From aa14f6a97561dc531461304aaecc53a4b2104d43 Mon Sep 17 00:00:00 2001
From: Lucky Lodhi <luckysinghlodhi31@gmail.com>
Date: Sat, 7 Feb 2026 14:17:57 +0000
Subject: [PATCH 1/2] dynamically set default host

---
 src/agents/bash-tools.exec.ts | 11 ++++++++++-
 1 file changed, 10 insertions(+), 1 deletion(-)

diff --git a/src/agents/bash-tools.exec.ts b/src/agents/bash-tools.exec.ts
index a771f85879e..7896f9b6d1f 100644
--- a/src/agents/bash-tools.exec.ts
+++ b/src/agents/bash-tools.exec.ts
@@ -828,7 +828,16 @@ export function createExecTool(
     label: "exec",
     description:
       "Execute shell commands with background continuation. Use yieldMs/background to continue later via process tool. Use pty=true for TTY-required commands (terminal UIs, coding agents).",
-    parameters: execSchema,
+    parameters: {
+      ...execSchema,
+      properties: {
+        ...execSchema.properties,
+        host: {
+          ...execSchema.properties.host,
+          default: defaults?.host ?? "sandbox",
+        },
+      },
+    },
     execute: async (_toolCallId, args, signal, onUpdate) => {
       const params = args as {
         command: string;

From b57101b80d607008aa21d6fab4ee844433307c27 Mon Sep 17 00:00:00 2001
From: Lucky Lodhi <luckysinghlodhi31@gmail.com>
Date: Sat, 7 Feb 2026 16:21:55 +0000
Subject: [PATCH 2/2] made suggested changes

---
 src/agents/bash-tools.exec.ts | 17 ++++++++---------
 1 file changed, 8 insertions(+), 9 deletions(-)

diff --git a/src/agents/bash-tools.exec.ts b/src/agents/bash-tools.exec.ts
index 7896f9b6d1f..cf5f901c65c 100644
--- a/src/agents/bash-tools.exec.ts
+++ b/src/agents/bash-tools.exec.ts
@@ -828,16 +828,15 @@ export function createExecTool(
     label: "exec",
     description:
       "Execute shell commands with background continuation. Use yieldMs/background to continue later via process tool. Use pty=true for TTY-required commands (terminal UIs, coding agents).",
-    parameters: {
-      ...execSchema,
-      properties: {
-        ...execSchema.properties,
-        host: {
-          ...execSchema.properties.host,
+    parameters: Type.Object({
+      ...execSchema.properties,
+      host: Type.Optional(
+        Type.String({
+          description: "Exec host (sandbox|gateway|node).",
           default: defaults?.host ?? "sandbox",
-        },
-      },
-    },
+        }),
+      ),
+    }),
     execute: async (_toolCallId, args, signal, onUpdate) => {
       const params = args as {
         command: string;