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Created by pull[bot] (v2.0.0-alpha.4)

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Summary by cubic

Adds agent/model routing docs and samples for @google/adk (TypeScript), introduces cancelable runs with AbortSignal, and readds metrics docs. Updates API references to 1.32.0 and improves links, navigation, and site styling.

• New Features

  • Agent routing: RoutedAgent (experimental) with basic, fallback, planning mode, and auto-routing examples.
  • Model routing: RoutedLlm (experimental) with failover and basic usage example.
  • Cancel agent runs: AbortController/AbortSignal docs with basic, timeout, combined-signal, and custom-tool examples.
  • Observability metrics (Python v1.32.0): OpenTelemetry GenAI metrics with OTLP and Google Cloud export setup.

• Docs & Site

  • Bump CLI and REST docs to 1.32.0; add pageNumber to REST schema; switch API reference links to absolute URLs.
  • Cloud Run guide: add Cloud Build permission prerequisite.
  • Ambient agents: clearer intro; runtime index links for Ambient and Cancel pages.
  • CSS: stabilize scrollbar layout; refine header source links; clean homepage CSS.
  • Link checking: accept 429, increase timeout, clarify .lycheeignore.
  • Navigation: add Agent routing, Model routing, Cancel Agent Runs, and Metrics pages; link routing from Agents/Models indices.

^{Written for commit f6b1259. Summary will update on new commits.}