Complete security audit of all project dependencies:
- Run govulncheck: No vulnerabilities found
- Run go mod verify: All modules verified
- Document 15 direct dependencies and 161 indirect
- Assess supply chain risks: Low risk overall
- Verify lock files are committed with integrity hashes
- Provide CI integration recommendations
Closes#185
Co-Authored-By: Claude Opus 4.5 <noreply@anthropic.com>