Note

Adds Braintrust observability docs (en, ko, pt-BR) and updates navigation to include them.

• Observability Docs:
  • New pages: en/observability/braintrust, pt-BR/observability/braintrust, ko/observability/braintrust.
  • Navigation: Added Braintrust entries to docs/docs.json under each language's Observability section.
• Content highlights:
  • Install dependencies and set environment variables (BRAINTRUST_API_KEY, BRAINTRUST_PARENT, OPENAI_API_KEY).
  • Initialize OpenTelemetry with BraintrustSpanProcessor, CrewAIInstrumentor, and OpenAIInstrumentor.
  • Example CrewAI app with agents, tasks, and sequential process; run and view traces (Trace, Timeline, Thread views).
  • Eval SDK usage with Eval and Levenshtein for offline experiments.
  • Key features, version compatibility, and references included.

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