docs: add semantic and hybrid search specification#53

Draft

adityamparikh wants to merge 3 commits intoapache:mainfrom

adityamparikh:docs/semantic-hybrid-search-spec

Commits on Feb 27, 2026

docs: add semantic and hybrid search specification

adityamparikh
and
claude
committed
docs: add VectorStoreFactory caching details to spec

adityamparikh
and
claude
committed

Commits on Mar 9, 2026

merge: sync with upstream/main (observability + docs)
adityamparikh
committed