feat(ai): pre-warm the vector namespace

apps/client/src/ee/ai/services/ai-search-service.ts

@@ -15,6 +15,14 @@ export interface IAiSearchResponse {
   }>;
 }
 
+export async function hintVectorCache(): Promise<void> {
+  try {
+    await api.post("/ai/vector-cache-hint");
+  } catch {
+    // best-effort cache hint
+  }
+}
+
 export async function aiAnswers(
   params: IPageSearchParams,
   onChunk?: (chunk: { content?: string; sources?: any[] }) => void,

apps/client/src/features/search/components/search-spotlight.tsx

@@ -13,11 +13,16 @@ import { SearchResultItem } from "./search-result-item.tsx";
 import { AiSearchResult } from "../../../ee/ai/components/ai-search-result.tsx";
 import { useHasFeature } from "@/ee/hooks/use-feature";
 import { Feature } from "@/ee/features";
+import { useAtomValue } from "jotai";
+import { workspaceAtom } from "@/features/user/atoms/current-user-atom.ts";
+import { hintVectorCache } from "@/ee/ai/services/ai-search-service.ts";
+import { getAiVectorDriver } from "@/lib/config.ts";
 
 interface SearchSpotlightProps {
   spaceId?: string;
 }
 export function SearchSpotlight({ spaceId }: SearchSpotlightProps) {
+  const workspace = useAtomValue(workspaceAtom);
   const { t } = useTranslation();
   const hasAiFeature = useHasFeature(Feature.AI);
   const hasAttachmentIndexing = useHasFeature(Feature.ATTACHMENT_INDEXING);
@@ -96,6 +101,15 @@ export function SearchSpotlight({ spaceId }: SearchSpotlightProps) {
     />
   ));
 
+  const handleSpotlightOpen = () => {
+    if (
+      workspace?.settings?.ai?.search === true &&
+      getAiVectorDriver() === "turbopuffer"
+    ) {
+      hintVectorCache();
+    }
+  };
+
   const handleFiltersChange = (newFilters: any) => {
     setFilters(newFilters);
   };
@@ -115,6 +129,7 @@ export function SearchSpotlight({ spaceId }: SearchSpotlightProps) {
       <Spotlight.Root
         size="xl"
         maxHeight={600}
+        onSpotlightOpen={handleSpotlightOpen}
         store={searchSpotlightStore}
         query={query}
         onQueryChange={setQuery}

apps/client/src/lib/config.ts

@@ -43,6 +43,10 @@ export function isCloud(): boolean {
   return castToBoolean(getConfigValue("CLOUD"));
 }
 
+export function getAiVectorDriver(): string {
+  return getConfigValue("AI_VECTOR_DRIVER");
+}
+
 export function getAvatarUrl(
   avatarUrl: string,
   type: AvatarIconType = AvatarIconType.AVATAR,