Expect typed remote.braille validation in the lifecycle conformance test

remote.braille is now implemented, so malformed parameters return the
invalid-parameters error. The unimplemented-operation check moves to an
operation that still does not exist.

Co-Authored-By: Claude Opus 5.5 <noreply@anthropic.com>

internal/tentacle/remote_test.go

@@ -218,7 +218,10 @@ func TestSessionSDKLifecycleConformance(t *testing.T) {
 			if _, code := remoteCall(t, session, "remote.key", map[string]any{}); code != -32602 {
 				t.Fatal("malformed typed key operation accepted", code)
 			}
-			if _, code := remoteCall(t, session, "remote.braille", map[string]any{}); code != -32601 {
+			if _, code := remoteCall(t, session, "remote.braille", map[string]any{}); code != -32602 {
+				t.Fatal("malformed typed Braille operation accepted", code)
+			}
+			if _, code := remoteCall(t, session, "remote.mouse", map[string]any{}); code != -32601 {
 				t.Fatal("unimplemented desktop operation accepted", code)
 			}
 			// One blocked handler cannot block the endpoint receive loop or lifecycle calls.