feat: support creating workspace search data stores
feat: support batch get documents metadata by uri patterns
feat: return query segment in NL query understanding
feat: return joined status in user event
docs: keep the API doc up-to-date with recent changes
PiperOrigin-RevId: 670770678
feat: support search as you type feature
feat: allow set relevance threshold on search
feat: support import and purge autocomplete data
feat: populate more metadata in answer services
feat: allow providing language info in data stores
feat: add requirement service
feat: support import data from AlloyDB
feat: support add metadata for website uris
docs: keep the API doc up-to-date with recent changes
PiperOrigin-RevId: 658428107
feat: return relevance score for chunk based search (alpha only)
feat: support writing user events for blended engines
feat: support cancelling import operations
feat: add custom model list API
docs: keep the API doc up-to-date with recent changes
PiperOrigin-RevId: 638008355
feat: add standalone grounding API
feat: add project provision and terms APIs
fix!: remove some unused LRO metadata/response
docs: keep the API doc up-to-date with recent changes
PiperOrigin-RevId: 624207111
