[TypeSpec] Generate SDK for TypeSpec project azure-rest-api-specs/tree/main/specification/containerservice/resource-manager/Microsoft.ContainerService/fleet

## SDK generate request for TypeSpec project azure-rest-api-specs/tree/main/specification/containerservice/resource-manager/Microsoft.ContainerService/fleet

Request to generate SDK by Copilot. **Do not release SDK**
SDK will be released later by service owner.

**Release Plan**: [2135](https://web.powerapps.com/apps/821ab569-ae60-420d-8264-d7b5d5ef734c?release-plan-id=680b0a4b-ba27-f111-8341-000d3a5c46b0)
**TypeSpec project path**: azure-rest-api-specs/tree/main/specification/containerservice/resource-manager/Microsoft.ContainerService/fleet
**API spec pull request link**: [https://github.com/Azure/azure-rest-api-specs/pull/39498](https://github.com/Azure/azure-rest-api-specs/pull/39498)
**SDK release type**: Beta
**API spec version**: 2026-02-01-preview
**Spec Type**: TypeSpec
**Language**: Java,Go,.NET,Python,JavaScript
**Release plan work item ID**: 33518

**Contacts**:
ftran

**Notes**:
SDK is generated by GitHub agent workflow

Generate SDK for the TypeSpec project and update the generated SDK details in the release plan using release plan work item. Generate a summary and update it back in the linked GitHub issue once SDK pull requests are generated.

Start with the TypeSpec project at specification/containerservice/resource-manager/Microsoft.ContainerService/fleet and review API spec pull request 39498. Follow the GitHub agent workflow described in the issue to generate SDK pull requests for Java, Go, .NET, Python, and JavaScript; done means the generated SDK details and summary are updated in the release plan and issue.

Written by the indexing model from the issue text.