chore: update spec.types.2026-07-28.ts from upstream

Author: github-actions[bot]

packages/core-internal/src/types/spec.types.2026-07-28.ts

@@ -3,7 +3,7 @@
  *
  * Source: https://github.com/modelcontextprotocol/modelcontextprotocol
  * Pulled from: https://raw.githubusercontent.com/modelcontextprotocol/modelcontextprotocol/main/schema/draft/schema.ts
- * Last updated from commit: 71e306956a4959c9655e5036be215d41986596e6
+ * Last updated from commit: f7e99af6417ec978233d8e27e1ac878b12106542
  *
  * DO NOT EDIT THIS FILE MANUALLY. Changes will be overwritten by automated updates.
  * To update this file, run: pnpm run fetch:spec-types 2026-07-28
@@ -1317,7 +1317,7 @@ export interface SubscriptionsListenRequest extends JSONRPCRequest {
  * @see {@link MetaObject} for key naming rules and reserved prefixes.
  * @category `subscriptions/listen`
  */
-export interface SubscriptionsListenResultMeta extends ResultMetaObject {
+export interface SubscriptionsListenResultMetaObject extends ResultMetaObject {
     /**
      * Identifies the subscription stream this response closes, so the client can
      * correlate it with the originating subscription — mirroring the same key on
@@ -1341,7 +1341,20 @@ export interface SubscriptionsListenResultMeta extends ResultMetaObject {
  * @category `subscriptions/listen`
  */
 export interface SubscriptionsListenResult extends Result {
-    _meta: SubscriptionsListenResultMeta;
+    _meta: SubscriptionsListenResultMetaObject;
+}
+
+/**
+ * A successful response from the server for a {@link SubscriptionsListenRequest | subscriptions/listen}
+ * request, sent when the server tears the subscription down gracefully.
+ *
+ * @example Subscription closed gracefully response
+ * {@includeCode ./examples/SubscriptionsListenResultResponse/listen-closed-response.json}
+ *
+ * @category `subscriptions/listen`
+ */
+export interface SubscriptionsListenResultResponse extends JSONRPCResultResponse {
+    result: SubscriptionsListenResult;
 }
 
 /**