fix(ai-sdk): Add model mapping to azure

[nina-kollman]

Fixes: TLP-1863

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Important

Add Azure to AI SDK vendor mapping and test its transformation to Azure system.

• Behavior:
  • Add azure to VENDOR_MAPPING in ai-sdk-transformations.ts to map to Azure.
  • Add test case in ai-sdk-transformations.test.ts to verify transformation of azure provider to Azure system.
• Tests:
  • Add test for azure provider transformation in ai-sdk-transformations.test.ts.
  • Ensure azure.chat, azure.completions, and azure are correctly transformed.

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Summary by CodeRabbit

• New Features
  • Added Azure vendor provider support. Azure-specific provider identifiers are now properly recognized and normalized in LLM tracing workflows. This enhancement improves data accuracy and service compatibility when instrumenting applications integrated with Azure-based AI and language model services.

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📥 Commits

Reviewing files that changed from the base of the PR and between ddb1241 and 4a1e238.

📒 Files selected for processing (2)

• packages/traceloop-sdk/src/lib/tracing/ai-sdk-transformations.ts
• packages/traceloop-sdk/test/ai-sdk/ai-sdk-transformations.test.ts

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📝 Walkthrough

Walkthrough

This change adds Azure vendor prefix recognition to the AI SDK tracing transformations and extends test coverage to validate Azure-specific provider string transformations and normalization.

Changes

Cohort / File(s)	Summary
Azure Vendor Mapping packages/traceloop-sdk/src/lib/tracing/ai-sdk-transformations.ts	Added "azure" vendor prefix mapping to VENDOR_MAPPING, enabling recognition of Azure as a vendor in AI SDK tracing transformations.
Azure Provider Tests packages/traceloop-sdk/test/ai-sdk/ai-sdk-transformations.test.ts	Added test case validating transformation of Azure provider strings ("azure.chat", "azure.completions", "azure") to provider name "azure" with system "Azure", confirming removal of legacy "ai.model.provider" attribute.

Estimated code review effort

🎯 1 (Trivial) | ⏱️ ~3 minutes

Poem

🐰 Azure skies now clearly seen,
A rabbit maps what's in between,
One vendor joins the parsed array,
Tests confirm it works today!
Hops of joy for vendor play! ✨

🚥 Pre-merge checks | ✅ 3

✅ Passed checks (3 passed)

Check name	Status	Explanation
Description Check	✅ Passed	Check skipped - CodeRabbit’s high-level summary is enabled.
Title check	✅ Passed	The title 'fix(ai-sdk): Add model mapping to azure' directly describes the main change—adding Azure vendor mapping in the AI SDK transformation logic.
Docstring Coverage	✅ Passed	No functions found in the changed files to evaluate docstring coverage. Skipping docstring coverage check.

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✨ Finishing Touches

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• Create PR with unit tests
• Post copyable unit tests in a comment
• Commit unit tests in branch nk/azure_vendor

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