details and impacted files

@@           Coverage Diff           @@
##             main     #147   +/-   ##
=======================================
  Coverage   95.58%   95.58%           
=======================================
  Files          22       22           
  Lines        1335     1335           
=======================================
  Hits         1276     1276           
  Misses         59       59           

☔ View full report in Codecov by Sentry.
📢 Have feedback on the report? Share it here.

🚀 New features to boost your workflow:

• ❄️ Test Analytics: Detect flaky tests, report on failures, and find test suite problems.