docs: add language badges and metadata to cookbook and integration guides

[jannikmaierhoefer]

Important

Adds Python and JS/TS toggle links to Langfuse integration cookbooks for better navigation between language-specific examples.

• Behavior:
  • Adds Python and JS/TS toggle links to the top of each integration cookbook for Langchain, LiteLLM Proxy, OpenAI SDK, and Prompt Management in both Python and JS/TS.
• File Changes:
  • integration_langchain.md: Adds toggle links for Python and JS/TS.
  • integration_litellm_proxy.mdx: Adds toggle links for Python and JS/TS.
  • integration_openai_sdk.mdx: Adds toggle links for Python and JS/TS.
  • prompt_management_langchain.mdx: Adds toggle links for Python and JS/TS.
  • js_integration_langchain.mdx: Adds toggle links for Python and JS/TS.
  • js_integration_litellm_proxy.mdx: Adds toggle links for Python and JS/TS.
  • js_integration_openai.mdx: Adds toggle links for Python and JS/TS.
  • js_prompt_management_langchain.mdx: Adds toggle links for Python and JS/TS.
  • integration_anthropic.mdx: Adds toggle links for Python and JS/TS.

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Project	Deployment	Actions	Updated (UTC)
langfuse-docs	Error		Feb 11, 2026 5:39pm

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