From 37dabd873af7a04951c0d831b42012308a160655 Mon Sep 17 00:00:00 2001
From: Philippe GRANGER <philippe.granger@lvmh.com>
Date: Wed, 4 Feb 2026 16:16:36 +0100
Subject: [PATCH] fix(confirmation): use type guard for ToolConfirmationPayload
 union type

Replace direct property access with 'in' operator to properly narrow the
union type, fixing TypeScript compilation error.
---
 packages/core/src/scheduler/confirmation.ts | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/packages/core/src/scheduler/confirmation.ts b/packages/core/src/scheduler/confirmation.ts
index 5f2e1d1bc1..3d1ef3b46c 100644
--- a/packages/core/src/scheduler/confirmation.ts
+++ b/packages/core/src/scheduler/confirmation.ts
@@ -171,7 +171,7 @@ export async function resolveConfirmation(
         // This prevents the infinite loop issue reported in #7669
         outcome = ToolConfirmationOutcome.Cancel;
       }
-    } else if (response.payload?.newContent) {
+    } else if (response.payload && 'newContent' in response.payload) {
       await handleInlineModification(deps, toolCall, response.payload, signal);
       outcome = ToolConfirmationOutcome.ProceedOnce;
     }