Add Weco integration docs

[aliroberts]

Summary

Weco's Langfuse integration lets you optimize code against Langfuse datasets using both local code evaluators and managed LLM-as-a-Judge evaluators.

This PR adds a Weco integration to Langfuse docs, including:

1. A dedicated integration page under Integrations → Other
2. A cookbook notebook entry under Guides → Cookbook
3. Routing and nav wiring so both pages are discoverable

Why this belongs in Langfuse docs

• Weco users run evaluations on Langfuse datasets and managed evaluators.
• The integration creates Langfuse experiment runs per optimization step.
• This is a concrete interoperability workflow between two tools and fits the integrations section. Category choice: integrations/other (not frameworks), consistent with tool/platform-style integrations.

What changed

New content

• cookbook/integration_weco.ipynb
• content/integrations/other/weco.mdx
• content/guides/cookbook/integration_weco.mdx
• public/images/integrations/weco_icon.svg

Navigation / routing updates

• content/integrations/other/meta.json
  • Added weco slug
• cookbook/_routes.json
  • Added route for integration_weco.ipynb
  • docsPath: "integrations/other/weco"
  • isGuide: true (required so it appears in Guides → Cookbook)
• content/guides/cookbook/meta.json
  • Added integration_weco slug so cookbook index includes it

Validation performed

• Confirmed integration_weco is reachable in both locations:
  • /integrations/other/weco
  • /guides/cookbook/integration_weco
• Confirmed nav wiring:
  • Integrations sidebar includes Weco
  • Cookbook index includes integration_weco
• Confirmed no linter issues on touched files.

Links

• Weco docs: https://docs.weco.ai/
• Weco repo: https://github.com/WecoAI/weco-cli

FYI @hassiebp

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Project	Deployment	Actions	Updated (UTC)
langfuse-docs	Ready	Preview, Comment	Mar 25, 2026 3:19pm