fix: harden invalidation registry governance

src/contracts/query-invalidation.ts

@@ -1,5 +1,6 @@
 import { isCacheInvalidationTopic } from "./cache-invalidation.ts";
 import {
+  defineQueryNamespaceIdentity,
   queryNamespaceIdentityKey,
   type QueryNamespaceIdentity,
 } from "./query-keys.ts";
@@ -111,8 +112,13 @@ export function indexInvalidationRegistry(
   const namespaces = new Map<string, QueryNamespaceIdentity>();
   for (const namespace of registry.namespaces) {
     let namespaceKey: string;
+    let namespaceSnapshot: QueryNamespaceIdentity;
     try {
-      namespaceKey = queryNamespaceIdentityKey(namespace);
+      namespaceSnapshot = defineQueryNamespaceIdentity(
+        namespace.namespaceId,
+        namespace.namespaceVersion,
+      );
+      namespaceKey = queryNamespaceIdentityKey(namespaceSnapshot);
     } catch (error) {
       throw new TypeError("Invalidation registry namespace is invalid.", {
         cause: error,
@@ -121,7 +127,7 @@ export function indexInvalidationRegistry(
     if (namespaces.has(namespaceKey)) {
       throw new TypeError(`Duplicate invalidation namespace: ${namespaceKey}`);
     }
-    namespaces.set(namespaceKey, namespace);
+    namespaces.set(namespaceKey, namespaceSnapshot);
   }
 
   const namespacesForTopic = new Map<string, QueryNamespaceIdentity[]>();