Add indexed history search across iOS and web

web/src/lib/api.ts

@@ -33,7 +33,9 @@ export type SearchWorkspaceItem = SearchSummary & {
   type: "search";
 };
 
-export type WorkspaceItem = ChatWorkspaceItem | SearchWorkspaceItem;
+export type WorkspaceItem = (ChatWorkspaceItem | SearchWorkspaceItem) & { searchSnippet?: string | null };
+
+export type WorkspaceSearchResponse = { items: WorkspaceItem[]; hasMore: boolean };
 
 export type Message = {
   id: string;
@@ -272,6 +274,10 @@ export async function listWorkspaceItems() {
   return data.items;
 }
 
+export function searchWorkspaceItems(query: string, signal?: AbortSignal) {
+  return api<WorkspaceSearchResponse>(`/v1/workspace-items?${new URLSearchParams({ q: query })}`, { signal });
+}
+
 export async function verifySession() {
   return api<{ authenticated: true; mode: "open" | "token" }>("/v1/auth/session");
 }