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model: claude-opus-4-1
---

Modernize legacy code using expert agents:

1. legacy-modernizer: Analyze and plan modernization
2. test-automator: Create tests for legacy code
3. code-reviewer: Review modernization plan
4. python-pro/golang-pro: Implement modernization
5. security-auditor: Verify security improvements
6. performance-engineer: Validate performance

Target: $ARGUMENTS