* docs: add cursor rule for embedding generation process
Add documentation for cursor IDE about how docs embeddings are generated,
including the workflow for creating and uploading semantic search content.
* feat: improve API reference metadata upload with descriptive content
- Add preembeddings script to run codegen before embedding generation
- Enhance OpenApiReferenceSource to generate more descriptive content including
parameters, responses, path information, and better structured documentation
* feat: add Management API references to searchDocs GraphQL query
- Add ManagementApiReference GraphQL type and model for API endpoint search results
- Integrate Management API references into global search results
- Update test snapshots and add comprehensive test coverage for Management API search
* style: format
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