feat(langchain): implement callback-based instrumentation with auto-injection#649

Merged

nirga merged 17 commits intomainfrom

feat/langchain-callback-instrumentation

Aug 18, 2025

Commits on Aug 17, 2025

feat(langchain): implement callback-based instrumentation with auto-injection

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fix: resolve lint errors and warnings

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fix: update test assertions for callback-based instrumentation

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fix: resolve require() issue and apply prettier formatting

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refactor: simplify to single span per chat model call

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refactor: make handleLLMStart consistent with handleChatModelStart

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feat: add response model attribute for complete semantic coverage

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fix: correct span naming to match Python implementation

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fix: apply prettier formatting to LangChain instrumentation

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refactor: remove debug console.log statements

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fix: add eslint disable for require() in TypeScript build

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fix: resolve TypeScript build error with @types/node

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chore: update pnpm lockfile after adding @types/node

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fix: correct Cohere response parsing for finish_reason

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Commits on Aug 18, 2025

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