[ENHANCEMENT] Add automated release workflow with semantic versioning

[kilodesodiq-arch]

Engineering Gap

No automated release pipeline. Manual versioning and deployment. No changelog generation, tag creation, or package publishing automation.

Codebase Evidence

• .github/workflows/: 6 CI pipelines, no release workflow
• package.json: manual version number

Risk Profile

Manual releases error-prone. Inconsistent versioning. No release artifacts generated.

Remediation Strategy

Add release workflow triggered on version tag push. Use semantic-release or custom script. Generate changelog, create GitHub release, publish Docker images.

Success Conditions

• Release workflow created
• Changelog auto-generated
• GitHub release created automatically
• Docker images tagged and published

Change Surface

New: .github/workflows/release.yml

Security Review

Ensure release secrets are managed via GitHub Secrets.

Completion Checklist

• Implementation completed
• Release workflow tested
• Ready for merge