Search Unified

Run all search backends in parallel and return sectioned results.

Returns: { "query": str, "sections": { "dictionary": [...] # top-5 dict hits with /dict/ links "catalog": {...} # SearchResponse — top-10 metadata hits "content": {...} # ContentSearchResponse — top-5 body hits "semantic": {...} # SemanticSearchResponse — top-5 vector hits }, "facets": {...} # only with facets=true: catalog-section counts # per group (services/search_facets.py) "errors": { section_name: error_string, ... } }