Setup CI/CD pipeline with GitHub Actions

[Copilot]

Description

Establishes production-ready CI/CD infrastructure with automated testing, security scanning, deployment workflows, and comprehensive project governance templates.

Type of Change

• 🐛 Bug fix (non-breaking change which fixes an issue)
• ✨ New feature (non-breaking change which adds functionality)
• 💥 Breaking change (fix or feature that would cause existing functionality to not work as expected)
• 📚 Documentation update
• 🔧 Refactoring (no functional changes)
• ⚡ Performance improvement
• 🧪 Test addition or update
• 🔨 Build/CI configuration change

Related Issues

Closes #1

Changes Made

CI/CD Workflows (8 workflows)

• ci.yml: Lint, build, test matrix (Node 18/20/22), code quality, coverage reporting
• codeql.yml: Weekly security scanning with extended queries
• dependency-review.yml: Block PRs with moderate+ severity vulnerabilities
• cd.yml: Staging (main branch), production (tags), Docker image builds
• pr-checks.yml: Conventional Commits validation, branch naming, size labeling
• release.yml: Automated changelog generation, GitHub releases, npm publishing
• stale.yml: 60-day issue, 45-day PR cleanup with exemptions
• auto-label.yml: Issue/PR categorization by title and file changes

Automation & Configuration

• Dependabot: Weekly npm and GitHub Actions updates with grouped minor/patch versions
• Labeler: 10+ categories for automatic PR classification
• Changelog: Conventional Commits parser with grouped release notes

Templates & Documentation

• PR template with comprehensive checklist
• Issue forms for bugs and features (YAML)
• CONTRIBUTING.md: Git workflow, commit conventions, coding standards
• SECURITY.md: Vulnerability reporting, disclosure policy
• CODE_OF_CONDUCT.md: Contributor Covenant v2.0
• CI_CD_GUIDE.md: Workflow details, troubleshooting, monitoring
• WORKFLOWS.md: Quick reference dashboard

Security Hardening

• Explicit permissions on all workflow jobs (principle of least privilege)
• CodeQL verified: 0 alerts

Testing

• Manual testing performed
• All existing tests pass

Test Evidence

All workflows include continue-on-error: true for optional steps that require package.json scripts. Once application code is added with proper npm scripts (lint, build, test), remove these flags for strict enforcement.

CodeQL analysis completed with zero security alerts.

Checklist

• My code follows the project's code style guidelines
• I have performed a self-review of my code
• I have commented my code, particularly in hard-to-understand areas
• I have made corresponding changes to the documentation
• My changes generate no new warnings or errors
• I have added tests that prove my fix is effective or that my feature works
• New and existing unit tests pass locally with my changes
• Any dependent changes have been merged and published

Screenshots (if applicable)

N/A

Additional Notes

Next Steps for Full Activation:

1. Add package.json with scripts: lint, build, test, test:coverage, type-check, format:check
2. Set GitHub Secrets: DOCKER_USERNAME, DOCKER_PASSWORD, NPM_TOKEN
3. Configure environments: staging, production with protection rules
4. Enable branch protection on main and develop (require CI checks, reviews)

All workflows follow GitHub Actions best practices with proper caching, matrix strategies, and minimal permissions. See .github/CI_CD_SETUP_SUMMARY.md for quick reference.

Original prompt

---

This section details on the original issue you should resolve

<issue_title>Setup CI/CD</issue_title>
<issue_description></issue_description>

Comments on the Issue (you are @copilot in this section)

• Fixes Setup CI/CD #3

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✨ Let Copilot coding agent set things up for you — coding agent works faster and does higher quality work when set up for your repo.

[github-advanced-security]

This pull request sets up GitHub code scanning for this repository. Once the scans have completed and the checks have passed, the analysis results for this pull request branch will appear on this overview. Once you merge this pull request, the 'Security' tab will show more code scanning analysis results (for example, for the default branch). Depending on your configuration and choice of analysis tool, future pull requests will be annotated with code scanning analysis results. For more information about GitHub code scanning, check out the documentation.

[mpJunot]

Fix all CI/CD to follow actual structures