Codegen updates for 2025-10

[jhamon]

Problem

Need to generate files off the updated spec

Generated code: API updates

• Admin API: Enhanced API keys and projects endpoints; added update operations
• DB Control API: Updated index management with new read capacity support
• DB Data API: Enhanced vector operations, namespace operations, and bulk operations
• Inference API: Updated embedding and reranking models
• OAuth API: Updated token request/response models

Test updates

• Made a few fixes in wrapper code to account for changes to generated names and shapes
• Fixed integration tests for admin, control, and data operations
• Updated unit tests for model changes
• Fixed namespace-related tests
• Updated index configuration tests