docs: add Kiro CLI integration page

[jannikmaierhoefer]

Adds a new integration page documenting how to enable Langfuse tracing for Kiro CLI using the community-maintained dhanpraja231/kiro-cli-langfuse hook handler.

Context: Discussion #12898.

What's included

• New cookbook notebook at cookbook/integration_kiro_cli.ipynb walking through:
  • prerequisites (Kiro CLI, Node.js 18+, Langfuse keys)
  • copying .kiro/agents/langfuse-observer.json and hooks/ into your project
  • installing the Node.js dependencies
  • configuring Langfuse credentials (EU/US/self-hosted)
  • activating the langfuse-observer agent (or merging its hooks field into an existing one)
  • optionally filtering by tool name with a matcher
  • what to expect in Langfuse (one trace per conversation, sessions grouped by cwd, generations for prompts, spans for tool use, completion scores)
• Routes entry in cookbook/_routes.json mapping the notebook to integrations/other/kiro-cli (category other, alongside other tool/UI integrations like LibreChat and Gradio).
• Logo at public/images/integrations/kiro_icon.svg, fetched from kiro.dev/icon.svg.

The notebook uses the markdown-only "setup-style" structure (similar to integration_librechat.ipynb) since the integration is a copy-and-configure flow rather than a Python pip install + instrumentation flow. The final cell pulls in integration-learn-more-js.mdx because the handler is Node.js based.

TODOs left for the page owner

• Replace the placeholder example trace screenshot at https://langfuse.com/images/cookbook/integration-kiro-cli/kiro-cli-example-trace.png with a real one.
• Replace the placeholder "Example trace in Langfuse" link with a real public trace URL.
• Run bash scripts/update_cookbook_docs.sh from the repo root once the placeholders are sorted (or before merging) to publish the rendered MDX.

  

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Project	Deployment	Actions	Updated (UTC)
langfuse-docs	Ready	Preview, Comment	May 7, 2026 9:59am

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