Analysis: GitHub workflows already comply with minimum token permissions requirements

[Copilot]

Summary

After thorough analysis of all GitHub workflow files in the repository, I found that all workflows already comply with the OpenSSF Scorecard Token-Permissions requirements. No changes were needed.

Analysis Results

All 13 GitHub workflow files have proper root-level permissions configured:

✅ Files with standard permissions: contents: read format:

• ci.yml
• cmake_install.yml
• codeql-analysis.yml
• cppcheck.yml
• dependencies_image.yml
• fossa.yml
• iwyu.yml
• project_management_comment.yml
• project_management_issue_open.yml
• stale.yml
• clang-tidy.yaml

✅ Files with appropriate elevated permissions:

• benchmark.yml - Has contents: write, deployments: write (needed for publishing benchmark results)
• ossf-scorecard.yml - Has permissions: read-all (acceptable per OpenSSF requirements)

✅ Job-level permissions correctly implemented:

• CodeQL workflow has job-level security-events: write for analysis uploads
• Stale workflow has job-level issues: write, pull-requests: write for issue management
• Project management workflows have job-level issues: write for commenting

Compliance Verification

Each workflow file meets the OpenSSF Scorecard Token-Permissions check requirements:

1. ✅ Root-level permissions block present - All files have root-level permissions:
2. ✅ Minimal permissions - Most use contents: read, others have justified elevated access
3. ✅ Proper placement - All permissions blocks are correctly placed after the on: block
4. ✅ Job-level permissions - Used appropriately where elevated access is needed

The repository's security posture regarding GitHub Actions token permissions is already optimal and follows best practices.

Fixes #11.

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