feat: add security-audit-agent by JS12540

[JS12540]

Agent Submission

Checklist

• Folder created at agents/<github-username>__<agent-name>/
• metadata.json follows the schema
• README.md included with description and usage
• icon.png included (optional, 256x256 PNG)
• Agent repository is public
• Repository contains valid agent.yaml
• Repository contains SOUL.md

Agent Details

• Name: security-audit-agent
• Repository: https://github.com/JS12540/security-audit-agent
• Category: Security
• Description: AI security engineer that audits code for OWASP Top 10 vulnerabilities, detects hardcoded secrets and credentials, and scans dependency files for known CVEs. Accepts a GitHub URL or local path — clones the repo, discovers and triages files by risk, scans every file, delivers a full structured report with severity, exact location, and working fixes, then permanently deletes the cloned repo from disk. Includes four skills: codebase-scanner, owasp-scanner, secrets-detector, and dep-auditor.

Additional Notes

None