Sam Brenner

[MLOB-1524] feat(llmobs): introduce LLM Observability SDK

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### What does this PR do? Introduces an LLM Observability SDK into the tracer, with its own tracing API extending the core tracer, and span tagging and processing functionality to...

[MLOB-1326] Add Node.js LLM Observability SDK docs

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### What does this PR do? What is the motivation? Adds Node.js SDK documentation for LLM Observability ### Merge instructions - [ ] Please merge after reviewing ### Additional notes

Streamed responses incompatible with multiple choices (`n>1`)

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### Checked other resources - [X] I added a very descriptive title to this issue. - [X] I searched the LangChain documentation with the integrated search. - [X] I used...

DOC: <Issue related to /docs/integrations/callbacks/datadog_tracer/>

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### Checklist - [X] I added a very descriptive title to this issue. - [X] I included a link to the documentation page I am referring to (if applicable). ###...

fix(esbuild): call the hook function properly in the bundler register

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### What does this PR do? Calls the hook function properly in `bundler-register.js` - it's possible for a hook to be an object with a hook function, and not always...

wip(vercel-ai): add vercel ai integration

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### What does this PR do? Adds support for `[email protected]` and greater. The [Vercel AI SDK](https://www.npmjs.com/package/ai) provides OTel tracing of their operations under the hood. This gives us a nice...

feat(langchain, llmobs): expand langchain support for tools and vectorstores

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### What does this PR do? Declares instrumentation for langchain's `StructuredTool` (from what I could tell is the base class for all langchain tools in Node.js) and `VectorStore` (the base...

wip(ci): upgrade nock dev dependency

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### What does this PR do? ### Motivation ### Plugin Checklist - [ ] Unit tests. - [ ] Integration tests. - [ ] Benchmarks. - [ ] TypeScript [definitions][1]....

feat(openai): support openai v5

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### What does this PR do? With the release of OpenAI v5, the only thing we needed to account for was some `del` methods changing their name to `delete`. Otherwise,...

wip(openai): trying to convert openai to use orchestrion

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### What does this PR do? ### Motivation ### Plugin Checklist - [ ] Unit tests. - [ ] Integration tests. - [ ] Benchmarks. - [ ] TypeScript [definitions][1]....