diff --git a/pnpm-lock.yaml b/pnpm-lock.yaml
index 7dd2d2b70..9b2cf5697 100644
--- a/pnpm-lock.yaml
+++ b/pnpm-lock.yaml
@@ -7,8 +7,8 @@ settings:
 catalogs:
   default:
     '@anthropic-ai/claude-agent-sdk':
-      specifier: ^0.3.311
-      version: 0.3.311
+      specifier: ^0.3.312
+      version: 0.3.312
     '@aws-sdk/client-s3':
       specifier: ^3.1140.0
       version: 3.1156.0
@@ -314,7 +314,7 @@ importers:
         version: link:../../packages/storage-pg
       '@anthropic-ai/claude-agent-sdk':
         specifier: 'catalog:'
-        version: 0.3.311(@anthropic-ai/sdk@0.116.0(zod@4.6.7))(@modelcontextprotocol/sdk@1.32.1(supports-color@10.2.2)(zod@4.6.7))(zod@4.6.7)
+        version: 0.3.312(@anthropic-ai/sdk@0.116.0(zod@4.6.7))(@modelcontextprotocol/sdk@1.32.1(supports-color@10.2.2)(zod@4.6.7))(zod@4.6.7)
       '@hono/node-server':
         specifier: 'catalog:'
         version: 2.1.5(hono@4.13.7)
@@ -388,7 +388,7 @@ importers:
     devDependencies:
       '@anthropic-ai/claude-agent-sdk':
         specifier: 'catalog:'
-        version: 0.3.311(@anthropic-ai/sdk@0.116.0(zod@4.6.7))(@modelcontextprotocol/sdk@1.32.1(supports-color@10.2.2)(zod@4.6.7))(zod@4.6.7)
+        version: 0.3.312(@anthropic-ai/sdk@0.116.0(zod@4.6.7))(@modelcontextprotocol/sdk@1.32.1(supports-color@10.2.2)(zod@4.6.7))(zod@4.6.7)
       '@types/node':
         specifier: 'catalog:'
         version: 22.20.5
@@ -504,7 +504,7 @@ importers:
     dependencies:
       '@anthropic-ai/claude-agent-sdk':
         specifier: 'catalog:'
-        version: 0.3.311(@anthropic-ai/sdk@0.116.0(zod@4.6.7))(@modelcontextprotocol/sdk@1.32.1(supports-color@10.2.2)(zod@4.6.7))(zod@4.6.7)
+        version: 0.3.312(@anthropic-ai/sdk@0.116.0(zod@4.6.7))(@modelcontextprotocol/sdk@1.32.1(supports-color@10.2.2)(zod@4.6.7))(zod@4.6.7)
       '@modelcontextprotocol/sdk':
         specifier: 'catalog:'
         version: 1.32.1(supports-color@10.2.2)(zod@4.6.7)
@@ -573,7 +573,7 @@ importers:
         version: link:../core
       '@anthropic-ai/claude-agent-sdk':
         specifier: 'catalog:'
-        version: 0.3.311(@anthropic-ai/sdk@0.116.0(zod@4.6.7))(@modelcontextprotocol/sdk@1.32.1(supports-color@10.2.2)(zod@4.6.7))(zod@4.6.7)
+        version: 0.3.312(@anthropic-ai/sdk@0.116.0(zod@4.6.7))(@modelcontextprotocol/sdk@1.32.1(supports-color@10.2.2)(zod@4.6.7))(zod@4.6.7)
       '@aws-sdk/client-s3':
         specifier: 'catalog:'
         version: 3.1156.0
@@ -773,52 +773,52 @@ packages:
     resolution: {integrity: sha512-cUD0PT0YX+rImRhfn7BfMRduP/tX/Zqt/N0dHlAyn2RlcJssCb5KsCJkhln61eh9vuJDkH8wKn3L8zJzzWXPFg==}
     engines: {node: '>=18'}
 
-  '@anthropic-ai/claude-agent-sdk-darwin-arm64@0.3.311':
-    resolution: {integrity: sha512-pzlXQGLh3pH/oIAliApR79OIkTFTAGpWJpf1HLt5MocWPBxox/aoHVWOKHqbnYnmGrr54LwdG+E4V1boaQzyvA==}
+  '@anthropic-ai/claude-agent-sdk-darwin-arm64@0.3.312':
+    resolution: {integrity: sha512-AVmdMOuoeE3Y9f4wAIPcEAAS0OFaZw1L6l11YuyqfS0B/+DYxkWxS/ZYZ1NbUy57eaIW/vdEgz9Q5M99Pl6ZJw==}
     cpu: [arm64]
     os: [darwin]
 
-  '@anthropic-ai/claude-agent-sdk-darwin-x64@0.3.311':
-    resolution: {integrity: sha512-xVoQD+ZwScwbPitYBmedm1/j3dUIyyLFB1zgk3q99YQXac6r6wAKR4HP+QTrrEwsQa0slePbE/Ljj/5u2z14nw==}
+  '@anthropic-ai/claude-agent-sdk-darwin-x64@0.3.312':
+    resolution: {integrity: sha512-Dmxyil+GPzF1WENoFOi1Cx0roSdJA6HewGAfAFvsH5vYrzb6G0REGuoQQ0n3u8i8qFgtl1m/WSl4u5t+MdiHWA==}
     cpu: [x64]
     os: [darwin]
 
-  '@anthropic-ai/claude-agent-sdk-linux-arm64-musl@0.3.311':
-    resolution: {integrity: sha512-sXUjbaZCguGRUmTC5nJWbj7pmvT+RiUXxiGx7/o4Lj+V3BqL2YdQh33blYWFw+9HlVC2+sKSMWfEsVh0GHcA6A==}
+  '@anthropic-ai/claude-agent-sdk-linux-arm64-musl@0.3.312':
+    resolution: {integrity: sha512-9GT0JzbfhODwsCO3MCg79wPH47qARCuKECcryeAJnVczplAlXSIiBw1+6UcqL5+0wSYFu6D/tvw/AiVy+PkHsg==}
     cpu: [arm64]
     os: [linux]
     libc: [musl]
 
-  '@anthropic-ai/claude-agent-sdk-linux-arm64@0.3.311':
-    resolution: {integrity: sha512-iCic3eanG/Cb6MZan0uiGzBExwVu3ZDABih5uR0iBQ/bVF0yXiG79EwwJC7DPzgu2RQghtECR+q6wx/+Z2YUHg==}
+  '@anthropic-ai/claude-agent-sdk-linux-arm64@0.3.312':
+    resolution: {integrity: sha512-jebsXksKh7g7u1x+RxjYQXM50TCN0e7GthebXa+n5IebF3pPqtmyWGVIiEEjvpajn3P6Zh8BWUVuufUpXn8ccA==}
     cpu: [arm64]
     os: [linux]
     libc: [glibc]
 
-  '@anthropic-ai/claude-agent-sdk-linux-x64-musl@0.3.311':
-    resolution: {integrity: sha512-BFSmzqnnVnNirnfy8EJ5f/S3G0JHjN+V0bBVJGDy3Mn1ptfV4/832Wh9hIkwYGVii+jA5aoanSVG3b9tK/I8ZA==}
+  '@anthropic-ai/claude-agent-sdk-linux-x64-musl@0.3.312':
+    resolution: {integrity: sha512-zM+PB6qVybdwtlqElXQ4+wCwk2v/jjT3Xau4foydzy/g5pGRTuGT3PTcfDLeG0j9zF8IxLaCQ/+Bl9MABPQD8g==}
     cpu: [x64]
     os: [linux]
     libc: [musl]
 
-  '@anthropic-ai/claude-agent-sdk-linux-x64@0.3.311':
-    resolution: {integrity: sha512-yq7zMyESMnznCLTre5NRmyfedDp24I2c94DdCq9TCMRUQEhhW1Zb2UC9QAQP28ZzncP2dSs70EM8Nvp2+VBSqg==}
+  '@anthropic-ai/claude-agent-sdk-linux-x64@0.3.312':
+    resolution: {integrity: sha512-UOsqza2uo5gqlX2OU72LhkQvIaNJKUQMJIi1poX2NtYqaWACqNo/TZPWfOBzxhyWmX8BLWaOlcuZGPLgcCJOTg==}
     cpu: [x64]
     os: [linux]
     libc: [glibc]
 
-  '@anthropic-ai/claude-agent-sdk-win32-arm64@0.3.311':
-    resolution: {integrity: sha512-DEWpHyDg86ffG3I0hHxLTfrOshzGBea4mrhNxj43jpbyO1vl9de8KYlnazhruNPi6u6mxL5ly5ihhxeWuutE1A==}
+  '@anthropic-ai/claude-agent-sdk-win32-arm64@0.3.312':
+    resolution: {integrity: sha512-Li9CyzsC2mzGmF1wtt/R59ChBLww6nc2dLn6tb+bgTDcd6kqvW44x5rIH+lRmBcpTNHR/8VO/k+GlmnkxqeaQQ==}
     cpu: [arm64]
     os: [win32]
 
-  '@anthropic-ai/claude-agent-sdk-win32-x64@0.3.311':
-    resolution: {integrity: sha512-I92TwBhMkpc9pLwu1SwLiz6wqXkcmMPAdz4LgpwKAeyB5rum2GyZgYPIDTRYEpo3cX0nEP2qmyxtKEO/tLFfoA==}
+  '@anthropic-ai/claude-agent-sdk-win32-x64@0.3.312':
+    resolution: {integrity: sha512-9GgGHHFEQnXx6EPhkPplOw1ndqmys8+Z+uOR68EIQlXGZm+wE+BmfypyHAoZhjs4151iWdQgNzjDT7wet3crdw==}
     cpu: [x64]
     os: [win32]
 
-  '@anthropic-ai/claude-agent-sdk@0.3.311':
-    resolution: {integrity: sha512-8aKYcHGB3LsYP79e2EHNdwbpIvRJkMLd19qSx4u9+J9yDDAK7w9uy1GyvFUz8xa1A+xIEtTW1k/r419uE/Kbsw==}
+  '@anthropic-ai/claude-agent-sdk@0.3.312':
+    resolution: {integrity: sha512-Ilj5Agx3ak/Z0UPZNLS7+CTnYMa+Ijf8+FKelh9MKGRwHVYyfvmJgL0fsmooI78SdkZwqjI5a4CwOAsJurdjJA==}
     engines: {node: '>=18.14.0'}
     peerDependencies:
       '@anthropic-ai/sdk': '>=0.93.0'
@@ -6840,44 +6840,44 @@ snapshots:
       ansi-styles: 6.2.3
       is-fullwidth-code-point: 5.1.0
 
-  '@anthropic-ai/claude-agent-sdk-darwin-arm64@0.3.311':
+  '@anthropic-ai/claude-agent-sdk-darwin-arm64@0.3.312':
     optional: true
 
-  '@anthropic-ai/claude-agent-sdk-darwin-x64@0.3.311':
+  '@anthropic-ai/claude-agent-sdk-darwin-x64@0.3.312':
     optional: true
 
-  '@anthropic-ai/claude-agent-sdk-linux-arm64-musl@0.3.311':
+  '@anthropic-ai/claude-agent-sdk-linux-arm64-musl@0.3.312':
     optional: true
 
-  '@anthropic-ai/claude-agent-sdk-linux-arm64@0.3.311':
+  '@anthropic-ai/claude-agent-sdk-linux-arm64@0.3.312':
     optional: true
 
-  '@anthropic-ai/claude-agent-sdk-linux-x64-musl@0.3.311':
+  '@anthropic-ai/claude-agent-sdk-linux-x64-musl@0.3.312':
     optional: true
 
-  '@anthropic-ai/claude-agent-sdk-linux-x64@0.3.311':
+  '@anthropic-ai/claude-agent-sdk-linux-x64@0.3.312':
     optional: true
 
-  '@anthropic-ai/claude-agent-sdk-win32-arm64@0.3.311':
+  '@anthropic-ai/claude-agent-sdk-win32-arm64@0.3.312':
     optional: true
 
-  '@anthropic-ai/claude-agent-sdk-win32-x64@0.3.311':
+  '@anthropic-ai/claude-agent-sdk-win32-x64@0.3.312':
     optional: true
 
-  '@anthropic-ai/claude-agent-sdk@0.3.311(@anthropic-ai/sdk@0.116.0(zod@4.6.7))(@modelcontextprotocol/sdk@1.32.1(supports-color@10.2.2)(zod@4.6.7))(zod@4.6.7)':
+  '@anthropic-ai/claude-agent-sdk@0.3.312(@anthropic-ai/sdk@0.116.0(zod@4.6.7))(@modelcontextprotocol/sdk@1.32.1(supports-color@10.2.2)(zod@4.6.7))(zod@4.6.7)':
     dependencies:
       '@anthropic-ai/sdk': 0.116.0(zod@4.6.7)
       '@modelcontextprotocol/sdk': 1.32.1(supports-color@10.2.2)(zod@4.6.7)
       zod: 4.6.7
     optionalDependencies:
-      '@anthropic-ai/claude-agent-sdk-darwin-arm64': 0.3.311
-      '@anthropic-ai/claude-agent-sdk-darwin-x64': 0.3.311
-      '@anthropic-ai/claude-agent-sdk-linux-arm64': 0.3.311
-      '@anthropic-ai/claude-agent-sdk-linux-arm64-musl': 0.3.311
-      '@anthropic-ai/claude-agent-sdk-linux-x64': 0.3.311
-      '@anthropic-ai/claude-agent-sdk-linux-x64-musl': 0.3.311
-      '@anthropic-ai/claude-agent-sdk-win32-arm64': 0.3.311
-      '@anthropic-ai/claude-agent-sdk-win32-x64': 0.3.311
+      '@anthropic-ai/claude-agent-sdk-darwin-arm64': 0.3.312
+      '@anthropic-ai/claude-agent-sdk-darwin-x64': 0.3.312
+      '@anthropic-ai/claude-agent-sdk-linux-arm64': 0.3.312
+      '@anthropic-ai/claude-agent-sdk-linux-arm64-musl': 0.3.312
+      '@anthropic-ai/claude-agent-sdk-linux-x64': 0.3.312
+      '@anthropic-ai/claude-agent-sdk-linux-x64-musl': 0.3.312
+      '@anthropic-ai/claude-agent-sdk-win32-arm64': 0.3.312
+      '@anthropic-ai/claude-agent-sdk-win32-x64': 0.3.312
 
   '@anthropic-ai/sdk@0.116.0(zod@4.6.7)':
     dependencies:
diff --git a/pnpm-workspace.yaml b/pnpm-workspace.yaml
index cd1aaf9aa..4c9b3e3b3 100644
--- a/pnpm-workspace.yaml
+++ b/pnpm-workspace.yaml
@@ -15,7 +15,7 @@ catalog:
   prettier: ^3.9.6
   # CI の実行系（Node 22）に合わせる
   '@types/node': ^22.20.1
-  '@anthropic-ai/claude-agent-sdk': ^0.3.311
+  '@anthropic-ai/claude-agent-sdk': ^0.3.312
   # codex app-server（#486 M7 S6）。**exact 版で固定**する（`^` を付けない）。生成スキーマ
   # （packages/core/codex-schema/<版>/）と手書き型 packages/core/src/codex-protocol.ts は
   # この版のものと突き合わせてあり、版が動くとプロトコルも動く。上げるときは