## Summary

<!-- Brief description of what this PR does -->

## Changes

<!-- List the key changes -->

-

## Type

- [ ] Bug fix
- [ ] New monitoring feature (read-only)
- [ ] Documentation
- [ ] Refactoring
- [ ] New AI platform support
- [ ] Other

## Read-Only Verification

- [ ] **No destructive operations** introduced (grep verified: zero results for power_on, power_off, delete_vm, create_vm, reconfigure, clone_vm, migrate_vm)

## Testing

<!-- How was this tested? -->

- [ ] Tested against vCenter
- [ ] Tested against standalone ESXi
- [ ] Unit tests added/updated
- [ ] Manual testing completed

## Security Checklist

- [ ] No hardcoded passwords or credentials
- [ ] No sensitive information in logs or output
- [ ] Uses `ConnectionManager.from_config()` for connections

## Related Issues

<!-- Link any related issues: Fixes #123, Closes #456 -->
