Container snapshots (4 cmdlets):
- Get-PveContainerSnapshot, New-PveContainerSnapshot
- Remove-PveContainerSnapshot, Restore-PveContainerSnapshot
- Service methods in ContainerService
- Pester unit tests
SDN subnet management (3 cmdlets):
- Get-PveSdnSubnet, New-PveSdnSubnet, Remove-PveSdnSubnet
- PveSdnSubnet model and NetworkService methods
- Pester unit tests
Also updates manifest (73 cmdlets), README cmdlet reference, and CHANGELOG.
Co-Authored-By: Claude Opus 4.6 (1M context) <noreply@anthropic.com>