feat(EE): AI vector search (#1691)

* WIP

* AI module - init

* WIP

* sync

* WIP

* refactor naming

* new columns

* sync

* sync

* fix search bug

* stream response

* WIP

* feat embeddings sync

* refine

* Add workspaceId to page events

* refine

* WIP

* add translation string

* sync

* reset ai answer on query change

* hide AI search in cloud

* capture streaming error

* sync

apps/server/src/core/search/search.service.ts

@@ -62,7 +62,7 @@ export class SearchService {
       )
       .where('deletedAt', 'is', null)
       .orderBy('rank', 'desc')
-      .limit(searchParams.limit | 20)
+      .limit(searchParams.limit | 25)
       .offset(searchParams.offset || 0);
 
     if (!searchParams.shareId) {