Git push failed: The process '/usr/bin/git' failed with exit code 1

GitHub MCP guard policy automatically applied for public repository. min-integrity='approved' and repos='all' ensure only approved-integrity content is accessible.

Git push failed for protected-file modification - deferring to protected-file review issue

pushSignedCommits: GraphQL signed push failed, falling back to git push: Request failed due to following response errors: - Resource not accessible by integration

Protected file protection triggered (fallback-to-issue): .github/workflows/build-and-test.yml. Will create review issue instead of pull request.