[Python] TypeSpec migration for azure-mgmt-azurearcdata

[ChenxiJiang333]

[Python] TypeSpec Migration SDK Output for azure-mgmt-azurearcdata

This PR contains the generated Python SDK output comparing Swagger vs TypeSpec for the azure-mgmt-azurearcdata package, produced during the TypeSpec migration breaking change analysis.

Pre-migration Swagger Source

specification/azurearcdata/resource-manager @ 2fd80c47

Breaking Change Analysis

26 mitigated | 9 accepted

Mitigated Breaking Changes (via spec PR)

• Client renamed: AzureArcDataManagementClient -> AzureArcDataClient
• 14 enum member naming changes (DMS_CLI->DMSCLI, PER_DB->PERDB, AES_RC4->AESRC4, etc.)
• 11 model K8S->K8s case changes (K8SActiveDirectory, SqlManagedInstanceK8SRaw, etc.)

Accepted Breaking Changes (will remain)

• Databases.values -> values_property (Category 12: base method conflict)
• Operation.properties removed (Category 11: multi-level flattening)
• OperationOrigin deleted, replaced by common Origin (Category 6: common types upgrade)
• PageOfDataControllerResource deleted (Category 8: pageable model)
• ResourceAutoGenerated, TrackedResourceAutoGenerated deleted (Category 7: unreferenced models)
• SqlAvailabilityGroupDhcpListenerProperties, SqlServerInstanceBpaResponse, SqlServerInstanceTelemetryResponse deleted (Category 7: unreferenced models)

Spec Mitigation PR

https://github.com/Azure/azure-rest-api-specs-pr/pull/27681