fix: align bound query keys with invalidation prefixes

tests/component/application-query.test.tsx

@@ -20,7 +20,11 @@ import {
   type QueryInvalidationCoordinator,
 } from "../../src/contracts/query-invalidation.ts";
 import { createFailure } from "../../src/contracts/errors.ts";
-import { createRuntimeIdentityRegistry } from "../../src/contracts/query-keys.ts";
+import {
+  createQueryInvalidationPrefix,
+  createRuntimeIdentityRegistry,
+  defineQueryNamespaceIdentity,
+} from "../../src/contracts/query-keys.ts";
 import {
   bindQuery,
   type QueryResultMeasure,
@@ -216,6 +220,38 @@ describe("application query inbound bridge", () => {
 });
 
 describe("scope-bound query commit fence", () => {
+  it("binds the namespace-first V2 query key", () => {
+    const scope = scopeSnapshot();
+    const definition = {
+      definitionId: "reference-detail-v1",
+      definitionVersion: 1,
+      owner: "platform-test",
+      namespace: "reference-resource",
+      namespaceVersion: 1,
+      operationId: "GET_REFERENCE_RESOURCE",
+      profileId: "DETAIL_STANDARD" as const,
+      measureResult: measureOne,
+      execute: async () => ({ ok: true as const, value: "value" }),
+    };
+
+    const bound = bindQuery(definition, "resource-1", scope);
+
+    expect(bound.queryKey).toEqual([
+      "query",
+      2,
+      "reference-resource",
+      1,
+      "scope-fingerprint-0001",
+      1,
+      "scope-identity-token-0001",
+    ]);
+    expect(bound.queryKey.slice(0, 4)).toEqual(
+      createQueryInvalidationPrefix(
+        defineQueryNamespaceIdentity("reference-resource", 1),
+      ),
+    );
+  });
+
   it("discards a successful result whose scope was fenced during execution", async () => {
     const client = queryClient();
     const scope = scopeSnapshot();