docs: add comprehensive metadata and labels guide#121
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This was referenced Feb 13, 2026
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| ## OpenInference (Phoenix) | ||
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| If you're using [OpenInference](https://github.com/Arize-ai/openinference) instrumentation: |
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Co-Authored-By: Claude Opus 4.6 <noreply@anthropic.com>
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…ctions Adds both-language examples throughout the metadata guide: - Raw OpenTelemetry: added Python alongside existing TypeScript - Exporter config: added Python alongside existing TypeScript - REST API: added Python (requests) and TypeScript (fetch) alongside curl Co-Authored-By: Claude Opus 4.6 <noreply@anthropic.com>
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Summary
Adds a unified guide for sending metadata and labels to LangWatch, covering all integration methods.
What's Included
gen_ai.conversation.idas primary recommendationKey Decisions
gen_ai.conversation.idis the primary recommendation for thread/conversation ID (OTEL semconv aligned)langwatch.thread.idstill works but documented as legacymetadataattribute (JSON object)Verified
Tested against production API:
/api/collector) ✅/api/otel/v1/traces) ✅Related