Skip tool metadata check in-process

The in-process transport does not expose current tool metadata for introspection, so keep the runtime schema assertion on the stdio cells where that RPC is supported.

Co-authored-by: Copilot App <223556219+Copilot@users.noreply.github.com>

Author: MRayermannMSFT

nodejs/test/e2e/ui_elicitation.e2e.test.ts

@@ -38,7 +38,8 @@ describe("UI Elicitation Callback", async () => {
         }
     );
 
-    it(
+    // In-process sessions do not expose current tool metadata for introspection.
+    it.skipIf(isInProcessTransport)(
         "session created with the elicitation ask-user variant exposes the structured tool",
         { timeout: 60_000 },
         async () => {