github-actions-docs

GitHub Actions questions are easy to answer from stale memory. Use this skill to ground answers in official GitHub documentation and return the closest authoritative page instead of generic CI/CD advice. ## When to Use Use this skill when the request is about: - GitHub Actions concepts, terminology, or product boundaries - Workflow YAML, triggers, jobs, matrices, concurrency, variables, contexts, or expressions - GitHub-hosted runners, larger runners, self-hosted runners, or Actions Runner Controller - Artifacts, caches, reusable workflows, workflow templates, or custom actions - Secrets, `GITHUB_TOKEN`, OpenID Connect, artifact attestations, or secure workflow patterns - Environments, deployment protection rules, deployment history, or deployment examples - Migrating from Jenkins, CircleCI, GitLab CI/CD, Travis CI, Azure Pipelines, or other CI systems - Troubleshooting workflow behavior when the user needs documentation, syntax guidance, or official references Do not use this skill for: - A specific failing PR check, missing workflow log, or CI failure triage. Use `gh-fix-ci`. - General GitHub pull request, branch, or repository operations. Use `github`. - CodeQL-specific configuration or code scanning guidance. Use `codeql`. - Dependabot configuration, grouping, or dependency update strategy. Use `dependabot`. ## Workflow ### 1. Classify the request Decide which bucket the question belongs to before searching: - Getting started or tutorials - Workflow authoring and...