diff --git a/web/src/api/queries.ts b/web/src/api/queries.ts
index d0a37ba..d26cbca 100644
--- a/web/src/api/queries.ts
+++ b/web/src/api/queries.ts
@@ -1,17 +1,19 @@
 import { keepPreviousData, useInfiniteQuery, useMutation, useQuery, useQueryClient } from "@tanstack/react-query";
 
 import { api } from "./client";
+import { keys, type ObjectListParams } from "./query-keys";
 import type { components } from "./schema";
 import { HttpError, FieldRejection, InUseError, VisibilityError } from "./errors";
 
 export { HttpError, FieldRejection, InUseError, VisibilityError } from "./errors";
+export type { ObjectListParams } from "./query-keys";
 
 type UserView = components["schemas"]["UserView"];
 type LoginRequest = components["schemas"]["LoginRequest"];
 
 export function useMe() {
   return useQuery({
-    queryKey: ["me"],
+    queryKey: keys.me(),
     queryFn: async (): Promise<UserView | null> => {
       const { data, response } = await api.GET("/api/admin/me");
 
@@ -25,18 +27,9 @@ export function useMe() {
   });
 }
 
-export type ObjectListParams = {
-  limit: number;
-  offset: number;
-  sort?: string;
-  order?: "asc" | "desc";
-  visibility?: string;
-  q?: string;
-};
-
 export function useObjectsPage(params: ObjectListParams) {
   return useQuery({
-    queryKey: ["objects", params],
+    queryKey: keys.objectsPage(params),
     placeholderData: keepPreviousData,
     queryFn: async () => {
       const { data, error } = await api.GET("/api/admin/objects", {
@@ -61,7 +54,7 @@ export function useObjectsPage(params: ObjectListParams) {
 
 export function useObject(id: string) {
   return useQuery({
-    queryKey: ["object", id],
+    queryKey: keys.object(id),
     queryFn: async () => {
       const { data, response } = await api.GET("/api/admin/objects/{id}", {
         params: { path: { id } },
@@ -80,7 +73,7 @@ export function useObject(id: string) {
 
 export function useFieldDefinitions() {
   return useQuery({
-    queryKey: ["field-definitions"],
+    queryKey: keys.fieldDefinitions(),
     queryFn: async () => {
       const { data, error } = await api.GET("/api/admin/field-definitions");
 
@@ -103,7 +96,7 @@ export function useLogin() {
         throw new Error(response.status === 401 ? "invalid" : "network");
       }
     },
-    onSuccess: () => qc.invalidateQueries({ queryKey: ["me"] }),
+    onSuccess: () => qc.invalidateQueries({ queryKey: keys.me() }),
     meta: { suppressErrorToast: true },
   });
 }
@@ -115,7 +108,7 @@ export function useLogout() {
     mutationFn: async () => {
       await api.POST("/api/admin/logout");
     },
-    onSuccess: () => qc.setQueryData(["me"], null),
+    onSuccess: () => qc.setQueryData(keys.me(), null),
   });
 }
 
@@ -124,7 +117,7 @@ type ObjectUpdateRequest = components["schemas"]["ObjectUpdateRequest"];
 
 export function useTerms(vocabularyId: string | null | undefined) {
   return useQuery({
-    queryKey: ["terms", vocabularyId],
+    queryKey: keys.terms(vocabularyId),
     enabled: !!vocabularyId,
     queryFn: async () => {
       const { data, error } = await api.GET("/api/admin/vocabularies/{id}/terms", {
@@ -141,7 +134,7 @@ export function useTerms(vocabularyId: string | null | undefined) {
 
 export function useAuthorities(kind: string | null | undefined) {
   return useQuery({
-    queryKey: ["authorities", kind],
+    queryKey: keys.authorities(kind),
     enabled: !!kind,
     queryFn: async () => {
       const { data, error } = await api.GET("/api/admin/authorities", {
@@ -167,7 +160,7 @@ export function useCreateObject() {
 
       return data;
     },
-    onSuccess: () => qc.invalidateQueries({ queryKey: ["objects"] }),
+    onSuccess: () => qc.invalidateQueries({ queryKey: keys.objects() }),
     meta: { successMessage: "toast.created", suppressErrorToast: true },
   });
 }
@@ -185,8 +178,9 @@ export function useUpdateObject() {
       if (response.status !== 204) throw new HttpError(response.status);
     },
     onSuccess: (_d, { id }) => {
-      void qc.invalidateQueries({ queryKey: ["objects"] });
-      void qc.invalidateQueries({ queryKey: ["object", id] });
+      void qc.invalidateQueries({ queryKey: keys.objects() });
+      void qc.invalidateQueries({ queryKey: keys.object(id) });
+      void qc.invalidateQueries({ queryKey: keys.search() });
     },
     meta: { successMessage: "toast.saved", suppressErrorToast: true },
   });
@@ -212,7 +206,7 @@ export function useSetFields() {
       throw new HttpError(response.status);
     },
     onSuccess: (_d, { id }) => {
-      void qc.invalidateQueries({ queryKey: ["object", id] });
+      void qc.invalidateQueries({ queryKey: keys.object(id) });
     },
     meta: { suppressErrorToast: true },
   });
@@ -229,7 +223,10 @@ export function useDeleteObject() {
 
       if (response.status !== 204) throw new HttpError(response.status);
     },
-    onSuccess: () => qc.invalidateQueries({ queryKey: ["objects"] }),
+    onSuccess: () => {
+      void qc.invalidateQueries({ queryKey: keys.objects() });
+      void qc.invalidateQueries({ queryKey: keys.search() });
+    },
     meta: { successMessage: "toast.deleted", suppressErrorToast: true },
   });
 }
@@ -239,7 +236,7 @@ type LabelInput = components["schemas"]["LabelInput"];
 
 export function useVocabularies() {
   return useQuery({
-    queryKey: ["vocabularies"],
+    queryKey: keys.vocabularies(),
     queryFn: async () => {
       const { data, error } = await api.GET("/api/admin/vocabularies");
 
@@ -262,7 +259,7 @@ export function useCreateVocabulary() {
 
       return data;
     },
-    onSuccess: () => qc.invalidateQueries({ queryKey: ["vocabularies"] }),
+    onSuccess: () => qc.invalidateQueries({ queryKey: keys.vocabularies() }),
     meta: { successMessage: "toast.created", suppressErrorToast: true },
   });
 }
@@ -288,7 +285,7 @@ export function useAddTerm() {
       if (response.status !== 201) throw new HttpError(response.status);
     },
     onSuccess: (_result, { vocabularyId }) =>
-      qc.invalidateQueries({ queryKey: ["terms", vocabularyId] }),
+      qc.invalidateQueries({ queryKey: keys.terms(vocabularyId) }),
     meta: { successMessage: "toast.created", suppressErrorToast: true },
   });
 }
@@ -313,7 +310,7 @@ export function useCreateAuthority() {
       if (response.status !== 201) throw new HttpError(response.status);
     },
     onSuccess: (_result, { kind }) =>
-      qc.invalidateQueries({ queryKey: ["authorities", kind] }),
+      qc.invalidateQueries({ queryKey: keys.authorities(kind) }),
     meta: { successMessage: "toast.created", suppressErrorToast: true },
   });
 }
@@ -324,7 +321,7 @@ export function useSearch(q: string, visibility: string | null) {
   const term = q.trim();
 
   return useInfiniteQuery({
-    queryKey: ["search", term, visibility],
+    queryKey: keys.searchResults(term, visibility),
     enabled: term.length > 0,
     initialPageParam: 0,
     queryFn: async ({ pageParam }) => {
@@ -365,7 +362,7 @@ export function useCreateFieldDefinition() {
 
       return data;
     },
-    onSuccess: () => qc.invalidateQueries({ queryKey: ["field-definitions"] }),
+    onSuccess: () => qc.invalidateQueries({ queryKey: keys.fieldDefinitions() }),
     meta: { successMessage: "toast.created", suppressErrorToast: true },
   });
 }
@@ -385,8 +382,9 @@ export function useSetVisibility() {
       if (response.status !== 204) throw new VisibilityError(response.status);
     },
     onSuccess: (_result, { id }) => {
-      void qc.invalidateQueries({ queryKey: ["object", id] });
-      void qc.invalidateQueries({ queryKey: ["objects"] });
+      void qc.invalidateQueries({ queryKey: keys.object(id) });
+      void qc.invalidateQueries({ queryKey: keys.objects() });
+      void qc.invalidateQueries({ queryKey: keys.search() });
     },
     meta: { successMessage: "toast.published", suppressErrorToast: true },
   });
@@ -414,7 +412,7 @@ export function useUpdateTerm() {
 
       if (response.status !== 204) throw new HttpError(response.status);
     },
-    onSuccess: (_d, { vocabularyId }) => qc.invalidateQueries({ queryKey: ["terms", vocabularyId] }),
+    onSuccess: (_d, { vocabularyId }) => qc.invalidateQueries({ queryKey: keys.terms(vocabularyId) }),
     meta: { successMessage: "toast.saved", suppressErrorToast: true },
   });
 }
@@ -431,7 +429,7 @@ export function useDeleteTerm() {
       if (response.status === 409) throw new InUseError((error as { count?: number })?.count ?? 0);
       if (response.status !== 204) throw new HttpError(response.status);
     },
-    onSuccess: (_d, { vocabularyId }) => qc.invalidateQueries({ queryKey: ["terms", vocabularyId] }),
+    onSuccess: (_d, { vocabularyId }) => qc.invalidateQueries({ queryKey: keys.terms(vocabularyId) }),
     meta: { successMessage: "toast.deleted", suppressErrorToast: true },
   });
 }
@@ -448,7 +446,7 @@ export function useRenameVocabulary() {
 
       if (response.status !== 204) throw new HttpError(response.status);
     },
-    onSuccess: () => qc.invalidateQueries({ queryKey: ["vocabularies"] }),
+    onSuccess: () => qc.invalidateQueries({ queryKey: keys.vocabularies() }),
     meta: { successMessage: "toast.renamed", suppressErrorToast: true },
   });
 }
@@ -465,7 +463,7 @@ export function useDeleteVocabulary() {
       if (response.status === 409) throw new InUseError((error as { count?: number })?.count ?? 0);
       if (response.status !== 204) throw new HttpError(response.status);
     },
-    onSuccess: () => qc.invalidateQueries({ queryKey: ["vocabularies"] }),
+    onSuccess: () => qc.invalidateQueries({ queryKey: keys.vocabularies() }),
     meta: { successMessage: "toast.deleted", suppressErrorToast: true },
   });
 }
@@ -491,7 +489,7 @@ export function useUpdateAuthority() {
 
       if (response.status !== 204) throw new HttpError(response.status);
     },
-    onSuccess: (_d, { kind }) => qc.invalidateQueries({ queryKey: ["authorities", kind] }),
+    onSuccess: (_d, { kind }) => qc.invalidateQueries({ queryKey: keys.authorities(kind) }),
     meta: { successMessage: "toast.saved", suppressErrorToast: true },
   });
 }
@@ -508,7 +506,7 @@ export function useDeleteAuthority() {
       if (response.status === 409) throw new InUseError((error as { count?: number })?.count ?? 0);
       if (response.status !== 204) throw new HttpError(response.status);
     },
-    onSuccess: (_d, { kind }) => qc.invalidateQueries({ queryKey: ["authorities", kind] }),
+    onSuccess: (_d, { kind }) => qc.invalidateQueries({ queryKey: keys.authorities(kind) }),
     meta: { successMessage: "toast.deleted", suppressErrorToast: true },
   });
 }
@@ -535,7 +533,7 @@ export function useUpdateFieldDefinition() {
 
       if (response.status !== 204) throw new HttpError(response.status);
     },
-    onSuccess: () => qc.invalidateQueries({ queryKey: ["field-definitions"] }),
+    onSuccess: () => qc.invalidateQueries({ queryKey: keys.fieldDefinitions() }),
     meta: { successMessage: "toast.saved", suppressErrorToast: true },
   });
 }
@@ -552,7 +550,7 @@ export function useDeleteFieldDefinition() {
       if (response.status === 409) throw new InUseError((error as { count?: number })?.count ?? 0);
       if (response.status !== 204) throw new HttpError(response.status);
     },
-    onSuccess: () => qc.invalidateQueries({ queryKey: ["field-definitions"] }),
+    onSuccess: () => qc.invalidateQueries({ queryKey: keys.fieldDefinitions() }),
     meta: { successMessage: "toast.deleted", suppressErrorToast: true },
   });
 }
diff --git a/web/src/api/query-keys.test.ts b/web/src/api/query-keys.test.ts
new file mode 100644
index 0000000..ddc6c09
--- /dev/null
+++ b/web/src/api/query-keys.test.ts
@@ -0,0 +1,24 @@
+import { expect, test } from "vitest";
+
+import { keys } from "./query-keys";
+
+test("the key factory produces the expected arrays", () => {
+  expect(keys.me()).toEqual(["me"]);
+  expect(keys.config()).toEqual(["config"]);
+  expect(keys.objects()).toEqual(["objects"]);
+  const p = { limit: 50, offset: 0 };
+  expect(keys.objectsPage(p)).toEqual(["objects", p]);
+  expect(keys.object("x")).toEqual(["object", "x"]);
+  expect(keys.fieldDefinitions()).toEqual(["field-definitions"]);
+  expect(keys.vocabularies()).toEqual(["vocabularies"]);
+  expect(keys.terms("v1")).toEqual(["terms", "v1"]);
+  expect(keys.authorities("person")).toEqual(["authorities", "person"]);
+  expect(keys.search()).toEqual(["search"]);
+  expect(keys.searchResults("q", null)).toEqual(["search", "q", null]);
+});
+
+test("objects() is a prefix of objectsPage() so invalidation matches", () => {
+  const prefix = keys.objects();
+  const full = keys.objectsPage({ limit: 50, offset: 0 });
+  expect(full.slice(0, prefix.length)).toEqual(prefix);
+});
diff --git a/web/src/api/query-keys.ts b/web/src/api/query-keys.ts
new file mode 100644
index 0000000..b1fec78
--- /dev/null
+++ b/web/src/api/query-keys.ts
@@ -0,0 +1,24 @@
+export type ObjectListParams = {
+  limit: number;
+  offset: number;
+  sort?: string;
+  order?: "asc" | "desc";
+  visibility?: string;
+  q?: string;
+};
+
+/** Central query-key factory — the single source of truth for cache keys, so
+ *  query/invalidate/setQueryData sites can't drift. */
+export const keys = {
+  me: () => ["me"] as const,
+  config: () => ["config"] as const,
+  objects: () => ["objects"] as const,
+  objectsPage: (params: ObjectListParams) => ["objects", params] as const,
+  object: (id: string) => ["object", id] as const,
+  fieldDefinitions: () => ["field-definitions"] as const,
+  vocabularies: () => ["vocabularies"] as const,
+  terms: (vocabularyId: string | null | undefined) => ["terms", vocabularyId] as const,
+  authorities: (kind: string | null | undefined) => ["authorities", kind] as const,
+  search: () => ["search"] as const,
+  searchResults: (term: string, visibility: string | null) => ["search", term, visibility] as const,
+};
diff --git a/web/src/api/search-invalidation.test.tsx b/web/src/api/search-invalidation.test.tsx
new file mode 100644
index 0000000..7c7dbc9
--- /dev/null
+++ b/web/src/api/search-invalidation.test.tsx
@@ -0,0 +1,28 @@
+import { expect, test } from "vitest";
+import { renderHook, waitFor } from "@testing-library/react";
+import { QueryClient, QueryClientProvider } from "@tanstack/react-query";
+import { http, HttpResponse } from "msw";
+import type { ReactNode } from "react";
+
+import { server } from "../test/server";
+import { useSetVisibility } from "./queries";
+import { keys } from "./query-keys";
+
+test("changing an object's visibility invalidates the active search query", async () => {
+  server.use(
+    http.post("/api/admin/objects/:id/visibility", () => new HttpResponse(null, { status: 204 })),
+  );
+  const qc = new QueryClient({ defaultOptions: { queries: { retry: false } } });
+  qc.setQueryData(keys.searchResults("amphora", null), { pages: [], pageParams: [] });
+
+  const wrapper = ({ children }: { children: ReactNode }) => (
+    <QueryClientProvider client={qc}>{children}</QueryClientProvider>
+  );
+  const { result } = renderHook(() => useSetVisibility(), { wrapper });
+
+  await result.current.mutateAsync({ id: "o1", visibility: "public" });
+
+  await waitFor(() =>
+    expect(qc.getQueryState(keys.searchResults("amphora", null))?.isInvalidated).toBe(true),
+  );
+});
diff --git a/web/src/config/config-provider.tsx b/web/src/config/config-provider.tsx
index 8573294..dc6a668 100644
--- a/web/src/config/config-provider.tsx
+++ b/web/src/config/config-provider.tsx
@@ -2,12 +2,13 @@ import { useEffect, type ReactNode } from "react";
 import { useQuery } from "@tanstack/react-query";
 
 import { api } from "../api/client";
+import { keys } from "../api/query-keys";
 import i18n, { LOCALE_KEY } from "../i18n";
 import { ConfigContext, DEFAULTS, type ConfigView } from "./config-context";
 
 export function ConfigProvider({ children }: { children: ReactNode }) {
   const { data } = useQuery({
-    queryKey: ["config"],
+    queryKey: keys.config(),
     queryFn: async (): Promise<ConfigView> => {
       const { data, error } = await api.GET("/api/config");