feat: add GroundRoute web search integration#3479
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Add the groundroute-haystack package (scaffolded via scripts/create_new_integration.py): GroundRouteWebSearch, a web-search component for GroundRoute, a meta search layer over six engines (Serper, Brave, Exa, Tavily, Firecrawl, Perplexity) with price-based routing and failover. Component lives under the namespace package haystack_integrations.components.websearch.groundroute, with run + run_async, to_dict/from_dict, and httpx-only dependencies. Includes the scaffold-generated CI workflow, labeler, coverage, and root README registrations. Co-Authored-By: Claude Opus 4.8 (1M context) <noreply@anthropic.com>
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Add @pytest.mark.integration tests (sync + async) that hit the live GroundRoute API, skipped when GROUNDROUTE_API_KEY is absent (mirroring tavily). This lets the integration CI step collect at least one test and exit 0 instead of exit 5 (no tests collected) when no key is configured. Co-Authored-By: Claude Opus 4.8 (1M context) <noreply@anthropic.com>
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What
Adds a
groundroute-haystackintegration: aGroundRouteWebSearchcomponent (Web Search type, mirroring the Tavily / SerperDev pattern). GroundRoute is a meta search layer, one API in front of six engines (Serper, Brave, Exa, Tavily, Firecrawl, Perplexity), routing each query to the cheapest engine that clears a quality bar and failing over if one is down.Why
A drop-in, opt-in multi-engine web-search option for Haystack pipelines, useful for high-volume retrieval where single-engine cost, rate limits, or outages are a pain. It's selected like any other websearch component.
Details
groundroute-haystackunderintegrations/groundroute/, namespacehaystack_integrations.components.websearch.groundroute.httpxonly, no other new dependencies.to_dict/from_dictserialization;Secret.from_env_var("GROUNDROUTE_API_KEY").ruff+mypyclean.integrations/tavily).Notes