[TypeSpec] Generate SDK for TypeSpec project https://github.com/Azure/azure-rest-api-specs/tree/main/specification/azurefleet

## SDK generate request for TypeSpec projecthttps://github.com/Azure/azure-rest-api-specs/tree/main/specification/azurefleet

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

**Release Plan**: [2186](https://web.powerapps.com/apps/821ab569-ae60-420d-8264-d7b5d5ef734c?release-plan-id=38b13ecc-163a-f111-88b4-000d3a3acd93)
**TypeSpec project path**: https://github.com/Azure/azure-rest-api-specs/tree/main/specification/azurefleet
**API spec pull request link**: https://github.com/Azure/azure-rest-api-specs/pull/42457
**Spec Type**: TypeSpec
**Language**: Java,Python,.NET,JavaScript,Go
**Release plan work item ID**: 33883
**Plane**: Management-Plane
**API version**: 2026-04-01-preview

**Contacts**: diyellap

**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/azurefleet and the linked API specification pull request #42457, then inspect the GitHub agent workflow used for SDK generation. Generate SDK pull requests for Java, Python, .NET, JavaScript, and Go, update release plan work item 33883, and post the generated summary back to this issue; do not release the SDK.

Written by the indexing model from the issue text.