diff --git a/packages/host/agent-adapter/package.json b/packages/host/agent-adapter/package.json
index 2e69f9ea9..b9c6fc49e 100644
--- a/packages/host/agent-adapter/package.json
+++ b/packages/host/agent-adapter/package.json
@@ -12,7 +12,7 @@
     "lint": "eslint --format=sukka ."
   },
   "dependencies": {
-    "@anthropic-ai/claude-agent-sdk": "^0.3.215",
+    "@anthropic-ai/claude-agent-sdk": "^0.3.239",
     "@anthropic-ai/sdk": "^0.115.0",
     "@linkcode/common": "workspace:*",
     "@linkcode/schema": "workspace:*",
diff --git a/pnpm-lock.yaml b/pnpm-lock.yaml
index c9726975f..665d96c32 100644
--- a/pnpm-lock.yaml
+++ b/pnpm-lock.yaml
@@ -983,8 +983,8 @@ importers:
   packages/host/agent-adapter:
     dependencies:
       '@anthropic-ai/claude-agent-sdk':
-        specifier: ^0.3.215
-        version: 0.3.215(@anthropic-ai/sdk@0.115.0(zod@4.4.3))(@modelcontextprotocol/sdk@1.30.0(supports-color@8.1.1)(zod@4.4.3))(zod@4.4.3)
+        specifier: ^0.3.239
+        version: 0.3.239(@anthropic-ai/sdk@0.115.0(zod@4.4.3))(@modelcontextprotocol/sdk@1.30.0(supports-color@8.1.1)(zod@4.4.3))(zod@4.4.3)
       '@anthropic-ai/sdk':
         specifier: ^0.115.0
         version: 0.115.0(zod@4.4.3)
@@ -1404,52 +1404,52 @@ packages:
   '@antfu/install-pkg@1.1.0':
     resolution: {integrity: sha512-MGQsmw10ZyI+EJo45CdSER4zEb+p31LpDAFp2Z3gkSd1yqVZGi0Ebx++YTEMonJy4oChEMLsxZ64j8FH6sSqtQ==}
 
-  '@anthropic-ai/claude-agent-sdk-darwin-arm64@0.3.215':
-    resolution: {integrity: sha512-KIOe3N/ypVIdsI7fnJUHT0Djei1RH01TbxK6LI2mgoHKZ6NVDt/Q9kQ1+On3b/l899RhE6C1SMAiQ0iB4sbkjA==}
+  '@anthropic-ai/claude-agent-sdk-darwin-arm64@0.3.239':
+    resolution: {integrity: sha512-GGVGuCwFEUm6cMlnBX0LTC9JX5NdGzxddbuqWtRxEgo9EetS70SO3FW+reitALlotHghPTfnICQILbBDIRyX+Q==}
     cpu: [arm64]
     os: [darwin]
 
-  '@anthropic-ai/claude-agent-sdk-darwin-x64@0.3.215':
-    resolution: {integrity: sha512-cyjfQgkgF/zZbSJP6uJpPXoIJE/gYFOgz+u/SjklvakcO56BpEnsbdl/oHVu5G8GCw69V11hKFZ8T8YsVOiv2w==}
+  '@anthropic-ai/claude-agent-sdk-darwin-x64@0.3.239':
+    resolution: {integrity: sha512-QNbBXz3Pb3pQ7a+Kcbets6t9IrQhStKsfl5D518nYiGFoRMioO7efkZ6zHUcrGDqDC0LIzrs7tY2KNzH4RfwZA==}
     cpu: [x64]
     os: [darwin]
 
-  '@anthropic-ai/claude-agent-sdk-linux-arm64-musl@0.3.215':
-    resolution: {integrity: sha512-dXMR8afbZCFWUKQGyvn9swDYYvMtZWGqqbZ994ahS7HvGN4AgF63uvojHVErW1Xxn2601Bm+eCYQt+BSLk6iZQ==}
+  '@anthropic-ai/claude-agent-sdk-linux-arm64-musl@0.3.239':
+    resolution: {integrity: sha512-Ajc3cuszVdOwfMZVsGdxrCTmgWOeJpQWAIqu8jNEvERIeNnBxvWfGrjmLPxYT3/LJ9Uj/tFTpp52J4IcmrJE5w==}
     cpu: [arm64]
     os: [linux]
     libc: [musl]
 
-  '@anthropic-ai/claude-agent-sdk-linux-arm64@0.3.215':
-    resolution: {integrity: sha512-lb7ayxZeWLiEhlOjzF8oX+DdJHrVgR1hvwkwRdYo+LgTT3hSxv6h43sheS3hZ1I9LYvOTKWa2E0O1EnffOzyCg==}
+  '@anthropic-ai/claude-agent-sdk-linux-arm64@0.3.239':
+    resolution: {integrity: sha512-RE6tDtzU0xj58tsuxnlXMJO8ckJ4tx/1nUgR+D/fPEQVt84oOyXeVspKt1ffvycogh3Sr3MkCGwZrPmxu/V1nA==}
     cpu: [arm64]
     os: [linux]
     libc: [glibc]
 
-  '@anthropic-ai/claude-agent-sdk-linux-x64-musl@0.3.215':
-    resolution: {integrity: sha512-jSmrjSupnWtw8/I1Wmr32J6lB02gFXytmNbse4kcLEgH6UGtdZckKnDVnh/ejHma4QE9WGSn54xLsSFnjHVrRg==}
+  '@anthropic-ai/claude-agent-sdk-linux-x64-musl@0.3.239':
+    resolution: {integrity: sha512-zIUHiG4Romm/t6m/S9n8x4BKluyRCPk0147hPVo4xxkHkp4Di/7TnDMRKO3Wau4x361wRqlE2i5EpYT+CyJjHg==}
     cpu: [x64]
     os: [linux]
     libc: [musl]
 
-  '@anthropic-ai/claude-agent-sdk-linux-x64@0.3.215':
-    resolution: {integrity: sha512-Iivu3oq7hIEc81dpTu1W0GJ/kCE8TRtj9tb+wdZCp1grsuGEJiS3Bh1tLxCrhLOTDxPggK6xZGVN/RPJh84ywA==}
+  '@anthropic-ai/claude-agent-sdk-linux-x64@0.3.239':
+    resolution: {integrity: sha512-q4YaDoPgqh0XM23RM1/Zje7OSKccuCTQE89KoppDFOsyGdRsUj5xr01LTtr5hnYQuZD7dfwAbz9zl1g0MF/7TA==}
     cpu: [x64]
     os: [linux]
     libc: [glibc]
 
-  '@anthropic-ai/claude-agent-sdk-win32-arm64@0.3.215':
-    resolution: {integrity: sha512-9Xtpwd4DzfObOycDkfYfQ7clhWoFu2fmRqmMZWyQRyk2mEHWR3gLBwUgpfjYb6m4Fke9eTmIx2lXDG2i1OaBzA==}
+  '@anthropic-ai/claude-agent-sdk-win32-arm64@0.3.239':
+    resolution: {integrity: sha512-RxA29NdX9g3ZbpcXvSeWxpbg/Eoo3wXfO2eA1Vc7qa5JyAYjrl9xu6dIGAWMiyk/gnFxNh1WoFER77J9P6LTiQ==}
     cpu: [arm64]
     os: [win32]
 
-  '@anthropic-ai/claude-agent-sdk-win32-x64@0.3.215':
-    resolution: {integrity: sha512-DkPwdc1zS6KIf6YNKXhlqAw95wnjG8Uh5bSXRrFA+MxsaWedlVFeja6zFM5uZ84ouGrcHEeU3PGUcGaKR1U4cQ==}
+  '@anthropic-ai/claude-agent-sdk-win32-x64@0.3.239':
+    resolution: {integrity: sha512-ylKIX0DfaK1EgWYbVEvBMYATVFdKjFcWvvypTIv2sJhM3KxJT/0lTzvqsai8jYeZN1FBHWlRNEUQJvJMjO/diA==}
     cpu: [x64]
     os: [win32]
 
-  '@anthropic-ai/claude-agent-sdk@0.3.215':
-    resolution: {integrity: sha512-fBktJCwfu8ZeOSnnSLcWVkIHyp/pjouJsGVGtRnQ0HkcRuOReIbRcB/6n2O5dYV331Ok+MfdGHiPaTORj7pCtQ==}
+  '@anthropic-ai/claude-agent-sdk@0.3.239':
+    resolution: {integrity: sha512-cIuZhK4u76S5Otq78U890GSA6BFT4SLqOuMqzU/bP/tWRWKhHhNp/3/pvgLwoVGlkdhD7luXWduqXKyLC+VNBQ==}
     engines: {node: '>=18.0.0'}
     peerDependencies:
       '@anthropic-ai/sdk': '>=0.93.0'
@@ -11512,44 +11512,44 @@ snapshots:
       package-manager-detector: 1.6.0
       tinyexec: 1.2.4
 
-  '@anthropic-ai/claude-agent-sdk-darwin-arm64@0.3.215':
+  '@anthropic-ai/claude-agent-sdk-darwin-arm64@0.3.239':
     optional: true
 
-  '@anthropic-ai/claude-agent-sdk-darwin-x64@0.3.215':
+  '@anthropic-ai/claude-agent-sdk-darwin-x64@0.3.239':
     optional: true
 
-  '@anthropic-ai/claude-agent-sdk-linux-arm64-musl@0.3.215':
+  '@anthropic-ai/claude-agent-sdk-linux-arm64-musl@0.3.239':
     optional: true
 
-  '@anthropic-ai/claude-agent-sdk-linux-arm64@0.3.215':
+  '@anthropic-ai/claude-agent-sdk-linux-arm64@0.3.239':
     optional: true
 
-  '@anthropic-ai/claude-agent-sdk-linux-x64-musl@0.3.215':
+  '@anthropic-ai/claude-agent-sdk-linux-x64-musl@0.3.239':
     optional: true
 
-  '@anthropic-ai/claude-agent-sdk-linux-x64@0.3.215':
+  '@anthropic-ai/claude-agent-sdk-linux-x64@0.3.239':
     optional: true
 
-  '@anthropic-ai/claude-agent-sdk-win32-arm64@0.3.215':
+  '@anthropic-ai/claude-agent-sdk-win32-arm64@0.3.239':
     optional: true
 
-  '@anthropic-ai/claude-agent-sdk-win32-x64@0.3.215':
+  '@anthropic-ai/claude-agent-sdk-win32-x64@0.3.239':
     optional: true
 
-  '@anthropic-ai/claude-agent-sdk@0.3.215(@anthropic-ai/sdk@0.115.0(zod@4.4.3))(@modelcontextprotocol/sdk@1.30.0(supports-color@8.1.1)(zod@4.4.3))(zod@4.4.3)':
+  '@anthropic-ai/claude-agent-sdk@0.3.239(@anthropic-ai/sdk@0.115.0(zod@4.4.3))(@modelcontextprotocol/sdk@1.30.0(supports-color@8.1.1)(zod@4.4.3))(zod@4.4.3)':
     dependencies:
       '@anthropic-ai/sdk': 0.115.0(zod@4.4.3)
       '@modelcontextprotocol/sdk': 1.30.0(supports-color@8.1.1)(zod@4.4.3)
       zod: 4.4.3
     optionalDependencies:
-      '@anthropic-ai/claude-agent-sdk-darwin-arm64': 0.3.215
-      '@anthropic-ai/claude-agent-sdk-darwin-x64': 0.3.215
-      '@anthropic-ai/claude-agent-sdk-linux-arm64': 0.3.215
-      '@anthropic-ai/claude-agent-sdk-linux-arm64-musl': 0.3.215
-      '@anthropic-ai/claude-agent-sdk-linux-x64': 0.3.215
-      '@anthropic-ai/claude-agent-sdk-linux-x64-musl': 0.3.215
-      '@anthropic-ai/claude-agent-sdk-win32-arm64': 0.3.215
-      '@anthropic-ai/claude-agent-sdk-win32-x64': 0.3.215
+      '@anthropic-ai/claude-agent-sdk-darwin-arm64': 0.3.239
+      '@anthropic-ai/claude-agent-sdk-darwin-x64': 0.3.239
+      '@anthropic-ai/claude-agent-sdk-linux-arm64': 0.3.239
+      '@anthropic-ai/claude-agent-sdk-linux-arm64-musl': 0.3.239
+      '@anthropic-ai/claude-agent-sdk-linux-x64': 0.3.239
+      '@anthropic-ai/claude-agent-sdk-linux-x64-musl': 0.3.239
+      '@anthropic-ai/claude-agent-sdk-win32-arm64': 0.3.239
+      '@anthropic-ai/claude-agent-sdk-win32-x64': 0.3.239
 
   '@anthropic-ai/sdk@0.115.0(zod@4.4.3)':
     dependencies: